H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/80 (2006.01) B01D 39/20 (2006.01) B22F 1/00 (2006.01) B22F 3/00 (2006.01) B22F 3/11 (2006.01) H01M 4/74 (2006.01)
Patent
CA 2163819
Metallic powders are extruded from a spinning nozzle to form metallic fibers each having a diameter of 1.0µm - 100µm. The resultant metallic fibers are formed into a sheet having a porous structure, such as a nonwoven sheet, or the like. Thereafter, the sheet is sintered. An active substance is applied to pores of the resultant porous metallic sheet to make it usable as an electrode substrate of a battery. The metallic fibers are three-dimensionally intertwined with each other by using a fluid at high pressure and high speed. The surfaces of the intertwined metallic fibers are fused together under pressure at a temperature lower than the melting point of the metal in order to directly connect intersections of the fibers to form the porous metallic sheet.
Katayama Special Industries Ltd.
Kirby Eades Gale Baker
Sugikawa Hirofumi
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