Negative electrode and secondary battery including the negative electrode
US-2025385264-A1 · Dec 18, 2025 · US
characterised by the polarity
characterised by the polarity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2004/026 |
| Official title | {characterised by the polarity} |
| Display label | characterised by the polarity |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 8 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positive electrode active material and non-aqueous electrolyte secondary battery
US-2025364537-A1 · Nov 27, 2025 · US
Non-aqueous electrolyte secondary battery, and method for producing non-aqueous electrolyte secondary battery
US-2025105258-A1 · Mar 27, 2025 · US
Secondary battery
US-12224457-B2 · Feb 11, 2025 · US
Regeneration method of all-solid-state battery, and all-solid-state battery system
US-2024413657-A1 · Dec 12, 2024 · US
Deposition of lithium fluoride on surface of lithium metal and lithium secondary battery using the same
US-2024379940-A1 · Nov 14, 2024 · US
Negative electrode and lithium battery including the same
US-2024322174-A1 · Sep 26, 2024 · US
Nonaqueous electrolyte secondary battery
US-12087942-B2 · Sep 10, 2024 · US
Deposition of lithium fluoride on surface of lithium metal and lithium secondary battery using the same
US-12051798-B2 · Jul 30, 2024 · US
Nonaqueous electrolyte energy storage device
US-2024178391-A1 · May 30, 2024 · US
Anode for lithium secondary battery and lithium secondary battery including the same
US-11929495-B2 · Mar 12, 2024 · US
Cathode electrode material and preparation method and application thereof
US-2024055591-A1 · Feb 15, 2024 · US
Anode for lithium secondary battery and lithium secondary battery including the same
US-2023378446-A1 · Nov 23, 2023 · US
Electrochemical element for a battery and corresponding battery
US-2023155187-A1 · May 18, 2023 · US
Cylindrical battery
US-11495833-B2 · Nov 8, 2022 · US
Nonaqueous electrolyte secondary battery
US-2022173389-A1 · Jun 2, 2022 · US
Secondary battery
US-2022045407-A1 · Feb 10, 2022 · US
Electrode assembly of novel structure and battery cell comprising the same
US-11177510-B2 · Nov 16, 2021 · US
Cylindrical battery
US-2021210792-A1 · Jul 8, 2021 · US
Active material and fluoride ion battery
US-10811677-B2 · Oct 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2004/026?
- CPC H01M2004/026 is the Cooperative Patent Classification code for “characterised by the polarity.”
- How many patents are filed under CPC H01M2004/026 (characterised by the polarity)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC H01M2004/026 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).