Chemistry: electrical current producing apparatus – product – and – Sealed cell having gas prevention or elimation means – Prevention or elimination means is one of the cell...
Patent
1996-12-16
1998-08-04
Nuzzolillo, M.
Chemistry: electrical current producing apparatus, product, and
Sealed cell having gas prevention or elimation means
Prevention or elimination means is one of the cell...
429101, H01M 1034
Patent
active
057890978
ABSTRACT:
A gas-tight maintenance-free cell or battery comprises positive nickel oxide electrodes having a fibrous structure, gas-impermeable separators, a fixed alkaline electrolyte, negative metal electrodes having a fibrous structure and a higher charging and discharging capacity than in the case of the positive electrodes, and electroconductive gas diffusion compartments. The cell operating according to the oxygen cycle. The metallized fibrous-structure electrode frameworks of the negative electrodes are filled with the active material only in certain zones. Those zones of the fibrous-structure electrode frameworks of the negative electrode which are not filled with the active material, serve as gas diffusion zones, integrated into the frameworks, for the oxygen to be discharged at the negative electrode.
REFERENCES:
patent: 2941022 (1960-06-01), Mandel
patent: 3108908 (1963-10-01), Krebs
patent: 3207631 (1965-09-01), Zaromb
patent: 4621034 (1986-11-01), Kanda et al.
patent: 5043234 (1991-08-01), Tomanlschger et al.
patent: 5122426 (1992-06-01), Simon et al.
Imhof Otwin
Kistrup Holger
Deutsche Automobilgesellschaft mbH
Nuzzolillo M.
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