High temperature dischargeable galvanic primary element...

Details High temperature dischargeable galvanic primary element... High temperature dischargeable galvanic primary element...

H - Electricity

01

M

319/37

H01M 6/06 (2006.01) H01M 2/16 (2006.01)

Patent

CA 1290394

ABSTRACT A primary element is provided which is dischargeable at high temperatures comprising an alkaline electrolyte in a metallic annular cylindrical housing which encloses in inwardly directed concentric order: an outer positive silver oxide or manganese dioxide electrode in the form of a pressed powder cylinder and an inner negative electrode comprising a concentrically wound cadmium electrode wherein said negative electrode is separated from said positive electrode by a separator interposed therebetween. In storage and testing it has been shown that cells produced in accordance with the present invention may be kept at temperatures of the order of 200°C for over six weeks without any loss of operability.

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