Negative electrode mixture for nonaqueous electrolyte secondary batteries, negative electrode for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery
US8642210B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Aug 13, 2009 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | May 13, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A negative electrode mixture for nonaqueous electrolyte secondary batteries that can form a mixture layer showing excellent peel strength with a collector in the manufacturing of negative electrodes for nonaqueous electrolyte secondary batteries is provided. The negative electrode mixture for nonaqueous electrolyte secondary batteries includes at least one inorganic substance selected from hydrogen chloride, hydrogen bromide, sulfuric acid and inorganic salts represented by Formula (A) below, an electrode active material, a polar group-containing vinylidene fluoride polymer and an organic solvent, the inorganic substance being contained at 10 to 500 ppm based on 100 wt % of the electrode active material; MX . . . (A), wherein M is an alkali metal, and X is Cl or Br.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.