Electrochemical device
US-10867754-B2 · Dec 15, 2020 · US
Carbonates
Carbonates · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2300/0051 |
| Official title | Carbonates |
| Display label | Carbonates |
| Total patents | 321 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 16 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 25 |
| 2021 | 24 |
| 2022 | 40 |
| 2023 | 60 |
| 2024 | 57 |
| 2025 | 55 |
| 2026 | 16 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nonaqueous electrolytic solution and electrical storage device including the same
US-2020388887-A1 · Dec 10, 2020 · US
Stable electrolyte matrix for molten carbonate fuel cells
US-2020358111-A1 · Nov 12, 2020 · US
Positive Electrode Active Material Particle and Method for Manufacturing Positive Electrode Active Material Particle
US-2020313228-A1 · Oct 1, 2020 · US
Method for supplying molten carbonate fuel cell with electrolyte and molten carbonate fuel cell using the same
US-10777834-B2 · Sep 15, 2020 · US
Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery
US-2020227718-A1 · Jul 16, 2020 · US
Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2020220216-A1 · Jul 9, 2020 · US
Integrated electrical power and chemical production using fuel cells
US-10676799-B2 · Jun 9, 2020 · US
Reforming Catalyst Pattern For Fuel Cell Operated With Enhanced CO2 Utilization
US-2020176800-A1 · Jun 4, 2020 · US
Molten air rechargeable batteries
US-2020153068-A1 · May 14, 2020 · US
Non-aqueous electrolyte for lithium ion secondary battery and lithium ion secondary battery using same
US-2020112060-A1 · Apr 9, 2020 · US
Electrolyte solution for lithium ion secondary battery and lithium ion secondary battery using same
US-2020106134-A1 · Apr 2, 2020 · US
Fuel cell anode flow field design configurations for achieving increased fuel utilization
US-2020099066-A1 · Mar 26, 2020 · US
Electrolyte for secondary battery, secondary battery, battery pack, electric vehicle, electric power storage system, electric tool and electronic device
US-2020083564-A1 · Mar 12, 2020 · US
Apparatus and method for manufacturing electrode assembly
US-2020067050-A1 · Feb 27, 2020 · US
Electrochemical device
US-2020020487-A1 · Jan 16, 2020 · US
Electrolyte additives in lithium-ion batteries
US-2019356013-A1 · Nov 21, 2019 · US
Hydrogen and carbon monoxide generation using an REP with partial oxidation
US-10465305-B2 · Nov 5, 2019 · US
Electrolyte solution and lithium-ion battery
US-2019260081-A1 · Aug 22, 2019 · US
Electrolyte additives in lithium-ion batteries
US-2019198912-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2300/0051?
- CPC H01M2300/0051 is the Cooperative Patent Classification code for “Carbonates.”
- How many patents are filed under CPC H01M2300/0051 (Carbonates)?
- Our database includes 321 publications tagged with this CPC code.
- Is patent activity under CPC H01M2300/0051 growing?
- Publication counts under this code: 57 in 2024 vs 55 in 2025 (latest complete years).