Protection device using 1S circuits, for a battery assembly of electrochemical cells
US6838857B2 · kind B2 · utility
3Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2003 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Jul 10, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery assembly comprises at least two electrochemical cell modules (1-i) connected in series and each comprising at least one electrochemical cell (2), associated with a protection device comprising as many primary protection blocks (5-i) as there are electrochemical cell modules (1-i), each block (5-i) being connected in parallel with a respective one of the electrochemical cell modules (1-i) and comprising at least one 1S type electronic protection circuit (6) and a diode (7) connected in parallel with the 1S circuit and upstream therefrom relative to the current flow direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.