柔性锂硫电池的材料设计与实现

doi:10.12028/j.issn.2095-4239.2018.0036

储能科学与技术 ›› 2018, Vol. 7 ›› Issue (3): 465-470.doi: 10.12028/j.issn.2095-4239.2018.0036

柔性锂硫电池的材料设计与实现

闻雷¹, 梁骥², 石颖¹, 陈静¹, 孙振华¹, 吴敏杰¹, 李峰¹

1. 中国科学院金属研究所, 沈阳材料科学国家科学中心, 辽宁沈阳 110016;
2. Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, NSW 2522 Australia

收稿日期:2018-03-12 修回日期:2018-04-13 出版日期:2018-05-01 发布日期:2018-04-17
通讯作者: 李峰,研究员,主要研究方向为能源材料及器件,E-mail:fli@imr.ac.cn
作者简介:闻雷(1974-),男,博士,副研究员,主要研究方向为柔性储能器件,E-mail:leiwen@imr.ac.cn
基金资助:
长续航动力锂电池新材料与新体系研究（2016YFB0100101），国家自然科学基金（51525206，51521091，51372253，U1401243），中国科学院战略性先导项目（XDA09010104）。

Materials design and its implementation for flexible Li-S batteries

WEN Lei¹, LIANG Ji², SHI Ying¹, CHEN Jing¹, SUN Zhenhua¹, WU Minjie¹, LI Feng¹

1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Shenyang 110016, Liaoning, China;
2. Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, NSW 2522 Australia

Received:2018-03-12 Revised:2018-04-13 Online:2018-05-01 Published:2018-04-17

摘要/Abstract

摘要： 随着具有变形功能的移动电子设备的出现和发展，具有更高能量密度的柔性锂硫电池受到越来越多的重视。本文总结了柔性锂硫电池关键材料的发展现状，并对柔性锂硫电池的未来发展方向进行了展望。锂硫电池柔性化的主要难点在于其关键材料的变形设计，通过将硫正极附着于碳纳米管和石墨烯薄膜、聚合物等柔性基底上，利用基底提供变形支撑，能够制备出一体化的复合锂硫电池正极。相对于可变形正极材料，锂金属负极的柔性化具有更大的挑战。未来通过发展新型的锂金属担载材料或采用非金属锂负极，有望实现锂硫电池负极的可变形特征。虽然存在尚待解决的问题很多，柔性锂硫电池经过适当的电化学性能和力学性能改进，将在移动电子领域得到广泛应用。

关键词: 柔性电池, 锂硫电池, 力学特性, 纳米碳材料

Abstract: With the emergence and development of flexible mobile electronic, flexible lithium-sulfur (Li-S) batteries with higher energy density have received more and more attention. In this perspective, we summarize the key materials and current status of flexible Li-S batteries, and presents its future development. The key factors in the flexible Li-S battery lies in the conformal design of its materials. By integrating the positive sulfur electrode to a flexible substrate, such as carbon nanotube membrane, graphene film and polymer, an integrated flexible Li-S composite sulfur electrode can be obtained. In the design, these substrates act as flexible support. Compared with conformal Li-S cathode, the fabrication of flexible lithium metal anode possess greater challenge. By developing new host material for lithium metal or using lithium-free anode, flexible anode materials for Li-S batteries is expected. Although there are many problems to be solved, flexible Li-S batteries with improved electrochemical properties and mechanical properties are anticipated in the field of mobile electronics.

Key words: flexible batteries, Li-S batteries, mechanical properties, carbon nanomaterials

中图分类号:

TM912

闻雷, 梁骥, 石颖, 陈静, 孙振华, 吴敏杰, 李峰. 柔性锂硫电池的材料设计与实现[J]. 储能科学与技术, 2018, 7(3): 465-470.

WEN Lei, LIANG Ji, SHI Ying, CHEN Jing, SUN Zhenhua, WU Minjie, LI Feng. Materials design and its implementation for flexible Li-S batteries[J]. Energy Storage Science and Technology, 2018, 7(3): 465-470.

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柔性锂硫电池的材料设计与实现

Materials design and its implementation for flexible Li-S batteries

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