Separator of electrode assembly, and method and device for preparing separator of electrode assembly
US-2024313359-A1 · Sep 19, 2024 · US
Inorganic material
Inorganic material · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M50/431 |
| Official title | Inorganic material |
| Display label | Inorganic material |
| Total patents | 2,194 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 105 |
| 2016 | 81 |
| 2017 | 122 |
| 2018 | 118 |
| 2019 | 150 |
| 2020 | 197 |
| 2021 | 213 |
| 2022 | 284 |
| 2023 | 246 |
| 2024 | 270 |
| 2025 | 356 |
| 2026 | 52 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Batteries incorporating graphene membranes for extending the cycle-life of lithium-ion batteries
US-2015364738-A1 · Dec 17, 2015 · US
Use of a ceramic separator in lithium ion batteries, comprising an electrolyte containing ionic fluids
US-9214659-B2 · Dec 15, 2015 · US
Stack-folding type electrode assembly
US-2015357671-A1 · Dec 10, 2015 · US
Printable Ionic Gel Separation Layer For Energy Storage Devices
US-2015357125-A1 · Dec 10, 2015 · US
Separator having porous coating layer, and electrochemical device containing the same
US-2015357619-A1 · Dec 10, 2015 · US
Lithium-ion cell
US-2015357618-A1 · Dec 10, 2015 · US
Non-aqueous electrolyte secondary battery and vehicle
US-9209502-B2 · Dec 8, 2015 · US
Microporous polyolefin film and separator for storage cell
US-9203072-B2 · Dec 1, 2015 · US
Battery cells with lithium ion conducting tape-cast ceramic, glass and glass-ceramic membranes
US-2015340720-A1 · Nov 26, 2015 · US
Micro-Porous Hybrid Film Having Electro-Chemical Stability and Method for Preparing the Same
US-2015333311-A1 · Nov 19, 2015 · US
Nonaqueous electrolyte secondary battery
US-9190668-B2 · Nov 17, 2015 · US
Polymer electrolyte, lithium secondary battery using same, and method for manufacturing lithium secondary battery
US-2015318570-A1 · Nov 5, 2015 · US
Lead-acid battery separators, electrodes, batteries, and methods of manufacture and use thereof
US-2015318529-A1 · Nov 5, 2015 · US
Diatomaceous energy storage devices
US-2015287978-A1 · Oct 8, 2015 · US
Non-aqueous electrolyte battery and method of manufacturing the same
US-2015287996-A1 · Oct 8, 2015 · US
Lithium composite metal oxide and positive electrode active material
US-9147905-B2 · Sep 29, 2015 · US
Battery
US-2015270518-A1 · Sep 24, 2015 · US
Separator having porous coating layer, and electrochemical device containing the same
US-9142819-B2 · Sep 22, 2015 · US
Protected lithium electrodes having tape cast ceramic and glass-ceramic membranes
US-9136568-B2 · Sep 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M50/431?
- CPC H01M50/431 is the Cooperative Patent Classification code for “Inorganic material.”
- How many patents are filed under CPC H01M50/431 (Inorganic material)?
- Our database includes 2,194 publications tagged with this CPC code.
- Is patent activity under CPC H01M50/431 growing?
- Publication counts under this code: 270 in 2024 vs 356 in 2025 (latest complete years).