Porous metal sheet, battery electrode plate composed of...

Details Porous metal sheet, battery electrode plate composed of... Porous metal sheet, battery electrode plate composed of...

H - Electricity

01

M

H01M 4/36 (2006.01) B22F 7/00 (2006.01) H01M 4/64 (2006.01) H01M 4/80 (2006.01)

Patent

CA 2311441

A porous metal sheet, for use in a battery electrode substrate, composed of a two-layer structure consisting of a first and second foamed metal layers or a structure having three or more layers consisting of the first and second foamed metal layer, a mesh metal layer and the like sandwiched between said first and second layer. The number of cells of the first foamed metal layer is smaller than that of the second foamed metal layer. The electrode plate is spirally wound with the second foamed metal layer located at a peripheral side and with the first foamed metal layer located at an inner peripheral side.

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