H01M 4/137
Electrodes based on electro-active polymers
H01M4/137 (Electrodes based on electro-active polymers) appears on 381 US grants and 495 published applications in this corpus.
Search patents in H01M- Granted patents
- 381
- Published applications
- 495
- Assignees
- 267
- Inventors
- 1,248
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 7 | 15 |
| 2003 | 7 | 10 |
| 2004 | 13 | 17 |
| 2005 | 5 | 13 |
| 2006 | 9 | 6 |
| 2007 | 5 | 13 |
| 2008 | 4 | 13 |
| 2009 | 2 | 7 |
| 2010 | 6 | 13 |
| 2011 | 7 | 11 |
| 2012 | 7 | 16 |
| 2013 | 9 | 13 |
| 2014 | 13 | 30 |
| 2015 | 20 | 29 |
| 2016 | 13 | 16 |
| 2017 | 14 | 28 |
| 2018 | 20 | 30 |
| 2019 | 20 | 35 |
| 2020 | 25 | 38 |
| 2021 | 33 | 28 |
| 2022 | 29 | 29 |
| 2023 | 21 | 31 |
| 2024 | 11 | 23 |
| 2025 | 13 | 16 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitro-substituted aromatic compounds for use in electrodes16 Jun 2026US 12,658,444 B2
- Covalent organic framework and its electrochemical use2 Jun 2026US 12,646,720 B2City University of Hong Kong
- Coating process for sulfur polymer cathodes26 May 2026US 12,640,363 B1Cornerstone Research Group, Inc.
- Nonaqueous electrolyte secondary battery26 May 2026US 12,640,365 B2Panasonic Intellectual Property Management Co., Ltd.
- Positive electrode piece and secondary battery including same21 Apr 2026US 12,609,353 B2Zhuhai Cosmx Battery Co., Ltd.
- Hybrid organic-inorganic redox active material and related composites, compositions, electrode material, electrodes, electrochemical cells, batteries, methods and systems10 Sep 2026US 2026/0269250 A1Linova Energy Inc.
- Aqueous metal batteries with polyaniline-containing cathodes6 Aug 2026US 2026/0229521 A1The Texas A&M University System
- Nonaqueous electrolyte secondary battery and positive electrode used in same30 Jul 2026US 2026/0221417 A1Panasonic Intellectual Property Management Co., Ltd.
- Composite material for electrodes, electricity storage device, and method of manufacturing composite material for electrodes23 Jul 2026US 2026/0213158 A1Tohoku University
- Electrode for Lithium Secondary Battery and Lithium Secondary Battery Comprising the Same9 Jul 2026US 2026/0196507 A1LG Chem.Ltd.
Most cited
By later US patents
- Composite cathodes, electrochemical cells comprising novel composite cathodes, and processes for fabricating same201US 5,919,587 AMoltech Corporation · 1999
- High power, high energy, hybrid electrode and electrical energy storage device made therefrom183US 5,744,258 AMotorola, Inc. · 1998
- High capacity cathodes for secondary cells115US 5,460,905 AMoltech Corporation · 1995
- High capacity cathodes for secondary cells107US 5,462,566 AMoltech Corporation · 1995
- Three-dimensional microstructure as a substrate for a battery electrode97US 5,294,504 AOsaka Gas Co., Ltd. · 1994