Non-aqueous secondary cell

Details Non-aqueous secondary cell Non-aqueous secondary cell

H - Electricity

01

M

319/82

H01M 4/40 (2006.01) H01M 4/48 (2006.01) H01M 4/50 (2006.01) H01M 10/24 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2022898

A rechargeable non-aqueous secondary cell comprising a negative electrode; a positive electrode comprising a lithium-including manganese oxide as an active material, the lithium-including manganese oxide having a specific surface area measured by the BET method of 9.0m2/g to 67.5m2/g; and a separator interposed between the positive and the negative electrodes and impregnated with a non- aqueous electrolyte. A rechargeable non-aqueous secondary cell comprising a negative electrode; a positive electrode comprising a lithium-including manganese oxide as an active material, grain sizes of which are substantially 20µm or less when observed by a scanning electron microscope; and a separator interposed between the positive and said negative electrodes.

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