Metal-air accumulator with air electrode protection device
US9293757B2 · kind B2 · utility
1,059Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2012 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Nov 20, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a rechargeable accumulator comprising one or more metal-air cells, each cell comprising a metallic negative electrode, a first positive electrode for releasing oxygen, a second positive electrode which is a porous air electrode containing at least one oxygen reducing catalyst, and an automatic device for protecting the air electrode during the charging and discharging phases of the accumulator. The invention also relates to a method for storing and releasing electrical energy using such an accumulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.