Lithium-containing complex oxide, non-aqueous secondary...

Details Lithium-containing complex oxide, non-aqueous secondary... Lithium-containing complex oxide, non-aqueous secondary...

2008-03-11

2008-03-11

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231800

Reexamination Certificate

active

07341805

ABSTRACT:
Because of the composition represented by General Formula: Li1+x+αNi(1−x−y+δ)/2Mn(1−x−y−δ)/2MyO2(where 0≦x≦0.05, −0.05≦x+α≦0.05, 0≦y≦0.4; −0.1≦δ≦0.1 (when 0≦y≦0.2) or −0.24≦δ≦0.24 (when 0.2<y≦0.4); and M is at least one element selected from the group consisting of Ti, Cr, Fe, Co, Cu, Zn, Al, Ge and Sn), a high-density lithium-containing complex oxide with high stability of a layered crystal structure and excellent reversibility of charging/discharging can be provided, and a high-capacity non-aqueous secondary battery excellent in durability is realized by using such an oxide for a positive electrode.

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