Lithium-doped silicon-based negative electrode active material, method of producing the same, method of post-treating the same, and negative electrode and secondary battery including the same
US-2023395800-A1 · Dec 7, 2023 · US
After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant
After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant · 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 | C01B33/325 |
| Official title | {After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant} |
| Display label | After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 13 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ionically conductive powders and films, and methods of preparation
US-11807543-B2 · Nov 7, 2023 · US
Polymerized Alkali Silicate Gels For Use In Subterranean Formations
US-2023203362-A1 · Jun 29, 2023 · US
Synthetic layered magnesium silicates and their derivatives for high performance oil-based drilling fluids
US-11674069-B2 · Jun 13, 2023 · US
A collector composition
US-2022266262-A1 · Aug 25, 2022 · US
Process of obtaining powdered sodium silicate from sand tailings originated from the iron ore concentration process
US-2022250923-A1 · Aug 11, 2022 · US
Synthetic functionalized additives, methods of synthesizing, and methods of use
US-11332651-B2 · May 17, 2022 · US
Negative electrode active material, mixed negative electrode active material, negative electrode for nonaqueous electrolyte secondary battery, lithium ion secondary battery, and method for producing negative electrode active material
US-11316147-B2 · Apr 26, 2022 · US
Silicon coated metal microparticles, silicon compound coated metal microparticles, and production method thereof
US-2022112090-A1 · Apr 14, 2022 · US
Solid-state electrolyte and all-solid-state battery
US-11267716-B2 · Mar 8, 2022 · US
Method for producing oxide particles with controlled color characteristics
US-11247912-B2 · Feb 15, 2022 · US
Method for producing silica aerogel and silica aerogel produced thereby
US-11242255-B2 · Feb 8, 2022 · US
Synthetic Layered Magnesium Silicates and Their Derivatives for High Performance Oil-based Drilling Fluids
US-2021363400-A1 · Nov 25, 2021 · US
Production method for non-aqueous electrolyte secondary battery active material providing lithium insertion and solution contact
US-11177501-B2 · Nov 16, 2021 · US
Silicon-oxygen composite anode material and fabrication method thereof
US-2021288316-A1 · Sep 16, 2021 · US
Synthetic layered magnesium silicates and their derivatives for high performance oil-based drilling fluids
US-11118092-B2 · Sep 14, 2021 · US
Layered silicate powder granules and method for producing the same
US-11111151-B2 · Sep 7, 2021 · US
Method of producing silicon compound coated oxide particles, silicon compound coated oxide particles, and silicon compound coated oxide composition containing the same
US-11052461-B2 · Jul 6, 2021 · US
Negative electrode active material, mixed negative electrode active material, negative electrode for nonaqueous electrolyte secondary battery, lithium ion secondary battery, and method for producing negative electrode active material
US-2021193990-A1 · Jun 24, 2021 · US
Oxide particles with controlled color characteristics, and coating composition or film-like composition containing said oxide particles
US-11033960-B2 · Jun 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B33/325?
- CPC C01B33/325 is the Cooperative Patent Classification code for “After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant.”
- How many patents are filed under CPC C01B33/325 (After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC C01B33/325 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).