Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1994-10-14
1995-07-18
Niebling, John
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429222, 429223, 429229, 429245, H01M 432, H01M 466
Patent
active
054340233
ABSTRACT:
There is provided a paste-type electrode for an alkali secondary cell which can suppress occurrence of internal short-circuiting, which is likely to happen when an electrode is rolled along with another electrode having the opposite polarity and a separator interposed therebetween. The paste-type electrode for an alkali secondary cell comprises a three-dimensional substrate including a felt-like metal porous member in which a plurality of hollow metal fibers are arranged three-dimensionally, diameters of those of the metal fibers arranged near the surface portion of the porous member being greater than those arranged in the inner portion, an average diameter of those of the metal fibers near the surface portion being in a range of 20 to 150 .mu.m, and an average diameter of those of the metal fibers in the inner portion being in a range of 10 to 100 .mu.m, and paste containing an activation substance filled in the three-dimensional substrate.
REFERENCES:
patent: 4940553 (1990-07-01), von Benda et al.
patent: 4985318 (1991-01-01), Oshitani et al.
patent: 5032475 (1991-07-01), Hasebe et al.
patent: 5077149 (1991-12-01), Ikoma et al.
patent: 5200282 (1993-04-01), Ohnishi et al.
patent: 5242768 (1993-09-01), Nagatsuka et al.
Hata Katuyuki
Ishiwa Kouji
Miyamoto Kunihiko
Teraoka Hirohito
Bell Bruce F.
Niebling John
Toshiba Battery Co., Ltd.
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