External terminal, having structure for preventing leakage of electrolyte, for electric energy storage device
US10074488B2 · kind B2 · utility
2Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2016 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Jan 14, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An external terminal for an electric energy storage device, which is coupled to an upper end of a cylindrical metal case to cap the metal case and has a hollow formed at a center thereof so that a safety valve is installed therein, wherein the metal case includes an outer part exposed to the outside in an erect state in a normal direction and an inner part positioned below the outer part, and wherein the inner part includes a first surface adjacent to the hollow and a second surface stepped higher than the first surface (112a) toward the outer part (111).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.