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Numerical simulation of the distribution of reverse currents in a practical alkaline water electrolysis stack immediately after electrolysis Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-17 Naruhisa Tsukase, Takuto Araki, Ashraf Abdel Haleem, Kensaku Nagasawa, Yoshiyuki Kuroda, Shigenori Mitsushima
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Numerical and experimental analyses of a novel type PEMFC coolant channel Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Xin Xu, Lian Zhang, Shan Wang, Donglin Han, Shijun You, Jiangdong Zhou
Temperature is one of the main factors affecting the performance of proton-exchange membrane fuel cell (PEMFC). To make the temperature of the cell more uniform and prevent the occurrence of local hot spots, two novel types of coolant channels (novel A and novel B) are designed and compared with the traditional serpentine channel. Through computational fluid dynamics simulations, the flow field and
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Methanation of CO2 on Cu in a tubular co-ionic SOEC Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-15 Esperanza Ruiz, Juan Aldecoa, Ángel Morales, Meryem Farchado, José María Sánchez
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Enhancing photoelectrochemical performance through surface engineering of CdSe and Al-doped CdSe nanoparticles on ZnO/FTO photoanodes Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Satish A. Mahadik, Rajendra G. Sonkawade, Fernando Pedraza, Lahu B. Phadatare, Akshy K. Bhagate, Maqsood R. Waikar
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Optimal decarbonization strategies for an industrial port area by using hydrogen as energy carrier Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Davide Pivetta, Gabriele Volpato, Gianluca Carraro, Chiara Dall’Armi, Luca Da Lio, Andrea Lazzaretto, Rodolfo Taccani
This article discusses possible strategies for decarbonizing the energy systems of an existing port. The approach consists in creating a complete superstructure that includes the use of renewable and fossil energy sources, the import or local production of hydrogen, vehicles and other equipment powered by Diesel, electricity or hydrogen and the associated refuelling and storage units. Two substructures
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Green hydrogen production by water splitting using scrap metals at high temperature Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 R.B. Harikrishna, Hemagni Deka, T. Sundararajan, G. Ranga Rao
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The effect of V8C7 size on hydrogen diffusion behavior and hydrogen induced cracking in pipeline steel Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Wensen Cheng, Bo Song, Kai Lu, Jinghong Mao
This study revealed the relationship between V8C7 size and hydrogen diffusion behavior as well as hydrogen induced cracking (HIC) in pipeline steel. Hydrogen permeation and HIC susceptibility tests were implemented on five conditions with different V8C7 sizes but identical volume fractions. The results proved that with increasing of V8C7 size, the hydrogen effective diffusivity was first decreased
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Comparison analysis on biohydrogen production of mesophilic and thermophilic dark fermentation using nickel doped lanthanum-iron oxide nanoparticles as supplementation Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Jinqing Ji, Ziyuan Cai, Laihong Shen
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Isolation and characterisation of an environmental Clostridium beijerinckii strain for biohydrogen production from dairy wastes Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 M. Mete, P. Pattyn, A. Robidart, G. Beringuier, H. Thomas, C. Grandjean, R. Irague, Y. Andres
Biological dihydrogen (H2) production is a promising alternative to the conventional non-renewable energies. H2 production by dark fermentation is particularly studied regarding its independence from fossil fuel and electricity, its cultivation into bioreactors and the broad range of substrate that can be used. A major goal application of dark fermentation is the valuation of wastes. In this context
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Self-supported Se-doped Na2Ti3O7 arrays for high performance sodium ion batteries Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Lin Gao, Yanan Ma, Minglei Cao
Na2Ti3O7, a titanium-based compound for sodium ion batteries (SIBs), stands out among anode materials because of its ultralow voltage plateau which leads to advanced energy density. However, the poor electronic conductivity and mediocre sodium ion storage capability are the main bottlenecks for its large-scale development. In this regard, self-supported Se doped Na2Ti3O7 arrays are innovatively proposed
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Pathways to the hydrogen economy: A multidimensional analysis of the technological innovation systems of Germany and South Korea Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Parsa Asna Ashari, Hyochan Oh, Claudia Koch
The global trend towards decarbonization and the demand for energy security have put hydrogen energy into the spotlight of industry, politics, and societies. Numerous governments worldwide are adopting policies and strategies to facilitate the transition towards hydrogen-based economies. To assess the determinants of such transition, this study presents a comparative analysis of the technological innovation
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Unveiling the promotion effect of ethylenediamine on preparation of Ni/CeO2 catalyst for low-temperature CO2 methanation Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Ru Zhao, Yu Xie, Zonglin Li, Huiling Weng, Danrui Zhu, Yufeng Mao, Huimin Wang, Qiulin Zhang
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Constructing tungsten doping RuP2@Carbon dots for enhanced hydrogen evolution reaction in acidic and alkaline media Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 Yingnan Jiang, Lingling Du, Wenxuan Sun, Qi Zhang, Yuwen Su, Meiling Sun, Guangchao Yin
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Exergy based assessment for decarbonization of CO2 foam flooding enhanced oil recovery process and energy transition with hydrogen Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 N.S.V. Dinesh, P. Sivasankar
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Catalysis by substituted platinum (ionic Pt) catalysts Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 Himanshu Sharma, Anuj Bisht, Narayanan Sethulakshmi, Sudhanshu Sharma
Catalysis is an integral part of numerous chemical industries. Noble metals like platinum (Pt) are known for having high catalytic activity and stability for various catalytic reactions such as methane reforming, water gas shift reaction, electrocatalytic reactions etc. However, due to the limited resources and high cost of platinum, the catalysts with low Pt content are desirable. To overcome this
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A review of typical transition metal phosphides electrocatalysts for hydrogen evolution reaction Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 Hang Yin, Fei Rong, Yibing Xie
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The potential of green hydrogen fuel as an alternative in Cameroon's road transport sector Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 Flavian Emmanuel Sapnken, Fausto Posso, Marius Tony Kibong, Jean Gaston Tamba
The objective of this paper is to evaluate and assess the potential of green hydrogen (H2) as a substitute fuel for Cameroon's road transportation system. To achieve this objective, we start by providing a status quo of Cameroon's road transport. Then, we conduct an empirical analysis on the potential of H2 as a fuel for vehicles. Based on photovoltaic electrolysis, we estimate the amount of H2 needed
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Theoretical expectation and experimental investigation on the feasibility of N-doped Ni2P as highly active hydrogen evolution catalyst Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 Kai Liu, Zizai Ma, Jinping Li, Xiaoguang Wang
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Optimizing underground hydrogen storage in aquifers: The impact of cushion gas type Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-13 Motaz Saeed, Prashant Jadhawar
This study investigated the impact of cushion gas type and presence on the performance of underground hydrogen storage (UHS) in an offshore North Sea aquifer. Using numerical simulation, the relationship between cushion gas type and UHS performance was comprehensively evaluated, providing valuable insights for designing an efficient UHS project delivery. Results indicated that cushion gas type can
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Polyethyleneimine-induced in-situ chemical epitaxial growth ultrathin 2D/2D graphene carbon nitride intralayer heterojunction with elevating photocatalytic activity: Performances and mechanism insight Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-17 Tianyu Zhou, Jingyang Hou, Meng Tai, Jingmin Shi, Xiaojuan Mi, Bo Hu, Chunbo Liu, Li Yan, Linlin Liu
Integrating 2D carbon nitride (CN) photocatalyst with 2D graphene into a lateral heterojunction can decrease energy loss within interlayer space, which is an intriguing strategy for tailoring photocatalyst for energy and environmental applications. Herein, a polyethyleneimine (PEI) induced in-situ chemical epitaxial growth strategy was adopted to tailor graphene-oxide CN (GO-CN) intralayer heterostructure
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Effectiveness of hydrogen enrichment strategy for Wankel engines in unmanned aerial vehicle applications at various altitudes Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Merve Kucuk, Ramazan Sener, Ali Surmen
This study investigates the effectiveness of the hydrogen-enrichment strategy on a Wankel engine for unmanned aerial vehicles (UAVs). The primary motivation behind this study is to contribute to the Wankel-type rotary engine designs by revealing the influences of the hydrogen enrichment method on the Wankel engine performance at various altitudes. To achieve these objectives, CFD simulations were conducted
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Large scale of green hydrogen storage: Opportunities and challenges Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Nan Ma, Weihua Zhao, Wenzhong Wang, Xiangrong Li, Haiqin Zhou
The transition from fossil fuels to renewable energy sources is seen as an essential step toward a more sustainable future. Hydrogen is being recognized as a promising renewable energy carrier to address the intermittency issues associated with renewable energy sources. For hydrogen to become the “ideal” low or zero-carbon energy carrier, its storage and transportation shortcomings must be addressed
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Can hydrogen storage in metal hydrides be economically competitive with compressed and liquid hydrogen storage? A techno-economical perspective for the maritime sector Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Janis Danebergs, Stefano Deledda
The aim of this work is to evaluate if metal hydride hydrogen storage tanks are a competitive alternative for onboard hydrogen storage in the maritime sector, when compared to compressed gas and liquid hydrogen storage. This is done by modelling different hydrogen supply and onboard storage scenarios and evaluating their levelized cost of hydrogen variables. The levelized cost of hydrogen for each
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Green hydrogen production using doped Fe2O3 foams Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 M. Damizia, P.J. Lloreda-Jurado, P. De Filippis, B. de Caprariis, E. Chicardi, R. Sepúlveda
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Nanostructured sustainable carbon derived from biomass as catalyst support for alumina in catalytic methanol conversion to DME as hydrogen carrier Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Kamal M.S. Khalil, Walaa A. Elhamdy, Abd El-Aziz A. Said
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Safety and efficiency problems of hydrogen production from alkaline water electrolyzers driven by renewable energy sources Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Cheng Haoran, Yanghong Xia, Wei Wei, Zhou Yongzhi, Zhao Bo, Zhang Leiqi
Alkaline water electrolysis has become the most promising solution for hydrogen production considering certain factors such as cost, lifetime and maturity of technology. By developing the large-scale hydrogen production by alkaline water electrolysis as the energy buffering, the consuming pressure of the power system caused by the growing penetration of renewable energy sources such as wind and solar
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Overview of alkaline water electrolysis modeling Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Camilia Daoudi, Tijani Bounahmidi
Green hydrogen production via alkaline water electrolysis has the capability to greatly reduce emissions of greenhouse gases and support the transition to a cleaner, more sustainable energy system. The use of modeling in the development and optimization of alkaline water electrolysis (AWE) systems can help in enhancing the performance of the electrolysis process, ultimately enabling the green hydrogen
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Underground hydrogen storage: Integrated surface facilities and fluid flow modelling for depleted gas reservoirs Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Alireza Salmachi, Ahmad Seyfaee, Rohan Jeffry Robert, Tara Hosseini, Graham Nathan, Peter Ashman, Ashley Roberts, Mehdi Jafarian, Catherine Simon
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Electronic properties and hydrogen storage capacity of the α-Ge nanostructures Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 L. Fiorini Filho, M.L. Xavier, Wendel S. Paz, Fernando N. N. Pansini
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Simulation of the optimal plant size to produce renewable hydrogen based on the available electricity Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 C. Ríos, P. Molina, C. Martínez de León, J.J. Brey
Renewable hydrogen is emerging as a valid energy alternative to the fossil fuels currently in use. Governments are developing hydrogen-based energy strategies as a tool to decarbonise the transport, industrial, energy, and residential sectors. It is estimated that by 2050, hydrogen could cover 34% of the energy demand in these sectors in Europe according to the European Commission. However, for this
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Research progress and prospect of the materials of bipolar plates for proton exchange membrane fuel cells (PEMFCs) Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Xin Gao, Jiayi Chen, Runjing Xu, Zheng Zhen, Xiantai Zeng, Xiaodong Chen, Lifeng Cui
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Cobalt-doped WSe2@conducting polymer nanostructures as bifunctional electrocatalysts for overall water splitting Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Sadik Cogal, Gamze Celik Cogal, Matej Mičušík, Mário Kotlár, Maria Omastová
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Integrated hydrogen fuel cell power system as an alternative to diesel-electric power system for conventional submarines Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-16 Sayem Zafar, Amnah Khan
A hydrogen fuel cell based hybrid energy system is designed and analyzed to be used in conventional submarines for propulsion and power management. This system is proposed as an alternative to the diesel-electric system. This system eliminates the need for the submarine to surface and hence can continuously operate while submerged underwater. This hybrid system produces electricity, heat, and purified
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Hydrogen storage in Sc-decorated Ψ-graphene via density functional theory simulations Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-15 Antara Vaidyanathan, Manikandan Kandasamy, Lavanya M. Ramaniah, Vaibhav Wagh, Brahmananda Chakraborty
Efficient methods and materials to store hydrogen onboard in light-duty fuel cell vehicles is crucial to move away from fossil fuels in the transport sector. Metal-decorated carbon materials are considered as promising materials for hydrogen storage. In this regard, using density functional theory (DFT) simulations incorporating the generalized gradient approximation functional along with the DFT-D2
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Technoeconomic analysis of photoelectrochemical hydrogen production from desalination waste brine using concentrated solar flux Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Marisol Contreras, Mark Mba-Wright, Christina Wulf, Charles O. Stanier, Syed Mubeen
Co-generation of hydrogen with value-added by-products is a promising route for affordable low-carbon hydrogen. This work presents a system for and a technoeconomic analysis of hydrogen with the co-generation of chlorine and sodium hydroxide from waste brine. The system uses a conceptual triple-junction gallium arsenide (3-J GaAs)-based photoelectrochemical (PEC) reactor at high solar concentrations
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Impact of produced oxyhydrogen gas (HHO) from dry cell electrolyzer on spark ignition engine characteristics Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 M.S. Gad, A.S. El-Shafay, Ümit Ağbulut, Hitesh Panchal
In the current study, an onboard dry cell electrolyzer was built to produce an oxyhydrogen (HHO) flow rate of 0.5 L/min by water electrolysis. The objective is to show the impact of oxyhydrogen introduction on engine exhaust gases, combustion characteristics, and engine performance related to gasoline. The experiments were carried out in a petrol engine at a fixed engine speed of 3000 rpm and variable
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Hydrogen diffusion in cerium oxide thin films fabricated by pulsed laser deposition Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Wei Mao, Wei Gong, Zhijie Gu, Markus Wilde, Jikun Chen, Katsuyuki Fukutani, Hiroyuki Matsuzaki, Bunshi Fugetsu, Ichiro Sakata, Takayuki Terai
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Mesoporous TiO2 spheres with rich oxygen vacancies for enhanced photocatalytic hydrogen production Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Cheng Qian, Haimei Liu, Haiyan Li, Tao Wang, Sheng Wang
Developing efficient photocatalysts for H2 production holds great promise to enhance solar energy conversion. In this study, we present a facile strategy to enhance H2 production by simultaneously engineering Pt cocatalyst and oxygen vacancies (Vo) on mesoporous N doping TiO2, thereby developing efficient photocatalysts for solar energy conversion. Firstly, we employed a structure-directing agent-assisted
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Influence of hydrogen flow rate on multistep kinetics of hematite reduction Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Haopeng Kang, Qiang Xu, Zeshui Cao, Xuyang Lu, Jian Shi, Bin Chen, Liejin Guo
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Performance of clostridium species and autochthonous bacteria from citrus wastewater under different carbon sources to produce biofuels Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Daiana Camila da Silva, Caroline Varella Rodrigues, Danieli Fernanda Canaver Marin, Carolina Zampol Lazaro, Ana Paula Jacobus, Lorena Oliveira Pires, Sandra Imaculada Maintinguer
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Optimized fuzzy proportional integral controller for improving output power stability of active hydrogen recovery 10-kW PEM fuel cell system Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Jenn-Kun Kuo, Ukrit Thamma, Athasit Wongcharoen, Yuan-Kai Chang
In conventional PEM fuel cell systems with active hydrogen recovery, a significant drop in the output power occurs during hydrogen purging. In the present study, this problem is addressed through oxygen and hydrogen flow control strategies based on a proportional integral (PI) controller, fuzzy PI controller, and optimized fuzzy PI controller, respectively. When the optimized fuzzy PI controller is
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Autothermal reforming of methanol for on-board hydrogen production in marine vehicles Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Tomy Hos, Gal Sror, Moti Herskowitz
The current systems for air independent propulsion systems are based on hydrogen stored in a limited number of cylinders for the continuous operation of the fuel cells in marine vehicles. Hydrogen generation by on-board steam reforming of methanol could extend the air-independent period. This study presents an autothermal reactor for the coupled endothermic (methanol steam reforming) and exothermic
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Influence of pore size on mass transport: Bifunctional MnOx-coated nickel foam vs carbon corrosion prone commercial GDE in alkaline electrolyte Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-15 Artur Bekisch, Karl Skadell, Johannes Ast, Matthias Schulz, Roland Weidl, Silke Christiansen, Michael Stelter
A promising step towards a carbon-free gas diffusion electrode (CF-GDE) design for alkaline applications is shown in this work. MnOx´s are electrodeposited on nickel foam by varying the settings, and then they were annealed at 300 °C. These CF-GDEs were characterized and compared with a commercial carbon-based GDE (GDEref). Samples were analyzed by XRD, SEM, X-ray tomography, contact angle method,
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Solution combustion derived nanoalloys: Robust and efficient catalyst systems for partial oxidation of methane Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-15 Md Jahiruddin Gazi, Deepak Khurana, Jyotishman Kaishyop, Tuhin Suvra Khan, Sahil Bhandari, Ankur Bordoloi
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Newly design and synthesis of Ni–Ir–Ru-doped mesoporous silica open-frameworks for admirable electrochemical water-oxidation application Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-15 Kyung-Hee Cho, Debabrata Chakraborty, Eun-Bum Cho, Sun Young Jung, Hyuksu Han
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The effect of pipeline sudden contraction structure on the deflagration characteristics of hydrogen-methane-air Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Ning Zhou, Xingyi Qian, Xue Li, Yongbin Yu, Qing Yin, Pengfei Zhao, Yanxia Zhang, Lewei Cao, Chunhai Yang, Bing Chen, Xuanya Liu, Weiqiu Huang
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Who is Mr. H2? Or expanding the view on hydrogen economy Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 V.I. Svitanko
The development of the global hydrogen industry as part of the new energy industry is largely constrained by low efficiency of hydrogen conversion and synthesis and the high end-to-end cash cost of the feedstock. Similar problems, as well as problems of transportation, are experienced by world trade. A new method that can increase the investment attractiveness of high-risk hydrogen production projects
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Advances in solid oxide fuel cell electrolyte fabrication by pulsed laser deposition Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Mengjun Tang, Yinghua Niu, Waqas Muhammad, Saeed Muhammad, Zhuohang Zhong, Sohail Muhammad, Yashuai Pang, Zhao Wan, Ning Chen, Liang Qiao, Weiqiang Lv
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Generation of renewable hydrogen from sewage sludge — Quantitative and energy-based technology evaluation Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Wojciech Kostowski, Mariusz Tańczuk, Michał Majchrzyk, Aleksandra Banasik, Adam Klimanek
The paper presents a critical analysis of a commercial pre-feasibility study for hydrogen generation from sewage sludge generated in a wastewater treatment plant sized Population Equivalent (PE) = 160,000 Three commercial offers based on hydrothermal carbonization, gasification/plasma gasification and gas separation, are analysed and validated in terms of chemical reactions and energy balance. The
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Effect of noble gases on the transport and thermodynamic characteristics of microchannel reforming reactors for hydrogen production Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Junjie Chen
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Two-dimensional MoSe2/PtSe2 van der Waals type-II heterostructure: Promising visible light photocatalyst for overall water splitting Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Liang Xu, Qionghui Zeng, S.X. Xiong, Ying Zhang, Lei Cao, Ji Tao, Zhengquan Li, Ling-Ling Wang, Kejun Dong
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Guest Editorial for the special issue on “HYdrogen POwer THeoretical and Engineering Solutions – International Symposium (HYPOTHESIS XVII)” Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Wei-Hsin Chen, Angelo Basile
Abstract not available
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Performance analysis of the ammonia-enriched hydrogen-fueled Wankel rotary engine Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Hao Meng, Changwei Ji, Jinxin Yang, Huaiyu Wang, Zhe Wang, Sergey Zambalov, Igor Yakovlev
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Effect of Ni doping on methane removal from hydrogen in ZrMnFe alloy and mechanism analysis Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Shumei Chen, Miao Du, Shuai Li, Zhinian Li, Jing Mi, Lei Hao, Zhaohui Yin, Hongming Zhao
Getter alloy has the advantages of low cost and high hydrogen purity in small and medium-scale hydrogen purification. However, the commonly used ZrMnFe alloy is reactive to various impurities in hydrogen, and requires a temperature above 600 °C to remove methane. To improve reactivity with methane and ensure a high hydrogen adsorption platform pressure, partial substitution of Fe with Ni, which has
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Improving hydrogen evolution catalytic activity of 2D carbon allotrope biphenylene with B, N, P doping: Density functional theory investigations Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-14 Mukesh Singh, Alok Shukla, Brahmananda Chakraborty
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Efficient and stable hydrogen evolution from ZnWO4/Zn1.95Cd8.05S10-DETA via S-scheme heterojunction under visible light irradiation without co-catalysts Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-12 Zhen Li, Aoyun Meng, Xiaoyu Sang, Wen Li, Jinfeng Zhang, Zhenghua Wang
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Effect of temperature on hydrogen generation and hydrolysis mechanism of Al–Sn–Bi composite materials Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-12 Lei Huang, Haiyang Yu, Chen Chen, Xing Zhou
To prepare a kind of Al-based composite materials with high hydrogen performance, this study characterizes the influence of temperature on Al alloy's hydrogen generation performance and investigates the role of bismuth (Bi) and tin (Sn) in hydrogen generation. Hydrogen testing reveals that the hydrogen properties of Al–Sn–Bi composite materials are significantly improvs at 75 °C than they are at 50 °C
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Integrating solar chimney power plant with electrolysis station for green hydrogen production: A promising technique Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-12 Emad Abdelsalam, Fares Almomani, Feras Kafiah, Hamza Alnawafah, Adel Juaidi, Ramez Abdallah
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Durability of Pt nanowire supported on carbon nanotubes under simulated start-up/shut-down conditions for polymer electrolyte membrane fuel cells Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-12 Zhipeng Zhao, Bing Xu, Jie Fu, Xin Sun, Lu Lu
The primary issue for the commercialization of proton exchange membrane fuel cells (PEMFCs) is the carbon corrosion of support and dissolution agglomeration of platinum nanoparticles under start-up/shut-down (SU/SD) conditions. Carbon nanotubes (CNTs)-supported Pt nanowire (PtNW) catalyst toward the ORR was synthesized via the soft template method. Electrochemical characterization demonstrated that
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Simulation study of N2/Ar dilution gas to improve thermal efficiency and reduce NOX emissions in hydrogen engines Int. J. Hydrogen Energy (IF 7.2) Pub Date : 2023-09-12 Yanbo Tang, Kongzhao Xing, Haozhong Huang, Zhanfei Tu, Yi Wang, Xiaoyu Guo
Although N2 dilution is effective in reducing NOX emissions in hydrogen engines, it decreases thermal efficiency. Utilizing Ar with N2 as a dilution gas can improve thermal efficiency while reducing NOX emissions. However, the specific effects and mechanisms of the mixed dilution of Ar and N2 on the combustion and emission characteristics of hydrogen engines remain uncertain. This study examined the