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Mesocrystallinely stabilized lithium storage in high-entropy oxides Nano Energy (IF 17.6) Pub Date : 2024-03-11 Wei Wang, Wenjun Song, Yanshuai Li, Yaqing Guo, Keqin Yang, Lianghao Yu, Furong Xie, Qingqing Ren, Kun He, Shun Wang, Yifei Yuan
High-entropy oxides (HEOs) have received growing recognition as an anode candidate for lithium-ion batteries, primarily attributed to their decent lithium storage capabilities and high cycling durability. However, the underlying lithium storage mechanism of HEOs remains ambiguous, particularly the origins for their high structural stability, necessitating more comprehensive investigations. In this
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Multiscale Modulation of Ultra-small Ruthenium Anchored on Bimetallic Sulfides for Seawater Electrolysis at Ampere-level Current Density Nano Energy (IF 17.6) Pub Date : 2024-03-11 Lin Wang, Haolan Tao, Yingnan Liu, Yue Chen, Zhengfei Chen, Xiaoxuan Yang, Bin Yang, Zhongjian Li, Qizhou Dai, Cheng Lian, Lecheng Lei, Yang Hou
Developing efficient and stable electrocatalysts is the critical challenge for hydrogen evolution reaction (HER) from seawater electrolysis. The design of catalysts for seawater HER needs to consider not only high intrinsic activity determined by the electronic structure, but also favorable mass transfer at the catalyst's surface. Herein, a unique nanoarray hybrid heterojunction consisting of ultra-small
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Ultrafast, self-powered monolithic pressure sensing technology induced by piezo-pyrophototronics Nano Energy (IF 17.6) Pub Date : 2024-03-11 Jihong Liu, Jingwei Chen, Zicai Zhang, Shufang Wang, Shuang Qiao
Pressure sensing is a pivotal aspect of modern technology that has been extensively explored, but still presents significant challenges. This work introduces an innovative ultrafast self-powered pressure sensing technology by harnessing the lateral photovoltaic effect (LPE) in a CIGS heterojunction via piezo-pyrophototronics. By utilizing non-uniform irradiation, a surface gradient of charge carriers
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Thermoresponsive Janus hybrid hydrogel for efficient solar steam generation Nano Energy (IF 17.6) Pub Date : 2024-03-11 Hao Li, Guoyun Tong, Aqiang Chu, Juanli Chen, Hongda Yang, Jing Fang, Zhengsheng Yang, Haohao Liu, Liangliang Dong
Solar-driven interfacial evaporation technology stands out as a promising solution for sustainable freshwater production. To achieve sustained and efficient water evaporation, it is crucial to carefully modulate the distribution of water content within the solar evaporator. In this study, a novel light-temperature responsive composite hydrogel-based solar evaporator was successful constructed. This
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Artificial synapse based on a tri-layer AlN/AlScN/AlN stacked memristor for neuromorphic computing Nano Energy (IF 17.6) Pub Date : 2024-03-09 Xinhuan Dai, Qilin Hua, Chunsheng Jiang, Yong Long, Zilong Dong, Yuanhong Shi, Tianci Huang, Haotian Li, Haixing Meng, Yang Yang, Ruilai Wei, Guozhen Shen, Weiguo Hu
Neuromorphic devices have garnered significant attention for their potential to revolutionize conventional computing architecture and drive advancements in artificial neural systems. Aluminum nitride-based (AlN-based) memristors have emerged as particularly noteworthy due to their exceptional properties, including ultrafast switching speed, small switching current, substantial on/off ratio, controllable
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Superior triboelectric polymer based on solid-state polymer forging Nano Energy (IF 17.6) Pub Date : 2024-03-09 Mingjin Liu, Qian Chen, Senhao Zhang, Yunfeng Zhao, Cong Fang, Zhao-Xia Huang, Jin-Ping Qu
The fabrication of superior triboelectric materials is urgently demanded for diverse applications in the Internet of Things and intelligence era, but it is limited by film preparation strategy. This work proposes a novel strategy namely solid-state polymer forging (SSPF) to prepare high-performance triboelectric polymer films. Ethylene chlorotrifluoroethylene copolymer (ECTFE) membrane reinforced by
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Piezo-optoelectronic coupling in heterojunctions for self-powered and ultrasensitive pressure sensing Nano Energy (IF 17.6) Pub Date : 2024-03-09 Cong Thanh Nguyen, Emily Lakis, Dang D.H. Tran, Tuan-Hung Nguyen, Jun Sugawara, Ivan Gratchev, Erik W. Streed, Toan Dinh, Nam-Trung Nguyen, Van Thanh Dau, Dzung Viet Dao
It is highly desirable to discover sensing mechanisms for developing self-powered and ultrasensitive pressure sensing. Here, we report that the piezo-optoelectronic coupling in a n-3C-SiC/p-Si heterojunction not only enables energy harvesting but also features massive strain sensitivity. To demonstrate the proof of the concept, a pressure sensing device is developed with active and reference electrodes
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Anti-moisture, anti-bacterial cellulosic triboelectric materials enabled by hydroxyl coordination effect Nano Energy (IF 17.6) Pub Date : 2024-03-08 Pinle Zhang, Huancheng Huang, Xin Wang, Kuan Cai, Junyu Chen, Yanhao Xu, Fanchao Yu, Shuangxi Nie, Shuangfei Wang, Xinliang Liu
Owing to their low cost, customizability, and environmental stability, cellulosic triboelectric materials have emerged among polymer materials. However, the rich hydrogen bonding network inherent in cellulose limits its polarity and electron-donating ability, and charge dissipation caused by the hygroscopicity of the hydroxyl-rich groups limits its application as a triboelectric material. In this study
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A high-efficiency, self-sustainable livestock barn air purification system Nano Energy (IF 17.6) Pub Date : 2024-03-08 Ruohui Hou, Xunjia Li, Yuxiang Pan, Xiande Zhao, Jianfeng Ping
In the context of livestock farming, controlling dust within barns is vital for maintaining animal respiratory health, equipment longevity, and production efficiency. To address the challenges posed by high dust concentrations, ventilation systems with air filters and humidity controls have been introduced. However, their widespread adoption on family farms is hindered by their high costs, substantial
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Triboelectric In-sensor Deep Learning for Self-powered Gesture Recognition toward Multifunctional Rescue Tasks Nano Energy (IF 17.6) Pub Date : 2024-03-08 Yao Xiong, Ziwei Huo, Jintao Zhang, Yang Liu, Dewu Yue, Nuo Xu, Rui Gu, Liang Wei, Lin Luo, Mingxia Chen, Chao Liu, Zhong Lin Wang, Qijun Sun
Gesture recognition is an effective method to voice-off communication in daily life, offering an intuitive and immersive means to interactive terminal. Current commercialized solutions to gesture recognition are exposed to limitations of either susceptibility to environmental conditions or the huge cost on fabrication, energy, and computing power. Here, we propose a deep-learning-enabled smart gesture
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Vibration wave transfer management strategy inside triboelectric nanogenerator device for enhancing recognition accuracy Nano Energy (IF 17.6) Pub Date : 2024-03-08 Junjun Huang, Yue Liu, Shufeng Wang, Jiajia Wan, Xingke Zhao, Honglin Li, Zhenming Chen, Housheng Xia, Chengmei Gui
Present triboelectric nanogenerator (TENG) devices can be used for monitoring vibration frequency, intensity and working environment. Nevertheless, vibration wave recognition cannot be achieved, owing to developed device structure and working mechanism limitation. To prevent such issues, dielectric materials (metallized cotton encapsulated by polydimethylsiloxane of gradient elastic modulus) with vibration
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Green synthesis of natural nanocomposite with synergistically tunable sorption/desorption for solar-driven all-weather moisture harvesting Nano Energy (IF 17.6) Pub Date : 2024-03-07 Rong Zhu, Qiongfen Yu, Ming Li, Aimin Li, Danya Zhan, Yinning Li, Zhongfan Mo, Shengnan Sun, Ying Zhang
Sorption-based atmospheric water harvesting (SAWH) is a promising strategy for addressing freshwater scarcity in arid regions that extracts water vapor from the atmosphere and utilizes solar energy to drive desorption. Hygroscopic salts are commonly used to develop composite sorbents for SAWH with a high water uptake, but these salts often exhibit slow kinetics and high energy consumption for the desorption
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Facile synthesis of advanced BaTiO3/CuPbSbS3 heterostructure photocatalyst with enhanced piezo-photocatalytic degradation performance Nano Energy (IF 17.6) Pub Date : 2024-03-07 Zhen Chen, Guiqiu Li, Xinlong Zheng, Yuhao Liu, Jun Dai, Bo Huang, Meng Xia, Lulu Yan, Qi Chen, Yijun Shen, Dong Wang, Meng Li, Wei Xiao, Xinlong Tian, Juanxiu Xiao
The polarization electric field feature of piezoelectric materials is greatly beneficial to enhance the separation and migration of photogenerated carriers. Herein, we propose a BaTiO/CuPbSbS (BTO/CPSS) heterostructure photocatalyst through the combination of hydrothermal and facile butyldithiocarbamate acid (BDCA) solution process, in which the catalytic degradation performance of BTO/CPSS can be
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Discrete ZnO p-n Homojunction Piezoelectric Arrays for Self-Powered Human Motion Monitoring Nano Energy (IF 17.6) Pub Date : 2024-03-06 Weili Deng, Longchao Huang, Hongrui Zhang, Guo Tian, Shenglong Wang, Tao Yang, Da Xiong, Long Jin, Weiqing Yang
Zinc oxide (ZnO), as a typical piezoelectric semiconductor, has gained significant attention in the field of wearable electromechanical coupling. However, the presence of an intrinsic screening effect becomes a bottleneck in developing high-performance ZnO-based piezoelectric devices. To address this limitation, we propose the formation of p-n homojunction by La doping in ZnO nanorods (NRs) as well
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Variable Capacity Polymer based Energy Harvesters with Integrated Macroporous Elastomer Springs Nano Energy (IF 17.6) Pub Date : 2024-03-06 Qixiang Jiang, Veronika Otáhalová, Victor Burre, Hannah S. Leese, Milo S.P. Shaffer, Robert Hahn, Angelika Menner, Alexander Bismarck
We introduce a manufacturing concept of variable capacity energy harvesters consisting of macroporous springs integrated within a conducting silicone rubber and dielectric. Printing and polymerising emulsion templates resulted in macroporous spring elements, which were coated with conducting silicone rubber to maintain the active contact surface. By increasing size and number of these springs, the
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Hard Carbon with Embedded Graphitic Nanofibers for Fast-Charge Sodium-Ion Batteries Nano Energy (IF 17.6) Pub Date : 2024-03-06 Ke Wang, Mengjun Li, Zhu Zhu, Wei Ai, Han Wu, Bingwu Wang, Pan He, Dong Xie, Jinsong Wu, Wei Huang
The development of fast-charging sodium-ion batteries need the anode to have a high rate capacity with a long and reversible charging plateau at low voltage (<0.1V). Hard carbons are extensively investigated as the anodes for sodium-ion batteries, but slow charge-transfer kinetics and low reversible capacity at low potential region are still major obstacles for their practical applications. Herein
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High-Aligned Oppositely-Charged Nanocellulose/MXene Aerogel Membranes through Synergy of Directional Freeze-Casting and Structural Densification for Osmotic-Energy Harvesting Nano Energy (IF 17.6) Pub Date : 2024-03-06 Zhanhong Yuan, Binglin Zhou, Kaiyu Yuan, Zhijiang Xie, Ke Zheng, Huiqing Wang, Chenlu Jiao, Dongdong Ye
Optimization of ion-transport paths can considerably improve ion-transport capabilities in charged nanochannels. Thus, the assembly of high-charge-density one- and two-dimensional nanomaterials into aligned nanochannels is necessary for high-performance osmotic-energy harvesting. Herein, we prepared cellulose/MXene aerogel membranes with opposite charges and aligned nanochannels via chemical modification
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Sustainable paper-based triboelectric nanogenerator with improved output performance through a general strategy of interface fusion Nano Energy (IF 17.6) Pub Date : 2024-03-06 Hanbin Liu, Xun Li, Zhijian Li, Huacui Xiang, Zhou Bai, Haiwei Wu, Guodong Liu, Hongwei Zhou
The paper-based triboelectric nanogenerators (PB-TENGs) satisfied the requirement of sustainability and aroused great research interests, however how to improve their outputs still remains as a huge challenge. Most of the reported strategies to enhance the performance of PB-TENG focused on the chemical modification of the friction layers (FL), which may be restricted by the high-cost and cumbersome
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A vortex-induced vibration device based on MG-TENG and research of its application in ocean current energy harvesting Nano Energy (IF 17.6) Pub Date : 2024-03-06 He Li, Zhen Zhang, Peng Xu, Changqing Jiang, Linjie Yu
In recent years, with the extensive research on the application of triboelectric nanogenerators (TENGs) by scholars all over the world, the development of TENGs in harvesting and utilization of ocean energy has attracted more and more attention according to the advantages of TENGs in low-frequency energy harvesting. As a kind of ocean energy, the development and utilization of ocean current energy
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Customizing temperature-resistant cellulosic triboelectric materials for energy harvesting and emerging applications Nano Energy (IF 17.6) Pub Date : 2024-03-06 Siqiyuan Zhu, Yanhua Liu, Guoli Du, Yuzheng Shao, Zhiting Wei, Jinlong Wang, Bin Luo, Chenchen Cai, Xiangjiang Meng, Song Zhang, Mingchao Chi, Shuangxi Nie
Extreme environmental conditions pose fundamental obstacles to the stable operation of equipment in cutting-edge fields such as deep space exploration and military equipment. Triboelectric nanogenerators (TENGs) as novel energy harvesting and sensing devices exhibit unparalleled potential under high-temperature conditions. However, the development of temperature-resistant triboelectric materials is
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A predictive method for impedance estimation of triboelectric nanogenerators based on a gated recurrent unit model Nano Energy (IF 17.6) Pub Date : 2024-03-05 Qin Zhang, Hengyu Guo, Fan Shen, Chen Cao, Jianyong Zheng, Quan Zhang, Yan Peng, Zhongjie Li, Xinghua Xiao
Majorities of existing studies aim at investigating the influence of relevant parameters of triboelectric nanogenerators (TENGs) on their electrical output. However, few studies reported the relationship between these parameters and internal impedances of TENGs. In this work, we have firstly achieved accurate prediction for internal impedances of contact-separation TENGs (CS-TENGs) with different combinations
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Shear Thickening and Charge-Storing Interlayer-based All-Aerosol-Sprayed Wearable Triboelectric Sensor for Industrial Wireless Human-Machine Interfaces Nano Energy (IF 17.6) Pub Date : 2024-03-05 Ji Gyo Park, BaekGyu Kim, Jin Yeong Song, Ho Kyoung Lee, Min Chan Kim, Kyu Hyun, Da Seul Shin, Zong-Hong Lin, Dongwhi Choi, Sang Min Park
In harsh factory environment, achieving design and deployment of wearable sensor is challenging for foundation of industrial internet of things (IoT) systems. Herein, we introduce an all-aerosol-sprayed impact-resistant wearable triboelectric sensor (SC-WTS) that integrates SiO nanoparticle-based shear thickening and a charge-storing (SC) interlayer. This interlayer synergistically enhances both anti-impact
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A self-powered flexible tactile sensor utilizing chemical battery reactions to detect static and dynamic stimuli Nano Energy (IF 17.6) Pub Date : 2024-03-05 Sen Li, Yu Cheng, Ka Deng, Hongyan Sun
Flexible and wearable tactile sensors have become increasingly important in various fields, including healthcare monitoring and human-computer interaction. However, traditional resistive or capacitive sensors require an external power supply to continuously consume energy, while piezoelectric and triboelectric sensors respond only to dynamic mechanical stimuli. The development of tactile sensors that
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Recent development of flexible force sensors with multiple environmental adaptations Nano Energy (IF 17.6) Pub Date : 2024-03-05 Shunfa Chen, Yan Zhang, Yuanyuan Li, Ping Wang, Dongmei Hu
After decades of development, flexible force sensors (FFS) with excellent performance have been widely used in health monitoring, sport detection, soft robotics, electronic skin, human-machine interface. Researchers have concentrated on new materials and sophisticated structures for better performance and few have reported on functionality. The functional flexible force sensors (F-FFSs) will greatly
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Spherical 3D fractal structured dual-mode triboelectric nanogenerator for multidirectional low-frequency wave energy harvesting Nano Energy (IF 17.6) Pub Date : 2024-03-04 Boyu Zhu, Han Wu, Hanqing Wang, Zhentan Quan, Hao Luo, Lijun Yang, Ruijin Liao, Jiyu Wang
The triboelectric nanogenerator (TENG) has demonstrated an irreplaceable advantage compared with the electromagnetic generator (EMG) in featuring a greater low-frequency energy harvesting capability. However, the efficiency of energy harvesting remains challenge for wave energy under random-direction motion characteristics. In this work, a 3D fractal structure dual-mode spherical TENG (FDS-TENG) is
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Composite Phase-Change Materials for Photo-Thermal Conversion and Energy Storage:A review Nano Energy (IF 17.6) Pub Date : 2024-03-03 Zongce Chai, Minghao Fang, Xin Min
Photo-thermal conversion phase-change composite energy storage materials (PTCPCESMs) are widely used in various industries because of their high thermal conductivity, high photo-thermal conversion efficiency, high latent heat storage capacity, stable physicochemical properties, and energy saving effect. PTCPCESMs are a novel type material that can harness solar energy for heat storage and energy conversion
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Polydopamine-modified MXene/cellulose nanofibers composite film for self-powered humidity sensing and humidity actuating Nano Energy (IF 17.6) Pub Date : 2024-03-03 Mimi Han, Wenhao Shen, Jean-Pierre Corriou
Humidity sensors are of great significance in the domains of wearable electronic products, environmental and food quality monitoring, and human healthcare. In general, they necessitate an external power source in the form of a battery. Despite considerable efforts, developing self-powered sensing systems without reliance on an external power supply remains a major challenge. Herein, an electrochemical
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A nanomaterial-regulated oxidation of hole transporting layer for highly stable and efficient perovskite solar cells Nano Energy (IF 17.6) Pub Date : 2024-03-02 Mengqi Jin, Chong Chen, Fumin Li, Zhitao Shen, Hu Shen, Dong Yang, Huilin Li, Ying Liu, Chao Dong, Rong Liu, Mingtai Wang
Small molecule 2,2′,7,7′-tetrakis(N,N-di--methoxyphenyl-amine)9,9′-spirobifluorene (spiro-OMeTAD) is widely used as a hole transport material for efficient perovskite solar cells (PSCs). However, the conventional doping of spiro-OMeTAD with hygroscopic lithium salt and volatile 4-tert-butylpyridine is a time-consuming process and also leads to a poor device stability, which significantly hinder the
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Surface manipulated triboelectric polymer films via direct fluorination towards high performance TENG Nano Energy (IF 17.6) Pub Date : 2024-03-02 Han Wu, Xuguang Liu, Wen Li, Shenglin Kang, Boyu Zhu, Lijun Yang, Ruijin Liao, Zhenlian An, Jiyu Wang
Triboelectric polymer with high charge density and stable output performance is the cornerstone to promote the urgent commercialization of triboelectric nanogenerators (TENGs) for various applications. In this work, the facilitated surface manipulation strategy based on direct fluorination technique is applied for triboelectric polymers to boost their performance. The Polydimethylsiloxane film as experimental
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Highly reliable and large-scale simulations of promising argyrodite solid-state electrolytes using a machine-learned moment tensor potential Nano Energy (IF 17.6) Pub Date : 2024-03-02 Ji Hoon Kim, Byeongsun Jun, Yong Jun Jang, Sun Ho Choi, Seong Hyeon Choi, Sung Man Cho, Young-Gu Kim, Byung-Hyun Kim, Sang Uck Lee
The high ionic conductivity of argyrodite makes it an attractive candidate for solid-state electrolytes (SSEs) in all-solid-state Li-ion batteries (ASSBs). Although great effort has been devoted to using molecular dynamics (AIMD) to evaluate ionic conductivity and elucidate the Li-ion diffusion mechanism of argyrodite-based SSEs, limitations in system size, simulation temperatures, and time associated
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Perovskite fluorides for electrochemical energy storage and conversion: Structure, performance and mechanisms Nano Energy (IF 17.6) Pub Date : 2024-03-02 Yi Li, Rui Ding
In order to cope with the global energy and environmental constraints, researchers are committed to the development of efficient and clean energy storage and conversion systems. Perovskite fluoride (ABF), as a novel kind of electrode material, has shown excellent results in recent years in the fields of nonaqueous Li/Na/K-ion storage, aqueous supercapacitors, aqueous batteries, aqueous supercabatteries
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Vertically aligned polymer microfibril array for self-powered sensing Nano Energy (IF 17.6) Pub Date : 2024-03-02 Fei Peng, Kunlun Ren, Rongrui Chen, Di Liu, Chuan Ning, Guoqiang Zheng, Kun Dai, Chuntai Liu, Changyu Shen
Triboelectric sensor (i.e., triboelectric nanogenerator, TENG) has attracted increasing attention in recent years, owing to its unique superiorities such as less energy consumption, versatile material options and diversified architectures. In order to enhance sensitivity and signal to noise ratio (SNR) of triboelectric sensor, many micro/nano-structured tribo-layer (e.g., vertically aligned microfibril
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Durable triboelectric nanogenerator on coiled head of acupuncture needle Nano Energy (IF 17.6) Pub Date : 2024-03-02 Saira Iqbal, Shuai Zhang, Meng Shuo, Jinlian Hu
Integrating traditional Chinese medicine (TCM) techniques with modern technologies has paved the way for innovative advancements in various fields. In this research, we explore the fascinating fusion of acupuncture, a well-established TCM practice, with the triboelectric nanogenerators (TENG), an emerging energy harvesting technology. We present a groundbreaking approach where the coiled head of acupuncture
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Optimized W-d band configuration in porous sodium tungsten bronze octahedron enabling Pt-like and wide-pH hydrogen evolution Nano Energy (IF 17.6) Pub Date : 2024-03-02 Guangbo Liu, Shukun Liu, Xiaolei Li, Honghao Lv, He Qu, Qinghao Quan, Huasen Lu, Xuejing Cui, Xin Zhou, Luhua Jiang, Jieshan Qiu
Metal -band configuration is decisive to the interaction of metals with reactants and intermediates, therefore often governs the catalytic activity. Herein, we for the first time demonstrate a family of alkali tungsten bronzes (MWO, M = Na, K, Rb, Cs and 0
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How to reduce enthalpy in the interfacial solar water generation system for enhancing efficiency? Nano Energy (IF 17.6) Pub Date : 2024-03-01 Xuemin Geng, Peng Yang, Yanfen Wan
Solar-driven water generation especially interfacial solar steam generation (ISSG) technology holds the potential of revolutionizing fresh water production and resolving energy crises. With ISSG system operating at the air-liquid interface, it enables localized solar-to-heat conversion and restrictive thermal energy losses. Advances in optimized material design in parallel to engineered evaporator
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Self-powered online practical machine condition monitoring and wireless communication achieved on integrated, efficient, and durable triboelectric nanogenerator Nano Energy (IF 17.6) Pub Date : 2024-03-01 Idiris Mehamud, Marcus Björling, Pär Marklund, Yijun Shi
Triboelectric nanogenerator (TENG) can effectively scavenge ambient mechanical energy with cost, weight, and effectiveness advantages despite critical issues of TENG such as integration to complex components, low current output, and durability. In this work, we designed an adaptive TENG on a mechanical shaft for harvesting rotational energy which can easily assemble and disassemble. The proposed TENG
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Application of nanogenerators in self-powered microfluidic systems Nano Energy (IF 17.6) Pub Date : 2024-03-01 Luming Zhao, Hangyu Zhang, Dong Liu, Yang Zou, Zhou Li, Bo Liu
The microfluidic system provides a novel method for simultaneously carrying out microfluidic manipulation, detection and analyzation in a tiny chip with designed microchannels, which has the advantage of simple structure and low sample consumption and has been widely studied in past decades. However, the normal operation of the microfluidic system could not be separated from the role of ancillary equipment
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Formaldehyde degradation by soft-sliding-electrification-induced air ionization Nano Energy (IF 17.6) Pub Date : 2024-03-01 Guanyu Chen, Fangjia Zhang, Lanyue Shen, Jixin Yi, Peng Jiang, Yihan Wei, Jiaxun Hou, Yina Liu, Jun Cao, Xuhui Sun, Zhen Wen
Formaldehyde (HCHO), a highly toxic and carcinogenic gas, is the most common indoor air pollutant and a threat to human health. Developing simple and effective technological routes to achieve sustainable degradation of HCHO has become a common goal. In this work, we reported a self-powered air-ionized HCHO degradation system based on a soft-sliding freestanding mode triboelectric nanogenerator (SSF-TENG)
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Artificial neuromodulator–synapse mimicked by a three-terminal vertical organic ferroelectric barristor for fast and energy-efficient neuromorphic computing Nano Energy (IF 17.6) Pub Date : 2024-03-01 Seonggil Ham, Jingon Jang, Dohyong Koo, Sanggyun Gi, Dowon Kim, Seonghoon Jang, Nam Dong Kim, Sukang Bae, Byunggeun Lee, Chul-Ho Lee, Gunuk Wang
Novel structures for synaptic devices and innovative array configurations are crucial for implementing fast and energy-efficient neuromorphic electronics. We introduce a three-terminal vertical organic ferroelectric barristor equipped with synaptic functions based on Schottky barrier height modulation to implement a neural network with parallel concurrent execution. The barristor can be extended to
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Improving the performance of triboelectric nanogenerators using flexible polyurethane nanocomposites foam filled with montmorillonite Nano Energy (IF 17.6) Pub Date : 2024-02-28 Ahmed Abdelhamid Maamoun, David Magdy Naeim, Ahmed Adel Mahmoud, Amal M.K. Esawi, Mustafa Arafa
Flexible polyurethane (FPU) foam is flexible and adaptable, making it a promising candidate for utilization as a triboelectric layer in triboelectric nanogenerator (TENG) devices. Nevertheless, the mechanical properties and output voltages of FPU foam are limited, prompting the need to explore modifications that can enhance its performance. In this study, FPU foam was modified through the incorporation
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Superlubricity via operando formation of MoS2/S8 heterojunctions on steel surface with amorphous carbon protection Nano Energy (IF 17.6) Pub Date : 2024-02-28 Lei Sun, Zaixiu Yang, Bin Zhang, Zhaoyang Xing, Junyan Zhang, Fuguo Wang, Li Qiang
Superlubricity can cancel energy loss caused by friction and wear, and holds great promise for moving machine parts and carbon neutrality. However, the superlubricity under particularly on steel surface in an open atmosphere is an essential precondition for industrial use remaining a challenge. A novel strategy was proposed in this work the hybride system of a-C:H-ammonium tetrathiomolybdate in situ
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Tooth backlash inspired comb-shaped single-electrode triboelectric nanogenerator for self-powered condition monitoring of gear transmission Nano Energy (IF 17.6) Pub Date : 2024-02-28 Song Wang, Chen Zheng, Tenghao Ma, Tianyang Wang, Shuai Gao, Qiyi Dai, Qinkai Han, Fulei Chu
Gear transmissions are an integral part of most rotation machinery. Their abnormalities can affect the reliable operation of the equipment. Most sensors that monitor gear transmissions lack self-powered capability and have weak features due to the restricted mounting locations. In this study, the tooth backlash inspired triboelectric nanogenerator (TB-TENG) is proposed for self-powered condition monitoring
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Accelerating wound healing with flexible zinc ion microbatteries coupled with endogenous electrical fields Nano Energy (IF 17.6) Pub Date : 2024-02-27 Xiaotong Sun, Ya’nan Yang, Qianwen Liu, Dongye Zheng, Changxiang Shao, Yaohan Wang, Jinsheng Lv, Tian Yang, Yanye Lu, Qiushi Ren, Nan Chen
Wound healing is an important physiological process in living organisms, involving the migration and proliferation of cells in the endogenous electric field (EEF). Continuous and stable electrical stimulation by an external power supply can effectively mimic the EEF, accelerating the biological processes involved in wound healing. However, the clumsiness of conventional external power supplies and
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A NiFeSn oxyhydroxide electrocatalyst wet gel for highly efficient water electrolysis in alkaline media Nano Energy (IF 17.6) Pub Date : 2024-02-27 Taehee Kim, Hwapyung Jung, Haryeong Choi, Donghyeon Kang, Wonjun Lee, Vinayak G. Parale, Umakant M. Patil, Younghun Kim, Jiseung Kim, Sang-Hyun Kim, Sang-Woo Kim, Kazuyoshi Kanamori, Hyung-Ho Park
Since the kinetic barrier posed by the oxygen evolution reaction (OER) is a significant obstacle in water-splitting systems, the creation of effective and inexpensive OER electrocatalysts has received considerable research interest. We report the facile synthesis of an amorphized NiFeSn oxyhydroxide wet gel on Ni foam via a gelation-induced embedding method. Its intrinsic pore structure provided a
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An n-type organic synaptic transistor with dopant-sensitive plasticity enables sensory-adaptive robotics Nano Energy (IF 17.6) Pub Date : 2024-02-27 Jiangdong Gong, Jiaqi Liu, Chengpeng Jiang, Haiyang Yu, Huanhuan Wei, Yao Ni, Yi Du, Wentao Xu
Sensory intelligence of biological depends on the activity of synapses, which promotes enormous research on artificial synapses and bio-inspired sensory systems. Here, we propose a strategy of increasing channel permeability with doping concentration to demonstrate for the first time the application of -type organic synaptic transistors (OSTs) in neuromorphic sensory robotic system. The threshold voltage
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A self-powered flexible piezoelectric sensor patch for deep learning-assisted motion identification and rehabilitation training system Nano Energy (IF 17.6) Pub Date : 2024-02-27 Yuanchao Guo, Haonan Zhang, Lin Fang, Zixun Wang, Wen He, Shiwei Shi, Renyun Zhang, Jia Cheng, Peihong Wang
Artificial intelligence-assisted wearable devices have attracted great interest in medical treatment and healthcare. However, wearable electronic devices are expensive to manufacture and usually depend on external power supply. Herein, a flexible self-powered piezoelectric sensor patch (SPP) using Polyvinylidene fluoride (PVDF) fibrous film as the functional layer is demonstrated for the assessment
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A wearable muscle telescopic monitoring sensor with an adjustable double-sponge-modular structure based on triboelectric nanogenerator Nano Energy (IF 17.6) Pub Date : 2024-02-25 Yu Gao, Haijun Luo, Xue Wang, Jie Chen, Jing Li, Yanling Li, Qiucheng Wang
Monitoring and analyzing the state of human muscle is becoming a focus of research in exercise and medicine. Traditional devices (EMG, MRI, X-ray, etc.) cannot provide long-term and stable dynamic monitoring of human muscles due to usage scenarios and expert diagnosis. Here we propose a new triboelectric nanogenerator of modular muscle sensor (MMS-TENG), which is based on a flexible conductive sponge
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Boosting power output performance of Ba0.85Ca0.15Sn Zr0.1-Ti0.9O3 piezoelectric nanogenerators via internal resistance regulation strategy Nano Energy (IF 17.6) Pub Date : 2024-02-24 Shuai An, Xin Gao, Mupeng Zheng, Ming Zhang, Peng Liu, Mankang Zhu, Yudong Hou
The piezoelectric charge coefficient () and transduction coefficient (×) of piezoelectric materials are the key factors that determine the power generation performance of piezoelectric nanogenerators (PENGs). However, it is becoming more difficult to achieve further large improvements in the values of these coefficients. In this work, we propose a new strategy to enhance the output performance of the
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Grid-free touch recognition on arbitrary surface using triboelectric vibration sensor Nano Energy (IF 17.6) Pub Date : 2024-02-24 Changrui Shi, Ye Tao, Xiao Li, Shixin Li, Kaihao Mao, Wenshang Guo, Jian Zhou, Xiao Zhang, Rui Xue, Yukun Ren
Touch panels are extensively applied across various fields, serving as a critical platform for the future of human-machine interaction and the metaverse. However, touch panel development is impeded by complicated sensor systems, including electrode grids, stacked multilayers, and external power. Here, a highly sensitive self-powered vibration sensor based on the triboelectric nanogenerator (VS-TENG)
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Phenyltrimethylammonium chloride additive for highly efficient and stable FAPbI3 perovskite solar cells Nano Energy (IF 17.6) Pub Date : 2024-02-24 Huanhuan Wang, Zhuang Zhang, Xiaobing Wang, Linrui Duan, Jingshan Luo
Formamidinium lead triiodide (FAPbI)-rich perovskite absorbers have emerged as the frontrunners for the development of perovskite solar cells (PSCs), but pristine FAPbI absorber exhibits phase instability because of external stressors during device manufacture and operation. In this work, we systematically study the function of a trace amount of phenyltrimethylammonium chloride (PTAC) additive in FAPbI-based
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Wearable patterned single electrode-based triboelectric nanogenerator for peak-encoded interface Nano Energy (IF 17.6) Pub Date : 2024-02-24 Shuhan Li, Yifan Xia, Siyu Zhang, Kangting Liu, Biao Yang, Mingyuan Li, Xinrong Zhi, Xin Wang
Advancement in human-machine interface (HMI) is indispensable for development of virtual/augmented reality, robotics control, and artificial intelligence (AI). However, there lack a simple facile electronics to achieve accurate finger motion recognition and remote robot control through simple signal processing. Herein, a wearable patterned single electrode-based triboelectric nanogenerator (PS-TENG)
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Revealing the voltage decay of LiMn0.7Fe0.3PO4 cathodes over cycling Nano Energy (IF 17.6) Pub Date : 2024-02-24 Qiao Hu, Li Wang, Guangming Han, Jiaying Liao, Jinli Liu, Jianfeng Yao, Xiangming He
Mn-rich olivine phosphates (LiMnFePO, x>0.6) are promising cathode candidates for Li-ion batteries (LIBs) with high energy density and low cost. However, it suffers voltage decay which causes severe energy loss and is considered as a crucial barrier on the way to application. Here, using LiMnFePO as a model, we reveal that the increasing non-synchronous reaction among particles is an important cause
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Touch-activated information interaction system based on body-heat-powered flexible thermoelectric generator for food spoilage monitoring Nano Energy (IF 17.6) Pub Date : 2024-02-23 Jingjiang Lv, Xin Li, Zijian An, Yue Wu, Zhenghan Shi, Guang Liu, Yanli Lu, Fenni Zhang, Jun Liu, Xing Chen, Qingjun Liu
With the rapid advancement of the Internet of Things, a wide range of information interaction platforms have been developed to enhance the quality of life and work. Nevertheless, rigid batteries greatly limit its development, which requires frequent replacement or recharge. Thermoelectric generators (TEG) have emerged as an attractive form for energy suppliers owing to their ability to convert low-grade
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Iron-based heterojunction activate strong metal-support interaction enabling hydrogen evolution reaction at ampere-level current density in seawater Nano Energy (IF 17.6) Pub Date : 2024-02-22 Kun Li, Xiaobin Liu, Xuanyi Wang, Siqi Wu, Weibing Li, Jingqi Chi, Lei Wang
Exploring Ru-based materials with strong metal-support interaction (SMSI) is a promising method to develop superb activity and long-term durability electrocatalysts for hydrogen evolution reaction (HER). Herein, a heterojunction substrates strategy is proposed to stimulate the intrinsic activity of Ru nanoparticles loading on FeTeO (Ru/FeTeO) by activating the strong metal-heterojunction substrate
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Manipulation of bilayer MoS2-based MESFET with flexoelectric polarization field Nano Energy (IF 17.6) Pub Date : 2024-02-22 Junjie Wu, Chuwei Wu, Weisheng Zhang, Chunli Zhang, Weiqiu Chen
We propose a bilayer MoS-based metal-semiconductor field-effect transistor (MESFET) with the characteristic of mechanical modulation of its performance through flexoelectricity. The MESFET sample is fabricated with the bilayer MoS and the Si/SiO substrate as well as the gate electrode of Pt and the source/drain electrode of Ag/Au. The current-voltage relationships of the fabricated MESFET under the
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Advances in application of sustainable lignocellulosic materials for high-performance aqueous zinc-ion batteries Nano Energy (IF 17.6) Pub Date : 2024-02-22 Yi Huang, Wei Liu, Chenxiao Lin, Qingxi Hou, Shuangxi Nie
As the rapid increasing demand for electrical energy in the world, the research on electrical energy storage becomes urgent and crucial, especially for these ones with the features of cost-effectiveness, high safety and outstanding performance. Aqueous zinc ion batteries (AZIBs) are regarded as environmentally friendly, safe, reliable, and promising devices for electrochemical energy storage systems
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Interface regulation strategy in constructing ZnS@MoS2 heterostructure with enhanced surface reaction dynamics for robust lithium-ion storage Nano Energy (IF 17.6) Pub Date : 2024-02-22 Fuzhou Chen, Stuart Jacob Robertson, Xin Xu, Shengzhou Chen, Changlong Sun, Minhua Shao, Jiahai Wang
Heterostructure construction is an effective method used to synthesize lithium-ion battery anode materials with high electrochemical performance. In this study, an interface regulated ZnS@MoS heterostructure was achieved through a designed solvothermal strategy. The designed strategy introduces interface regulation in the heterostructure, increasing active sites for lithium adsorption and improving
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Construction of nickel phosphide/iron oxyhydroxide heterostructure nanoparticles for oxygen evolution Nano Energy (IF 17.6) Pub Date : 2024-02-21 Yichuang Xing, Shuling Liu, Yuan Liu, Xuechun Xiao, Yvpei Li, Zeyi Wang, Yanling Hu, Bowen Xin, He Wang, Chao Wang
Active and stable oxygen evolution electrocatalysts are essential in increasing the efficiency of water electrolyzers. The NiP/Fe(O)OH heterostructure nanoparticles are prepared via solvothermal phosphidization of Ni metal-organic frameworks (MOF) followed by immersing in Fe aqueous solution. Characterizations reveal that the NiP/Fe(O)OH heterostructure nanoparticles are 12.83 nm in size averagely
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A self-powered wireless sweat-analysis patch for real-time monitoring physiological status Nano Energy (IF 17.6) Pub Date : 2024-02-20 Hanyu Cao, Rui Lin, Zhihe Long, Lili Xing, Xinyu Xue
For both professional and amateur athletes, perspiration analysis technique is considered as a powerful tool for real-time monitoring the athletes’ physiological status during sports. This study presents an innovative self-powered wireless sweat-analysis patch worn on the skin for real-time monitoring chloride concentration and pH levels in perspiration. The patch consists of two main components: self-powered
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Continuously interconnected network enabled by Pt single atoms-promoted CoNiP-CoNi heterostructures for efficient water electrolysis Nano Energy (IF 17.6) Pub Date : 2024-02-20 Manoj Bollu, Duy Thanh Tran, Sampath Prabhakaran, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
For the generation of renewable hydrogen via water electrolysis, it is necessary to develop electrocatalysts with high performance and maximum metal utilization. Herein, we report an effective electrocatalyst of interconnected nanonetwork based on one-dimensional CoNi@CoNiP heterostructures implanted with ultralow loading of platinum single atoms (CN@CNP-Pt). Our study indicates that the CN@CNP-Pt