H01M 4/044
Activating, forming or electrochemical attack of the supporting material
Official title: {Activating, forming or electrochemical attack of the supporting material}
H01M4/044 (Activating, forming or electrochemical attack of the supporting material) appears on 541 US grants and 899 published applications in this corpus.
Search patents in H01M- Granted patents
- 541
- Published applications
- 899
- Assignees
- 368
- Inventors
- 2,124
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 1 |
| 2002 | 1 | 4 |
| 2003 | 0 | 7 |
| 2004 | 9 | 6 |
| 2005 | 2 | 8 |
| 2006 | 0 | 2 |
| 2007 | 1 | 6 |
| 2008 | 1 | 3 |
| 2009 | 3 | 2 |
| 2010 | 1 | 6 |
| 2011 | 4 | 10 |
| 2012 | 1 | 13 |
| 2013 | 8 | 16 |
| 2014 | 7 | 20 |
| 2015 | 16 | 37 |
| 2016 | 14 | 33 |
| 2017 | 23 | 21 |
| 2018 | 19 | 35 |
| 2019 | 31 | 61 |
| 2020 | 46 | 67 |
| 2021 | 47 | 99 |
| 2022 | 47 | 87 |
| 2023 | 53 | 106 |
| 2024 | 52 | 80 |
| 2025 | 72 | 88 |
| 2026 | 29 | 81 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lead sulfate film removing apparatus, method, and system6 Oct 2026US 12,755,956 B2Alpha Bright Company Limited
- Low-voltage defect inspection method of lithium secondary battery and manufacturing method of lithium secondary battery29 Sep 2026US 12,748,153 B2LG Energy Solution, Ltd.
- Method for producing a cyclically stable silicon anode for secondary batteries, and silicon anode for secondary batteries15 Sep 2026US 12,738,476 B2Christian-Albrechts-Universitaet zu Kiel
- Method of manufacturing negative electrode1 Sep 2026US 12,725,782 B2LG Energy Solution, Ltd.
- Lithium-rich nickel manganese oxide battery cathode materials and methods18 Aug 2026US 12,712,177 B2Stratus Materials Inc.
- Formation device and method for secondary battery1 Oct 2026US 2026/0302162 A1Samsung SDI.Co., Ltd.
- Electrical energy storage device and method of manufacturing the same1 Oct 2026US 2026/0302252 A1Prime Planet Energy & Solutions, Inc.
- Method for Generating a Porous Conductor and Lithium Ion Battery1 Oct 2026US 2026/0302257 A1Bayerische Motoren Werke Aktiengesellschaft
- Lithium Secondary Battery and Method for Manufacturing the Same1 Oct 2026US 2026/0302443 A1LG Energy Solution, Ltd.
- Negative electrode for rechargeable lithium battery, method for manufacturing the same, and rechargeable lithium battery including the same17 Sep 2026US 2026/0279760 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Rechargeable lithium battery for use in applications requiring a low to high power output346US 5,569,520 AMartin Marietta Energy Systems, Inc. · 1996
- Rechargeable lithium battery for use in applications requiring a low to high power output290US 5,612,152 AMartin Marietta Energy Systems, Inc. · 1997
- Battery with an in-situ activation plated lithium anode192US 6,168,884 ALockheed Martin Energy Research Corporation · 2001
- Long cycle-life alkali metal battery158US 6,203,947 B1Ramot University Authority for Applied Research and Industrial Development Ltd. · 2001
- Dioxolane as a proctector for lithium electrodes151US 6,225,002 B1PolyPlus Battery Company · 2001