柔性锂离子电池的电极  

Electrode Materials for Flexible Lithium-Ion Battery

作　　者：张长欢[1] 李念武 张秀芹[1] Changhuan Zhang;Nianwu Li;Xiuqin Zhang(Beijing Key Laboratory of Clothing Materials R&D and Assessment,Beijing Engineering Research Center of Textile Nanofiber,School of Materials Design and Engineering,Beijing Institute of Fashion Technology,Beijing 100029,China;College of Chemistry and Engineering,Beijing University of Chemical Technology,Beijing 100029,China)

机构地区：[1]北京服装学院材料设计与工程学院北京市纺织纳米纤维工程技术研究中心服装材料研究开发与评价北京市重点实验室,北京100029 [2]北京化工大学化学工程学院,北京100029

出　　处：《化学进展》2021年第4期633-648,共16页Progress in Chemistry

基　　金：北京服装学院科学研究项目(No.2020A-04);北京服装学院高水平教师队伍建设专项资金(No.BIFTXJ201917);北京市属高等学校高层次人才引进与培养计划项目-北京市长城学者培育计划(No.CTT&TCD20180321);高性能多功能冬奥服装服饰研究开发(No.Z181100005918005)资助。

摘　　要：科技进步使可穿戴设备等便携式电子产品得到了快速发展,柔性电池作为其核心部件,受到越来越多研究者的关注。锂离子电池因具有良好的循环稳定性和较长的使用寿命等优点,成为各类产品的主要电源。为满足电子产品柔性化、微型化发展需求,开发高能量密度的柔性锂离子电池成为亟待解决的问题,作为其关键材料之一的柔性电极是重要的研究方向。本文阐述了柔性锂离子电池电极的研究进展,包括基于自身带有电化学活性的碳材料、Mxene材料的一体化柔性电极,基于非电化学活性的聚合物材料、纺织材料、金属基的一体化柔性电极,以及为满足可穿戴设备可编织和大尺寸形变使用需求的宏观柔性新型电极结构设计,分析并探讨了柔性电极目前存在的问题,以期为未来高能量密度柔性锂离子电池的研究提供新的思路。With the development of science and technology,great progress has been made in portable electronic products,especially in wearable devices.Flexible battery,as the core component of portable electronic products,has attracted attention of more and more researchers.Lithium-ion battery is used as the main power source in a variety of products because of its good cycle performance and long life span.In order to make portable electronic products flexible and miniaturized,the development of flexible lithium-ion batteries with high energy density can be an urgent issue.Flexible electrode materials are regarded as the important research direction because they are key materials for flexible lithium-ion battery.The article describes recent progress on researches about electrode materials for flexible lithium-ion battery,including integrated flexible electrode and new macro-flexibility electrode structure design.The carbon-based materials and Mxene-based materials all belong to integrated flexible electrode with electrochemical activity.The polymer-based materials,textile-based materials and metal-based materials all belong to integrated flexible electrode based on non-electrochemical activity.The new macro-flexibility electrode structure design meets the needs that wearable devices are woven and tolerable of large scale deformation.This paper analyzes and discusses existing problems of flexible electrodes in order to provide new ideas for researches about flexible lithium-ion battery with high energy density in future.

关 键 词：柔性锂离子电池 柔性电极 宏观柔性结构 电极材料 可穿戴 

分 类 号：O646[理学—物理化学] TM910[理学—化学]