Solid state electrochemical cell having porous cathode current collector
US4925752A · kind A · utility
Inventors
Key dates
| Filing date | Mar 3, 1989 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Mar 3, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solid state laminar electrochemical cell comprising: PA0 an alkali metal anode layer; PA0 a solid ionically conducting electrolyte layer; and PA0 a cathode/current collector layer; wherein said electrolyte layer is interposed between said alkali metal anode layer and said cathode/current collector layer and wherein said cathode/current collector layer comprises an electrically conductive substrate having a plurality of surface voids and a composite cathode composition comprising an intercalation compound, an electrically conductive filler and an ionically conductive electrolyte, said cathode composition being coated on the surface of said substrate facing said electrolyte layer and being maintained in the voids of said surface is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.