H01M 4/66
Selection of materials
H01M4/66 (Selection of materials) appears on 5,258 US grants and 8,429 published applications in this corpus.
Search patents in H01M- Granted patents
- 5,258
- Published applications
- 8,429
- Assignees
- 1,885
- Inventors
- 13,619
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 19 | 0 |
| 1978 | 35 | 0 |
| 1979 | 26 | 0 |
| 1980 | 21 | 0 |
| 1981 | 19 | 0 |
| 1982 | 17 | 0 |
| 1983 | 16 | 0 |
| 1984 | 26 | 0 |
| 1985 | 21 | 0 |
| 1986 | 17 | 0 |
| 1987 | 16 | 0 |
| 1988 | 13 | 0 |
| 1989 | 16 | 0 |
| 1990 | 28 | 0 |
| 1991 | 22 | 0 |
| 1992 | 30 | 0 |
| 1993 | 28 | 0 |
| 1994 | 28 | 0 |
| 1995 | 25 | 0 |
| 1996 | 58 | 0 |
| 1997 | 46 | 0 |
| 1998 | 48 | 0 |
| 1999 | 34 | 0 |
| 2000 | 40 | 0 |
| 2001 | 46 | 21 |
| 2002 | 58 | 85 |
| 2003 | 64 | 109 |
| 2004 | 67 | 102 |
| 2005 | 38 | 125 |
| 2006 | 37 | 103 |
| 2007 | 38 | 93 |
| 2008 | 49 | 92 |
| 2009 | 56 | 136 |
| 2010 | 85 | 163 |
| 2011 | 73 | 213 |
| 2012 | 105 | 237 |
| 2013 | 114 | 281 |
| 2014 | 126 | 310 |
| 2015 | 171 | 291 |
| 2016 | 213 | 361 |
| 2017 | 274 | 402 |
| 2018 | 257 | 468 |
| 2019 | 332 | 457 |
| 2020 | 422 | 578 |
| 2021 | 360 | 521 |
| 2022 | 388 | 596 |
| 2023 | 330 | 701 |
| 2024 | 339 | 688 |
| 2025 | 349 | 715 |
| 2026 | 204 | 581 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 4/661Metal or alloys3,550
- H01M 4/665Composites1,680
- H01M 4/663Containing carbon or carbonaceous materials as conductive part1,066
- H01M 4/668Composites of electroconductive material and synthetic resins552
- H01M 4/68For use in lead-acid accumulators290
- H01M 4/664Ceramic materials244
- H01M 4/669Steels183
Recent patents
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- Electrode plate and electrochemical device6 Oct 2026US 12,755,984 B2Contemporary Amperex Technology (Hong Kong) Limited
- Cathode with a composite nickel structure and method to manufacture the same29 Sep 2026US 12,749,679 B2GM Global Technology Operations LLC
- Dry electrode film, preparation method therefor, and electrode and battery8 Oct 2026US 2026/0312000 A1Eve Energy Co., Ltd.
- Electrode current collectors, electrodes, and rechargeable lithium batteries8 Oct 2026US 2026/0312071 A1Samsung SDI.Co., Ltd.
- Current collector disc processing method, current collector disc, battery cell, and electrical apparatus8 Oct 2026US 2026/0312073 A1Contemporary Amperex Technology Co., Limited
- High performance lfp cell with active material composite for high rate applications8 Oct 2026US 2026/0312149 A1Crimen Tech Private Limited
- Cathode lithium-supplementing additive, preparation method thereof, and application thereof1 Oct 2026US 2026/0296912 A1Shenzhen Innovazone Technology Co., Ltd.
Most cited
By later US patents
- Lithium anodes for electrochemical cells307US 6,797,428 B1Moltech Corporation · 2004
- Lithium anodes for electrochemical cells299US 6,733,924 B1Moltech Corporation · 2004
- Plating metal negative electrodes under protective coatings287US 6,402,795 B1PolyPlus Battery Company · 2002
- Layered arrangements of lithium electrodes262US 6,413,285 B1PolyPlus Battery Company · 2002
- Electrode structural body, rechargeable battery provided with said electrode structural body, and rechargeable battery206US 6,432,585 B1Canon Kabushiki Kaisha · 2002