Battery characteristic determining device for a vehicle
US9910100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2014 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Apr 6, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/3842
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A battery characteristic determining device includes a control module and a processing module. The control module outputs a control signal when a battery module is in a charging state and an SOC (state of charge) of the battery module reaches a predetermined target value, so as to result in change of a current of the battery module to a predetermined test value for a predetermined test time period. The predetermined test value is such that the change of the current causes a voltage of the battery module to decrease in the predetermined test time period. The processing module obtains a voltage variation of the battery module in the predetermined test time period, and a C rate of the battery module with reference to the voltage variation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.