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Hydrogen enhanced localised plasticity of single grain α titanium verified by in-situ hydrogen microcantilever bending Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Liesbet Deconinck, Xu Lu, Dong Wang, Roy Johnsen, Kim Verbeken, Tom Depover
The effect of hydrogen on the micromechanical characteristics of pure grade 2 titanium was investigated by comparing prenotched microcantilever bending in air versus in-situ electrochemical hydrogen charging. The nanoscale interaction between hydrogen and the metal's defects was analysed in three different grain orientations, i.e. the top surface parallel to , , and . The subsequent high resolution
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Insights into Co and Fe-doping effects of mesoporous CeO2 catalysts for dry reforming of glycerol to syngas production Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Yadong Wang, Binlin Dou, Hua Zhang, Ruijia Ren, Kai Wu, Wei Li, Haisheng Chen, Yujie Xu
The dry reforming of glycerol (GDR) is one of the alternatives for syngas production by utilizing biodiesel byproduct glycerol and CO. The development of highly active and stable catalyst is significantly important to achieve GDR process, and the current work provides insights into Co and Fe-doping effects of mesoporous CeO (CoFeCe) catalysts synthesized by the colloidal solution combustion method
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Design of an integrated system for electrofuels production through Fischer-tropsch process Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Mehrdad Taherzadeh, Nassim Tahouni, M. Hassan Panjeshahi
There has been a growing recognition in recent years that Electrofuels (e-fuels), also known as renewable and sustainable fuels, which are produced from hydrogen and carbon dioxide as the primary feedstocks, have great potential to reduce carbon footprint and address climate change. In the present study, contrary to most previous studies in which the sources of feedstock's preparation were considered
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Assembly of amorphous CoP electrocatalysts on flexible polyester textile for alkaline hydrogen evolution reaction Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Wei-Hao Sun, Yong-Qi Hua, Xuan Zhang
The design of low-price and flexible hydrogen evolution reaction (HER) electrode has attracted much attention on efficient utilization of sustainable hydrogen energy. Herein, we reported a facile fabrication of flexible HER electrode by anchoring CoP electrocatalyst on polyester (PET) textiles. Conductive nickel cloth (NC-PET) substrate was firstly obtained by sequentially electroless plating and electroplating
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TiC and (Ti,Nb)3SiC2 based dual-layer coating on SUS430 for solid oxide fuel cell interconnects Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Xichao Li, Zhenkun Wang, Shouli Wei, Li Zhao, Jingjun Xu, Tian He, Lili Zheng
TiC and crystalline (Ti,Nb)SiC based dual-layer is prepared on SUS430 alloy by DC magnetron sputtering followed by annealing at 1000 °C for 20 h. The oxidation of TiC/TNSC coated alloy at 800 °C for 500 h follows the parabolic law with a low rate constant of 5.4 × 10 g cm s. The formed oxide scale is composed of CrO/MnCrO dominated inner layer and outer layer of Nb-doped TiO and SiO uniform mixture
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Potential high-performance H[formula omitted] gas sensors based on monolayer 2D metal oxide [formula omitted]-MoO[formula omitted] doped with Pt/Rh[formula omitted]predicted by DFT calculations Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Hongrui Dou, Xiaoyu You, Peisi Yin, Xin Zhao, Xingyu Liu, Shasha Liu, Yongqi Yang, Xiangmin Du, Chunhui Yang, Yingying Yang, Zhihui Niu, Yuping Sun, Shuli Wei, Ping Li, Xuliang Zhang, Qiang Jing, Bo Liu
High-performance H gas sensors based on monolayer 2D metal oxide -MoO doped with Pt/Rh has been predicted. With a binding energy of 5.262 eV/5.877 eV, the substitutional doping of Pt/Rh for Mo is a stable doping. After adsorbing O in air, the band gap of Pt/Rh--MoO decreases by 0.62 eV/0.51 eV due to the appearance of the impurity levels and the band narrowing effect. Due to such large decrease, electrons
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A study on nitrogen oxide emission prediction in Taichung thermal power plant using artificial intelligence (AI) model Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Jian-Liang Liou, Kuo-Chien Liao, Hung-Ta Wen, Hom-Yu Wu
In recent studies, artificial intelligence models have been developed for the prediction of nitrogen oxide emissions from thermal power plants. This research utilizes an artificial intelligence prediction model with more coal input features than boiler features, including volatility, ash content, sulfur content, fixed carbon, total moisture, calorific value, grinding rate, fuel ratio, coal feeding
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Using isopropanol as the hydrogen donor to achieve by-product-free biological hydrogenation in water with carbonyl reductase Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Chongyang Bu, Yuanming Tao, Jiaming Fu, Huanghong Tan, Zhaojuan Zheng, Jia Ouyang
In this study, the reaction equilibrium was broken using isopropanol as a co-substrate, which was different from previous glucose as a co-substrate for furfural reduction, solving the problems of many by-products, low selectivity, and the addition of sodium phosphate buffers. The volatility of isopropanol and acetone prevented the production of by-products to the reaction system, improving the conversion
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Aqueous phase reforming of methanol for hydrogen production over highly-dispersed PtLa/CeO2 catalyst prepared by photochemical reduction method Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Yongheng Lu, Chao Wang, Xianglong Luo, Riyang Shu, Libin Lei, Jianping Liu, Zhipeng Tian, Yuhe Liao, Ying Chen
Hydrogen production by catalytic aqueous phase reforming (APR) of biomass oxygenated derivatives in relatively mild conditions is a promising way to produce hydrogen. In this work, Pt/CeO-HT, Pt/La–CeO-HT and PtLa/CeO catalysts were synthesized by a novel photochemical reduction method and applied to the methanol APR. Extensive characterizations have proved that the mild catalyst preparation method
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Hydrogen production from wet biomass via a formic acid route under mild conditions Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Fabian Kroll, Markus Schörner, Matthias Schmidt, Florian T.U. Kohler, Jakob Albert, Patrick Schühle
Renewable Hydrogen is a key building block for a sustainable energy economy. An attractive resource for its production is waste biomass. This contribution analyses a promising new Biomass-to-H two-step approach, consisting of (1) biomass oxidation to formic acid and methyl formate in the so-called OxFA-Process and (2) hydrogen generation by dehydrogenation or decarbonylation of these intermediates
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Oriented pyrolysis of biomass for hydrogen-rich gas and biochar production: An energy, environment, and economic assessment based on life cycle assessment method Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Xueqin Li, Zhuo Chen, Peng Liu, Zhiwei Wang, Tanglei Sun, Shiyong Wu, Youqing Wu, Tingzhou Lei
This study aimed to analyze a technology of hydrogen-rich gas from full-component oriented pyrolysis (FCOP) of biomass using energy, economic, and environmental life cycle assessment. Firstly, the study taked corn straw (CS) as the research object, the yield of hydrogen-rich gas and char produced by the oriented pyrolysis method are 78.26% and 20.35%, and the yield of biochar produced by activating
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New approach to produce cubic-WC at low temperature for hydrogen evolution reaction Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Elvis O. López, Ofelia M. Arias-Pinedo, R. Soria-Martínez, Antony Bazan-Aguilar, Gonzalo García, Pablo L. Bernardo, Noemi R. Checca, Alexandre Mello, Angélica M. Baena-Moncada
A novel catalyst, a nanostructured cubic-WC (c-WC) flat film, is introduced for the hydrogen evolution reaction (HER) using a specialized magnetron sputtering system. This method results in over 94% crystalline c-WC formation at room temperature, featuring high-density stacking faults and twin defects. The catalytic performance of the c-WC film for HER is investigated through theoretical simulations
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Investigation of pre-cooling strategies for heavy-duty hydrogen refuelling Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Nejc Klopčič, René Regenfelder, Thomas Hafner, Andreas Egger, Florian Lechner, Franz Winkler, Alexander Trattner
Green hydrogen presents a promising solution for transitioning from fossil fuels to a clean energy future, particularly with the application of fuel cell electric vehicles (FCEVs). However, the hydrogen refuelling process for FCEVs requires extensive pre-cooling to achieve fast filling times. This study presents experiments and simulations of a hydrogen refuelling station equipped with an adaptable
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Status and prospects in technical standards of hydrogen-powered ships for advancing maritime zero-carbon transformation Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Zhe Wang, Mingyu Li, Fan Zhao, Yulong Ji, Fenghui Han
As the global shipping industry experiences rapid expansion, the imperative to address greenhouse gas emissions and environmental impact becomes increasingly paramount. Hydrogen has emerged as a pivotal and eco-friendly energy source, offering a pathway towards carbon neutrality and a complete zero-carbon transition in maritime operations. However, the widespread adoption of hydrogen-powered ships
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Noble-metal-free bi-functional electrocatalyst design approach to prompt synergistic properties with incorporating high-valence Zr metal for overall water splitting Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Mst Zakia Sultana, Peican Wang, Jing Liu, Dongcheng Lin, Ziang Xu, Qin Xu, Yihan Zhen, Maobin Pang, Lei Wan, Baoguo Wang
The development of noble-metal-free electrocatalysts for oxygen evaluation reaction (OER) and hydrogen evaluation reaction (HER) in water splitting is required to reduce the preparation cost and enhance catalytic activity. Here, we report a 3D core-shell structure electrocatalyst (ZrFe@FeO@NiFeLDH/IF) with synergistic properties that can benefit the HER and OER catalytic activity of overall water splitting
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Progress and prospects of MXene-based bifunctional electrocatalysts for overall water splitting in alkaline media Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Muhammad Zubair, Sadaf Siddique, Syed Asad Abbas, Mutawara Mahmood Baig, Abdul Waheed, Faisal Shahzad
The quest to find a low-cost, sustainable, and active electrocatalyst for water splitting has garnered significant research interest. Transition metal-based bifunctional electrocatalysts, embodying an array of outstanding compounds such as oxides, (oxy)/hydroxides, chalcogenides, and phosphides have emerged as potential candidates in water splitting. Nonetheless, limited conductivity, poor stability
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High mechanical performance Brominated Poly(aryl piperidinium) anion exchange membranes based on non-covalent crosslinking Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Jingyi Wu, Jialin Zhao, Na Li, Yijia Lei, Yan Wang, Song Wang, Yiman Gu, Yanchao Zhang, Junjian Yu, Jian Gao, Zhanyu Li, Zhe Wang
Anion exchange membranes (AEMs) act as the heart of anion exchange membrane fuel cells (AEMFCs). To address the challenges of the chemical stability of AEMs and the trade-off between ionic conductivity and dimensional stability. Here, we report the non-covalent crosslinking strategy. The synergistic interaction of cation-dipole interactions and hydroxyl groups provide a dense hydrogen bonding network
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Hybrid high-performance oxygen reduction reaction Fe–N–C electrocatalyst for anion exchange membrane fuel cells Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Zubair Ahmed, Srinu Akula, Jekaterina Kozlova, Helle-Mai Piirsoo, Kaupo Kukli, Arvo Kikas, Vambola Kisand, Maike Käärik, Jaan Leis, Alexey Treshchalov, Jaan Aruväli, Kaido Tammeveski
Atomically dispersed active sites and hierarchical porosity in Fe–N–C catalyst materials are essential for efficient oxygen reduction reaction (ORR) electrocatalysis and effective mass transport, respectively. However, the majority of these catalysts fail to deliver outstanding electrocatalytic activity and stumble when used as cathode materials in fuel cells. Herein, we developed a catalyst with partially
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Simulation of gas-water identification in sandstone hydrogen reservoirs based on pulsed neutron logging Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Pang Wu, Xuyang Zhao, Husong Ling, Meng Feng, Xueqiang Dong, Changjian Gan, Rui Deng
Large-scale underground hydrogen storage can replace fossil fuel power generation and balance long-term and short-term energy consumption. There is still a lack of research on the quantitative evaluation of hydrogen saturation in hydrogen storage formations. By constructing a sandstone hydrogen storage reservoir model for numerical simulation of gas-water identification, a method for qualitative and
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A study of the effect of hydrogen on methane deflagration characteristics in a square confined space Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-16 Runzhi Li, Yinghui Zhang, Quansheng Jia, Mengting Cao, Wenqiang Zhang, Xuyang Si, Caihua Shi
Macroscopic and microscopic explosion kinetic properties of H/CH/air mixtures are investigated. The explosion characteristics of CH/air mixtures with different hydrogen blending ratios(0–25%) are investigated experimentally. It is found that the increase of hydrogen blending ratios has almost no effect on the peak overpressure of the methane gas explosion, but the rate of maximum pressure rise, the
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Simulational energy analyses of different transmission (automated manuel transmission vs continuously variable transmission) selection effects on fuel cell hybrid electric vehicles’ energetic performance Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Bahattin Tanç
In recent years, the adoption of alternative fuels and hybrid vehicles has necessitated radical changes to meet the energy needs of the automotive sector. Hybrid electric vehicles are used as a perfect step between traditional fossil fueled internal combustion engines and fully electric vehicles. Deeply related to this, complicated industry and manufacturers need simulation programs to reduce both
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Biohydrogen production from food and agricultural wastes: A global review and a techno-economic evaluation for Turkey Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Mehmet Melikoglu, Asli Tekin
Utilization of agricultural and food wastes for biohydrogen generation is a hot research topic. In this paper, biohydrogen generation potentials from wheat, maize, barley, rice and potato production, consumption, associated losses, and household food waste generation in Turkey is estimated till 2030 using novel semi-empirical holistic models based on different scenarios. It was estimated that up to
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Green approach to ironmaking: Briquetting and hydrogen reduction of mill scale using novel binders Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Mohamed Elsadek, Elsayed Mousa, Hesham Ahmed
The transition to sustainable and low-carbon ironmaking processes has necessitated innovative solutions. The most prominent solutions are the establishment of a circular economy by recirculating the iron-rich residues from steelworks and the adoption of hydrogen as a clean reducing agent to mitigate fossil CO emission. One such residue is mill scale, which is generated during steelmaking, casting,
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Assessment of the estimation methods for the normal boiling point of liquid organic hydrogen carriers Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Pengfei Yu, Hu Liu, Jingwen Xue, Pengzhao Li, Yankang Zhang, Defu Che
Liquid organic hydrogen carrier (LOHC) presents a promising solution for hydrogen storage. However, its development has been impeded by the absence of normal boiling point (NBP) data for hydrogenation products, especially saturated alicyclic compounds. This gap spurs the search for a reliable and convenient estimation method to aid in the screening of new mediums and the design of chemical processes
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Three-dimensional cage based on porous Ni–Co–Cu phosphide as efficient and stable bifunctional electrocatalysts for overall water splitting Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Zeinab Rahmati, Mahmoud Roushani, Hadi Hosseini
The development of cheap and high-performance dual electrocatalysts for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in an electrolyte is of great importance. Tuning the electronic structure through heteroatom doping and increasing the catalytic sites through designing the morphology of nanostructures are the most popular approaches to enhance electrocatalytic performance.
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Co–P/Fe3O4 composite film on nickel foam prepared by one-step electrodeposition for efficient overall water splitting Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Junyao Liu, Guangqin Chen, Jian Xiao, Yan Zhang
The design and construction of heterogeneous interface is an effective strategy to enhance the performance of non-precious metal catalysts for electrolytic water splitting. Herein, a facile nanostructure of porous cobalt phosphide/ferroferric oxide (Co–P/FeO) composite film on nickel foam (Co–P/FeO@NF) is designed and prepared by a one-step electrodeposition. The abundant heterogeneous interface of
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Multi-objective optimization and long-term performance evaluation of a hybrid solar-hydrogen energy system with retired electric vehicle batteries for off-grid power and heat supply Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Ying Song, Lei Xu, Jun Li, Hessam Taherian, Yu Zhang, Ding Liu, Zhiwu Li, Gaoyang Hou
This paper presents a novel off-grid hybrid renewable energy system integrated with hydrogen production and retired electric vehicle (EV) batteries for combined power and heat supply to a small rural community. The system consists of photovoltaic (PV) panels, evacuated tube solar collectors, a proton exchange membrane fuel cell (PEMFC), an alkaline electrolyzer, compressed hydrogen storage tanks, and
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Microbial electrolysis cells designed for BioH2 production: Potential improvements with carbon dioxide and nitrogen Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 A. Faruk Kilicaslan, Ibrahim Dincer, Ali Khalvati
The long-term feasibility and efficiency of microbial electrolysis cells (MECs) depend primarily upon several crucial parameters. However, they show promise for sustainably producing biohydrogen (bioH). This study investigates a newly designed biohydrogen reactor by studying the effects of several variables on the production of bioH, including applied voltage, electrode material, and gas sparging with
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Effect of hydrogen blending on the accuracy of smart gas meters Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 G. Ficco, M. Dell’Isola, G. Cortellessa, G. Grossi, P. Kulaga, J. Jaworski
The exploitation of green hydrogen blending with natural gas (NG) is expected to contribute in lowering greenhouse gas emissions and fostering the share of renewable energy sources (RES). The NG infrastructure, in fact, can act as a storage facility for green hydrogen produced from excess RES, also providing flexibility to the electric system. However, the unbalance of the networks and the raise of
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High-strength anion-exchange fuel cell membranes based on imidazole-functionalized poly-ether-ether-ketone materials Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Yunfei Lin, Bo He, Qi Zhou, Shaokun Tang
Poly-ether-ether-ketone (PEEK), an organic polymer material with good thermal stability and tensile strength, has been regarded as an ideal material for anion-exchange membrane (AEM). Metal-organic framework materials (MOFs) possess excellent chemical stability and mechanical properties. In this work, MOF-801 was impregnated with ionic liquid and the obtained IL@MOF-801 was introduced into imidazole-functionalized
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Wide-concentration-range hydrogen sensing using palladium-loaded SnO2 nanoparticle films and understanding of hydrogen concentration-dependent sensing mechanism Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Yini Liu, Yingshuang Lei, Xibing Mao, Haoyu Qian, Hui-Min Wen, Shengjie Xia, Yun Xiang, Qiaoli Chen, Bo Xie, Jun Hu
SnO-based nanostructures have been extensively studied as excellent hydrogen sensing materials. While Pd loading was employed to enhance sensing performance, many reported that Pd-loaded SnO (denoted as Pd/SnO) experienced signal saturation at high H concentration, limiting the detection range and leaving the sensing mechanism unclear. Herein, we report a Pd/SnO nanoparticle (NP) film-based H sensor
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Study of double perovskite materials RbX2Y3O10 (X[dbnd]Mg, Ca, Y[dbnd]Ti, Zr) for photocatalytic applications: A DFT insights Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Shoukat Hussain, Jalil Ur Rehman, Abid Hussain, M. Bilal Tahir, Faisal Iqbal
The double perovskites have excellent photocatalytic capabilities and could be used for water splitting purposes. Herein, we used density functional theory (DFT) computations to inspect the compound's characteristics. Generalized gradient approximation (GGA)-Perdew-Burke-Ernzerhof (PBE) exchange-correlation functional with compounds space group 123 (p4/mmm) are used for investigations. According to
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Tuning free volume for enhanced gas separation by introducing fluorinated aryl ether diamine moiety in Tröger's-based membranes Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Beibei Zhang, Jin Li, Lihua Zhang, Dongyun Wu
Tröger's-based polymeric membranes have received tremendous attention for their inherent high free volume and excellent gas permeability. However, its selectivity was still unable to meet their industrial demand. In effort to achieve an optimization comprehensive performance, a set of homogeneous polymer chains was synthesized to fine-tune the free volume. These membranes were designed by copolymerization
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Lemon grass derived porous carbon impregnated with NiWO4 as anode electrocatalyst to improve energy output in single chambered microbial fuel cell Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Geetanjali, Patit P. Kundu
Keeping an eye on the improvement of electron transportation, highly macroporous, stable, and the highly conductive carbon material is prepared from lemongrass, a known high cellulose content biomass. In order to further enhance its redox reaction and electron capture ability, the prepared biomass is further impregnated with a binary metal oxide, nickel tungsten oxide (NiWO). The physiochemical and
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Hydrogen sorption capacity of diatomaceous earth for geological hydrogen storage Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Lu Wang, Zhijun Jin, Runchao Liu, Xiaowei Huang, Yutong Su, Changrong Li, Qian Zhang
The increasing importance of hydrogen energy has driven the demand for large-scale hydrogen storage facilities. Cavern storage in underground hydrogen reservoirs has received the most widespread attention, but many places in China lack suitable salt formations for this storage option. Here, we evaluate the hydrogen storage capacity of Jilin diatomaceous earth as a potential alternative material for
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In situ electrodeposition synthesis of CoP@NiFe LDH heterostructure as high-performance electrocatalyst for enhanced seawater electrolysis Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Zhi Zhang, Ke Ye, Hui Du, Xiaojin Li
Layered double hydroxides (LDHs) are highly regarded catalysts for oxygen evolution reaction (OER), but the application is limited by low conductivity and stability characteristics. In this work, the CoP@NiFe LDH heterostructure is obtained by a simple electrodeposition-phosphorization-electrodeposition method, and the establishment of heterostructure regulates the electronic configuration, which promotes
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Strategies for life cycle impact reduction of green hydrogen production – Influence of electrolyser value chain design Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-15 Muhammad Haider Ali Khan, Tarun Sitaraman, Nawshad Haque, Greg Leslie, Serkan Saydam, Rahman Daiyan, Rose Amal, Sami Kara
Green Hydrogen (H via renewable-driven electrolysis) is emerging as a vector to meet net-zero emission targets, provided it is produced with a low life cycle impact. While certification schemes for green H have been introduced, they mainly focus on the embodied emissions from energy supply during electrolyser operation. This narrow focus on just operation is an oversight, considering that a complete
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Bifunctional low-Pt content nanocatalysts supported on carbons functionalized with a Cu-organometallic compound: Tailoring of d-band center with high catalytic activity for electrochemical oxygen reactions Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 M.O. Fuentez-Torres, F.J. Rodríguez-Varela, M.E. Sánchez-Castro, B. Escobar-Morales, W.J. Pech-Rodríguez, I.L. Alonso-Lemus
In this study, Vulcan XC-72 (C) and sewage sludge-derived biocarbon (SSB) are functionalized with mesitylcopper (Cu-mes) and implemented to produce the low-Pt content and thus low-cost (5 wt %) Pt/C, Pt/C, Pt/SSB, and Pt/SSB nanocatalysts. This approach facilitates the generation of various functional groups along with the CuO and CuO phases. The nanocatalysts show the formation of the PtCu alloy,
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First-principles calculations on structural, mechanical and thermodynamic properties of orthorhombic Mg2BeTMH8 (TM=Ni, Cu and zn) for hydrogen storage applications Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Hafiz Hamid Raza, G. Murtaza, Maleeha Shafiq, Saba Abdul Shakoor
Effective hydrogen storage is a crucial requirement for harnessing hydrogen as an energy source. Among various storage methods, solid-state hydrogen storage holds promise but necessitates extensive investigation. This study employs density functional theory within the WIEN2k code to improve the desorption temperature and kinetic properties of MgH by introducing Be in combination with transition elements
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Numerical investigation on knock intensity, combustion, and emissions of a heavy-duty natural gas engine with different hydrogen mixing strategies Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Weiqi Zhang, Yongjian Wang, Wuqiang Long, Hua Tian, Pengbo Dong
With the continuous development of hydrogen energy technology, mixing hydrogen has become a potential method to enhance the performance of natural gas engines and reduce emissions. Aiming to offer guidance for optimizing strategies for mixing hydrogen from the perspectives of knock control and thermal efficiency enhancement, a three-dimensional model of a commercial heavy-duty natural gas engine is
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The effects of air plasma and argon cluster ion cleaning on quartz and calcite surfaces – Implications for rock-water-gas wettability Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Kion Norrman, Ahmed Al-Yaseri
Wettability is a crucial factor controlling fluid transport and distribution in reservoir rocks. A significant discrepancy of reported contact angles for air plasma cleaned calcite-water-gas systems are evident from the literature. This work focuses on finding possible explanations for these discrepancies by studying the effect of two surface cleaning methods on the surface chemistry, which was utilized
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Numerical investigation of effect of mechanical compression on the transport properties of fuel cell microporous layer using a pore-scale model Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Heng Zhang, Hao Hu, Mrittunjoy Sarker, Xuanyu Shao, Zhigang Zhan, Pang-Chieh Sui, Po-Ya Abel Chuang
The microporous layer (MPL) plays an important role in water and thermal management of proton exchange membrane fuel cells (PEMFCs). An in-depth investigation of the mechanical compression effect on transport properties in the MPL can help optimize cell performance. In this work, the microstructure of the MPL is numerically reconstructed and the finite element method is applied to simulate mechanical
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Numerical simulation of leakage jet flame hazard of high-pressure hydrogen storage bottle in open space Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Xiaolong Li, Yongmei Hao, Fan Wu, Zhixiang Xing, Sunqi Zhuang, Xingzhi Wang
The jet fire is a common type of fire accident in high-pressure hydrogen storage bottles. It is crucial to conduct research on the thermal radiation hazards resulting from on-board hydrogen storage bottle leaks, leading to jet fires within 35 MPa. Additionally, accurately and swiftly calculating the characteristic parameters of hydrogen jet flames, such as flame geometry and radiation heat flow, is
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Cu, B co-modification boosted the photogenerated carrier separation efficiency in C3N4 for enhanced hydrogen evolution Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Yiqiao Wang, Jianhong Ye, Xiaowan Gong, Aiqin Zhang, Yu Xie, Yun Ling, Pinghua Chen
In this work, g-CN (UW–CNS) were prepared by calcination and Cu, B co-modified UW–CNS (Cu, B–CNS) was successfully fabricated by cryo-ultrasonic loading. B doping formed the unfavourable sub-centers and the Cu loading forms the electron-rich centre, which enhances the built-in electric field on the surface of UW–CNS. Hence, the 0.03Cu, 0.05B–CNS record a superior photocatalytic performance the hydrogen
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Synthesis of M-NiS/Mo2S3 (M=Co, Fe, Ce and Bi) nanoarrays as efficient electrocatalytic hydrogen evolution reaction catalyst in fresh and seawater Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Han Zhao, Min Liu, Xiaoqiang Du, Xiaoshuang Zhang
Electrolysis of water for production of hydrogen has become one of the most fascinating methods to relieve the energy crisis and environmental pollution. In this paper, a series of M-NiS/MoS (M = Co, Fe, Ce and Bi) materials was in situ grown on Ni foam through a two-step hydrothermal process, and the synthesized Co–NiS/MoS material present excellent hydrogen evolution reaction (HER) properties. Under
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Interfacial charge transfer complexes between ZnO and benzene derivatives: Characterization and photocatalytic hydrogen production Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Miljana Dukić, Dušan Sredojević, Marta Férová, Vaclav Slovak, Davor Lončarević, Jasmina Dostanić, Hristina Šalipur, Vesna Lazić, Jovan M. Nedeljković
The interfacial charge transfer (ICT) complex formation is a simple procedure to bring optical absorption of wide-bandgap oxide materials in the visible spectral range, crucial for enhancing their use in photo-driven reactions. The optical absorption of the prepared ICT complexes between ZnO and five different colorless benzene derivatives is red-shifted compared to pristine ZnO nanopowder. The density
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Transition metals doped Zr2CF2 as promising sensor and adsorbent for NH3 Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Zenghui Zhao, Qingxiao Zhou, Yajing Wang, Xiaoyang Liu, Weiwei Ju, Jie Hou
The effective adsorption and treatment of toxic gases have attracted great attention amongst researchers, particularly the use of new two-dimensional materials for achieving the adsorption of toxic gases. We applied the density functional theory to investigate the stability, geometric structural, electrical, and magnetic properties of NH molecules adsorbed on pristine, F-vacancy defected, and transition-metals
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Gd0.1Ce0.9O1.95 impregnated with Ba(Ce0.9Y0.1)0.8Ni0.2O3–δ@CuO as SOFC anode with increased carbon-deposition resistant for direct hydrocarbon fuels Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Yanya Liu, Jun Luo, Linlong Zhang, Dong Yan, Lichao Jia, Jian Li
Solid oxide fuel cells are thought to be capable of a wide range of fuels, but the direct utilization of hydrocarbon fuels increases the risk of carbon deposition at the anode. In this research, a novel full cell structure supported by porous GdCeO (GDC) skeleton is proposed and anode material Ba(CeY)NiO (BCYN) is proposed to be impregnated on the skeleton to form a multi-functional anode. In the operating
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Tetrametallic mastery: Cluster-doped graphdiyne as a superior electrocatalyst for hydrogen evolution Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Zhiwei Wang, Xiaojing Liu, Guoning Feng, Yujie Sun, Xin Chen, Rongjian Sa, Qiaohong Li, Zuju Ma
Hydrogen evolution reaction (HER) is a promising route for sustainable hydrogen production. However, its efficiency is limited by kinetic barriers. Herein, we employ density functional theory (DFT) calculations to demonstrate a new strategy of embedding tetrametallic transition metal clusters (3TM-TM) into the pores of graphdiyne (GDY) to effectively optimize its HER performance. By screening 900 configurations
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Combustion and emission characteristics of ammonia-hydrogen fueled SI engine with high compression ratio Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Tiankui Zhu, Xin Yan, Zhan Gao, Yuxiao Qiu, Lei Zhu, Zhen Huang
Ammonia combustion offers the advantage of zero carbon emissions. However, its high ignition energy requirement and slow flame propagation limit its use as an engine fuel. Employing a technological approach that combines a high compression ratio with spark ignition can be beneficial for enhancing ammonia combustion, and this approach warrants further in-depth research. This study investigates the combustion
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Levelised cost of transmission comparison for green hydrogen and ammonia in new-build offshore energy infrastructure: Pipelines, tankers, and HVDC Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Quang Vu Dinh, Pedro H.Todesco Pereira, Van Nguyen Dinh, Angela J. Nagle, Paul G. Leahy
As the global market develops for green hydrogen and ammonia derived from renewable electricity, the bulk transmission of hydrogen and ammonia from production areas to demand-intensive consumption areas will increase. Repurposing existing infrastructure may be economically and technically feasible, but increases in supply and demand will necessitate new developments. Bulk transmission of hydrogen and
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Effects of porous transport layer wettability on performance of proton exchange membrane water electrolyzer: Mass transport overvoltage and visualization of oxygen bubble dynamics with high-speed camera Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Kaito Shigemasa, Kodai Wani, Takeshi Nakayama, Konosuke Watanabe, Kohei Wakuda, Ryuhei Shiono, Kota Asaoka, Takuto Araki, Kensaku Nagasawa, Shigenori Mitsushima
For producing hydrogen from renewable energy, a proton exchange membrane water electrolyzer (PEMWE) is an appealing method offering higher current density and purity of generated hydrogen than other electrolyzers. However, this technique should be further developed to have higher efficiency for utilization. The main issue on reducing the PEMWE performance is the management of generated oxygen bubbles
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Computational screening of transition metal anchored C9N10 as the highly active and selective electrocatalysts for NH3 synthesis Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Yibo Chen, Pengyue Zhang, Xiaoyin Liu, Xinyu Zhang
Electrochemical nitrogen reduction reaction (NRR) is a very prospective approach for generating green and sustainable NH under mild conditions. However, the development of NRR electrocatalysts with high performance remains a huge hurdle in the field of energy conversion today. Herein, by means of first-principles calculations, we employed a hierarchical screening strategy of structural stability, catalytic
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Oxidation state of nickel in alloy to modulate the microenvironment of platinum surface for hydrogen evolution reaction Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Qian-Xi Lv, Fu-Li Wang, Xue-Jun Zhai, Jing-Yi Lv, Xin Li, Han Hu, Shu-Tao Wang, Yong-Ming Chai, Bin Dong
Platinum-based catalysts are the best HER catalysts, but their high price affects their mass application, so how to reduce the amount of platinum in catalysts has become a hot research topic. Herein, we synthesized low platinum dosage and highly dispersed nano-alloy catalyst PtNi/CB using a one-step solvothermal approach. Characterization shows that in the PtNi/CB catalyst, nickel element mainly exists
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Experimental and simulation study of diesel/methane/hydrogen triple-fuel combustion progression in a heavy-duty optical engine Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-14 Congbo Yin, Chengbin Wang, Xiaoyu Shen, Zhendong Zhang
Experiments were carried out in an optical engine, and the effects of hydrogen ratio on the combustion process of diesel/methane/hydrogen triple fuel combustion with 5% diesel fuel ratio were studied. The natural photometric images of the combustion process were recorded by a high-speed camera. Combined with the optical experimental results, the combustion process of methane and hydrogen mixture ignited
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Accelerating flammable gas cloud dissipation in hydrogen leakage during refilling hydrogen-powered vehicles via employing canopy fans Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-13 Lin Xie, Fang Yuan, Rui Long, Zhichun Liu, Wei Liu
Mitigating the hydrogen leakage risk during the refilling process contributes to promoting the hydrogen energy commercialization. In this study, the high-pressure hydrogen leakage and dilution characteristics were analyzed with fans installed on the hydrogen refueling station canopy. Two fan conditions are involved: blowing upwards condition, and blowing downwards condition. The role of leakage pressure
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Enhanced non-metal catalyzed CO2 reduction on doped biphenylene Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-13 Meng-Rong Li, Xin-Wei Chen, Zheng-Zhe Lin
– Using non-metals to replace the rare or precious transition metals as active component in catalyst in electrocatalysts is highly desirable in renewable energy applications. The diverse structures of carbon allotropes make it possible to support emerging non-metallic catalysts. Biphenylene is a recently discovered two-dimensional layered carbon allotrope, which outperforms graphene in terms of catalytic
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Robust amorphous iron (II) diphosphate on nickel foam: Aggrandizing electronic structure for efficient catalytic activity towards oxygen evolution and urea oxidation Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-13 Rishabh Srivastava, Himanshu Chaudhary, Anuj Kumar, Felipe M. de Souza, Sanjay R. Mishra, Felio Perez, Phuong V. Pham, Ram K. Gupta
The few intuitive challenges are the high clean energy demand, the dire need for sustainable development, and low carbon footprints. Thereby, the wastewater rich in urea from sanitary units, and industries are subjected to produce green energy as a source for hydrogen through waste water-splitting. Thus, anodic reaction in electrochemical hydrogen production is the most widely promoted towards oxygen
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Computational evaluation of Li-decorated [formula omitted]C3N2 as a room temperature reversible hydrogen storage medium Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-13 Xihao Chen, Jiwen Li, Longxin Zhang, Ning Wang, Jiang Cheng, Zhenyu Ma, Peng Gao, Guangzhao Wang, Xinyong Cai, Donglin Guo, Jing Xiang, Liang Zhang
We theoretically devised a novel complex by decorating Li atoms on the -CN for hydrogen storage, employing first-principles calculations. The findings reveal that: Li can be securely adsorbed onto the -CN; the Li@-CN exhibits commendable thermal stability and boasts an excellent electronic structure due to the sp hybridization, making it highly conducive to hydrogen adsorption; the Li@-CN can adsorb
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Review of the continuous catalytic ortho-para hydrogen conversion technology for hydrogen liquefaction Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2024-03-13 Pan Xu, Jian Wen, Ke Li, Simin Wang, Yanzhong Li
In order to meet rapidly growing demand of liquid hydrogen in the future hydrogen industry and energy structure, the continuous catalytic ortho-para hydrogen conversion technology (CCOPHCT) has been once again proposed and has become an important choice to improve the hydrogen liquefaction units (HLUs). The origin, concept, and research progress of the CCOPHCT are systematically reviewed for the first