无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ

无机盐工业 ›› 2024, Vol. 56 ›› Issue (11): 15-29.doi: 10.19964/j.issn.1006-4990.2024-0077

• 新能源电池材料 • 上一篇    下一篇

卤化物固态电解质研究进展与展望

万峰(), 闫迎春, 范壮军()   

  1. 中国石油大学材料科学与工程学院,山东 青岛 266580
  • 收稿日期:2024-02-23 出版日期:2024-11-10 发布日期:2024-04-02
  • 通讯作者: 范壮军,男,博士,合肥综合性国家科学中心研究员,博士生导师,获国家万人计划领军人才,科技部科技创新领军人才,龙江学者特聘教授,泰山学者特聘教授等荣誉称号;E-mail:fanzhj666@163.com
  • 作者简介:万峰(1998— ),硕士,研究方向为全固态锂电池正极材料;E-mail:1140445117@qq.com
  • 基金资助:
    山东省高校自然科学基金面上项目(51972342)

Research progress and prospect of halide solid electrolytes

WAN Feng(), YAN Yingchun, FAN Zhuangjun()   

  1. School of Material Science and Engineering in China University of Petroleum,Qingdao 266580,China
  • Received:2024-02-23 Published:2024-11-10 Online:2024-04-02

摘要:

全固态锂金属电池具有安全性能好、能量密度高等优势,被认为是下一代高性能高安全储能电池技术的发展方向。开发先进的固态电解质是实现全固态锂电池发展的关键,卤化物固态电解质具有高室温离子电导率、宽电化学窗口及良好的正极界面稳定性等优势,受到了相关学者的广泛关注。概述了卤化物固态电解质的分类、制备方法及离子传输机制,较为深入地阐述了其湿度稳定性及界面稳定性问题,归纳了目前所采用的解决策略及在全固态锂金属电池中实际的应用,并提出了卤化物固态电解质现阶段面临的挑战和未来发展方向,这将有助于推动卤化物固态电解质的进一步发展。

关键词: 卤化物固态电解质, 晶体结构, 传输机理, 稳定性, 电化学性能

Abstract:

All-solid-state lithium metal batteries have the advantages of good safety performance and high energy density,which are considered as the direction of the development for the next generation of high-performance and high-safety energy storage battery technology.Developing advanced solid-state electrolytes is the key to achieving the development of all-solid-state lithium batteries.Halide solid-state electrolytes have attracted extensive attention from researchers due to their advantages of high ionic conductivity at room temperature,wide electrochemical window,and good cathode interface stability.The classification,preparation methods,and ion transport mechanisms of halide solid-state electrolytes were summarized.The issues of humidity stability and interface stability were deeply discussed,the current solutions and practical applications in all solid-state lithium metal batteries were summarized,and the challenges and future development directions of halide solid-state electrolytes were presented,which would promote the further development of halide solid-state electrolytes.

Key words: halide solid-state electrolyte, crystal structure, conduction mechanism, stability, electrochemical performance

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