CIESC Journal ›› 2020, Vol. 71 ›› Issue (10): 4429-4444.DOI: 10.11949/0438-1157.20200612

• Reviews and monographs • Previous Articles     Next Articles

Recent progress on cathode materials for potassium-ion batteries

Zhibo ZHANG(),Kunyao PENG,Maoning GENG,Xinyue ZHAO,Si LIU,Changbao ZHU()   

  1. College of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, Guangdong, China
  • Received:2020-05-19 Revised:2020-07-28 Online:2020-10-05 Published:2020-10-05
  • Contact: Changbao ZHU

钾离子电池正极材料的研究进展

张志波(),彭琨尧,耿茂宁,赵昕悦,刘思,朱昌宝()   

  1. 中山大学材料科学与工程学院,广东 广州 510006
  • 通讯作者: 朱昌宝
  • 作者简介:张志波(1995—),男,博士研究生,zhangzhb7@mail2.sysu.edu.cn
  • 基金资助:
    国家重点研发项目(2018YFB0905400);国家自然科学基金项目(51702376);中山大学高校基本科研业务费青年教师重点培育项目(19lgzd02);广东省珠江人才计划项目(2019QN01L117)

Abstract:

Due to resource and cost advantages, as well as the similarity of working principles with lithium-ion batteries, potassium-ion batteries (PIBs) have a bright future in large-scale energy storage applications. However, the ion size of potassium is larger than that of lithium and sodium ions, which not only affects the transport in the electrode, but also tends to cause irreversible damage to electrode structure, resulting poor electrochemical performance. For PIBs, the graphite that already applied in lithium-ion batteries can be used as anode, thus the cathode materials are the key to develop the high-performance potassium ion batteries. This review summarized the progress of various types of cathode materials for PIBs, and discussed their advantages, problems and corresponding modification methods. Finally, the main challenges and perspectives are also discussed to provide the future direction of cathode materials for PIBs.

Key words: potassium-ion batteries, cathode materials, nanomaterials, composites, electrochemistry

摘要:

由于资源和成本优势,以及工作原理与锂离子电池的相似性,钾离子电池在未来的大规模储能应用中有着光明的发展前景。然而相比于锂、钠离子,钾离子半径较大,这不仅影响了其在电极中的输运,而且容易对电极材料的结构造成一些不可逆的破坏,进而导致较差的电化学性能。对于钾离子电池,负极可采用与锂离子电池相同的石墨负极,而正极材料是目前的研发高性能钾离子电池的关键。因此,本文在总结了最常见的四类钾离子电池正极材料的相关进展,并分别探讨了各自的优势、问题及相应的改性方法的基础上,展望了钾离子电池正极材料未来的发展。

关键词: 钾离子电池, 正极材料, 纳米材料, 复合材料, 电化学

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