Apparatus and method for estimating voltage of secondary battery including blended cathode material
US9207287B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2013 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Aug 22, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for estimating a voltage of a secondary battery which includes a cathode including a first cathode material and a second cathode material with different activating voltage ranges, an anode including an anode material and a separator for separating the cathode from the anode. The apparatus includes a control unit configured to estimate a voltage of a secondary battery based on a circuit model including a first cathode material circuit, a second cathode material circuit and an anode material circuit, each circuit modeled to change its voltage according to a State Of Charge (SOC) of the electrode material corresponding the circuit and a current flowing through the circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.