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
1977-03-18
1977-11-01
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Sealed cell having gas prevention or elimation means
Prevention or elimination means is one of the cell...
429206, H01M 1034
Patent
active
040566609
ABSTRACT:
A rechargeable nickel-cadmium cell including a plurality of alternately arranged positive and negative electrodes. An oxygen sensing electrode is provided between one of the positive and one of the negative electrodes and connected to the negative terminal of the cell through an external resistor. The sensing electrode includes a suitable substrate on which cadmium is caused to be deposited, the cadmium, in the preferred form of the invention, being deposited in an amount approximately 20% of that employed in making the negative electrodes of the cell. Thereafter, the electrode is treated with silver and also, in one form of the invention, with a hydrophobic fluorocarbon polymer, such as polytetrafluoroethylene, these materials being dispersed in intimate contact with the relatively porous cadmium deposit.
REFERENCES:
patent: 3350225 (1967-10-01), Seiger
patent: 3410725 (1968-11-01), Harivel
patent: 3554804 (1971-01-01), Carson, Jr.
patent: 3554805 (1971-01-01), Weinstock
patent: 3630781 (1971-12-01), Rampel
patent: 3769088 (1973-10-01), Seiger et al.
patent: 3877985 (1975-04-01), Rampel
Rampel Guy G.
Young Jon R.
Dearing Dennis A.
General Electric Company
LeFevour Charles F.
Neuhauser Frank L.
Voss Donald J.
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