Porous layer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 23, 2018
Issued Date -
N/A
app pub date -
Jan 4, 2017
filing date -
Mar 11, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
As a nonaqueous electrolyte secondary battery porous layer having an excellent cycle characteristic, provided is a nonaqueous electrolyte secondary battery porous layer containing: an inorganic filler; and a polyvinylidene fluoride-based resin, the nonaqueous electrolyte secondary battery porous layer containing the inorganic filler in an amount of not less than 50% by weight relative to a total weight of the inorganic filler and the polyvinylidene fluoride-based resin, the polyvinylidene fluoride-based resin containing an α-form polyvinylidene fluoride-based resin and a β-form polyvinylidene fluoride-based resin, assuming that a sum of (i) an amount of the α-form polyvinylidene fluoride-based resin and (ii) an amount of the β-form polyvinylidene fluoride-based resin is 100 mol %, the amount of the α-form polyvinylidene fluoride-based resin being not less than 45 mol %.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 7 Citation Count
- H01M Class
- 31.62 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 23, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 23, 2029 |
