Patent ID: 6432585
Filing Date: 2002-08-13
Classification: C23C,C25D,H01M,Y02E,Y02P

Abstract:
An electrode structural body comprising a plate shaped collector having opposite surfaces and an electrode material layer formed on at least one of said opposite surfaces of said collector,wherein said electrode material layer contains 35% by weight or more of a grained host matrix material of 0.5 to 60 &mgr;m in average particle size, wherein said electrode material layer has a void ratio of 0.10 to 0.86, wherein said electrode material layer has a density in a range of 1.00 to 6.56 g/cm3, wherein the grained host matrix material comprises a grained material composed of one or more elements selected from the group consisting of Si, Ge, Sn, Pb, In, Mg, and Zn, and wherein said collector is constituted of a metallic material which is inactive in a battery reaction selected from the group consisting of Cu, Ni, Fe, Ti, and alloys of two or more of these metals.