Lithium ion battery control system and assembled battery control system
US9153845B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Oct 23, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium ion battery control system includes a degradation rate calculating unit, a degradation rate storage unit, a degradation rate comparing unit, a charging and discharging control circuit, and a rechargeable battery. The degradation rate calculating unit calculates a degradation rate when receiving a trigger for starting the check of the degradation rate of the battery. The degradation rate comparing unit receives a present degradation rate from the degradation rate calculating unit and a previous degradation rate from the degradation rate storage unit and compares both degradation rates. As a result, when the present degradation rate is greater than the previous degradation rate by a predetermined value, a charging and discharging condition is limited.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.