Article
Chemistry, Physical
Xu Wu, Xingchen Xie, Huanhuan Zhang, Ke-Jing Huang
Summary: This study demonstrates a high-performance anode material for sodium storage by constructing hierarchical MoS2 nanosheets assembled hollow spheres. The prepared hollow structure enables rapid and stable electron/sodium ion transport, leading to high specific capacity and excellent capacity retention of MoS2 anodes. This work provides a facile way towards high performance MoS2 anode materials for sodium-ion battery.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Zhiqiang Wei, Tingli Yu, Lizhi Qian, Jiayuan Chen, Zhiyuan Wang, Yanguo Liu, Hongyu Sun, Wei Huang
Summary: In this study, metallic phase MoS2 ultrathin nanosheets were in-situ grown on chemically activated hollow carbon spheres, and the composite electrode showed excellent storage characteristics. The 3D conductive structures improved conductivity and shortened the ion diffusion path, while buffering volume expansion and preventing agglomeration of the nanosheets.
SOLID STATE IONICS
(2022)
Review
Electrochemistry
Hui Zhang, Yashi Wang, Shilong Guo, Yiqing Hui, Hanyue Wei, Jianjun Song, Xiaoxian Zhao
Summary: This paper summarized the preparation techniques of MoS2 hollow structural materials with different dimensions, including the hard template, soft template, self-template, and template-free approaches. The 0D hollow MoS2 exhibits improved diffusion kinetics of ions and electrons and restricts the stacking of MoS2. In addition, the 1D and 3D hollow MoS2 provide oriented electron diffusion and perforative pores for electrolyte permeation and more active sites, resulting in excellent rate capability and cycling stability. This paper provides inspiration for constructing MoS2 hollow structural materials and offers constructive suggestions for synthesizing hollow materials with excellent electrochemical performance.
BATTERIES & SUPERCAPS
(2023)
Article
Chemistry, Physical
Thi Luu Luyen Doan, Dinh Chuong Nguyen, R. Amaral, Nelson Y. Dzade, Cheol Sang Kim, Chan Hee Park
Summary: This work develops a multifunctional separator, as trapper-catalyst-conductor, for Li-S batteries. The separator demonstrates high-efficiency polysulfide trapping and efficient catalytic behavior. The super-structured substrate prevents agglomeration and facilitates electron transportation, while the mesoporous architecture facilitates Li ion diffusion.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Nanoscience & Nanotechnology
Sijia Li, Yutong Li, Zejun Zhao, Fang Wang, Xiaobing Bao, Chentao Hao, Zilong Tang, Yong Yang
Summary: Engineering a hollow architecture has been recognized as an efficient strategy for enhancing energy storage and conversion. In this study, hollow hierarchical carbon nanotubes combined with MoS2 nanosheets were successfully designed and fabricated to improve the performance of lithium-/sodium-ion batteries. The electrode exhibited outstanding storage capacity and ultrastable cycling stability for lithium-/sodium-ion storage, highlighting the potential for boosting the development of electrochemical energy storage.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Physical
Ruipeng Wei, Yutao Dong, Yingying Zhang, Xiyang Kang, Xia Sheng, Jianmin Zhang
Summary: A hollow nanocube MnS-CoS2-NC@NC anode material with excellent electrochemical performance was synthesized through simple one-step calcination, containing two kinds of nitrogen-doped carbon to enhance overall conductivity, rapid ion transmission, cycle stability, and outstanding rate performance in sodium ion batteries. The material showed high specific capacity and outstanding rate performance in half-cell and full-cell tests, and in-situ and ex-situ X-ray diffraction tests revealed reversible reduction and oxidation of CoS2 and MnS during the charging and discharging processes.
Article
Materials Science, Multidisciplinary
Bin Qin, Qun Wang, Weiqi Yao, Yifei Cai, Yuhan Chen, Pengcheng Wang, Yongchun Zou, Xiaohang Zheng, Jian Cao, Junlei Qi, Wei Cai
Summary: Constructing heterojunctions and hollow multi-shelled structures are two promising strategies to improve the performance of lithium-sulfur batteries. This study designs Mn3O4-MnS heterogeneous multi-shelled hollow spheres as encapsulation hosts, which demonstrate excellent rate capability and cyclability, as well as high areal capacity. This work provides inspiration for the rational design of hollow multi-shelled heterostructure in electrocatalysis applications.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Jianyun Zhao, Yuxiao Yang, Chuan Jiang, Nawab Ali Khan, Xin Jia, Hongyang Zhao, Shujiang Ding
Summary: A new ship in bottle strategy was proposed to synthesize MnS@C sodium ion battery anode with yolk-shell nanostructure, which showed stable cycle stability with a capacity of 336 mAh g(-1) after 200 cycles at 0.5 A g(-1) current density.
Article
Chemistry, Physical
Ji Ma, Chunting Liu, Chuandong Song
Summary: In this work, hollow tetrapod structures were constructed by stacking MoS2 nanoflakes, showing great potential as anode materials in potassium-ion batteries. The interconnected architecture with high porosity facilitated electrolyte penetration and K+-ion accessibility, while reducing diffusion distance. The structure also provided ample room for volume changes and transferred lattice stress for high structural stability. Moreover, the structure enhanced electrical conductivity and K+-ion transport, resulting in excellent cyclability and rate capability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Engineering, Environmental
Zhenyan Liang, Mingzhi Yang, Shouzhi Wang, Bin Chang, Huayao Tu, Yongliang Shao, Baoguo Zhang, Huaping Zhao, Yong Lei, Jianxing Shen, Yongzhong Wu, Xiaopeng Hao
Summary: The study introduces a method to prepare hollow nickel-cobalt-manganese selenide submicrospheres, which exhibit superior lithium and sodium storage capacity, high reversible capacity, and good cycling stability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Gang Chen, Ximin Li, Tianbiao Zeng, Rui Han, Qian Wang
Summary: The carbon-coated Sn2S3 hollow spheres (Sn2S3@CHS) exhibit excellent cyclability and rate performance, making them a promising anode material for sodium-ion batteries (SIBs).
Article
Chemistry, Physical
Lin-bo Tang, Bao Zhang, Tao Peng, Zhen-jiang He, Cheng Yan, Jing Mao, Kehua Dai, Xian-wen Wu, Jun-chao Zheng
Summary: SnS, a two-dimensional layered material, shows promising potential for sodium storage as an anode material due to its high theoretical capacity and large interlayer spacing, despite challenges such as large volume expansion and low electronic conductivity. The synthesis of a MoS2/SnS@C hollow hierarchical nanotube structure can effectively enhance structural stability and increase capacitance contribution ratio. Utilization of these composites as anode materials in sodium-ion batteries results in excellent rate and cycle performance.
Article
Chemistry, Physical
Jinyang Wu, Mingjun Jing, Tianjing Wu, Mingguang Yi, Yansong Bai, Wenhui Deng, Yirong Zhu, Yingchang Yang, Xianyou Wang
Summary: Mo-based heterostructures, specifically MoO2/MoS2 hollow nanospheres, exhibit improved electrochemical properties in sodium-ion batteries due to the synergistic effect between MoO2 and MoS2, as well as their unique layered structures. These hollow nanospheres display enhanced rate performance and cycling stability, making them a promising material for energy storage applications.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Kaihang She, Ying Huang, Wanqing Fan, Meng Yu, Jiaxin Zhang, Chen Chen
Summary: In this study, a hierarchical flower-like MXene@MoS2 heterostructure with a distinctive three-dimensional porous hollow architecture was synthesized. This structure effectively addresses challenges related to self-aggregation of MoS2 nanosheets and volume expansion of the electrode material. The prepared electrode demonstrates outstanding reversible capacity and sustained stability over numerous cycles, highlighting its potential for various applications.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Engineering, Environmental
Akbar Mohammadi Zardkhoshoui, Bahareh Ameri, Saied Saeed Hosseiny Davarani
Summary: This paper synthesized NSH-MCS positive electrode with special morphology and demonstrated its excellent performance in hybrid supercapacitors, including high specific capacity, good rate performance, and significant cycling stability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Jiarun Li, Shiqiang Chen, Ning Wang, Lei Wang
Summary: The influence of Nd alloying on the microstructure and electrochemical behaviors of Mg-6 wt.% Al-3 wt.% Zn alloy was investigated. The results showed that appropriate Nd alloying can decrease the corrosion rate, but over alloying leads to accelerated corrosion.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Chemistry, Physical
Yue Wang, Zhi Chen, Qichang Li, Xinping Wang, Weiping Xiao, Yunlei Fu, Guangrui Xu, Bin Li, Zhenjiang Li, Zexing Wu, Lei Wang
Summary: The needle-like Ru-Fe-Ni-P prepared by corrosive engineering and low-temperature phosphorization exhibits excellent catalytic performance for overall water-splitting. It possesses a porous structure, rich active sites, and fast reaction kinetics, allowing efficient hydrogen production in both alkaline and neutral media. Additionally, it shows high stability and can be powered by sustainable energies to generate abundant hydrogen.
Article
Chemistry, Analytical
Rongxian Ma, Jiaxuan Jiang, Yanfei Ya, Yu Lin, Yuyi Zhou, Yeyu Wu, Xuecai Tan, KeJing Huang, Fangkai Du, Jingjuan Xu
Summary: Exploring new highly efficient electrochemiluminescence (ECL) luminophores is crucial for developing ultrasensitive ECL biosensors. In this study, a luminescent carbon dot-based covalent organic framework (CD-COF) was prepared and showed higher ECL intensity and efficiency than carbon dots alone. The CD-COF/S2O82-/Bu4N+ system exhibited significantly higher ECL intensity compared to other systems, and was successfully applied to construct an off-on ECL biosensor for BPA detection. The proposed biosensor demonstrated excellent performance with a wide linear range and low detection limit.
Article
Chemistry, Physical
Lili Guo, Jingqi Chi, Jiawei Zhu, Tong Cui, Jianping Lai, Lei Wang
Summary: In this study, Ru, P dual-doped NiMoO4 multichannel nanorods in-situ grown on nickel foam (Ru/P-NiMoO4@NF) are reported, which can achieve chlorine-free hydrogen production by coupling seawater splitting with thermodynamically favorable urea oxidation. The Ru/P-NiMoO4@NF exhibits bifunctional activity and shows good durability and low driving voltage requirements.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Xiaobin Liu, Huimin Mao, Guishan Liu, Qingping Yu, Siqi Wu, Bin Li, Guizhong Zhou, Zhenjiang Li, Lei Wang
Summary: In this study, a Cu-doped CoFe/Co/NC electrocatalyst was synthesized via metal doping and hetero-engineering. It exhibited excellent electrocatalytic activity for ORR, HzOR, and HER in alkaline seawater. The potential of Cu-CoFe/Co/NC as a multifunctional electrocatalyst for energy storage and conversion devices was also demonstrated.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Qian Zang, Xiaojun Cheng, Shujing Chen, Zhenyu Xiao, Kun-Peng Wang, Lingbo Zong, Qi Zhang, Lei Wang
Summary: In this study, sulfur-doped and oxygen-deficient rich H2V3O8 cathode with nanobelt structure is prepared, leading to improved Zn2+ diffusion kinetics and enhanced electrochemical performance. The zinc-ion batteries (ZIBs) based on this cathode exhibit high reversible capacity, significant energy density, and good stability, outperforming previous cathodes. The in-situ morphology and DFT calculations reveal the insertion and extraction of Zn2+ during the charging/discharging process, demonstrating the effectiveness of defect engineering in improving energy storage applications.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Pengxian Li, Junfeng Ren, Caixia Li, Jiaxu Li, Kai Zhang, Tingting Wu, Bin Li, Lei Wang
Summary: Interface engineering with MOF-CeO2 as a multi-functional protective layer effectively inhibits dendrite growth and side reactions in rechargeable zinc ion batteries. The crystal defects and negative Zeta potential provide active sites for Zn2+ transfer and high selectivity to cations, resulting in stable plating/stripping behavior and high Coulomb efficiency. Moreover, the protective layer significantly improves the overall performance of Zn||MnVO full battery, with high-capacity retention after 10,000 cycles.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Gangsheng Zhang, Yi Wang, Meng Chen, Jixiang Xu, Lei Wang
Summary: In this study, a carbon-doped Co3S4/CoSO4/MnO catalyst was prepared and used to activate peroxymonosulfate for the degradation of levofloxacin. The optimized catalyst showed efficient degradation of levofloxacin within a short period of time. The synergistic effect between the Co-based sulfide and the Mn oxide was found to enhance the activation efficiency of peroxymonosulfate.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Fanghui Wang, Qian Zhang, Zenghua Liu, Mingxiu Hou, Zhenjiang Li, Jie Liu, Rongfang Wang, Lei Wang
Summary: The shuttle effect of polysulfides and mechanical instability of the sulfur electrode are major challenges in the development of Li-S batteries. This study introduces a bifunctional lithium polysilicate (LSO) as a highly efficient adhesion agent and anchoring host. LSO exhibits strong chemisorption effect towards polysulfides and provides excellent adhesive property and mechanical strength, improving the stability of the sulfur cathode. The use of LSO as adhesion agent and anchoring host results in excellent cycling stability for the sulfur cathode.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Kai Zhang, Caixia Li, Yu Zhang, Xiaoni Liu, Minghui Wang, Lei Wang
Summary: A hierarchical porous Ni/NiO/C microsphere was introduced to address the issues of poor conductivity, shuttle effect, and slow electrochemical kinetics in Li-S batteries. The structure of the microsphere combined with its hollow and open features improved the electrochemical performances by acting as containers for sulfur immobilization and providing abundant active sites for chemical absorption of polysulfides. The S-injected microsphere cathode exhibited outstanding rate and long-cycle performances, paving the way for the commercial application of Li-S batteries.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Yinbing Liu, Jing Xu, Ke-Jing Huang, Lina Wang, Zhong Dong, Yujin Li
Summary: In this study, a advanced bimetallic sulfide composite material was synthesized by combining SnS2 and CuS2 using a simple solvothermal method. The Rubik's cube-like hollow structure significantly improved the Na-ion energy storage characteristics of the anode electrode on an experimental level and provided additional active sites for electrochemical reaction, thereby improving the overall electrochemical activity.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Analytical
Jing Xu, Yinbing Liu, Yujin Li, Yilin Liu, Ke-Jing Huang
Summary: This study establishes an ingenious sensor technology by integrating EBFCs on a flexible paper strip carrier (PE) for simultaneous detection of tumor markers in complex samples. The use of high-performance ultra-thin graphdiyne (U-GDY) as a substrate increases the enzyme load, accelerates the electron transfer rate, and significantly enhances the detection sensitivity. A homologous DNA nanomanager strategy cleverly utilizes signal switches to recycle and amplify target miRNAs, while a smartphone receives real-time instantaneous current values for multivariate detection.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Cuiwen Jiang, Liping Xie, Feiyan Yan, Zhongdan Liang, Jing Liang, Kejing Huang, Huiling Li, Yanli Wang, Lihong Luo, Tao Li, Dejiao Ning, Li Tang, Yu Ya
Summary: Ascorbic acid (AA) plays an important role in maintaining human health, but the development of highly sensitive AA sensors is limited. In this study, an ultrasensitive and selective electrochemical sensor based on an aptamer was developed for the determination of AA. The sensor showed wide linear response and low detection limit, as well as excellent selectivity and stability. It also demonstrated promising properties for the determination of AA in real food samples.
ANALYTICAL METHODS
(2023)
Article
Chemistry, Analytical
Yu Lin, Jiawen Wu, Yeyu Wu, Rongxian Ma, Yuyi Zhou, Jinyue Shi, Mingxiang Li, Xuecai Tan, Kejing Huang
Summary: An electrochemiluminescence (ECL) biosensor is constructed for ultrasensitive determination of miRNA-21. The biosensor utilizes AuNPs/GDY, GDYO QDs, and an oligonucleotide signal amplification strategy that integrates DNA walker and hybridization chain reaction (HCR) amplification. The biosensor demonstrates outstanding performance in the detection of miRNA-21 in the linear range from 0.1 fM to 1 nM, offering a new sensitive method for the clinical analysis of cancer biomarkers.
Article
Chemistry, Physical
Yue Wang, Zhi Chen, Qichang Li, Xinping Wang, Weiping Xiao, Yunlei Fu, Guangrui Xu, Bin Li, Zhenjiang Li, Zexing Wu, Lei Wang
Summary: This work demonstrates the synthesis of needle-like Ru-Fe-Ni-P catalyst with excellent catalytic performance for water electrolysis, offering a promising approach for eco-friendly hydrogen production.
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)
