Electrochemical hydrogen storage electrodes and cells
US-10522827-B2 · Dec 31, 2019 · US
Hydrogen storage electrodes
Hydrogen storage electrodes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/242 |
| Official title | {Hydrogen storage electrodes} |
| Display label | Hydrogen storage electrodes |
| Total patents | 123 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 15 |
| 2017 | 15 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Secondary electrochemical cell and charging method
US-10516282-B2 · Dec 24, 2019 · US
Negative electrode for alkaline secondary battery, and alkaline secondary battery
US-2019319260-A1 · Oct 17, 2019 · US
Method for producing La/Ce/MM/Y base alloys, resulting alloys, and battery electrodes
US-10435770-B2 · Oct 8, 2019 · US
Negative electrode for nickel-hydrogen secondary battery, and nickel-hydrogen secondary battery
US-2019305301-A1 · Oct 3, 2019 · US
Electrode alloy powder, negative electrode for nickel-metal hydride storage batteries using the same, and nickel-metal hydride storage battery
US-10305099-B2 · May 28, 2019 · US
Negative electrode for nickel hydrogen secondary battery, and nickel hydrogen secondary battery including the negative electrode
US-2019148723-A1 · May 16, 2019 · US
Positive electrode and alkaline secondary battery including the same
US-2019115589-A1 · Apr 18, 2019 · US
Battery negative electrode, battery, and manufacturing method of battery negative electrode
US-10263251-B2 · Apr 16, 2019 · US
Hydrogen storing alloy and production method thereof
US-10243203-B2 · Mar 26, 2019 · US
Electrochemical cell having a vanadium phosphorous alloy electrode
US-10186740-B1 · Jan 22, 2019 · US
High capacity corrosion resistant v-based metal hydride electrodes for rechargeable metal hydride batteries
US-2019006718-A1 · Jan 3, 2019 · US
Method of manufacturing positive electrode for alkaline secondary battery and method of manufacturing alkaline secondary battery
US-2018375161-A1 · Dec 27, 2018 · US
Alkaline secondary battery
US-2018254528-A1 · Sep 6, 2018 · US
Hydrogen absorbing alloy powder, and nickel hydrogen secondary battery using the hydrogen absorbing alloy powder
US-2018248172-A1 · Aug 30, 2018 · US
Nickel hydrogen battery
US-9985288-B2 · May 29, 2018 · US
Anode material and battery
US-2018123126-A1 · May 3, 2018 · US
Nickel-metal hydride battery
US-2018090754-A1 · Mar 29, 2018 · US
High pressure type hydride secondary battery
US-2018083324-A1 · Mar 22, 2018 · US
Alloy powder for electrode, negative electrode for alkaline storage battery using the same, and alkaline storage battery
US-9893347-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/242?
- CPC H01M4/242 is the Cooperative Patent Classification code for “Hydrogen storage electrodes.”
- How many patents are filed under CPC H01M4/242 (Hydrogen storage electrodes)?
- Our database includes 123 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/242 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).