Positive electrode active material and non-aqueous...

Details Positive electrode active material and non-aqueous... Positive electrode active material and non-aqueous...

H - Electricity

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M

H01M 4/36 (2006.01) C01B 25/45 (2006.01) H01M 10/24 (2006.01) H01M 4/48 (2006.01) H01M 4/50 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2344903

A positive electrode active material and a non-aqueous electrolyte cell which uses the positive electrode active material. The cell has a high discharge voltage without lowering the capacity and superior charging/discharging characteristics. To this end, the positive electrode active material contains a compound represented by the general formula Li xMn yFe1-yPO4, wherein 0 <x~ 2 and 0.5 <y< 0.95, or a compound represented by the general formula Li xMn yA1-yPO4, where 0 < x ~ 2 and 0 < y < 1 and wherein A is a metal element selected from among Ti, Zn, Mg and Co or plural metal elements selected from among Ti, Fe, Zn, Mg and Co.

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