Secondary battery cathode active material, secondary battery...

Details Secondary battery cathode active material, secondary battery... Secondary battery cathode active material, secondary battery...

2006-03-14

2006-03-14

Kalafut, Stephen J. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S224000, C429S231100, C429S231900, C423S594400, C423S594600

Reexamination Certificate

active

07011907

ABSTRACT:
A cathode active material for a lithium-ion secondary battery includes a spinel lithium manganese composite oxide expressed by the general formula: Lia(NixMn2−x−q−rQqRr)O4, wherein 0.4≦x≦0.6, 0<q, 0≦r, x+q+r<2, 0<a<1.2, Q is at least one element selected from the group consisting of Na, K and Ca, and R is at least one element selected from the group consisting of Li, Be, B, Mg and Al.

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Proceedings of the 41st Battery Symposium, Nov. 20-22, 2000, p. 458.

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