Method for producing carrier for electrode catalyst, precursor of carrier for electrode catalyst, and carrier for electrode catalyst, comprising same
US-12057587-B2 · Aug 6, 2024 · US
Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence)
Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/8803 |
| Official title | {Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence)} |
| Display label | Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence) |
| Total patents | 278 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 26 |
| 2017 | 22 |
| 2018 | 23 |
| 2019 | 26 |
| 2020 | 19 |
| 2021 | 29 |
| 2022 | 33 |
| 2023 | 30 |
| 2024 | 31 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alternative low cost electrodes for hybrid flow batteries
US-2024047707-A1 · Feb 8, 2024 · US
Electrochemical water splitting cell
US-2024003023-A1 · Jan 4, 2024 · US
Methods of making electrodes, electrodes made therefrom, and electrochemical energy storage cells utilizing the electrodes
US-2017331109-A1 · Nov 16, 2017 · US
Fuel cell electrode
US-2017309921-A1 · Oct 26, 2017 · US
Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell
US-9780383-B2 · Oct 3, 2017 · US
Carrier-nanoparticle complex and preparation method thereof
US-2017279124-A1 · Sep 28, 2017 · US
High permeable porous substrate for a solid oxide fuel cell and the production method thereof
US-9716277-B2 · Jul 25, 2017 · US
Systems and methods of graphene supported catalysts
US-2017170487-A1 · Jun 15, 2017 · US
Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same
US-9640801-B2 · May 2, 2017 · US
Catalytic metal with nanocup or nanoring structure and electrodes using the same
US-9640328-B2 · May 2, 2017 · US
Redox catalyst, electrode material, electrode, membrane electrode assembly for fuel cells, and fuel cell
US-2017117555-A1 · Apr 27, 2017 · US
Composite cathode, cathode-membrane assembly, electrochemical cell including the cathode-membrane assembly, and method of preparing the cathode-membrane assembly
US-2017062812-A1 · Mar 2, 2017 · US
Printed biofuel cells
US-9502730-B2 · Nov 22, 2016 · US
Modified solid oxide fuel cell
US-2016329576-A1 · Nov 10, 2016 · US
Abrasion resistant solid oxide fuel cell electrode ink
US-2016301082-A1 · Oct 13, 2016 · US
Electrode catalyst and method of preparing electrode catalyst for fuel cell, and membrane electrode assembly and fuel cell including same
US-9466843-B2 · Oct 11, 2016 · US
Metal Supported Solid Oxide Fuel Cell
US-2016254549-A1 · Sep 1, 2016 · US
Method of preparing nickel-aluminum alloy powder at low temperature
US-9431664-B2 · Aug 30, 2016 · US
Fuel cell electrodes using high density support material
US-9431662-B2 · Aug 30, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/8803?
- CPC H01M4/8803 is the Cooperative Patent Classification code for “Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence).”
- How many patents are filed under CPC H01M4/8803 (Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence))?
- Our database includes 278 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/8803 growing?
- Publication counts under this code: 31 in 2024 vs 16 in 2025 (latest complete years).