Positive electrode active material and nonaqueous...

Details Positive electrode active material and nonaqueous... Positive electrode active material and nonaqueous...

2006-01-10

2006-01-10

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231600, C429S223000, C252S182100, C252S521600

Reexamination Certificate

active

06984470

ABSTRACT:
A positive electrode active material and a nonaqueous electrolyte secondary battery containing a lithium-containing composite metal oxide having a composition represented by: Li1+yM1−y−zM1zPO4where M is at least one of Co and Ni, and M1 is at least one of Mg, Zr and Al, the molar ratio y is larger than 0 and smaller than 0.5, and the molar ratio z is larger than 0 and not larger than 0.5 is provided.

REFERENCES:
patent: 6632566 (2003-10-01), Yamada et al.
patent: 2002/0150816 (2002-10-01), Sakai et al.
patent: 2003/0170542 (2003-09-01), Barker et al.
patent: 2004/0265695 (2004-12-01), Barker et al.
patent: 09-134724 (1997-05-01), None
K. Amine, et al., “Ollvine LICoPO44.8 V Electrode Material for Lithium Batteries”, Electrochemical and Solid-State Letters, 2000, pp. 178-179, no month available.
Pending U.S. Appl. No. 10/050, 926 filed Jan. 22, 2002.

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