期刊
CHEMICAL COMMUNICATIONS
卷 55, 期 9, 页码 1256-1258出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc10017a
关键词
-
资金
- Korean Ministry of Trade, Industry Energy [A0022-00725]
We report a promising approach to achieve the maximum capacity (>230 mA h g(-1)) and high capacity retention (95% during 100 cycles) of a nickel-rich cathode of LiNi0.8Co0.1Mn0.1O2 (NCM811) by charging to 4.5 V in a non-flammable electrolyte of propylene carbonate and fluorinated linear carbonates. Our electrolyte permits the stabilization of the cathode-electrolyte interface and cathode structure at high-voltage, enabling stable and safe operation of the Ni-rich cathode for high-energy density and high-safety lithium-ion and lithium metal batteries.
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