H01M 8/1048
Ion-conducting additives
Official title: Ion-conducting additives, e.g. ion-conducting particles, heteropolyacids, metal phosphate or polybenzimidazole with phosphoric acid
H01M8/1048 (Ion-conducting additives) appears on 392 US grants and 546 published applications in this corpus.
Search patents in H01M- Granted patents
- 392
- Published applications
- 546
- Assignees
- 263
- Inventors
- 1,109
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 11 |
| 2003 | 2 | 14 |
| 2004 | 8 | 33 |
| 2005 | 15 | 35 |
| 2006 | 11 | 44 |
| 2007 | 12 | 51 |
| 2008 | 14 | 42 |
| 2009 | 29 | 46 |
| 2010 | 29 | 44 |
| 2011 | 36 | 38 |
| 2012 | 38 | 37 |
| 2013 | 21 | 18 |
| 2014 | 25 | 11 |
| 2015 | 26 | 19 |
| 2016 | 15 | 10 |
| 2017 | 16 | 9 |
| 2018 | 3 | 3 |
| 2019 | 7 | 9 |
| 2020 | 11 | 10 |
| 2021 | 8 | 16 |
| 2022 | 8 | 13 |
| 2023 | 13 | 15 |
| 2024 | 7 | 8 |
| 2025 | 5 | 3 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer electrolyte membrane, manufacturing method therefor, and electrochemical device comprising same22 Sep 2026US 12,744,229 B2Kolon Industries, Inc.
- Composite high-temperature proton exchange membrane for fuel cell, preparation method therefor and use thereof25 Aug 2026US 12,719,071 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Preparation of metallocene containing cationic polymers for anion exchange applications28 Jul 2026US 12,691,419 B2University of South Carolina
- Ion-conducting membranes, components having the ion-conducting membranes, and process for forming the same19 May 2026US 12,633,560 B2Vimano Inc.
- Additive having a pervoskite compound for a polymer electrolyte membrane fuel cell and a polymer electrolyte membrane fuel cell including same19 May 2026US 12,633,561 B2Daegu Gyeongbuk Institude of Science and Technology
- Ion-conducting membranes, components having the ion-conducting membranes, and processes for forming the same30 Jul 2026US 2026/0221481 A1Vimano Inc.
- Catalyst for electrochemical cell and membrane-electrode assembly18 Jun 2026US 2026/0171429 A1Samsung Electro-Mechanics Co., Ltd.
- Polymer electrolyte membrane, method for manufacturing same, and membrane-electrode assembly comprising same4 Jun 2026US 2026/0155417 A1Kolon Industries, Inc.
- Electrochemical membrane7 May 2026US 2026/0128339 A1W. L. Gore & Associates, Inc.
- Advanced Ion Exchange Membranes And Applications Thereof30 Apr 2026US 2026/0121095 A1
Most cited
By later US patents
- Proton conducting polymers used as membranes200US 5,525,436 ACase Western Reserve University · 1996
- Materials useful as electrolytic solutes83US 6,365,301 B1ACEP Inc. · 2002
- Acid-modified polybenzimidazole fuel cell elements63US 5,599,639 AHoechst Celanese Corporation · 1997
- Microporous PVDF films63US 7,338,692 B23M Innovative Properties Company · 2008
- Composite membrane suitable for use in electrochemical devices61US 6,059,943 ALynntech, Inc. · 2000