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US 10,854,917 B2Granted
All solid-state lithium ion secondary battery
AssigneeTDK Corporation
InventorsHiroshi Sato, Masahiro Oishi, Takeo Tsukada, Gakuho Isomichi, Tetsuya Ueno
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Abstract
An active material layer containing a compound represented by a general formula (1): LiaVbAlcTidPeO12 (1), where a, b, c, d, and e in the general formula (1) are numbers satisfying 0.5≤a≤3.0, 1.20<b≤2.00, 0.01≤c<0.06, 0.01≤d<0.60, and 2.80≤e≤3.20; and a solid electrolyte layer containing a compound represented by a general formula (2): LifVgAlhTiiPjO12 (2), where f, g, h, i, and j in general formula (2) are numbers satisfying 0.5≤f≤3.0, 0.01≤g<1.00, 0.09<h≤0.30, 1.40<i≤2.00, and 2.80≤j≤3.20.
Claims15
An all-solid lithium ion secondary battery comprising:
- a pair of electrode layers;
- and
- a solid electrolyte layer provided between the pair of electrode layers,
- wherein at least one electrode layer of the pair of electrode layers has an active material layer containing a compound represented by a general formula (1), and
- the solid electrolyte layer contains a compound represented by a general formula (2),
- LiaVbAlcTidPeO12 (1),
- where a, b, c, d, and e in the general formula (1) are numbers satisfying 0.5≤a≤3.0, 1.20≤b≤2.00, 0.01≤c≤0.06, 0.01≤d≤0.60, and 2.80≤e≤3.20,
- LifVgAlhTiiPjO12 (2),
- where f, g, h, i, and j in the general formula (2) are numbers satisfying 0.5≤f 3.0, 0.01≤g<1.00, 0.09<h≤0.30, 1.40<i<2.00, and 2.80≤j≤3.20.
6 more elements
Dependencies are inferred from the claim text.