Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent
1994-04-15
1996-03-26
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
Plural concentric or single coiled electrode
429120, H01M 610, H01M 1050
Patent
active
055019161
ABSTRACT:
A battery has a through-hole traversing a battery main body and opened to outside. The battery has a vessel having a central through-hole, and a spiral-shaped electrode, made up of a strip-shaped positive electrode and a strip-shaped negative electrode wound about a cylindrical core a number of times with a separator in-between, is mounted in the battery vessel so that an opening of the cylindrical core is substantially coincident with the through-hole in the battery vessel. The battery vessel is sealed after charging a liquid electrolyte. One or more thin metal plates are inserted and secured in the through-hole, or one or more heat-dissipating fins are radially formed around the opening end of the through-hole. The battery has good heat-dissipating properties and is superior in strength and energy density.
REFERENCES:
patent: 2385127 (1945-09-01), Carlile
patent: 3490949 (1970-01-01), Deschamps
patent: 3682706 (1972-08-01), Yardney et al.
patent: 4189527 (1980-02-01), Stadnick et al.
patent: 4262064 (1981-04-01), Nagle
patent: 5183222 (1993-02-01), Ramsey, Jr.
patent: 5288564 (1994-02-01), Klein et al.
Sugeno Naoyuki
Teramoto Kazunori
Maples John S.
Sony Corporation
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