Review
Energy & Fuels
Jiani Wang, Hailong Wang, Songyan Jia, Qin Zhao, Qiang Zheng, Yali Ma, Tianyi Ma, Xue Li
Summary: Lithium-sulfur (Li-S) batteries have a higher theoretical capacity and several advantages compared to lithium-ion batteries. However, issues like the shuttle effect of polysulfide and degradation of cycle stability hinder their practical application. Functionalized membranes offer a key approach to address these challenges. Recent research has focused on mitigating the shuttling effect and improving cycle stability through membrane functionalization. This paper provides a comprehensive review of recent progresses and predicts future research trends in this area.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Xiaoshi Lang, Ruiyin Ren, Xinxi Wang, Lan Li, Kedi Cai
Summary: Cu2+ regulated Fe2O3 nanospheres were prepared as high-performance matrixes for sulfur composite cathodes of lithium-sulfur batteries via a facile hydrothermal method, effectively solving the issues of sulfur insulation, volume alternation, and shuttle effect.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Polymer Science
Hyukmin Kweon, William Kim-Shoemaker
Summary: This study applied a conductive, flexible, and easily modified polymer composite layer in lithium sulfur batteries to mitigate lithium dissolution and polysulfide shuttle effect. The results showed that the polymer composite layer reduced the amount of lithium polysulfide species and dissolved lithium ions in the batteries.
Article
Chemistry, Multidisciplinary
Quanbing Liu, Yujie Wu, Dong Li, Yan-Qi Peng, Xinyan Liu, Bo-Quan Li, Jia-Qi Huang, Hong-Jie Peng
Summary: Dilute alloying is proven to be effective in enhancing the reaction kinetics and performance of metal nitride electrocatalysts for lithium-sulfur batteries. By incorporating dilute cobalt alloying in titanium nitride, the high rate capacity of Li-S batteries is increased by a factor of two and a negligible cyclic decay rate is achieved. This work sheds light on the rational design of Li-S electrocatalysts and provides insights into complex domain-catalyzed reactions in energy applications.
ADVANCED MATERIALS
(2023)
Article
Electrochemistry
Linghui Yu, Samuel Jun Hoong Ong, Xianhu Liu, Daniel Mandler, Zhichuan J. Xu
Summary: The dissolution of polysulfides in ether-based electrolytes is necessary for high capacity in lithium-sulfur batteries, suggesting that preventing polysulfide dissolution in such electrolytes might not be the right approach. Other strategies should be developed for designing electrolyte/cathode for high-energy LSBs.
ELECTROCHIMICA ACTA
(2021)
Article
Nanoscience & Nanotechnology
Qian Li, Yasai Wang, Yang Wang, Liwen Yang, Yanxiao Chen, Xiaodong Guo, Zhenguo Wu, Benhe Zhong, Wei Xiang
Summary: The use of molybdenum dioxide coated with carbon composite (MoO2@C) as a coating on the separator of lithium-sulfur batteries can significantly improve the battery's electrochemical performance by reducing the loss of active substances through the synergistic effect of physical barrier and chemical adsorption.
Review
Chemistry, Applied
Jingfa Li, Zhihao Niu, Cong Guo, Min Li, Weizhai Bao
Summary: LSBs are seen as potential successors to LIBs due to higher energy density and cost effectiveness, but face challenges such as insulation and active material loss. Introducing high-conductivity hosts and trace catalysts can improve electrochemical performance.
JOURNAL OF ENERGY CHEMISTRY
(2021)
Article
Chemistry, Physical
Lin Sun, Yanxiu Liu, Kaiqiang Zhang, Feng Cheng, Ruiyu Jiang, Yangqing Liu, Jing Zhu, Zhong Jin, Huan Pang
Summary: This study presents a novel design of hollow cubic carbon embedded with highly dispersed cobalt nanoclusters as an effective sulfur reservoir for lithium-sulfur batteries. The hosting structure exhibits high capacity retention, superior rate performance, and strong physical confinement and chemical absorption capability, due to the large cavity structure and well-dispersed cobalt nanoclusters.
Article
Electrochemistry
Yan Yuan, Zhengqian Li, Xiuping Peng, Kesi Xue, Manbo Liu, Zhao Fang, Lianli Wang, Huiling Du, Hai Lu
Summary: A novel PS gel cathode, which integrates a functional polymer gel network into carbon cloth as the supporting matrix, effectively addresses the drawbacks of Lithium-polysulfide semiflow battery. The unique cell configuration demonstrates increased reversible capacity, sustainable long-term cycling stability, and superior rate capability.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Jian Huang, Sanfeng Dong, Guokun Xie
Summary: In this study, hierarchical Fe2O3/Ketjen black (HFO/KB) composites were developed to enhance the cycle performance of lithium-sulfur batteries. By promoting chemical adsorption of polysulfide, the composites effectively suppress the polysulfide shuttle effect and improve the utilization of active sulfur. The results show that the HFO/KB@S composites have great potential as cathode materials for commercial applications of lithium-sulfur batteries.
Article
Chemistry, Physical
Poonam Rani, Krishna Kumar Sarode, Mayur Gaikwad, Anil D. Pathak, Chandra S. Sharma
Summary: The introduction of a dense fractal-like candle soot carbon cloud on a 3D glass fiber paper as an interlayer has shown to significantly improve the performance of Lithium-Sulfur batteries by addressing the issues of sulfur insulation and Li-polysulfide shuttling. The use of activated candle soot and sulfur composite as an electrode material has led to high initial discharge capacity, excellent cyclic stability, and long-term reversible capacity and coulombic efficiency, even at high charge/discharge rates. Additionally, impedance analysis, H-cell adsorption testing, and shuttle factor calculations further support the overall enhancement of Li-S battery performance.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Chao Liu, Pengfei Wu, Xiaozhong Chen, Chong Gu, Shaohong Chen, Xue Mei, Anhua Liu
Summary: In this study, a porous polypyrrole-coated cobalt-rich bimetallic oxide (CoFe2O4 @PPy) is designed to alleviate the shuttle effect of lithium polysulfide and improve the cycling life of lithium-sulfur battery. The physical and chemical constraints applied to LiPS show significant synergy, resulting in excellent performance of the CoFe2O4 @PPy/S composite cathode.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Zonghan Zhang, Baofeng Wang, Shunlong Ju, Zhijun Wu, Yaxiong Yang, Hongge Pan, Xuebin Yu
Summary: The Mg-S battery shows promise as a next-generation battery system for large-scale energy storage. However, challenges such as rapid capacity loss and low polysulfide utilization due to the poly sulfide shuttle effect need to be addressed. This review aims to evaluate the progress in improving the shuttle effect in Mg-S batteries and provides a comprehensive analysis of current research.
ENERGY STORAGE MATERIALS
(2023)
Article
Chemistry, Physical
Raphael Richter, Joachim Haecker, Zhirong Zhao-Karger, Timo Danner, Norbert Wagner, Maximilian Fichtner, K. Andreas Friedrich, Arnulf Latz
Summary: Metal-sulfur (Me-S) batteries show promise but face challenges such as fast capacity loss, low power density, and fast self-discharge. This study uses a pseudo-two-dimensional continuum model to analyze degradation behavior during cycling of Li-S and Mg-S batteries, focusing on the redistribution of active sulfur and its impact on long-term stability.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Chao Yue Zhang, Chaoqi Zhang, Guo Wen Sun, Jiang Long Pan, Li Gong, Geng Zhi Sun, Jordi Jacas Biendicho, Lluis Balcells, Xiao Long Fan, Joan Ramon Morante, Jin Yuan Zhou, Andreu Cabot
Summary: The study demonstrates that using an external magnetic field in lithium-sulfur batteries can significantly improve the LiPS adsorption ability and Li-S reaction kinetics. The electron spin polarization of Co ions reduces electron repulsion and enhances orbital hybridization, resulting in LSBs with unprecedented performance and stability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Cheng-Bin Jin, Nan Yao, Ye Xiao, Jin Xie, Zeheng Li, Xiang Chen, Bo-Quan Li, Xue-Qiang Zhang, Jia-Qi Huang, Qiang Zhang
Summary: Lithium (Li)-metal batteries suffer severe capacity deterioration at extreme temperatures due to increased kinetic barrier of interfacial processes. This study quantitatively probes the interfacial kinetics in three different electrolytes and reveals that desolvation is the limiting step dominating the cell impedance and capacity at low temperature. The use of a 1,3-dioxolane-based electrolyte with tamed solvent-solute interaction facilitates fast desolvation and enables practical Li|LiNi0.5Co0.2Mn0.3O2 cells at -40 degrees C to retain 66% of room-temperature capacity and withstand fast charging rates. The barrier of desolvation dictated by solvent-solute interaction environments is quantitatively uncovered, and regulating this interaction emerges as a promising solution to low-temperature batteries.
ADVANCED MATERIALS
(2023)
Article
Engineering, Chemical
Juan Wang, Chang-Xin Zhao, Jia-Ning Liu, Ding Ren, Xinzhi Ma, Bo-Quan Li, Jia-Qi Huang, Qiang Zhang
Summary: This study proposes a strategy for composing atomic transition metal sites to fabricate high-active bifunctional oxygen electrocatalysts for high-performance rechargeable zinc-air batteries.
Article
Chemistry, Multidisciplinary
Feng-Ni Jiang, Xin-Bing Cheng, Shi-Jie Yang, Jin Xie, Hong Yuan, Lei Liu, Jia-Qi Huang, Qiang Zhang
Summary: A novel electrolyte system with thermoresponsive characteristics is designed to enhance the thermal safety of lithium-metal batteries. The introduction of VC and azodiisobutyronitrile results in the formation of abundant poly(VC) in the solid electrolyte interphase, which improves the thermal stability of SEI. This electrolyte not only prevents direct contact between electrodes, but also reduces exothermic reactions between electrodes and electrolytes, thus increasing the thermal safety of the batteries.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Quanbing Liu, Yujie Wu, Dong Li, Yan-Qi Peng, Xinyan Liu, Bo-Quan Li, Jia-Qi Huang, Hong-Jie Peng
Summary: Dilute alloying is proven to be effective in enhancing the reaction kinetics and performance of metal nitride electrocatalysts for lithium-sulfur batteries. By incorporating dilute cobalt alloying in titanium nitride, the high rate capacity of Li-S batteries is increased by a factor of two and a negligible cyclic decay rate is achieved. This work sheds light on the rational design of Li-S electrocatalysts and provides insights into complex domain-catalyzed reactions in energy applications.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Applied
Qian Cheng, Zi-Xian Chen, Xi-Yao Li, Li-Peng Hou, Chen -Xi Bi, Xue-Qiang Zhang, Jia-Qi Huang, Bo-Quan Li
Summary: This study successfully constructs a Li-S pouch cell with an energy density of 700 Wh kg-1, achieving high specific capacity and energy density through optimization of the structure and components.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Article
Energy & Fuels
Feng-Ni Jiang, Shi-Jie Yang, Xin-Bing Cheng, Hong Yuan, Lei Liu, Jia-Qi Huang, Qiang Zhang
Summary: This study investigates the reactions between the anode, cathode, and electrolyte in lithium metal batteries and their contribution to thermal runaway. The authors propose the use of polyethylene glycol as a thermal safety modifier to mitigate these reactions. Experimental results show that the addition of polyethylene glycol reduces the heat release and temperature peak of the cell components, enhancing the thermal stability of lithium metal batteries.
Article
Chemistry, Multidisciplinary
Yiran Liu, Meng Zhao, Li-Peng Hou, Zheng Li, Chen-Xi Bi, Zi-Xian Chen, Qian Cheng, Xue-Qiang Zhang, Bo-Quan Li, Stefan Kaskel, Jia-Qi Huang
Summary: Using dimethyl diselenide (DMDSe) as a redox comediator can enhance the sulfur redox kinetics and suppress the parasitic reactions in Li-S batteries, resulting in high energy density and long cycling stability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Li-Peng Hou, Yuan Li, Zheng Li, Qian-Kui Zhang, Bo-Quan Li, Chen-Xi Bi, Zi-Xian Chen, Li-Ling Su, Jia-Qi Huang, Rui Wen, Xue-Qiang Zhang, Qiang Zhang
Summary: This study proposes an electrolyte with co-solvents 1,3,5-trioxane (TO) and 1,2-dimethoxyethane (DME) to construct a high-mechanical-stability solid electrolyte interphase (SEI) in Li-S batteries. The high-mechanical-stability SEI works compatibly in Li-S batteries, which reduces the consumption rate of Li, Li polysulfides, and electrolytes. The lifespan of Li-S batteries increases from 75 cycles to 216 cycles in TO-based electrolyte, and a 417 Wh kg(-1) Li-S pouch cell undergoes 20 cycles. This work provides an emerging electrolyte design for practical Li-S batteries.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Zi-Xian Chen, Qian Cheng, Xi-Yao Li, Zheng Li, Yun-Wei Song, Furong Sun, Meng Zhao, Xue-Qiang Zhang, Bo-Quan Li, Jia-Qi Huang
Summary: The polarizations of the sulfur cathode in lean-electrolyte Li-S batteries were systematically studied. Activation polarization was identified as the main factor leading to cell performance degradation under lean-electrolyte conditions. A new electrolyte was proposed to reduce activation polarization and improve the discharge capacity of the batteries under lean-electrolyte conditions.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Engineering, Chemical
Feng-Ni Jiang, Shi-Jie Yang, Zi-Xian Chen, He Liu, Hong Yuan, Lei Liu, Jia-Qi Huang, Xin-Bing Cheng, Qiang Zhang
Summary: Comprehensive analyses of thermal runaway mechanisms are crucial for the safe operation of lithium-sulfur (Li-S) batteries. The thermal runaway of 1.0 Ah cycled Li-S pouch cells is attributed to the reactions between dissolved higher-order polysulfides and Li metal. Adding electrolyte significantly affects the thermal safety, with the 16-cycle pouch cell experiencing severe thermal runaway while the 45-cycle pouch cell remains stable. The presence of high-order polysulfides (Li2Sx > 6) and exothermic reactions with cycled Li contribute to the thermal runaway of Li-S pouch cells.
Article
Chemistry, Multidisciplinary
Qian-Kui Zhang, Shu-Yu Sun, Ming-Yue Zhou, Li-Peng Hou, Jia-Lin Liang, Shi-Jie Yang, Bo-Quan Li, Xue-Qiang Zhang, Jia-Qi Huang
Summary: Adding isosorbide dinitrate (ISDN) to the high-concentration electrolyte resulted in a bilayer solid electrolyte interphase (SEI) structure, which greatly improved the uniformity of SEI and lithium deposition. The bilayer SEI showed three times the cycle life of common anion-derived SEI in practical conditions.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Engineering, Chemical
Jiangkui Hu, Shijie Yang, Yingying Pei, Xilong Wang, Yulong Liao, Shuai Li, Aolong Yue, Jia-Qi Huang, Hong Yuan
Summary: This review discusses the interfacial issues in all-solid-state lithium batteries (ASSLBs) based on sulfide solid electrolytes (SEs) and high-voltage cathodes, and proposes strategies to stabilize the electrolyte/cathode interfaces. The future research direction of electrolyte/cathode interfaces and the application prospects of powder technology in sulfide-based ASSLBs are also discussed.
Review
Physics, Applied
Chen -Xi Bi, Li -Peng Hou, Zheng Li, Meng Zhao, Xue-Qiang Zhang, Bo-Quan Li, Qiang Zhang, Jia-Qi Huang
Summary: This review systematically summarizes the current advances in Li anode protection in Li-S batteries, including both fundamental understanding and regulation methodology. The main challenges of Li metal anode instability are introduced, with emphasis on the influence from lithium polysulfides. Three Li anode protection strategies are discussed in detail, and three viewpoints are proposed to inspire future research and development of advanced Li metal anode for practical Li-S batteries.
ENERGY MATERIAL ADVANCES
(2023)
Review
Materials Science, Multidisciplinary
Zi-You Wang, Chen-Zi Zhao, Shuo Sun, Yu-Kun Liu, Zi-Xuan Wang, Shuai Li, Rui Zhang, Hong Yuan, Jia-Qi Huang
Summary: In the pursuit of next-generation energy storage systems, solid-state lithium metal batteries (SSLMBs) have attracted considerable attention for their high-energy density, enhanced safety, and cycle-life benefits. However, the degradation of solid electrolytes (SEs) is a major concern in SSLMBs, especially at high voltages. This review summarizes recent developments in SEs for high-voltage SSLMBs, including their understanding, degradation mechanisms, and application prospects. Design principles for achieving stability in SEs under high voltage are highlighted, and challenges and perspectives on high-voltage-stable SEs and SSLMBs are discussed.
Article
Chemistry, Applied
Maoyi Yi, Jie Li, Mengran Wang, Xinming Fan, Bo Hong, Zhian Zhang, Aonan Wang, Yanqing Lai
Summary: In this study, polyacrylic acid (PAA) was used as a binder for the cathode in all-solid-state batteries. Through H+/Li+ exchange reaction, a uniform PAA-Li coating layer was formed on the cathode surface, improving the stability of the cathodic interface and the crystal structure. The SC-NCM83-PAA cathode exhibited superior cycling performance compared to traditional PVDF binder.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Yonghan Zhou, Zhongfeng Ji, Wenrui Cai, Xuewei He, Ruiying Bao, Xuewei Fu, Wei Yang, Yu Wang
Summary: By learning from the pencil-writing process, a solid-ink rubbing technology (SIR-tech) has been invented to develop durable metallic coatings on diverse substrates. The composite metallic skin by SIR-tech outperforms pure liquid-metal coating and shows great potential for various applications.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Ruiqi Tian, Hehe Zhang, Zeyu Yuan, Yuehua Man, Jianlu Sun, Jianchun Bao, Ming-Sheng Wang, Xiaosi Zhou
Summary: In this study, polypyrrole-encapsulated Sb2WO6 microflowers were synthesized and demonstrated to exhibit excellent potassium storage properties and cycling stability. The improved performance of Sb2WO6@PPy was attributed to the unique microflower structure, enhanced electronic conductivity, and protective PPy coating.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Review
Chemistry, Applied
Longxing Wu, Zhiqiang Lyu, Zebo Huang, Chao Zhang, Changyin Wei
Summary: This paper presents a comprehensive survey on physics-based state of charge (SOC) algorithms applied in advanced battery management system (BMS). It discusses the research progresses of physical SOC estimation methods for lithium-ion batteries and presents future perspectives for this field.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Honggang Huang, Yao Chen, Hui Fu, Cun Chen, Hanjun Li, Zhe Zhang, Feili Lai, Shuxing Bai, Nan Zhang, Tianxi Liu
Summary: The d-d orbital coupling induced by crystal-phase engineering effectively adjusts the electronic structure of electrocatalysts, improving their activity and stability, which is significant for electrocatalyst research.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Quanzhen Sun, Yifan Li, Caixia Zhang, Shunli Du, Weihao Xie, Jionghua Wu, Qiao Zheng, Hui Deng, Shuying Cheng
Summary: In this study, indium (In) ions were introduced into flexible Cu2ZnSn(S,Se)(4) (CZTSSe) solar cells to modify the back interface and passivate deep level defects in CZTSSe bulk. The results showed that In doping effectively inhibited the formation of secondary phase and V-Sn defects, decreased the barrier height at the back interface, passivated deep level defects in CZTSSe bulk, increased carrier concentration, and significantly reduced the V-OC deficit. Eventually, a flexible CZTSSe solar cell with a power conversion efficiency of 10.01% was achieved. This synergistic strategy of interface modification and bulk defects passivation through In incorporation provides a new approach for fabricating efficient flexible kesterite-based solar cells.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Negah Hashemi, Jafar Hussain Shah, Cejun Hu, Subhajit Nandy, Pavlo Aleshkevych, Sumbal Farid, Keun Hwa Chae, Wei Xie, Taifeng Liu, Junhu Wang, Mohammad Mahdi Najafpour
Summary: This study investigates the effects of Fe on the oxygen-evolution reaction (OER) in the presence of Au. The study identifies two distinct areas of OER associated with Fe and Au sites at different overpotentials. Various factors were varied to observe the behaviors of FeOxHy/Au during OER. The study reveals strong electronic interaction between Fe and Au, and proposes a lattice OER mechanism based on FeOxHy.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Yingshi Su, Yonghui Cheng, Zhen Li, Yanjia Cui, Caili Yang, Ziyi Zhong, Yibing Song, Gongwei Wang, Lin Zhuang
Summary: This study systematically investigates the key roles of Nafion on Cu nanoparticles electrocatalyst for CO2RR. The Nafion modifier suppresses the hydrogen evolution reaction, increases CO2 concentration and mass transfer process, and activates CO2 molecule to enhance C2 product generation. As a result, the selectivity of the hydrogen evolution reaction is reduced and the efficiency of C2 products is significantly improved.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Daijie Deng, Honghui Zhang, Jianchun Wu, Xing Tang, Min Ling, Sihua Dong, Li Xu, Henan Li, Huaming Li
Summary: By doping sulfur into vanadium nitride, the S-VN/Co/NS-MC catalyst exhibits enhanced oxygen reduction reaction activity and catalytic performance. When applied in liquid and flexible ZABs, it shows higher power density, specific capacity, and cycling stability.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Review
Chemistry, Applied
Yi Li, Fei Zhang
Summary: Self-assembly of metal halide perovskite nanocrystals holds significant application value in the fields of display, detector, and solar cell due to their unique collective properties. This review covers the driving forces, commonly used methods, and different self-assembly structures of perovskite nanocrystals. Additionally, it summarizes the collective optoelectronic properties and application areas of perovskite superlattice structures, and presents an outlook on potential issues and future challenges in the development of perovskite nanocrystals.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Anki Reddy Mule, Bhimanaboina Ramulu, Shaik Junied Arbaz, Anand Kurakula, Jae Su Yu
Summary: Direct growth of redox-active noble metals and rational design of multifunctional electrochemical active materials play crucial roles in developing novel electrode materials for energy storage devices. In this regard, silver (Ag) has attracted great attention in the design of efficient electrodes. The construction of multifaceted heterostructure cobalt-iron hydroxide (CFOH) nanowires (NWs)@nickel cobalt manganese hydroxides and/or hydrate (NCMOH) nanosheets (NSs) on the Ag-deposited nickel foam and carbon cloth (i.e., Ag/ NF and Ag/CC) substrates is reported. The as-fabricated Ag@CFOH@NCMOH/NF electrode delivered superior areal capacity value of 2081.9 μA h cm-2 at 5 mA cm-2. Moreover, as-assembled hybrid cell based on NF (HC/NF) device exhibited remarkable areal capacity value of 1.82 mA h cm-2 at 5 mA cm-2 with excellent rate capability of 74.77% even at 70 mA cm-2. Furthermore, HC/NF device achieved maximum energy and power densities of 1.39 mW h cm-2 and 42.35 mW cm-2, respectively. To verify practical applicability, both devices were also tested to serve as a self-charging station for various portable electronic devices.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Zanling Huang, Shuqi Zhu, Yuan Duan, Chaoran Pi, Xuming Zhang, Abebe Reda Woldu, Jing-Xin Jian, Paul K. Chu, Qing-Xiao Tong, Liangsheng Hu, Xiangdong Yao
Summary: In this study, it was found that Ni sites act as a host to attract Fe(III) to form Fe(Ni)(III) binary centers, which promote the oxygen evolution reaction (OER) activity and stability by cyclical formation of intermediates. Additionally, other ions can also catalyze the OER process on different electrodes.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Jie Zeng, Jian Bao, Ya Zhang, Xun-Lu Li, Cui Ma, Rui-Jie Luo, Chong-Yu Du, Xuan Xu, Zhe Mei, Zhe Qian, Yong-Ning Zhou
Summary: The balance between cationic redox and oxygen redox is crucial for achieving high energy density and cycle stability in sodium batteries. This study demonstrates the reversible Mn2+/Mn4+ redox in a P3-Na0.65Li0.2Co0.05Mn0.75O2 cathode material through Co substitution, effectively suppressing the contribution of oxygen redox and improving structure stability.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Daniela M. Josepetti, Bianca P. Sousa, Simone A. J. Rodrigues, Renato G. Freitas, Gustavo Doubek
Summary: Lithium-oxygen batteries have high energy density potential but face challenges in achieving high cyclability. This study used operando Raman experiments and electrochemical impedance spectroscopy to evaluate the initial discharge processes in porous carbon electrodes. The results indicate that the reaction occurs at the Li2O2 surface and the growth of Li2O2 forms a more compact and homogeneous structure.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Ziqi Zhang, Jinyun Xu, Yu Zhang, Liping Zhao, Ming Li, Guoqiang Zhong, Di Zhao, Minjing Li, Xudong Hu, Wenju Zhu, Chunming Zheng, Xiaohong Sun
Summary: This paper explores the challenge of increasing global CO2 emissions and highlights the role of porous metal oxide materials in electrocatalytic reduction of CO2 (CO2RR). Porous metal oxides offer high surface area and tunability for optimizing CO2RR reaction mechanisms.
JOURNAL OF ENERGY CHEMISTRY
(2024)
