Battery system and method for system state of charge determination
US9030169B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2009 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Feb 29, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery system and method of providing a state of charge of for the system in one embodiment includes at least one first cell, the at least one first cell having a first battery chemistry exhibiting a first open circuit potential, and at least one second cell in series connection with the at least one first cell, the at least one second cell having a second battery chemistry exhibiting a second open circuit potential, wherein the at least one first cell exhibits an open circuit potential with a center slope that is greater than the center slope of the open circuit potential exhibited by the at least one second cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.