Electrode for alkaline storage batteries and process for produci

Details Electrode for alkaline storage batteries and process for produci Electrode for alkaline storage batteries and process for produci

1998-03-19

2000-08-08

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429236, 429223, 429221, 429206, H01M 480, H01M 432, H01M 436

Patent

active

060999918

ABSTRACT:
An electrode excellent in high-rate discharge characteristics is provided by increasing the adhesive strength of the conductive core material to the sintered nickel porous body which form the sintered type substrate. The electrode of the present invention uses a sintered substrate containing a part wherein the diameter of the pores of the sintered nickel porous body becomes successively smaller from the joining interfaces of the conductive core material toward the outside surfaces of the substrate. The region wherein the diameter is greater than in other parts preferably ranges within about 1/5 of the substrate thickness starting from both surfaces of the core material toward the outside surfaces of the substrate.

REFERENCES:
patent: 4251603 (1981-02-01), Matsumoto et al.
patent: 5561002 (1996-10-01), Sakamoto et al.
patent: 5563765 (1996-10-01), Lian et al.
patent: 5840444 (1998-11-01), Takashima et al.
European Search Report (Sep. 28, 1998).

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