Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1984-04-20
1985-12-10
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 35, 429162, 429185, H01M 202, H01M 1206
Patent
active
045579830
ABSTRACT:
In an air/oxygen button cell the multilayer air electrode is reliably held in place between an inwardly extending rib which is formed in the bottom of the cathode cup and a sealing base which is associated with the cup forming the negative electrode. The sealing base acts like a domed spring under tension because of a sloping portion provided in its bottom in the region above the rib. The air electrode remains flat and is secure against lateral displacements.
REFERENCES:
patent: 3897265 (1975-07-01), Jaggard
patent: 4054726 (1977-10-01), Sauer et al.
patent: 4189526 (1980-02-01), Cretzmeyer et al.
patent: 4343869 (1982-08-01), Ottman et al.
Skapars Anthony
Varta Batterie Aktiengesellschaft
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