H01M 4/36
Selection of substances as active materials, active masses, active liquids
H01M4/36 (Selection of substances as active materials, active masses, active liquids) appears on 23,637 US grants and 38,754 published applications in this corpus.
Search patents in H01M- Granted patents
- 23,637
- Published applications
- 38,754
- Assignees
- 4,561
- Inventors
- 38,219
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 45 | 0 |
| 1977 | 65 | 0 |
| 1978 | 61 | 0 |
| 1979 | 51 | 0 |
| 1980 | 62 | 0 |
| 1981 | 66 | 0 |
| 1982 | 47 | 0 |
| 1983 | 54 | 0 |
| 1984 | 51 | 0 |
| 1985 | 89 | 0 |
| 1986 | 79 | 0 |
| 1987 | 52 | 0 |
| 1988 | 60 | 0 |
| 1989 | 81 | 0 |
| 1990 | 96 | 0 |
| 1991 | 69 | 0 |
| 1992 | 90 | 0 |
| 1993 | 78 | 0 |
| 1994 | 106 | 0 |
| 1995 | 133 | 0 |
| 1996 | 183 | 0 |
| 1997 | 184 | 0 |
| 1998 | 199 | 0 |
| 1999 | 206 | 0 |
| 2000 | 227 | 0 |
| 2001 | 263 | 132 |
| 2002 | 298 | 416 |
| 2003 | 298 | 432 |
| 2004 | 295 | 513 |
| 2005 | 199 | 482 |
| 2006 | 214 | 506 |
| 2007 | 224 | 538 |
| 2008 | 228 | 527 |
| 2009 | 271 | 674 |
| 2010 | 391 | 747 |
| 2011 | 379 | 916 |
| 2012 | 461 | 1103 |
| 2013 | 554 | 1304 |
| 2014 | 700 | 1486 |
| 2015 | 962 | 1644 |
| 2016 | 1002 | 1644 |
| 2017 | 1190 | 1751 |
| 2018 | 1203 | 1782 |
| 2019 | 1496 | 1945 |
| 2020 | 1649 | 2290 |
| 2021 | 1413 | 2207 |
| 2022 | 1475 | 2696 |
| 2023 | 1424 | 3086 |
| 2024 | 1739 | 3411 |
| 2025 | 1679 | 3570 |
| 2026 | 1196 | 2952 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Binder for secondary battery, negative electrode for secondary battery including the same, and lithium secondary battery including the same6 Oct 2026US 12,753,251 B2SK On Co., Ltd.
- Thickness control manifold for molten lithium dip coating6 Oct 2026US 12,753,478 B2GM Global Technology Operations LLC
- Process for manufacturing silicon-containing materials in a cascade reactor system6 Oct 2026US 12,753,495 B2Wacker Chemie AG
- Alkaline battery assembled in a discharged state and a method of producing battery electrode materials6 Oct 2026US 12,755,961 B2Zelos Energy Ltd.
- Lithium iron phosphate precursor, lithium iron phosphate cathode material with high compaction density, and manufacturing method thereof8 Oct 2026US 2026/0307993 A1Advanced Lithium Electrochemistry Co., Ltd.
- Melt process for preparing alkali metal phosphate cathode materials from variable composition sources8 Oct 2026US 2026/0307994 A1Ignis Lithium Inc.
- Methods of preparing hard carbon material and energy storage device and method of enhancing plateau capacity8 Oct 2026US 2026/0307995 A1National Tsing Hua University
- 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.
Most cited
By later US patents
- Medical device having lithium-ion battery424US 7,337,010 B2Medtronic, Inc. · 2008
- Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers410US 4,784,736 ABend Research, Inc. · 1988
- 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
- Protective coatings for negative electrodes373US 6,025,094 APolyPlus Battery Company · 2000