期刊
NANO RESEARCH
卷 16, 期 2, 页码 2311-2324出版社
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-022-4871-x
关键词
ion batteries; battery safety; polymer electrolyte; solid state electrolyte; ionic liquid electrolyte; aqueous electrolyte
This review focuses on the safety and stability issues of ion batteries, discussing the drawbacks of organic liquid electrolytes and presenting effective solutions such as polymer electrolytes, solid-state electrolytes, ionic liquid electrolytes, and aqueous electrolytes. The outlook on future electrolytes is also provided.
Electric vehicles have been promoted worldwide due to fast-charge technology of ion batteries. However, ion batteries' capacity and cycle life severely decay under extreme conditions, which is mostly related to electrolyte conductivity drop and side reactions. This review highlights the safety and stability of ion batteries in terms of thermal stability, non-flammability, low-temperature, and so on, outlining the disadvantages of organic liquid electrolyte, and summarizing effective solutions of polymer electrolytes, solid-state electrolytes, ionic liquid electrolytes, and aqueous electrolytes for the batteries. Moreover, the outlook on the electrolytes is put forward, which is available for research and development of the next generation batteries.
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