Sodium-sulfur electric cell and process for manufacturing...

Details Sodium-sulfur electric cell and process for manufacturing... Sodium-sulfur electric cell and process for manufacturing...

H - Electricity

01

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319/105

H01M 2/02 (2006.01) H01M 10/38 (2006.01) H01M 10/39 (2006.01)

Patent

CA 1292038

Abstract: A sodium-sulfur electric cell structure has a joint between a cathode tube and an anode tube. The cathode and anode tubes are each made of an iron-nickel base alloy and are joined to each other through the medium of a ceramic ring and an aluminum insert provided on both sides of the ceramic ring. A chromium or chromium-rich layer is formed at the boundary between the insert and each tube. This arrangement eliminates the problem of cracking, improves the airtightness and enables production of large-sized electric cells.

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