H01M 8/1011
Direct alcohol fuel cells [dafc]
Official title: Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
H01M8/1011 (Direct alcohol fuel cells [dafc]) appears on 936 US grants and 1,735 published applications in this corpus.
Search patents in H01M- Granted patents
- 936
- Published applications
- 1,735
- Assignees
- 483
- Inventors
- 2,560
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 11 | 2 |
| 2002 | 5 | 26 |
| 2003 | 13 | 43 |
| 2004 | 19 | 84 |
| 2005 | 18 | 133 |
| 2006 | 32 | 195 |
| 2007 | 37 | 230 |
| 2008 | 44 | 204 |
| 2009 | 82 | 216 |
| 2010 | 135 | 167 |
| 2011 | 112 | 107 |
| 2012 | 97 | 68 |
| 2013 | 67 | 46 |
| 2014 | 60 | 44 |
| 2015 | 45 | 28 |
| 2016 | 30 | 23 |
| 2017 | 14 | 13 |
| 2018 | 18 | 17 |
| 2019 | 15 | 12 |
| 2020 | 15 | 17 |
| 2021 | 13 | 15 |
| 2022 | 13 | 16 |
| 2023 | 11 | 14 |
| 2024 | 14 | 5 |
| 2025 | 6 | 4 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 4H/fcc heterophase platinum based nanomaterial on nanorod for electrocatalytic alcohol oxidation8 Sep 2026US 12,731,794 B2City University of Hong Kong
- Fuel cell re-oxidation prevention during operation stop30 Jun 2026US 12,671,101 B2GE Vernova Infrastructure Technology LLC
- Ion-conducting membranes, components having the ion-conducting membranes, and process for forming the same19 May 2026US 12,633,560 B2Vimano Inc.
- Electrochemical inert gas and power generating system and method28 Apr 2026US 12,612,175 B2Hamilton Sundstrand Corporation
- Pulsed electrochemical deposition of ordered intermetallic carbon composites14 Apr 2026US 12,603,300 B2
- Hydrophobic biobinder for cathodic formulation20 Aug 2026US 2026/0245916 A1Befc
- Ion-conducting membranes, components having the ion-conducting membranes, and processes for forming the same30 Jul 2026US 2026/0221481 A1Vimano Inc.
- Advanced Ion Exchange Membranes And Applications Thereof30 Apr 2026US 2026/0121095 A1
- Fuel cell system including alcohol vaporization components and method of operating the same29 Jan 2026US 2026/0031379 A1Bloom Energy Corporation
- Artificial photosynthesis energy systems and methods15 Jan 2026US 2026/0018639 A1Shaheen Innovations Holding Limited
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane173US 5,599,638 ACalifornia Institute of Technology · 1997
- Nanowire-based membrane electrode assemblies for fuel cells164US 7,179,561 B2Nanosys, Inc. · 2007
- Power supply apparatus with fuel cell and method of controlling the same162US 7,883,808 B2Hitachi, Ltd. · 2011
- Direct methanol feed fuel cell and system113US 5,773,162 ACalifornia Institute of Technology · 1998