Patent ID: 9660269
Date: 2017-05-23
CPC Classifications: H01M,Y02E,Y02P

Claim:
1. An electrode for a lithium secondary battery in which an organic electrolytic solution is permeated into an electrode group formed by winding positive and negative electrodes or by laminating said positive and negative electrodes one upon another with a separator being interposed therebetween to repeatingly occlude and release lithium ions, wherein said positive electrode is composed of a positive electrode current collection foil and a positive electrode active substance made of olivine type lithium iron phosphate formed on said positive electrode current collection foil; and said negative electrode is composed of a negative electrode current collection foil and a negative electrode active substance formed on said negative electrode current collection foil; and said positive electrode active substance and said negative electrode active substance have at least one phase selected from among a graphene phase and an amorphous phase as a surface layer thereof; and an activated carbon layer having a specific surface area of 1500 m