Automatic method for estimating the state of charge of a cell of a battery
US10393812B2 · kind B2 · utility
1Cited by
1References
9Claims
0Family size
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Key dates
| Filing date | Nov 26, 2015 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Mar 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for estimating state-of-charge of a battery cell includes suppressing full execution of a capacitance-estimation algorithm for as long as a parameter does not exceed a certain threshold. The parameter is either a measured voltage value across the cell's terminals, the cell's estimated state-of-charge, or an amount of charge passing in or out of the cell during some interval. A battery-management system triggers full execution when the parameter falls below the threshold, or, if the parameter is the amount of charge passing, when it rises above the threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.