Patent ID: 8980438
Filing Date: 2015-03-17
Classification: B05D,B22F,C22C,C25D,H01B,H01G,H01M,Y02E,Y02T,Y10T

Abstract:
1. A porous metal foil comprising a two-dimensional network structure composed of a metal fiber, wherein the metal fiber is irregularly networked, and wherein the metal fiber has a fiber diameter of 5 to 30 μm; wherein the porous metal foil has a thickness of 3 to 40 μm and has an aperture ratio P of 3 to 60%, wherein the aperture ratio P is defined as: wherein W p /W n is a ratio of a weight W p of the porous metal foil to a theoretical weight W n of a non-porous metal foil having a composition and a size which are identical to those of the porous metal foil; wherein the porous metal foil has a first side having a higher glossiness, and a second side having a lower glossiness located on the opposite side of the first side; and wherein a ratio G