Patent ID: 8728663
Filing Date: 2014-05-20
Classification: C08F,H01M,Y02E,Y02T

Abstract:
1. A positive electrode for a lithium-ion secondary battery, comprising: a current collector; and an electrode layer that is formed on a surface of said current collector, wherein the electrode layer comprises a binder resin, an active material and a conductive additive, said active material comprising a sulfur-modified polyacrylonitrile that is produced from a raw-material powder comprising a sulfur powder having a particle diameter of about 40 μm-150 μm and a polyacrylonitrile powder having a particle diameter of about 0.5 μm-50 μm, wherein the raw-material powder is heated in an enclosed nonoxidizing atmosphere; and said binder resin includes a polyimide resin and/or a polyamide-imide resin.