Positive electrode active material precursor, positive electrode active material, preparation method, and secondary battery
US-2025109036-A1 · Apr 3, 2025 · US
of the type (Mn2O4)-, e.g. Li(CoxMn2-x)O4 or Li(MyCoxMn2-x-y)O4 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01G51/54 |
| Official title | of the type (Mn2O4)-, e.g. Li(CoxMn2-x)O4 or Li(MyCoxMn2-x-y)O4 |
| Display label | of the type (Mn2O4)-, e.g. Li(CoxMn2-x)O4 or Li(MyCoxMn2-x-y)O4 |
| Total patents | 35 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025109036-A1 · Apr 3, 2025 · US
US-12202739-B2 · Jan 21, 2025 · US
US-2024270598-A1 · Aug 15, 2024 · US
US-11072869-B2 · Jul 27, 2021 · US
US-10763499-B2 · Sep 1, 2020 · US
US-10505188-B2 · Dec 10, 2019 · US
US-10483538-B2 · Nov 19, 2019 · US
US-10446842-B2 · Oct 15, 2019 · US
US-2019260018-A1 · Aug 22, 2019 · US
US-2019140273-A1 · May 9, 2019 · US
US-10276867-B2 · Apr 30, 2019 · US
US-10161057-B2 · Dec 25, 2018 · US
US-2018347068-A1 · Dec 6, 2018 · US
US-9960423-B2 · May 1, 2018 · US
US-2017309907-A1 · Oct 26, 2017 · US
US-2017309908-A1 · Oct 26, 2017 · US
US-9786914-B2 · Oct 10, 2017 · US
US-9761875-B2 · Sep 12, 2017 · US
US-9711782-B2 · Jul 18, 2017 · US
US-2017179485-A1 · Jun 22, 2017 · US
Answers are generated from the same data shown on this page.