Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same
US-12519101-B2 · Jan 6, 2026 · US
Preparation of sulfur; Purification
Preparation of sulfur; Purification · 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 | C01B17/02 |
| Official title | Preparation of sulfur; Purification |
| Display label | Preparation of sulfur; Purification |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfur-based active material, electrode, and lithium-ion secondary battery
US-2025197216-A1 · Jun 19, 2025 · US
Sulfur-carbon composite manufacturing method, sulfur-carbon composite manufactured thereby, cathode comprising same sulfur-carbon composite, and lithium secondary battery comprising same cathode
US-12136729-B2 · Nov 5, 2024 · US
Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same
US-12113206-B2 · Oct 8, 2024 · US
Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same
US-2024266504-A1 · Aug 8, 2024 · US
Purification apparatus and purification method for non-metal semiconductor material
US-2024228286-A1 · Jul 11, 2024 · US
Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same
US-11978888-B2 · May 7, 2024 · US
Glass fiber reinforced polymer liner for reinforced concrete molten sulfur storage tank
US-11897820-B2 · Feb 13, 2024 · US
Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same
US-2024047652-A1 · Feb 8, 2024 · US
Sulfur-Carbon Composite, Method for Preparing Same and Lithium Secondary Battery Comprising Same
US-2024038989-A1 · Feb 1, 2024 · US
Negative electrode active material and preparation method thereof, as well as secondary battery having the same
US-2023420661-A1 · Dec 28, 2023 · US
Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same
US-11831010-B2 · Nov 28, 2023 · US
Sulfur-carbon composite manufacturing method, sulfur-carbon composite manufactured thereby, cathode comprising same sulfur-carbon composite, and lithium secondary battery comprising same cathode
US-2023361276-A1 · Nov 9, 2023 · US
Titania-carbon nanotube-sulfur (TiO2-x-CNT-S) composite and preparing method therefor
US-11795063-B2 · Oct 24, 2023 · US
Sulfur-carbon composite manufacturing method, sulfur-carbon composite manufactured thereby, cathode comprising same sulfur-carbon composite, and lithium secondary battery comprising same cathode
US-11757091-B2 · Sep 12, 2023 · US
Sulfur-carbon composite, method for preparing same and lithium secondary battery comprising same
US-11652208-B2 · May 16, 2023 · US
Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same
US-2023143513-A1 · May 11, 2023 · US
Sulfur-carbon composite and method for preparing same
US-11611066-B2 · Mar 21, 2023 · US
Sulfur-carbon composite, method for preparing same and lithium secondary battery comprising same
US-2023078936-A1 · Mar 16, 2023 · US
Sulfur-carbon composite manufacturing method, sulfur-carbon composite manufactured thereby, cathode comprising same sulfur-carbon composite, and lithium secondary battery comprising same cathode
US-2023013446-A1 · Jan 19, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B17/02?
- CPC C01B17/02 is the Cooperative Patent Classification code for “Preparation of sulfur; Purification.”
- How many patents are filed under CPC C01B17/02 (Preparation of sulfur; Purification)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC C01B17/02 growing?
- Publication counts under this code: 8 in 2024 vs 1 in 2025 (latest complete years).