H01M 4/139
Processes of manufacture
H01M4/139 (Processes of manufacture) appears on 7,347 US grants and 13,581 published applications in this corpus.
Search patents in H01M- Granted patents
- 7,347
- Published applications
- 13,581
- Assignees
- 2,174
- Inventors
- 17,900
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 18 | 0 |
| 1998 | 20 | 0 |
| 1999 | 26 | 0 |
| 2000 | 28 | 0 |
| 2001 | 38 | 23 |
| 2002 | 62 | 101 |
| 2003 | 45 | 71 |
| 2004 | 67 | 99 |
| 2005 | 35 | 121 |
| 2006 | 39 | 143 |
| 2007 | 45 | 143 |
| 2008 | 47 | 167 |
| 2009 | 74 | 224 |
| 2010 | 117 | 238 |
| 2011 | 98 | 348 |
| 2012 | 134 | 351 |
| 2013 | 190 | 443 |
| 2014 | 218 | 555 |
| 2015 | 329 | 529 |
| 2016 | 346 | 523 |
| 2017 | 404 | 570 |
| 2018 | 426 | 624 |
| 2019 | 472 | 714 |
| 2020 | 571 | 901 |
| 2021 | 538 | 830 |
| 2022 | 573 | 1045 |
| 2023 | 573 | 1231 |
| 2024 | 675 | 1362 |
| 2025 | 669 | 1277 |
| 2026 | 434 | 948 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 4/1391Of electrodes based on mixed oxides or hydroxides, or on mixtures of2,514
- H01M 4/1395Of electrodes based on metals, si or alloys2,108
- H01M 4/1393Of electrodes based on carbonaceous material1,648
- H01M 4/1397Of electrodes based on inorganic compounds other than oxides or hydroxides915
- H01M 4/1399Of electrodes based on electro-active polymers127
Recent patents
- Preparation method and application of lithium cobalt oxide soft-pack battery6 Oct 2026US 12,755,960 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Rechargeable lithium battery with an improved ε-VOPO4 cathode, and applications thereof6 Oct 2026US 12,755,970 B2The Research Foundation for The State University of New York
- Anode active material and lithium-ion battery applying the same6 Oct 2026US 12,755,971 B2Eve Power Co., Ltd.
- Electrode, secondary battery comprising the same, and method for manufacturing the same6 Oct 2026US 12,755,978 B2LG Energy Solution, Ltd.
- Electrode for lithium secondary battery and manufacturing method thereof6 Oct 2026US 12,756,021 B2LG Energy Solution, Ltd.
- Metal-carbon nanofiber composite electrodes for high performance lithium-ion and lead-acid batteries8 Oct 2026US 2026/0311992 A1The Curators of the University of Missouri
- Dry electrode film, preparation method therefor, and electrode and battery8 Oct 2026US 2026/0312000 A1Eve Energy Co., Ltd.
- Method for Fabricating Anode Electrodes with an Anode Active Material Layer Including 2D Carbon Additives for Lithium-Ion Battery Cells8 Oct 2026US 2026/0312001 A1GM Global Technology Operations LLC
- Negative electrode active material, rechargeable lithium battery including the same, and method for manufacturing the same8 Oct 2026US 2026/0312011 A1Samsung SDI.Co., Ltd.
- Cathode, method of manufacturing the cathode, and solid-state secondary battery including the cathode8 Oct 2026US 2026/0312025 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Lithium anodes for electrochemical cells319US 7,247,408 B2Sion Power Corporation · 2007
- Plating metal negative electrodes under protective coatings287US 6,402,795 B1PolyPlus Battery Company · 2002
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Nano graphene platelet-base composite anode compositions for lithium ion batteries226US 7,745,047 B2Nanotek Instruments, Inc. · 2010
- Cathode materials for secondary (rechargeable) lithium batteries223US 6,514,640 B1Board of Regents, The University of Texas System · 2003