Patent ID: 6645671
Filing Date: 2003-11-11
Classification: H01M,Y02E

Abstract:
A lithium secondary battery comprising: a cathode capable of charging and discharging lithium ions; an anode containing a material which can be doped and de-doped with a material selected from the group consisting of lithium ions, lithium metal,and a lithium alloy; and an electrolyte that allows the movement of lithium ions;wherein said anode also contains an imide compound which is represented by the chemical formula below: â€ƒwherein Z is an optionally substituted â€”(CH2)nâ€” (where n is an integer from 2 to 7), 1,2-cyclohexylene or 1,2-phenylene, and X is a hydrogen atom, oran optionally substituted alkyl group, aralkylcarbonyl group, alkylcarbonyl group, alkoxycarbonyl group, aralkyloxycarbonyl group or imidyloxycarbonyl group.