Aluminium battery with electrolyte circulation means
US5376471A · kind A · utility
29Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1993 |
| Grant date | Dec 27, 1994 |
| Priority date | — |
| Expiry date | Apr 22, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M50/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aluminum cell comprises an electrolysis region with a top reservoir and a sump below. Circulation of electrolyte is by convection. The cell is designed to continue operation past the point at which the electrolyte becomes saturated, and an aluminum hydroxide precipitate settles out by gravity in a stagnant lower region of the sump. The anode is preferably of an aluminum alloy containing magnesium, with tin present in the alloy or in the electrolyte. Batteries comprising stacks of such cells are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.