Issue 37, 2022

Organic electrolyte design for practical potassium-ion batteries

Abstract

Potassium-ion batteries (PIBs) are promising as a low-cost and complementary technology to lithium-ion batteries (LIBs) because of the relative abundance of potassium. Electrolyte is a critical component and governs the electrochemical performance of PIBs. Electrolyte engineering has recently resulted in promising results for both the anode and cathode materials of PIBs. However, the performance of current PIBs is still limited for practical applications. A systematic analysis of recent electrolyte engineering research is required for further improvement. In this review, we first summarize the recent electrolyte research progress and design strategies for PIBs. We then discuss the key features of PIB electrolytes such as the K-ion solvation environment and SEI chemistry, and finally propose several design strategies and considerations for future electrolyte development.

Graphical abstract: Organic electrolyte design for practical potassium-ion batteries

Article information

Article type
Review Article
Submitted
21 Mär 2022
Accepted
09 Mai 2022
First published
10 Mai 2022

J. Mater. Chem. A, 2022,10, 19090-19106

Organic electrolyte design for practical potassium-ion batteries

J. Mao, C. Wang, Y. Lyu, R. Zhang, Y. Wang, S. Liu, Z. Wang, S. Zhang and Z. Guo, J. Mater. Chem. A, 2022, 10, 19090 DOI: 10.1039/D2TA02223K

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