Metallic sulfide additives for positive electrode material...

Details Metallic sulfide additives for positive electrode material... Metallic sulfide additives for positive electrode material...

H - Electricity

01

M

319/80

H01M 4/58 (2006.01) H01M 10/39 (2006.01)

Patent

CA 1058284

ABSTRACT OF THE DISCLOSURE An improved active material for use within the positive electrode of a secondary electrochemical cell includes a mixture of iron disulfide and a sulfide of a polyvalent metal. Various metal sulfides, particularly sulfides of cobalt, nickel, copper, cerium and manganese, are added in minor weight proportion in respect to iron disulfide for improving the electrode performance and reducing current collector requirements.

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