Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent
1996-03-19
1997-06-10
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Plural concentric or single coiled electrode
429223, H01M 610
Patent
active
056374160
ABSTRACT:
A cylindrical battery having a high utilization rate and a high discharge capacity rate is disclosed. It has an electrode group configured by rolling up two sheet electrodes of opposite polarity in spiral fashion interposing a separator therebetween, wherein one of the electrodes is provided with a porous metal substrate having a higher porosity layer and a lower porosity layer which has a considerably smaller thickness than that of the higher porosity layer, and an active material filled substantially in the spaces of the higher porosity layer of the porous metal substrate.
REFERENCES:
patent: 3314821 (1967-04-01), Lambert et al.
patent: 4251603 (1981-02-01), Matsumoto et al.
patent: 5487961 (1996-01-01), Straungways et al.
patent: 5542958 (1996-08-01), Furukawa
Mikuriya Hitoshi
Okamoto Katsuhiro
Okinaga Kaoru
Watanabe Masaru
Yoshii Fumihiko
Matsushita Electric - Industrial Co., Ltd.
Skapars Anthony
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