Patent ID: 8367251
Filing Date: 2013-02-05
Classification: H01M,Y02E,Y10T

Abstract:
1. An anode, comprising: an anode current collector; an anode active material layer, on the anode current collector, comprising an anode active material comprising at least one of a simple substance of silicon, an alloy of silicon, a compound of silicon, a simple substance of tin, an alloy of tin, and a compound of tin; and a coat, on the anode active material layer, consisting of at least one ionic polymer with at least a lithium counterion, wherein the at least one ionic polymer is obtained by polymerizing at least one of an acrylate, a methacrylate, a 1,2-ethylene dicarboxylate, a vinyl sulfonate, a styrenesulfonate, and a vinylphosphonate.