Multi-layer positive electrode structures having a silver-containing layer for miniature cells
US7648799B2 · kind B2 · utility
2Cited by
15References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 30, 2007 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Sep 5, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A silver-containing alkaline electrochemical cell and methods for producing the cell, wherein the cell includes a negative electrode, a positive electrode, a separator disposed between the electrodes, and an alkaline electrolyte, wherein the positive electrode is formed as a multi-layer composite including a silver-containing oxide layer and a barrier layer, initially free of silver-containing material, disposed between the silver-containing oxide layer and the separator for substantially reducing migration of silver ions to the separator and negative electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.