Current collector including opening formation portion and battery using same
US-11837689-B2 · Dec 5, 2023 · US
Expanded metal
Expanded metal · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/745 |
| Official title | {Expanded metal} |
| Display label | Expanded metal |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Patterned current collector for anodeless electrochemical battery cells
US-2023335753-A1 · Oct 19, 2023 · US
Metal-ion battery
US-11791496-B2 · Oct 17, 2023 · US
Anisotropic expansion of silicon-dominant anodes
US-11764350-B2 · Sep 19, 2023 · US
Method and apparatus for fabricating an electrode for a battery
US-11735744-B2 · Aug 22, 2023 · US
Anisotropic expansion of silicon-dominant anodes
US-11728468-B2 · Aug 15, 2023 · US
Ultra-stable silicon anode by three-dimensional nanoarchitecture design
US-2023197935-A1 · Jun 22, 2023 · US
Method and apparatus for fabricating an electrode for a battery
US-2022352523-A1 · Nov 3, 2022 · US
Method for manufacturing solid-state battery and solid-state battery
US-11398646-B2 · Jul 26, 2022 · US
Solid-state battery
US-2022200056-A1 · Jun 23, 2022 · US
Electrode for solid-state battery
US-2022149494-A1 · May 12, 2022 · US
Secondary battery having structure in which unit cells which become thinner in one direction are radially assembled, and device comprising same
US-2022140382-A1 · May 5, 2022 · US
Improved lead acid battery separators, warp resistant separators, batteries, systems, and related methods
US-2021313653-A1 · Oct 7, 2021 · US
Anisotropic Expansion of Silicon-Dominant Anodes
US-2021135188-A1 · May 6, 2021 · US
Anisotropic Expansion of Silicon-Dominant Anodes
US-2021135189-A1 · May 6, 2021 · US
Anisotropic Expansion of Silicon-Dominant Anodes
US-2021135190-A1 · May 6, 2021 · US
Buckling resistant current collector
US-2021043943-A1 · Feb 11, 2021 · US
Current collector and battery using same
US-2021036374-A1 · Feb 4, 2021 · US
Buckling resistant current collector
US-10854883-B2 · Dec 1, 2020 · US
Li4Ti5O12, Li(4-a)ZaTi5O12 OR Li4ZßTi(5-ß)O12, PARTICLES, PROCESSES FOR OBTAINING SAME AND USE AS ELECTROCHEMICAL GENERATORS
US-2020373570-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/745?
- CPC H01M4/745 is the Cooperative Patent Classification code for “Expanded metal.”
- How many patents are filed under CPC H01M4/745 (Expanded metal)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/745 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).