碳纳米管在柔性储能器件中的应用进展  

Carbon nanotubes for flexible energy storage devices—A review

作　　者：刘芯言[1] 彭翃杰[1] 黄佳琦[1] 张强[1] 魏飞[1] 

机构地区：[1]清华大学化学工程系,绿色反应工程与工艺北京市重点实验室,北京100084

出　　处：《储能科学与技术》2013年第5期433-450,共18页Energy Storage Science and Technology

基　　金：国家重点基础研究发展计划(973)项目(2011CB932602)

摘　　要：碳纳米管具有本征sp2共价结构所带来的优异导电、导热及力学性能,并在锂电池、超级电容器等储能体系中具有广泛的应用前景。本文回顾了碳纳米管柔性储能的背景,介绍了碳纳米管优异的性能、独特的结构。这种一维的管状结构既可以作为柔性电极中的支撑骨架,也可以构建优越的长程导电网络,提供能源存储活性位点,进而提高柔性器件的性能。本文详细评述近年来碳纳米管在柔性超级电容器、锂离子电池、锂硫电池等能源存储元件应用中的一些最新进展和研究热点,其中柔性超级电容器、锂离子电池方面研究比较成熟,而锂硫电池尚在起步阶段,预期会取得快速进步。文章介绍了电极构建途径及性能评估方法,展示了碳纳米管基柔性储能器件的进展,并展望了其未来发展方向。Carbon nanotubes have a one-dimensional tube-like structure with superior electrical and thermal conductivities,as well as mechanical strength.Such a structure makes it suitable for using as the backbone of flexible electrodes and long distance electrically conductive networks,and for creating high reactive surface area for overall performance.As a result,carbon nanotubes have attracted tremendous interest for due to numerous potential applications in the field of energy storage.This article reviews the work on the use of carbon nanotubes in flexible energy storage devices,covering supercapacitors,lithium ion batteries and lithium sulfur batteries.We will show that although there have been considerable amount of research on flexible supercapacitors and lithium ion batteries,little has been done on flexible lithium sulfur batteries.and rapid progress is expected to occur in the near future.In addition,we also briefly cover fabrication of flexible electrodes,and introduce criteria for evaluating electrode performance.

关 键 词：碳纳米管 锂离子电池 超级电容器 锂硫电池 柔性 

分 类 号：TM911.3[电气工程—电力电子与电力传动]