H01M 2004/028
Positive electrodes
Official title: {Positive electrodes}
H01M2004/028 (Positive electrodes) appears on 5,858 US grants and 12,577 published applications in this corpus.
Search patents in H01M- Granted patents
- 5,858
- Published applications
- 12,577
- Assignees
- 1,678
- Inventors
- 15,380
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 25 | 0 |
| 2001 | 24 | 10 |
| 2002 | 28 | 61 |
| 2003 | 27 | 79 |
| 2004 | 47 | 59 |
| 2005 | 36 | 68 |
| 2006 | 27 | 61 |
| 2007 | 23 | 62 |
| 2008 | 29 | 59 |
| 2009 | 31 | 62 |
| 2010 | 46 | 65 |
| 2011 | 37 | 79 |
| 2012 | 32 | 76 |
| 2013 | 30 | 86 |
| 2014 | 55 | 93 |
| 2015 | 98 | 346 |
| 2016 | 134 | 490 |
| 2017 | 210 | 430 |
| 2018 | 274 | 654 |
| 2019 | 399 | 630 |
| 2020 | 538 | 934 |
| 2021 | 492 | 901 |
| 2022 | 539 | 1114 |
| 2023 | 566 | 1421 |
| 2024 | 713 | 1609 |
| 2025 | 755 | 1694 |
| 2026 | 557 | 1434 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sodium ion battery cathode material, and a preparation method and application therefor6 Oct 2026US 12,753,088 B2Hubei Wanrun New Energy Technology Co., Ltd.
- Positive electrode for secondary battery and secondary battery including the same6 Oct 2026US 12,755,962 B2LG Energy Solution, Ltd.
- Secondary battery6 Oct 2026US 12,755,963 B2Murata Manufacturing Co., Ltd.
- Composite cathode active material, cathode and lithium battery employing same, and method for manufacturing same6 Oct 2026US 12,755,967 B2Samsung SDI.Co., Ltd.
- Graphite and dispersant additives for battery paste compositions6 Oct 2026US 12,755,968 B2The Curators of the University of Missouri
- Carbon material, production method for carbon material, dispersion liquid, composition for electrodes, slurry for electrodes, electrode, positive electrode, negative electrode, lithium ion battery, carbon material precursor, and production method for carbon material precursor8 Oct 2026US 2026/0307998 A13Dc Inc.
- Recycled lithium carbonates, positive electrode active materials, and rechargeable lithium batteries8 Oct 2026US 2026/0308002 A1Samsung SDI.Co., Ltd.
- Metal hydroxide particles and positive electrode active material8 Oct 2026US 2026/0308012 A1Toyota Jidosha Kabushiki Kaisha
- Oxide Films and Solid-State Lithium-Based Batteries Containing the Same Using Wet Annealing8 Oct 2026US 2026/0311995 A1Ensurge Micropower ASA
- Method for manufacturing positive electrode for all-solid-state battery, and positive electrode for all-solid-state battery manufactured using the same8 Oct 2026US 2026/0312004 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Cathode materials for secondary (rechargeable) lithium batteries408US 5,910,382 ABoard of Regents, The University of Texas Systems · 1999
- Protective lithium ion conducting ceramic coating for lithium metal anodes and associate method376US 5,314,765 AMartin Marietta Energy Systems, Inc. · 1994
- Cathode materials for secondary (rechargeable) lithium batteries223US 6,514,640 B1Board of Regents, The University of Texas System · 2003
- Liquid electrolyte lithium-sulfur batteries209US 6,030,720 APolyPlus Battery Company · 2000
- Composite cathodes, electrochemical cells comprising novel composite cathodes, and processes for fabricating same201US 5,919,587 AMoltech Corporation · 1999