H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/37
H01M 10/34 (2006.01) H01M 4/24 (2006.01) H01M 4/02 (2006.01) H01M 4/36 (2006.01) H01M 4/62 (2006.01) H01M 4/76 (2006.01) H01M 10/52 (2006.01) H01M 4/52 (2006.01)
Patent
CA 1295664
Abstract of the Disclosure Alkaline Ni/Cd round cells (button cells) which are able to withstand long-term overloading with a relatively high current (five-hour current) for a practically unlimited time and still deliver approximately their rated capacity on discharge with an equal current after 12 months. The button cells of the invention comprise a negative electrode tablet provided with an auxiliary electrode comprising activated carbon integrated in the nickel wire gauze basket and a positive electrode constituted of a material which contains 20 wt.% to 35 wt.% metallic nickel as the second largest component of the mixture after Ni(OH)2, while the otherwise common conductive graphite is absent.
575249
Fetherstonhaugh & Co.
Varta Batterie Aktiengesellschaft
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