Electrochemical cell with fluid-tight casing and method of construction
US3971673A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1975 |
| Grant date | Jul 27, 1976 |
| Priority date | — |
| Expiry date | Jun 16, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention concerns an electric cell having a fluid-tight box comprising a metallic tank having a bottom and a lateral wall and at least one current output insulated from the tank. That cell is characterized more particularly in that the housing comprises, moreover, a metallic sleeve surrounding the lateral wall of the tank, stopped up in a fluid-tight manner at its first end by the tank and at its second end by a glass seal through which the current output crosses in a fluid-tight manner. The glass seal and metallic sleeve have substantially equal coefficients of expansion. The invention applies to electrochemical cells having small dimensions and more particularly to lithium cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.