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US 2014/0212746 A1Published application
Lithium secondary battery for high voltage
AssigneeSamsung SDI Co., Ltd.
InventorDaesik KIM
Life of this patent
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Abstract
A lithium secondary battery for producing a high voltage, the lithium secondary battery including a negative electrode; a cyclic polyamine compound as an additive; and a positive electrode including a high-voltage spinel-type positive active material represented by Formula 1: Li1+xNiyMn2−y−zMzO4+w (1) wherein, in Formula 1, 0≦x<0.2, 0.4≦y≦0.6, 0≦z≦0.2, 0≦w≦0.1, and M is at least one element selected from the group of Al, Ti, Mg, Zn, Mo, Y, Zr and Ca.
Claims10
A lithium secondary battery for producing a high voltage, the lithium secondary battery comprising:
- a negative electrode;
- a cyclic polyamine compound as an additive;
- and
- a positive electrode including a high-voltage spinel-type positive active material represented by Formula 1:
- Li1+xNiyMn2−y−zMzO4+w (1)
- wherein, in Formula 1, 0≦x<0.2, 0.4≦y≦0.6, 0≦z≦0.2, 0≦w≦0.1, and M is at least one element selected from the group of Al, Ti, Mg, Zn, Mo, Y, Zr and Ca.
3 more elements
Dependencies are inferred from the claim text.