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US 10,230,104 B2Granted
Cathode active material and battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsRyuichi Natsui, Kensuke Nakura
Life of this patent
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Abstract
A cathode active material contains a compound represented by composition formula (1): LixNay{LiαNaβMn(1−α−β−z)Az}O2. In the formula, A represents at least one selected from the group consisting of Co, Ni, Fe, and Al, and the following conditions are met: 0.75≤x≤1.0, 0<y≤0.01, 0.75<x+y≤1, 0.16≤α≤0.3, 0<β≤0.01, 0.2≤α+β≤0.3, and 0≤z≤0.15.
Claims11
A cathode active material comprising a compound represented by composition formula (1):
- LixNay{LiαNaβMn(1−α−β−z)Az}O2 (1)
- where A represents at least one selected from the group consisting of Co, Ni, Fe, and Al, and the following conditions are met:
- 0.75≤x≤1.0;
- 0<y≤0.01;
- 0.75<x+y≤1;
- 0.16≤α≤0.3;
- 0<β≤0.01;
- 0.2<α+β≤0.3;
- and
- 0≤z≤0.15.
7 more elements
A battery comprising:
- a cathode containing a cathode active material;
- an anode;
- and
- an electrolyte;
- wherein
- the cathode active material contains a compound represented by composition formula (1):
- LixNay{LiαNaβMn(1−α−β−z)Az}O2 (1)
- where A represents at least one selected from the group consisting of Co, Ni, Fe, and Al, and the following conditions are met:
- 0.75≤x≤1.0;
- 0<y≤0.01;
- 0.75<x+y≤1;
- 0.16≤α≤0.3;
- 0<β≤0.01;
- 0.2<α+β≤0.3;
- and
- 0≤z≤0.15.
13 more elements
Dependencies are inferred from the claim text.