H01M 50/46
Separators, membranes or diaphragms characterised by their combination with electrodes
H01M50/46 (Separators, membranes or diaphragms characterised by their combination with electrodes) appears on 2,021 US grants and 3,564 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,021
- Published applications
- 3,564
- Assignees
- 689
- Inventors
- 6,228
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 35 | 16 |
| 2002 | 44 | 36 |
| 2003 | 24 | 27 |
| 2004 | 28 | 32 |
| 2005 | 9 | 34 |
| 2006 | 15 | 49 |
| 2007 | 14 | 42 |
| 2008 | 12 | 38 |
| 2009 | 14 | 48 |
| 2010 | 35 | 50 |
| 2011 | 31 | 53 |
| 2012 | 46 | 79 |
| 2013 | 35 | 80 |
| 2014 | 47 | 123 |
| 2015 | 61 | 149 |
| 2016 | 65 | 128 |
| 2017 | 116 | 127 |
| 2018 | 102 | 148 |
| 2019 | 96 | 152 |
| 2020 | 151 | 298 |
| 2021 | 105 | 210 |
| 2022 | 179 | 208 |
| 2023 | 150 | 448 |
| 2024 | 157 | 352 |
| 2025 | 172 | 346 |
| 2026 | 149 | 291 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 3-D composite anodes for Li-ion batteries with high capacity and fast charging capability6 Oct 2026US 12,755,958 B2The Regents of the University of Michigan
- Negative electrode active material, and electrochemical apparatus and electronic apparatus using the same29 Sep 2026US 12,749,669 B2Ningde Amperex Technology Limited
- Separator including polyethylene with highly entangled polymer chains, and electrochemical device including the same29 Sep 2026US 12,749,766 B2LG Energy Solution, Ltd.
- Slurry composition for secondary battery electrode and secondary battery electrode using same22 Sep 2026US 12,744,212 B2Dongjin Semichem Co., Ltd.
- Secondary battery electrode film and separator supply device22 Sep 2026US 12,744,234 B2
- 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
- Surface etched battery electrodes via phase separation8 Oct 2026US 2026/0312060 A1Ford Global Technologies, LLC
- Electrode Assembly and Secondary Battery including the Same8 Oct 2026US 2026/0312142 A1Samsung SDI.Co., Ltd.
- Separator with a ceramic-comprising separator layer8 Oct 2026US 2026/0312233 A1Sila Nanotechnologies, Inc.
- Internal series battery and electrical device8 Oct 2026US 2026/0312234 A1Contemporary Amperex Technology (Hong Kong) Limited
Most cited
By later US patents
- Stabilized anode for lithium-polymer batteries392US 5,961,672 AMoltech Corporation · 1999
- Protective lithium ion conducting ceramic coating for lithium metal anodes and associate method376US 5,314,765 AMartin Marietta Energy Systems, Inc. · 1994
- Protective coatings for negative electrodes373US 6,025,094 APolyPlus Battery Company · 2000
- Stabilized anode for lithium-polymer batteries363US 5,648,187 AMoltech Corporation · 1997
- Method of making an electrochemical cell by the application of polysiloxane onto at least one of the cell components344US 6,547,839 B2Skc Co., Ltd. · 2003