Battery electrode
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsIsao Matsumoto, Tsutomu Iwaki, Nobuyuki Yanagihara
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Abstract
A battery electrode comprises a plaque made of a sponge-like porous metal matrix having a multiplicity of cells connected with each other three-dimensionally, wherein the sectional area of the gratings making up the sponge-like metal porous plaque decreases continuously along the thickness of the plaque from the surface toward the central part and an active material is impregnated in the porous plaque.
Claims7
In a battery electrode having a plaque of a sponge-like porous metal matrix having a multiplicity of cells therein connected with each other three-dimensionally, the improvement wherein the sectional area of the gratings making up said sponge-like porous metal plaque is reduced continuously along the thickness of said plaque from the surface to the central part thereof and an active material is impregnated in said porous plaque.
Dependencies are inferred from the claim text.