Issue 9, 2024

Strategies for developing layered oxide cathodes, carbon-based anodes, and electrolytes for potassium ion batteries

Abstract

Lithium-ion batteries (LIBs) have become the most popular portable secondary energy storage facilities. However, the limited lithium resource results in possible unsustainable development. Potassium-ion batteries (PIBs) are considered promising alternatives to LIBs because of their high resource availability, low cost, and environmentally friendly features. In this field, high energy density layered cathodes and carbon-based anodes are also the main research objectives. However, compared to the most appealing alternative sodium-ion batteries (SIBs), despite having various theoretical advantages, PIBs exhibit poorer electrochemical performance in practice. Their poor capacity retention and narrow working voltage range seriously limit their applications. The performance of the electrodes is usually considered an important factor for battery performance, life, and safety. To solve these problems, many significant research studies have been carried out in the last decade, achieving numerous breakthroughs. Nevertheless, there are still many drawbacks and unclear mechanisms. In this comprehensive review, we examine the current state of high-performance layered oxide cathodes, electrolytes, and carbon-based anodes, to identify potential candidates for PIBs. Our focus lies on their structural characteristics, interface properties, underlying mechanisms, and modification techniques. The viewpoints of these advanced strategies are integrated, and concise development suggestions and strategies are subsequently proposed.

Graphical abstract: Strategies for developing layered oxide cathodes, carbon-based anodes, and electrolytes for potassium ion batteries

Article information

Article type
Review Article
Submitted
11 Жел. 2023
Accepted
06 Ақп. 2024
First published
22 Ақп. 2024

Mater. Horiz., 2024,11, 2053-2076

Strategies for developing layered oxide cathodes, carbon-based anodes, and electrolytes for potassium ion batteries

Y. Lin, S. Luo, J. Cong, P. Li, X. Yuan and S. Yan, Mater. Horiz., 2024, 11, 2053 DOI: 10.1039/D3MH02118A

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