Fuel cell gas diffusion layer, fuel cell, and method for manufacturing fuel cell gas diffusion layer

• Main Authors: KAWASHIMA TSUTOMU, SHOJI MASASHI, IMURA SHINICHIRO, KONDOU KEIICHI
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to a fuel cell gas diffusion layer, a fuel cell, and a method for manufacturing the fuel cell gas diffusion layer. This fuel cell gas diffusion layer is provided with: porous layers (22, 42) containing at least conductive particles; groove-shaped fluid flow channels (24, 44) that are respectively provided in main surfaces (22a, 42a) of the porous layers (22, 42); and conductive line sections (26, 46), in which a plurality of conductive fibers (30) are gathered in layers, and which extend along the main surfaces (22a, 42a) and the shape of the surfaces of the fluid flow channels (24, 44), said conductive line sections having pores. 本发明涉及燃料电池用气体扩散层、燃料电池及燃料电池用气体扩散层的制造方法。燃料电池用气体扩散层具备：多孔质层(22、42)，至少含有导电性粒子；沟槽状的流体流路(24、44)，设置在多孔质层(22、42)的个主表面(22a、42a)；和导电线部(26、46)，集合多个导电性纤维(30)而成为层状，沿着个主表面(22a、42a)以及流体流路(24、44)的表面的形状而延伸，并且具有细孔。