H01M 4/049
Manufacturing of an active layer by chemical means
Official title: {Manufacturing of an active layer by chemical means}
H01M4/049 (Manufacturing of an active layer by chemical means) appears on 497 US grants and 674 published applications in this corpus.
Search patents in H01M- Granted patents
- 497
- Published applications
- 674
- Assignees
- 333
- Inventors
- 1,530
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 8 |
| 2003 | 4 | 19 |
| 2004 | 6 | 8 |
| 2005 | 9 | 9 |
| 2006 | 2 | 9 |
| 2007 | 5 | 10 |
| 2008 | 5 | 12 |
| 2009 | 8 | 12 |
| 2010 | 7 | 13 |
| 2011 | 11 | 21 |
| 2012 | 6 | 25 |
| 2013 | 16 | 34 |
| 2014 | 25 | 50 |
| 2015 | 32 | 53 |
| 2016 | 36 | 47 |
| 2017 | 38 | 26 |
| 2018 | 28 | 37 |
| 2019 | 32 | 37 |
| 2020 | 31 | 37 |
| 2021 | 30 | 40 |
| 2022 | 20 | 46 |
| 2023 | 20 | 37 |
| 2024 | 46 | 39 |
| 2025 | 23 | 24 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite cathode active material, cathode and lithium battery including the same, and method of preparing the composite cathode active material18 Aug 2026US 12,712,178 B2Samsung Electronics Co., Ltd.
- Electrodes, electrochemical cells, and methods for making electrodes28 Jul 2026US 12,695,097 B2GM Global Technology Operations LLC
- Method for producing secondary battery material from black mass14 Jul 2026US 12,683,210 B2Kemco
- Electrode, use thereof, battery, and process for producing an electrode30 Jun 2026US 12,671,077 B2RENA Technologies GmbH
- Methods and systems for a lithium-ion battery cell cathode23 Jun 2026US 12,665,182 B2A123 Systems, Inc.
- Alloy electrodes for all solid state batteries and methods of making same1 Oct 2026US 2026/0302170 A1LG Energy Solution, Ltd.
- Method of forming a composition and the composition formed therefrom17 Sep 2026US 2026/0279766 A1Teebs R&D, LLC
- System for resource recovery and zero liquid discharge treatment of wastewater generated during a precursor manufacturing process for a cathode active material of secondary battery10 Sep 2026US 2026/0265105 A1Bkt Co., Ltd.
- Superfast recharging zinc-based energy storage devices3 Sep 2026US 2026/0260880 A1Nanotech Energy, Inc.
- Method of forming a composite structure and alkali metal or alkali earth metal battery comprising said composite structure20 Aug 2026US 2026/0245873 A1
Most cited
By later US patents
- Layered arrangements of lithium electrodes262US 6,413,285 B1PolyPlus Battery Company · 2002
- Free-standing and aligned carbon nanotubes and synthesis thereof254US 6,863,942 B2The Research Foundation of State University of New York · 2005
- Cathode materials for secondary (rechargeable) lithium batteries223US 6,514,640 B1Board of Regents, The University of Texas System · 2003
- Encapsulated lithium alloy electrodes having barrier layers163US 6,413,284 B1PolyPlus Battery Company · 2002
- Encapsulated lithium alloy electrodes having barrier layers128US 6,737,197 B2PolyPlus Battery Company · 2004