Energy storage device
US11640880B2 · kind B2 · utility
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 29, 2018 |
| Grant date | May 2, 2023 |
| Priority date | — |
| Expiry date | Jul 22, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An energy storage device includes: a case including a case body and a lid; and electrode terminals (positive electrode terminal, negative electrode terminal) fixed to the lid. A junction portion for joining the case body and the lid to each other is formed on a surface of the case on an electrode terminal side. The lid includes recessed portions disposed along and adjacent to the junction portion without being disposed between the electrode terminal and the junction portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.