Energy storage mechanisms of anode materials for potassium ion batteries

J. Zhang, L. Lai, H. Wang, M. Chen, Z. X. Shen

Research output: Contribution to journalReview articlepeer-review

74 Scopus citations

Abstract

The applications of potassium ion batteries (KIBs) require the development of advanced electrode materials. The rate performance and cycle stability of anode materials are critical parameters and are closely related to their K+ storage mechanisms and structural changes during cycling. This review presents an overview of the electrochemical performance and energy storage mechanisms of currently widely studied anodes for KIBs, including carbon-based, alloy-based, and organic-based anodes. This mini-review covers the emerging operando protocols that are applied to the in-depth mechanistic study of the KIBs, and we hope it will provide guidelines for the design of advanced anodes for KIB technology and hence accelerate the commercialization of KIBs as competitive energy storage devices.

Original languageEnglish
Article number100747
JournalMaterials Today Energy
Volume21
DOIs
StatePublished - Sep 2021
Externally publishedYes

Keywords

  • Operando characterization
  • Potassium ion battery
  • Storage mechanism

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