Lithium secondary battery and positive electrode for the battery
US9559359B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Oct 2, 2009 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Feb 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The lithium secondary battery positive electrode provided by the present invention has a positive electrode collector and a positive active material layer formed on the collector. The positive active material layer is composed of a matrix phase containing at least one particulate positive active material and at least one binder, and an aggregate phase dispersed in the matrix phase, constituted by aggregation of at least one particulate positive active material and containing substantially no binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.