维普中文期刊产品整合服务

Depolarization of Li-rich Mn-based oxide via electrochemically active Prussian blue interface providing superior rate capability

查看全文 作　　者：Youchen [1]Hao;Xifei [1]Li;Wen [1]Liu;Jingjing [1]Wang;Hui [1]Shan;Wenbin [1]Li;Xingjiang [2]Liu;Liangxu [3]Lin;Xianyou [4]Wang;Xueliang [5]Sun 高影响力作者 机构地区：[1]Shaanxi International Joint Research Centre of Surface Technology for Energy Storage Materials,Xi'an Key Laboratory of New Energy Materials and Devices,Institute of Advanced Electrochemical Energy&School of Materials Science and Engineering,Xi'an University of Technology,Xi'an,China;[2]Science and Technology on Power Sources Laboratory,Tianjin Institute of Power Sources,Tianjin,PR China;[3]Strait Institute of Flexible Electronics(SIFE,Future Technologies),Fujian Normal University,Fuzhou,Fuzhou,China;[4]Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education,School of Chemistry,Xiangtan University,Xiangtan,Hunan,China;[5]Department of Mechanical and Materials Engineering,University of Western Ontario,London,Ontario,Canada高影响力机构 出　　处：《Carbon Energy》索引2023年第5卷第5期,共9页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China (51802261,52072298,and 52172228);the Natural Science Foundation of Shaanxi (2019GHJD-13 and 2020JC-41);the Natural Science Basic Research Plan in Shaanxi province of China (2019JLP-04);Xi'an Science and Technology Project of China (2019219714SYS012CG034);the foundation of National Key Laboratory (6142808200202),PR China. 摘　　要：The high-rate cyclability of Li-rich Mn-based oxide(LMO)is highly limited by the electrochemical polarization resulting from the slow kinetic of the Li2MnO3 phase.Herein,the Prussian blue(PB)coating layer with specific redox potential is introduced as a functionalized interface to overcome the side effect and the escaping of O on the surface of LMO,especially its poor rate capability.In detail,the PB layer can restrict the large polarization of LMO by sharing overloaded current at a high rate due to the synchronous redox of PB and LMO.Consequently,an enhanced high rate performance with capacity retention of 87.8%over 300 cycles is obtained,which is superior to 50.5%of the pristine electrode.Such strategies on the high-rate cyclability of Li-rich Mn-based oxide compatible with good low-rate performances may attract great attention for pursuing durable performances. 关 键 词：Li-rich Mn-based oxide Prussian blue coating layer synchronous redox high-rate cyclability
相关文献

参考文献(32)

引证文献(1)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费