Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
Lithium secondary battery
Disclosed is a lithium secondary battery capable of preventing the battery life from being reduced. The lithium secondary battery includes a cathode, an anode including silicon, a separator positioned between the cathode and the anode, and an electrolyte including flouoroethylene carbonate (FEC), wherein a weight ratio of the silicon to the FEC is about 0.4 to about 0.8.
Hyundai Motor Company Kia Motors Corporation
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Seyoung Shinkook SungHoon Seung-Min SangJin Jung Young
Lee Kong Lim Oh Park Cho