Affiliation:
1. State Key Laboratory of Fire Science University of Science and Technology of China Hefei 230026 China
2. Department of Chemical Engineering University of Massachusetts Amherst Amherst MA 01003-9303 USA
3. School of Materials Science and Engineering Anhui University Hefei 230601 China
Abstract
Lithium‐based batteries (lithium‐ion batteries, lithium‐metal batteries, and lithium–sulfur batteries, etc.) have become one of the most irreplaceable energy‐storage devices and shown huge application potential. However, the traditional liquid electrolytes used in lithium‐based batteries are flammable and exhibit poor electrochemical stability, which will significantly limit the further development of high energy density and high safety lithium‐based batteries. Thus, it is crucial to develop nonflammable electrolytes. In this work, the reasons why traditional liquid electrolyte is unsafe and the recent progress of nonflammable liquid electrolytes including flame‐retardant‐based electrolytes, highly concentrated electrolytes, localized high concentrated electrolytes, and ionic liquids–based electrolytes are summarized. The challenges and future perspectives toward how to decrease the fire hazard of lithium‐based batteries through liquid electrolyte design are also put forward.
Funder
National Natural Science Foundation of China
Subject
General Earth and Planetary Sciences,General Environmental Science
Cited by
6 articles.
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