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US 11,637,277 B2Granted
Positive-electrode active material and battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsRyuichi Natsui, Kensuke Nakura
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Abstract
A positive-electrode active material containing a compound that has a crystal structure belonging to the space group FM-3M and is represented by the composition formula (1): LixMeyOαFβ (1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, and Al, and the following conditions are satisfied. 1.3≤x≤2.2, 0.8≤y≤1.3, 1≤α≤2.93, 0.07≤β≤2.
Claims12
A positive-electrode active material comprising a compound that has a crystal structure belonging to a space group FM-3M and is represented by the composition formula (1):
- LixMeyOαFβ (1)
- wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, and Al, and the following conditions are satisfied,
- 1.3≤x≤2.2,
- 0.8≤y≤1.3,
- 1≤α≤2.93,
- 0.07≤β≤2, and
- 1.5≤(4y−β)/α≤2.2.
4 more elements
Dependencies are inferred from the claim text.