Patent ID: 8481209
Filing Date: 2013-07-09
Classification: H01M,Y02E

Abstract:
1. An electrode comprising: a collector; and an active material layer provided on the collector, containing a copolymer obtained by copolymerizing a comonomer with a copolymer main component, wherein the comonomer is at least one member selected from monomers represented by the following general formulae (1) to (4) wherein each of R1 to R3 independently represents a hydrocarbon group having from 4 to 10 carbon atoms; R4 represents a hydrogen atom or a methyl group; each of R6 and R7 independently represents a hydrogen atom or a hydrocarbon group having from 1 to 4 carbon atoms; each of R5 and R8 independently represents a hydrogen atom or a hydrocarbon group having from 4 to 10 carbon atoms; and X represents a cyano group or an aldehyde group, and wherein the copolymer main component is selected from the group consisting of: (1) vinylidene fluoride and (2) vinylidene fluoride and a copolymerizable monomer thereof and wherein in the copolymer, the copolymer main component is present on both sides of the comonomer.