Coating fluid, laminated porous film, and non-aqueous electrolyte secondary battery
US10177361B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jun 17, 2013 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Oct 19, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A coating liquid according to the present invention comprises polyvinyl alcohol (PVA), boric acid and/or an organometallic compound having the ability of cross-linking PVA, an inorganic filler, a water-soluble compound having a carboxyl group and/or a sulfonic group, and water. According to the present invention, a coating liquid can be obtained which is useful in the preparation of a laminated porous film having suppressed powder fall-off and excellent heat shape stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.