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Published TCIMAIL newest issue No.197
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Fluorine-Substituted Carbonate Ester to Compose Non-Flammable Electrolytes
Lithium-ion batteries are indispensable devices in our daily lives. Therefore enhancing safety without compromising performance is an important issue. Development of non-flammable electrolytes already contributed to increasing safety. Fluorinated compounds have been reported to function as non-flammable electrolytes, and bis(2,2,2-trifluoroethyl) carbonate (1) is one of them.1,2) Song et al. showed that an electrolyte composed of 1 and propylene carbonate (= PC) was non-flammable. The full-cell includes also fluoroethylene carbonate (= FEC) as an additive. It exhibited a high energy density of 856 Wh/kg and a high capacity retention of 93% even after 50 cycle tests.
Related Products
- B4703
- Bis(2,2,2-trifluoroethyl) Carbonate
- P0525
- Propylene Carbonate
- F0731
- Fluoroethylene Carbonate
- L0146
- Lithium Hexafluorophosphate
References
- 1) Non-flammable organic liquid electrolyte for high-safety and high-energy density Li-ion batteries
- 2) Recent Advances in Non-Flammable Electrolytes for Safer Lithium-Ion Batteries
