Electrochemical hydrogen storage electrodes and cells
US-10522827-B2 · Dec 31, 2019 · US
Acid electrolytes
Acid electrolytes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2300/0005 |
| Official title | Acid electrolytes |
| Display label | Acid electrolytes |
| Total patents | 206 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 15 |
| 2018 | 14 |
| 2019 | 18 |
| 2020 | 24 |
| 2021 | 23 |
| 2022 | 30 |
| 2023 | 26 |
| 2024 | 16 |
| 2025 | 17 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Battery grid
US-2019393512-A1 · Dec 26, 2019 · US
Battery
US-2019363403-A1 · Nov 28, 2019 · US
Secondary battery, battery module, battery pack, and vehicle
US-10424818-B2 · Sep 24, 2019 · US
Battery
US-10418666-B2 · Sep 17, 2019 · US
Flow battery with dispersion blocker between electrolyte channel and electrode
US-10411284-B2 · Sep 10, 2019 · US
Methods to prepare stable electrolytes for iron redox flow batteries
US-10403919-B2 · Sep 3, 2019 · US
Three-chamber electrochemical balancing cells for simultaneous modification of state of charge and acidity within a flow battery
US-10347925-B2 · Jul 9, 2019 · US
Anode and electrolyte for a metal-air battery
US-10326187-B2 · Jun 18, 2019 · US
Redox flow battery
US-10290889-B2 · May 14, 2019 · US
Flow-Based Cathode with Immobilized Non-Platinum Transition Metal Redox Catalyst
US-2019131650-A1 · May 2, 2019 · US
Negative electrode current collector, negative electrode, and aqueous lithium ion secondary battery
US-2019027745-A1 · Jan 24, 2019 · US
Mesoporous nickel-iron-manganese-alloy based metal/metal oxide composite thick film catalysts
US-2018351155-A1 · Dec 6, 2018 · US
Hybrid Flow Battery for Storing Electrical Energy and Use Thereof
US-2018331363-A1 · Nov 15, 2018 · US
Packaging material for power storage device and method for manufacturing packaging material for power storage device
US-2018301671-A1 · Oct 18, 2018 · US
Negative electrode electrolyte solution and flow battery
US-2018261871-A1 · Sep 13, 2018 · US
Air-breathing aqueous sulfur rechargeable batteries
US-2018241107-A1 · Aug 23, 2018 · US
Secondary battery, battery module, battery pack, and vehicle
US-2018241090-A1 · Aug 23, 2018 · US
Flow battery with electrolyte rebalancing system
US-2018219241-A1 · Aug 2, 2018 · US
Electrode for redox flow battery and redox flow battery system
US-2018190991-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2300/0005?
- CPC H01M2300/0005 is the Cooperative Patent Classification code for “Acid electrolytes.”
- How many patents are filed under CPC H01M2300/0005 (Acid electrolytes)?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC H01M2300/0005 growing?
- Publication counts under this code: 16 in 2024 vs 17 in 2025 (latest complete years).