Active material for battery, nonaqueous electrolyte battery, and battery pack
US10217995B2 · kind B2 · utility
4Cited by
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19Claims
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Key dates
| Filing date | Sep 17, 2014 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Oct 26, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An active material containing a monoclinic β-type titanium oxide or a monoclinic β-type titanium complex oxide. A carbonate ion is disposed on at least a part of a surface of the active material. The active material has a peak belonging to a carbonate ion in at least a. region of 1430±30 cm−1, 1500±30 cm−1 and 2350±30 cm −1 in an infrared diffuse reflection spectrum obtained using a Fourier transform infrared spectrophotometer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.