Separator for batteries and method of producing separator for batteries
US-2015372276-A1 · Dec 24, 2015 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2/166 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 814 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 62 |
| 2016 | 89 |
| 2017 | 149 |
| 2018 | 138 |
| 2019 | 150 |
| 2020 | 168 |
| 2021 | 58 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-aqueous-secondary-battery separator and non-aqueous secondary battery
US-2015372277-A1 · Dec 24, 2015 · US
Nonaqueous electrolyte secondary battery
US-9219292-B2 · Dec 22, 2015 · US
Separator having porous coating layer, and electrochemical device containing the same
US-2015357619-A1 · Dec 10, 2015 · US
Non-aqueous electrolyte secondary battery and vehicle
US-9209502-B2 · Dec 8, 2015 · US
Dense fluoropolymer film
US-2015349309-A1 · Dec 3, 2015 · US
Separator, method for producing the same and electrochemical device including the same
US-2015349312-A1 · Dec 3, 2015 · US
Lithium secondary battery of high power property with improved high power density
US-9203081-B2 · Dec 1, 2015 · US
Shape memory polymer material compositions, methods and applications
US-9190649-B2 · Nov 17, 2015 · US
Microporous membrane winding and method for manufacturing the same
US-9184429-B2 · Nov 10, 2015 · US
Bifunctional separators for lithium-sulfur batteries
US-2015318532-A1 · Nov 5, 2015 · US
Electrode assembly and method for constructing the same
US-9178201-B2 · Nov 3, 2015 · US
Anode structure of lithium sulfur battery
US-2015311489-A1 · Oct 29, 2015 · US
Separator having binder layer, and electrochemical device comprising the separator and method of preparing the separator
US-2015303003-A1 · Oct 22, 2015 · US
Battery separator and nonaqueous electrolyte battery
US-9166251-B2 · Oct 20, 2015 · US
Nonwoven fabric having cross-linking material
US-9159979-B2 · Oct 13, 2015 · US
Separator having porous coating layer, and electrochemical device containing the same
US-9142819-B2 · Sep 22, 2015 · US
Separator and nonaqueous electrolyte battery
US-2015263321-A1 · Sep 17, 2015 · US
Heat-resistant microporous film and battery separator
US-9136515-B2 · Sep 15, 2015 · US
Slurry for forming insulating layer, separator for electrochemical device, method for producing the same, and electrochemical device
US-2015236318-A1 · Aug 20, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2/166?
- CPC H01M2/166 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01M2/166 (Electricity)?
- Our database includes 814 publications tagged with this CPC code.
- Is patent activity under CPC H01M2/166 growing?
- Publication counts under this code: 168 in 2020 vs 58 in 2021 (latest complete years).