H01M 4/40
Alloys based on alkali metals
H01M4/40 (Alloys based on alkali metals) appears on 1,076 US grants and 1,499 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,076
- Published applications
- 1,499
- Assignees
- 495
- Inventors
- 3,128
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 10 |
| 2002 | 15 | 44 |
| 2003 | 17 | 47 |
| 2004 | 28 | 44 |
| 2005 | 21 | 53 |
| 2006 | 22 | 41 |
| 2007 | 19 | 43 |
| 2008 | 25 | 28 |
| 2009 | 28 | 47 |
| 2010 | 37 | 40 |
| 2011 | 25 | 44 |
| 2012 | 19 | 40 |
| 2013 | 31 | 29 |
| 2014 | 44 | 37 |
| 2015 | 37 | 49 |
| 2016 | 31 | 47 |
| 2017 | 27 | 44 |
| 2018 | 32 | 58 |
| 2019 | 42 | 70 |
| 2020 | 56 | 88 |
| 2021 | 54 | 83 |
| 2022 | 68 | 109 |
| 2023 | 71 | 120 |
| 2024 | 53 | 97 |
| 2025 | 60 | 106 |
| 2026 | 42 | 81 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solid electrolyte including nitrogen and sulfur, electrochemical cell including solid electrolyte, and method of preparing sold electrolyte6 Oct 2026US 12,756,005 B2Samsung SDI.Co., Ltd.
- All-solid-state lithium battery and manufacturing method thereof22 Sep 2026US 12,744,207 B2CPC Corporation, Taiwan
- Lithium-containing electrochemical cells, electrochemical systems, and related methods15 Sep 2026US 12,738,528 B2Sion Power Corporation
- Cathode material and preparation method thereof, composite cathode material, and battery4 Aug 2026US 12,700,584 B2BYD Company Limited
- Electrode piece and battery28 Jul 2026US 12,695,082 B2Zhuhai Cosmx Battery Co., Ltd.
- Prelithiated negative electrode plate, preparation method of lithium supplementation composite layer, lithium supplementation method, secondary battery, and electronic apparatus8 Oct 2026US 2026/0312013 A1Ningde Amperex Technology Limited
- Alloy electrodes for all solid state batteries and methods of making same1 Oct 2026US 2026/0302170 A1LG Energy Solution, Ltd.
- Electrode active material composite particle and battery1 Oct 2026US 2026/0302196 A1Toyota Jidosha Kabushiki Kaisha
- Anode active material layer and solid-state battery1 Oct 2026US 2026/0302197 A1Toyota Jidosha Kabushiki Kaisha
- Battery module1 Oct 2026US 2026/0302316 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Ionically conductive composites for protection of active metal anodes203US 7,282,296 B2PolyPlus Battery Company · 2007
- Composite cathodes, electrochemical cells comprising novel composite cathodes, and processes for fabricating same201US 5,919,587 AMoltech Corporation · 1999
- High reliability electrochemical cell and electrode assembly therefor200US 5,439,760 AMedtronic, Inc. · 1995
- Solid state thin film battery having a high temperature lithium alloy anode168US 5,705,293 ALockheed Martin Energy Research Corporation · 1998