Battery paste recycling process
US5690718A · kind A · utility
17Cited by
15References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 6, 1995 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Oct 6, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/84
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of recovering fine lead-containing particles (battery paste) from expended lead-acid batteries in a form which can be used as battery paste in the manufacturing of new batteries without smelting is disclosed. A method of heating lead carbonate particles to about 315.degree. C. to convert them to lead monoxide particles for use in battery manufacturing is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.