All solid state battery
US11984585B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 24, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Jun 14, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An all solid state battery includes a cathode, an anode, an opposing region, a non-opposing region, and a solid electrolyte layer, and an anode active material layer includes an anode active material, and a sulfide solid electrolyte, the anode current collector is a current collector that react with the sulfide solid electrolyte at an open circuit potential of the anode active material, the anode current collector includes a coating layer including lithium titanate, on a surface of the anode active material layer side, in plan view, the coating layer includes one or two or more of an existence portion and non-existence portion respectively, in the region specified by an outer edge of the anode current collector, and in plan view, the coating layer includes the existence portion in at least a part of the opposing region, and includes the non-existence portion in at least a part of the non-opposing region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.