Power supply device, vehicle having same, and buffer
US11929479B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2019 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Jan 3, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Power supply device includes a plurality of secondary battery cells, a pair of end plates that cover both end faces of battery stack in which the plurality of secondary battery cells are stacked, a plurality of fastening members that fasten end plates to each other, a plurality of pressing parts that press upper surfaces of the plurality of secondary battery cells respectively, and buffer interposed between pressing parts and the upper surfaces of secondary battery cells. Buffer includes a plurality of covers made of resin, and a connecting part, having flexibility, for connecting two of the plurality of covers. Buffer is configured such that each of the plurality of covers is disposed on the upper surface of corresponding one of secondary battery cells, and each of pressing part abuts on the upper surface of the corresponding cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.