Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 10, Issue 37, Pages 19090-19106Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ta02223k
Keywords
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Funding
- Australian Research Council (ARC) [LP160101629, DP200101862, FL210100050]
- Australian Research Council [FL210100050] Funding Source: Australian Research Council
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Potassium-ion batteries (PIBs) are considered a low-cost and complementary technology to lithium-ion batteries (LIBs) due to the abundance of potassium. Electrolyte plays a crucial role in the electrochemical performance of PIBs. Recent research on electrolyte engineering has shown promising results, but there are still limitations for practical applications. Further analysis and improvement are necessary.
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.
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