Cell casing with a hermetic mechanical seal and a hermetically sealed sodium-sulfur cell
US3946751A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1975 |
| Grant date | Mar 30, 1976 |
| Priority date | — |
| Expiry date | Feb 18, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cell casing and a hermetically sealed sodium-sulfur cell are disclosed wherein the cell casing includes a hermetic mechanical seal joining two opposed outer metallic casing portions to a ceramic ring supporting an inner casing of a solid sodium ion-conductive material. A hermetically sealed sodium-sulfur cell has the above type of casing with a sodium negative electrode in the inner casing and a positive electrode of sulfur in conductive material in an outer casing portion surrounding the inner casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.