Cathode, metal-air battery including the cathode, and method of preparing the cathode
US-2016372807-A1 · Dec 22, 2016 · US
Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/8663 |
| Official title | {Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers} |
| Display label | Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers |
| Total patents | 644 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 42 |
| 2017 | 38 |
| 2018 | 62 |
| 2019 | 57 |
| 2020 | 75 |
| 2021 | 79 |
| 2022 | 71 |
| 2023 | 61 |
| 2024 | 45 |
| 2025 | 64 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cathode material, interconnector material and solid oxide fuel cell
US-9520597-B2 · Dec 13, 2016 · US
Fuel cell component having multiple pore sizes
US-2016336601-A1 · Nov 17, 2016 · US
Platinum monolayer for fuel cell
US-9484580-B2 · Nov 1, 2016 · US
Fuel-cell gas diffusion layer and method of forming the same
US-9466851-B2 · Oct 11, 2016 · US
Electrode for fuel cell, membrane electrode complex body for fuel cell, and fuel cell
US-2016285116-A1 · Sep 29, 2016 · US
Membrane electrode assembly and method of producing the membrane electrode assembly
US-2016233533-A1 · Aug 11, 2016 · US
PtCu and PtNi Electrocatalysts Doped with Iodine
US-2016226073-A1 · Aug 4, 2016 · US
Catalyst for fuel cell, method of preparing same, and membrane-electrode assembly for fuel cell including same
US-2016226075-A1 · Aug 4, 2016 · US
Fuel cell electrode having non-ionomer proton-conducting material
US-2016226074-A1 · Aug 4, 2016 · US
Membrane electrode assembly with multi-layer catalyst
US-2016204447-A1 · Jul 14, 2016 · US
Membrane electrode assembly for a fuel cell, method for preparing the membrane electrode assembly, fuel cell system and vehicle
US-2016156054-A1 · Jun 2, 2016 · US
Method of Manufacturing Membrane Electrode Assembly, and Membrane Electrode Assembly
US-2016133945-A1 · May 12, 2016 · US
Catalytic ink preparation method
US-9331340-B2 · May 3, 2016 · US
Catalyst electrode layer, membrane-electrode assembly, and fuel cell
US-2016118670-A1 · Apr 28, 2016 · US
Fuel cell and moving body
US-2016093894-A1 · Mar 31, 2016 · US
Gradient porous electrode architectures for rechargeable metal-air batteries
US-9293772-B2 · Mar 22, 2016 · US
Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst
US-2016072133-A1 · Mar 10, 2016 · US
Electrode design with optimal ionomer content for polymer electrolyte membrane fuel cell
US-2016064741-A1 · Mar 3, 2016 · US
Production method of catalyst ink for fuel cell, manufacturing method of catalyst layer for fuel cell and manufacturing method of membrane electrode assembly for fuel cell
US-2016056476-A1 · Feb 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/8663?
- CPC H01M4/8663 is the Cooperative Patent Classification code for “Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers.”
- How many patents are filed under CPC H01M4/8663 (Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers)?
- Our database includes 644 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/8663 growing?
- Publication counts under this code: 45 in 2024 vs 64 in 2025 (latest complete years).