期刊
SMALL STRUCTURES
卷 2, 期 5, 页码 -出版社
WILEY
DOI: 10.1002/sstr.202000122
关键词
batteries safety; high-concentration electrolytes; lithium dendrites; lithium metal batteries; metallic lithium anodes
资金
- National Natural Science Foundation of China [11675051, U1864213]
- National Key R&D Program of China [2018YFB0104400]
- Key Research and Development Program of Hunan Province of China [2018GK2031]
Nonaqueous electrolytes are crucial for lithium-ion batteries, but their limitations have hindered battery performance. High-concentration electrolytes show superior properties compared to traditional electrolytes, overcoming their drawbacks.
Nonaqueous electrolytes play important roles in determining the performance of lithium-ion batteries. However, the high flammability, poor thermal stability, narrow electrochemical window, and slow electrode reaction kinetics seriously hinder the application of batteries. Compared with traditional electrolytes, high-concentration electrolytes (HCEs) have a higher ion transfer number, wider electrochemical window, higher thermal stability, low volatility, good flame resistance, and passivation of Al current collector at high potential. The HCEs can effectively overcome the shortcomings of traditional electrolytes, and provide a new direction for the development of next-generation batteries. Therefore, it is very timely to write a perspective on HCEs for directing future research. Herein, the recent development of HCEs is described.
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