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Pseudocapacitive materials for electrochemical capacitors:from rational synthesis to capacitance optimization

查看全文 作　　者：Jie [1]Wang;Shengyang [1]Dong;Bing [1]Ding;Ya [1]Wang;Xiaodong [1]Hao;Hui [1]Dou;Yongyao [2]Xia;Xiaogang [1]Zhang 高影响力作者 机构地区：[1]Key Laboratory of Materials and Technologies for Energy Conversion,College of Material Science&Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;[2]Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials,Institute of New Energy and iChEM(Collaborative Innovation Center of Chemistry for Energy Materials),Fudan University,Shanghai,200433,Cllina高影响力机构 出　　处：《National Science Review》索引2017年第4卷第1期,共20页高影响力期刊 基　　金：supported by the National Basic Research Program of China(2014CB239701);the National Natural Science Foundation of China(51372116);the Natural Science Foundation of Jiangsu Province(BK2011030,BK20151468);the Outstanding Doctoral Dissertation in NUAA(BCXJ16-07);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD) 摘　　要：Among various energy-storage devices,electrochemical capacitors(ECs) are prominent power provision but show relatively low energy density.One way to increase the energy density of ECs is to move from carbon-based electric double-layer capacitors to pseudocapacitors,which manifest much higher capacitance.However,compared with carbon materials,the pseudocapacitive electrodes sufer from high resistance for electron and/or ion transfer,signiicantly restricting their capacity,rate capability and cyclability.Rational design of electrode materials ofers opportunities to optimize their electrochemical performance,leading to devices with high energy density while maintaining high power density.his paper reviews the diferent approaches of electrodes striving to advance the energy and power density of ECs. 关 键 词：electrochemical capacitors pseudocapacitive electrode energy density power density cycle stability
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