Article
Chemistry, Physical
Hyebin Kim, Jung S. Yi, Doohwan Lee
Summary: The study investigates the marked electrocatalytic effects of two-step B and O atomic doping of graphite-felt electrodes for vanadium redox reactions in a vanadium redox flow battery. By controlling the doping sequence and temperature via thermochemical reactions, the kinetic significance of the B and O surface centers for the reactions is identified, leading to improved catalytic activity and specific charge-discharge capacity of the electrodes. With a two-step O and B doping configuration, the B/O-GF electrode shows significantly higher voltage efficiency compared to pristine-GF, demonstrating the potential for enhanced performance in VRFB applications.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Hyebin Kim, Jihun Paick, Jung S. Yi, Doohwan Lee
Summary: Heteroatom doping can enhance the electrokinetics of vanadium redox reactions in flow batteries, but this study found that the enhancements observed by p-type and n-type doping are primarily due to surface lattice defects. However, p-n type boron-nitrogen co-doping shows exceptional catalytic activity and significantly improves the efficiency and energy storage capacity of vanadium redox flow batteries.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Ting Long, Yong Long, Mei Ding, Zhizhao Xu, Jian Xu, Yiqiong Zhang, Mingliang Bai, Qijun Sun, Gen Chen, Chuankun Jia
Summary: In this study, a large area graphene modified carbon felt electrode was successfully prepared by chemical vapor deposition, which significantly improved the electrochemical performance of vanadium redox flow batteries. The graphene decoration provided abundant active sites for redox reactions, resulting in enhanced voltage efficiency and energy efficiency compared to pristine carbon felt electrodes. Additionally, the high retention value over 600 cycles demonstrates the promising potential of this electrode for next-generation VRFBs.
Article
Chemistry, Physical
Jungmyung Kim, Heesung Park
Summary: Enhancing the electrolyte flow characteristics in vanadium redox flow batteries is crucial for improving battery performance. A hybrid electrode design incorporating carbon foam and nanofluidic electrolytes has been shown to increase battery lifetime, electrochemical reaction kinetics, and system efficiency. The use of nanofluidic electrolytes in the hybrid electrode results in higher pumping efficiency and improved electrochemical performance, leading to increased discharge capacity and capacity retention compared to conventional carbon felt electrodes.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Meixiang Zhai, Jiejun Ye, Yingqiao Jiang, Sujuan Yuan, Yuehua Li, Yongguang Liu, Lei Dai, Ling Wang, Zhangxing He
Summary: This paper reviews the suitability of biomass-derived carbon (BDC) materials as electrode or catalyst materials for vanadium redox flow battery (VRFB). It summarizes the latest developments in BDC materials of VRFB in four different structural dimensions, highlighting the improved performance of VRFB due to the structure. The challenges, solutions, and prospects for the further development of BDC materials are also discussed.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Energy & Fuels
Phil-Jacques Alphonse, Mert Tas, Gulsah Elden
Summary: Vanadium redox flow battery systems are safe and efficient energy storage technologies for both conventional and renewable energy sources. This study investigates the effects of gradually increasing electrode porosity on battery performance using numerical models. The results show that increasing porosity in both electrodes leads to better performance and more uniform current distribution, with slight changes in species concentration and pressure drop.
Article
Engineering, Multidisciplinary
Shaotian Qi, Lei Dai, Wenjie Huo, Yingqiao Jiang, Sujuan Yuan, Yanna Xiao, Yongguang Liu, Ling Wang, Zhangxing He
Summary: In this paper, doping engineering strategies in Vanadium redox flow battery (VRFB) are reviewed, including single doping and co-doping. The classifications and discussions about electrodes and catalysts are carried out. The research progresses of doping engineering strategies are summarized, and the future directions of electrodes development are proposed.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Engineering, Environmental
Zhangxing He, Yanrong Lv, Tianao Zhang, Ye Zhu, Lei Dai, Shuo Yao, Wenjie Zhu, Ling Wang
Summary: Vanadium redox flow battery (VRFB) is a promising renewable energy storage device, but its low energy efficiency has limitations. Improving the catalytic activity of carbon-based materials on vanadium ion through modification is crucial for further development. This review discusses research progress on modification from intrinsic treatment and introduction of catalysts.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Daniel Manaye Kabtamu, Yu-Zhen Li, Anteneh Wodaje Bayeh, Yun-Ting Ou, Zih-Jhong Huang, Tai-Chin Chiang, Hsin-Chih Huang, Chen-Hao Wang
Summary: This paper presents the successful fabrication of a low-cost platelike bismuth vanadate (BiVO4) material through a simple hydrothermal route, which is used as an electrocatalyst for the negative electrode in vanadium redox flow batteries (VRFBs). The BiVO4-decorated graphite felt (GF) electrode exhibits optimal electrocatalytic activity and reversibility for the redox reactions. The VRFB cell assembled with BiVO4-GF as the negative electrode demonstrates higher energy efficiency and stability compared to the cell with a heat-treated graphite felt (HT-GF) electrode.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Dixuan Cheng, Wenjie Zhu, Jiayi Gao, Jin Li, YuJie Yang, Lei Dai, Yongguang Liu, Ling Wang, Zhangxing He
Summary: In this paper, a vanadium redox flow battery carbon nanofiber electrode (CNF-700-4) with high graphitization, large specific surface area and high porosity was prepared by introducing ferric ammonium citrate (FAC). The effects of FAC content and calcination temperature on the electrochemical properties of carbon nanofiber electrode was systematically studied. CNF-700-4 exhibited excellent electrocatalytic activity and reversibility towards VO2+/VO2+ and V2+/V3+ redox couples among all electrodes.
APPLIED SURFACE SCIENCE
(2022)
Article
Electrochemistry
Alexandros Pasadakis-Kavounis, Funda Arslan, Mads Radmer Almind, David Aili, Johan Hjelm
Summary: In this study, a series of polybenzimidazole-polyvinylchloride polymer blends decorated with different quaternary ammonium groups were investigated. The blend with 90% polybenzimidazole content and decorated with DABCO showed superior performance, including low polarization resistance, low swelling, and high stability in acidic media. This suggests that quaternary ammonium functionalized polybenzimidazole-polyvinylchloride systems are excellent candidates for modification or fabrication of thinner membranes to reduce membrane resistance without compromising vanadium blocking properties.
BATTERIES & SUPERCAPS
(2023)
Article
Engineering, Chemical
Debabrata Mohanty, Yi-Hung Wang, Ya-Chen Tsai, I-Ming Hung
Summary: Vanadium oxide is an environmentally friendly material, but its economic utilization is challenging due to the inability to control the size of etched holes. In this study, copper/graphite felt composite electrodes with controllable hole depth were prepared by electrodeposition and etching. The composite electrodes exhibited good material characteristics and electrochemical performance under specific etching temperature and time conditions.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2023)
Article
Chemistry, Physical
Justyna Piwek, Gabriel Gonzalez, Pekka Peljo, Elzbieta Frackowiak
Summary: In this study, carbon felt electrodes were chemically treated with an alkali metal salt to improve their electrochemical performance. The results showed that the chemically treated electrodes exhibited better performance with lower overpotentials and higher efficiencies. Additionally, the oxidation time of the electrodes could be significantly reduced by using a nitrate salt oxidation method.
Article
Chemistry, Physical
Minseong Kim, Jeongmok Park, Gyuchan Yeo, Minseong Ko, Haeseong Jang
Summary: In this study, a novel strategy was proposed for uniformly implanting multiwall carbon nanotubes in electrode materials such as graphite felt, to develop efficient electron-networked electrodes. The weed root-like morphology of the electrode improved the charge transfer ability and minimized the increase in overpotential even after 1000 cycles of stability test. Therefore, the proposed CNT implanted electrode can be used as an alternative design in practically feasible vanadium redox flow batteries, exhibiting sustainable electrochemical performance.
Review
Chemistry, Physical
Jungmyung Kim, Heesung Park
Summary: Vanadium redox flow battery (VRFB) technology provides a balanced solution for large-capacity energy storage and plays an important role in power management. Optimizing mass transfer effects in micro-scale porous electrodes is a major challenge in VRFB applications. This review paper summarizes current research on mass transfer phenomena in the porous electrodes of flow cells using redox couples.
JOURNAL OF POWER SOURCES
(2022)
Article
Multidisciplinary Sciences
Hsiang-Ting Lien, Sun-Tang Chang, Po-Tuan Chen, Deniz P. Wong, Yu-Chung Chang, Ying-Rei Lu, Chung-Li Dong, Chen-Hao Wang, Kuei-Hsien Chen, Li-Chyong Chen
NATURE COMMUNICATIONS
(2020)
Article
Multidisciplinary Sciences
He-Yun Du, Yi-Fan Huang, Deniz Wong, Mao-Feng Tseng, Yi-Hsin Lee, Chen-Hao Wang, Cheng-Lan Lin, Germar Hoffmann, Kuei-Hsien Chen, Li-Chyong Chen
Summary: High spatial resolution techniques such as near-field scanning electrochemical microscopy and redox mapping were used to study heterogeneous charge transfer behavior of layered MoS2 flakes in organic solutions, providing insights into area and layer-dependent reactivity. This study also revealed a band alignment occurring at the liquid-solid interface through detailed analysis of local processes such as band offset and faradaic current confinement.
NATURE COMMUNICATIONS
(2021)
Article
Energy & Fuels
Yusuf Pradesar, Hsueh-Yu Chen, Kai-Chin Wang, Afandi Yusuf, Hsin-Chih Huang, Chen-Hao Wang
Summary: PtCo/n-NCS, supported by natto-like N-doped carbon spheres, shows excellent catalytic activity and high durability for the ORR, with a high electron-transfer number and Pt mass activity. The n-NCS provide a large surface area and graphitic-N structures to enhance the four-electron transfer.
Article
Chemistry, Multidisciplinary
Hsueh-Yu Chen, Yu-Chung Chang, Jyh-Fu Lee, Chih-Wen Pao, Hsin-Chih Huang, Chen-Hao Wang
Summary: The research demonstrates the unique three-dimensional layered hydrangea-like structure of amorphous CoOOH deposited on nickel and copper foam, showing high activity in the oxygen evolution reaction at an overpotential. The study also reveals the stability and high activity of this structure in water electrolysis.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Chemistry, Physical
Hsueh-Yu Chen, Guan-Cheng Chen, Kuo-Wei Liao, Wen-Hui Wei, Hsin-Chih Huang, Chen-Hao Wang
Summary: This study presents a rapid and efficient method to produce hybrid catalysts for water electrolysis using microwave-assisted hydrothermal synthesis. The catalysts with a unique structure can prevent cracking of the catalytic layer, ensuring long-term efficiency in water electrolysis.
Article
Chemistry, Physical
Yi-Fan Huang, Kuan-Wei Liao, Fariz Rifqi Zul Fahmi, Varad A. Modak, Shang-Hsuan Tsai, Shang-Wei Ke, Chen-Hao Wang, Li-Chyong Chen, Kuei-Hsien Chen
Summary: The thickness optimization of transition metal dichalcogenides (TMDs) enhances their photocatalytic activity, as demonstrated in this study on ultra-thin molybdenum disulfide films (MoS2TF) with 25 nm thickness. A proposed photocatalytic mechanism corresponding to the TMDs' thickness provides a direction for the design of high-performance photocatalysts.
Article
Chemistry, Physical
Yun-Ting Ou, Daniel Manaye Kabtamu, Anteneh Wodaje Bayeh, Hung-Hsien Ku, Yu-Lin Kuo, Yao-Ming Wang, Ning-Yih Hsu, Tai-Chin Chiang, Hsin-Chih Huang, Chen-Hao Wang
Summary: The study demonstrates that metal-organic frameworks (MOF)-derived catalysts (MDC) fabricated using carbonization techniques at different sintering temperatures can significantly enhance the performance of vanadium redox flow battery (VRFB). The VRFB assembled with MOF-derived catalyst modified graphite felt (MDC-GF-900) shows 3.9% higher energy efficiency (EE) at 100 mA cm(-2) compared to the VRFB with pristine graphite felt, as well as 31% and 107% higher capacity at 80 and 100 mA cm(-2), respectively.
Article
Chemistry, Multidisciplinary
Chih-Hung Chen, Jian-Ming Chiu, Indrajit Shown, Chen-Hao Wang
Summary: In recent years, there has been a growing demand for flexible energy storage devices in flexible electronic systems. This research focuses on developing reliable electrodes with high mechanical flexibility, good electronic and lithium-ion conductivity. It introduces a novel approach to fabricate LTO/Cu nanostructures on a thin copper foil, providing essential flexibility to the electrode and demonstrating its potential in high-density and flexible commercial lithium-ion batteries.
Article
Chemistry, Multidisciplinary
Anteneh Wodaje Bayeh, Daniel Manaye Kabtamu, Yun-Ting Ou, Ning-Yih Hsu, Hung-Hsien Ku, Yao-Ming Wang, Tai-Chin Chiang, Hsin-Chih Huang, Chen-Hao Wang
Summary: N-doped tungsten carbide nanowires were prepared and used to enhance the electrochemical capability of graphite felt electrodes in vanadium redox flow batteries. The nanowires exhibited a significant electrocatalytic effect on the redox reactions and provided more active sites, resulting in optimal electrochemical activity and higher energy and voltage efficiencies.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Chemistry, Physical
Hamed Cheshideh, Hsueh-Yu Chen, Kuo-Wei Liao, Kai-Chin Wang, Guan-Cheng Chen, Hsin-Chih Huang, Chen-Hao Wang
Summary: This study investigates the improved Ni nanoparticles grafted TiO2 nanotubes electrode with surface reconstruction for the facile hydrogen evolution reaction (HER) in alkaline and chloride solutions. The surface reconstruction creates heterojunction intermediates on the Ni nanoparticles and contributes to the low overpotential of the electrode in 1.0 M KOH solution. The electrode also shows good HER performance in acidic NaCl solution and exhibits long-term stability, making it a promising alternative to precious electrocatalysts in corrosive media.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Daniel Manaye Kabtamu, Yu-Zhen Li, Anteneh Wodaje Bayeh, Yun-Ting Ou, Zih-Jhong Huang, Tai-Chin Chiang, Hsin-Chih Huang, Chen-Hao Wang
Summary: This paper presents the successful fabrication of a low-cost platelike bismuth vanadate (BiVO4) material through a simple hydrothermal route, which is used as an electrocatalyst for the negative electrode in vanadium redox flow batteries (VRFBs). The BiVO4-decorated graphite felt (GF) electrode exhibits optimal electrocatalytic activity and reversibility for the redox reactions. The VRFB cell assembled with BiVO4-GF as the negative electrode demonstrates higher energy efficiency and stability compared to the cell with a heat-treated graphite felt (HT-GF) electrode.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Yusuf Pradesar, Afandi Yusuf, Daniel Manaye Kabtamu, Hsin-Chih Huang, Chen-Hao Wang
Summary: This study synthesizes the nickel-cobalt supported by the metal-organic framework CPO-27 and g-C3N4, demonstrating outstanding catalytic activity and stability for oxygen reduction reaction in alkaline media. The AEMFC using NiCo2-CPO-27/PCN-HT in the cathode shows excellent performance with a maximum power density of 224.4 mW cm(-2), which is 20% higher than AEMFC using Pt/C under the same condition.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Chih-Hung Chen, Jian-Ming Chiu, Indrajit Shown, Chen-Hao Wang
Summary: This study fabricates flexible LiFePO4 free-standing electrodes through a scalable and straightforward solution-based etching process, which exhibit capacities and bending performances similar to conventional electrodes. It opens up a new avenue for the development of low-cost and flexible lithium-ion batteries.
Review
Chemistry, Physical
Anteneh Wodaje Bayeh, Daniel Manaye Kabtamu, Yu-Chung Chang, Tadele Hunde Wondimu, Hsin-Chih Huang, Chen-Hao Wang
Summary: Vanadium redox flow batteries (VRFBs) are a promising electrochemical energy storage system for large-scale applications, but their high production cost and relatively low energy efficiency are still limiting factors. The electrode is a critical component that significantly impacts the effectiveness and cost of VRFBs, and the development of an ideal electrocatalyst with specific properties is essential. Various modification methods for VRFB electrodes have been researched to enhance energy density and overall performance, while challenges in electrode materials development and future research directions are also discussed.
SUSTAINABLE ENERGY & FUELS
(2021)
Article
Chemistry, Multidisciplinary
Sun-Tang Chang, Huan-Ping Jhong, Yu-Chung Chang, Chia-Chi Liu, Tai-Chin Chiang, Hsin-Chih Huang, Chen-Hao Wang
Article
Chemistry, Physical
Tianyu Chen, Zhibin Lu, Guangjin Zeng, Yongmin Xie, Jie Xiao, Zhifeng Xu
Summary: The study introduces a high-performance LSGM electrolyte-supported tubular DC-SOFC stack for portable applications, which shows great potential in developing into high-performing, efficient, and environmentally friendly portable power sources for distributed applications.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Wenbin Tong, Yili Chen, Shijie Gong, Shaokun Zhu, Jie Tian, Jiaqian Qin, Wenyong Chen, Shuanghong Chen
Summary: In this study, a three-dimensional porous NiO interface layer with enhanced anode dynamics is fabricated, forming a Schottky contact with the zinc substrate, allowing rapid and uniform zinc plating both inside and below the interface layer. The resulting NiO@Zn exhibits exceptional stability and high capacity retention.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yafeng Bai, Kaidi Li, Liying Wang, Yang Gao, Xuesong Li, Xijia Yang, Wei Lu
Summary: In this study, a flexible zinc ion supercapacitor with gel electrolytes, porous alpha-MnO2@reduced graphene oxide cathode, and activated carbon/carbon cloth anode was developed. The device exhibits excellent electrochemical performance and stability, even at low temperatures, with a high cycle retention rate after 5000 cycles.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Anmol Jnawali, Matt D. R. Kok, Francesco Iacoviello, Daniel J. L. Brett, Paul R. Shearing
Summary: This article presents the results of a systematic study on the electrochemical performance and mechanical changes in two types of commercial batteries with different anode chemistry. The study reveals that the swelling of anode layers in batteries with silicon-based components causes deformations in the jelly roll structure, but the presence of a small percentage of silicon does not significantly impact the cycling performance of the cells within the relevant state-of-health range for electric vehicles (EVs). The research suggests that there is room for improving the cell capacities by increasing the silicon loading in composite anodes to meet the increasing demands on EVs.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yohandys A. Zulueta, My Phuong Pham-Ho, Minh Tho Nguyen
Summary: Advanced atomistic simulations were used to study ion transport in the Na- and K-doped lithium disilicate Li2Si2O5. The results showed that Na and K doping significantly enhanced Li ion diffusion and conduction in the material.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Zongying Han, Hui Dong, Yanru Yang, Hao Yu, Zhibin Yang
Summary: An efficient phase inversion-impregnation approach is developed to fabricate BaO-decorated Ni8 mol% YSZ anode-supported tubular solid oxide fuel cells (SOFCs) with anti-coking properties. BaO nanoislands are successfully introduced inside the Ni-YSZ anode, leading to higher peak power densities and improved stability in methane fuel. Density functional theory calculations suggest that the loading of BaO nanoislands facilitates carbon elimination by capturing and dissociating H2O molecules to generate OH.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Suresh Mamidi, Dan Na, Baeksang Yoon, Henu Sharma, Anil D. Pathak, Kisor Kumar Sahu, Dae Young Lee, Cheul-Ro Lee, Inseok Seo
Summary: Li-CO2 batteries, which utilize CO2 and have a high energy density, are hindered in practical applications due to slow kinetics and safety hazards. This study introduces a stable and highly conductive ceramic-based solid electrolyte and a metal-organic framework catalyst to improve the safety and performance of Li-CO2 batteries. The optimized Li-CO2 cell shows outstanding specific capacity and cycle life, and the post-cycling analysis reveals the degradation mechanism of the electrodes. First-principles calculations based on density functional theory are also performed to understand the interactions between the catalyst and the host electrode. This research demonstrates the potential of MOF cathode catalyst for stable operation in Li-CO2 batteries.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Ganghua Xiang, Zhihuan Qiu, Huilong Fei, Zhigang Liu, Shuangfeng Yin, Yuen Wu
Summary: In this study, a CeFeOx-supported Pt single atoms and subnanometric clusters catalyst was developed, which exhibits enhanced catalytic activity and stability for the preferential oxidation of CO in H2-rich stream through synergistic effect.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Dimitrios Chatzogiannakis, Marcus Fehse, Maria Angeles Cabanero, Natalia Romano, Ashley Black, Damien Saurel, M. Rosa Palacin, Montse Casas-Cabanas
Summary: By coupling electrochemical testing to operando synchrotron based X-ray absorption and powder diffraction experiments, blended positive electrodes consisting of LiMn2O4 spinel (LMO) and layered LiNi0.5Mn0.3Co0.2O2 (NMC) were studied to understand their redox mechanism. It was found that blending NMC with LMO can enhance energy density at high rates, with the blend containing 25% LMO showing the best performance. Testing with a special electrochemical setup revealed that the effective current load on each blend component can vary significantly from the nominal rate and also changes with SoC. Operando studies allowed monitoring of the oxidation state evolution and changes in crystal structure, in line with the expected behavior of individual components considering their electrochemical current loads.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Chiara Cementon, Daniel Dewar, Thrinathreddy Ramireddy, Michael Brennan, Alexey M. Glushenkov
Summary: This Perspective discusses the specific power and power density of lithium-ion capacitors, highlighting the fact that their power characteristics are often underestimated. Through analysis, it is found that lithium-ion capacitors can usually achieve power densities superior to electrochemical supercapacitors, making them excellent alternatives to supercapacitors.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Weihao Wang, Hao Yu, Li Ma, Youquan Zhang, Yuejiao Chen, Libao Chen, Guichao Kuang, Liangjun Zhou, Weifeng Wei
Summary: This study achieved an improved electrolyte with excellent low-temperature and high-voltage performance by regulating the Li+ solvation structure and highly concentrating it. The electrolyte exhibited outstanding oxidation potential and high ionic conductivity under low temperature and high voltage conditions, providing a promising approach for the practical application of high-voltage LIBs.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Martin Bures, Dan Gotz, Jiri Charvat, Milos Svoboda, Jaromir Pocedic, Juraj Kosek, Alexandr Zubov, Petr Mazur
Summary: Vanadium redox flow battery is a promising energy storage solution with long-term durability, non-flammability, and high overall efficiency. Researchers have developed a mathematical model to simulate the charge-discharge cycling of the battery, and found that hydraulic connection of electrolyte tanks is the most effective strategy to reduce capacity losses, achieving a 69% reduction.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
M. Rodriguez-Gomez, J. Campo, A. Orera, F. de La Fuente, J. Valenciano, H. Fricke, D. S. Hussey, Y. Chen, D. Yu, K. An, A. Larrea
Summary: In this study, we analysed the operando performance of industrial lead cells using neutron diffraction experiments. The experiments revealed the evolution of different phases in the positive electrode, showed significant inhomogeneity of phase distribution inside the electrode, and estimated the energy efficiency of the cells.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Jiawei Liu, Chenpeng Wang, Yue Yao, Hao Ye, Yinglong Liu, Yingli Liu, Xiaoru Xu, Zhicong Chen, Huazheng Yang, Gang Wu, Libin Lei, Chao Wang, Bo Liang
Summary: The study focuses on utilizing double conductive Ni-pads as anode collectors in micro-tubular solid oxide fuel cells. The simulation results show excellent performance and stability of DCNPs, and also highlight the potential applications in various fields.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yang Wang, Kangjie Zhou, Lang Cui, Jiabing Mei, Shengnan Li, Le Li, Wei Fan, Longsheng Zhang, Tianxi Liu
Summary: This study presents a polyimide sandwiched separator (s-PIF) for improving the cycling stability of Li-metal batteries. The s-PIF separator exhibits superior mechanical property, electrolyte adsorption/retention and ion conductivity, and enables dendrite-free Li plating/stripping process.
JOURNAL OF POWER SOURCES
(2024)
