Negative electrode active material and preparation method thereof, secondary battery, and electric apparatus
US-2024421289-A1 · Dec 19, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01P2004/80 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 1,754 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 63 |
| 2016 | 76 |
| 2017 | 89 |
| 2018 | 122 |
| 2019 | 124 |
| 2020 | 161 |
| 2021 | 157 |
| 2022 | 187 |
| 2023 | 216 |
| 2024 | 241 |
| 2025 | 259 |
| 2026 | 59 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrode active material precursor, method for preparing the same, electrode active material, and battery
US-2024079551-A1 · Mar 7, 2024 · US
Anode active material for secondary battery, anode comprising same, and method for manufacturing same
US-11866338-B2 · Jan 9, 2024 · US
Polycrystalline lithium manganese oxide particles, preparation method thereof, and cathode active material including the same
US-2015357627-A1 · Dec 10, 2015 · US
Active material excelling in high-voltage characteristics
US-2015357641-A1 · Dec 10, 2015 · US
Metal Oxide Nanoparticle Material
US-2015329373-A1 · Nov 19, 2015 · US
Surface coated particles and use of same
US-2015329723-A1 · Nov 19, 2015 · US
Coated nickel hydroxide powder for alkali secondary battery positive electrode active material and method of producing same
US-2015311523-A1 · Oct 29, 2015 · US
Positive active material for use in a lithium ion battery and method for preparing the same
US-2015311522-A1 · Oct 29, 2015 · US
METHOD OF FABRICATING A(C)IGS BASED THIN FILM USING Se-Ag2Se CORE-SHELL NANOPARTICLES, A(C)IGS BASED THIN FILM FABRICATED BY THE SAME, AND TANDEM SOLAR CELLS INCLUDING THE A(C)IGS BASED THIN FILM
US-2015287854-A1 · Oct 8, 2015 · US
Process of manufacture of particles with a natural calcium carbonate and ethylene acrylic acid salts base, suspensions and dry pigments obtained, their uses
US-2015284530-A1 · Oct 8, 2015 · US
Cathode active material for lithium secondary battery and method for manufacturing the same
US-2015287984-A1 · Oct 8, 2015 · US
Active material powder and method of producing the same
US-2015270537-A1 · Sep 24, 2015 · US
Method for preparing a powder comprising carbon, silicon and boron, the silicon being in silicon carbide form and the boron being in boron carbide form and/or boron alone
US-9139478-B2 · Sep 22, 2015 · US
Spinel-Type Lithium-Manganese Composite Oxide
US-2015255791-A1 · Sep 10, 2015 · US
Magnetic iron oxide fine particles, and magnetic particle-containing water dispersion and process for producing the same
US-9127168-B2 · Sep 8, 2015 · US
Surface stabilized electrodes for lithium batteries
US-9130226-B2 · Sep 8, 2015 · US
Mixed sulphate containg lithium-manganese-metal phosphate
US-2015232337-A1 · Aug 20, 2015 · US
Production Method For Polishing-Material Particles
US-2015232728-A1 · Aug 20, 2015 · US
Positive electrode active material, preparing method thereof, positive electrode including the same, and lithium secondary battery including the same
US-2015236346-A1 · Aug 20, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2004/80?
- CPC C01P2004/80 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01P2004/80 (Chemistry & Metallurgy)?
- Our database includes 1,754 publications tagged with this CPC code.
- Is patent activity under CPC C01P2004/80 growing?
- Publication counts under this code: 241 in 2024 vs 259 in 2025 (latest complete years).