Electrode for a lead accumulator
US4297420A · kind A · utility
21Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1980 |
| Grant date | Oct 27, 1981 |
| Priority date | — |
| Expiry date | Sep 24, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an electrode for a lead accumulator. It includes an electronically conductive core coated with an active material which contains grains of lead monoxide, lead sulphate and a binding agent which is suitable for forming a three-dimensional thread-like network, characterized in that said electrode further includes a material which is insoluble in sulphuric acid and permeable to conductivity ions, the material being chosen from the group which includes polyacrylic acid and hydroxyethylmethacrylate and being used in a proportion by weight of 0.25 to 2% with respect to said lead monoxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.