H01M 8/188
By recharging of redox couples containing fluids
Official title: {by recharging of redox couples containing fluids; Redox flow type batteries}
H01M8/188 (By recharging of redox couples containing fluids) appears on 1,285 US grants and 2,067 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,285
- Published applications
- 2,067
- Assignees
- 648
- Inventors
- 3,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 5 |
| 2003 | 7 | 9 |
| 2004 | 8 | 13 |
| 2005 | 5 | 12 |
| 2006 | 6 | 9 |
| 2007 | 4 | 6 |
| 2008 | 6 | 8 |
| 2009 | 4 | 11 |
| 2010 | 11 | 23 |
| 2011 | 7 | 36 |
| 2012 | 9 | 47 |
| 2013 | 20 | 71 |
| 2014 | 40 | 108 |
| 2015 | 49 | 108 |
| 2016 | 58 | 145 |
| 2017 | 82 | 125 |
| 2018 | 102 | 162 |
| 2019 | 127 | 164 |
| 2020 | 135 | 149 |
| 2021 | 103 | 132 |
| 2022 | 121 | 132 |
| 2023 | 118 | 176 |
| 2024 | 85 | 189 |
| 2025 | 67 | 125 |
| 2026 | 63 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-aqueous redox flow batteries6 Oct 2026US 12,755,995 B2ENI S. p. A.
- Salinity gradient power generation device comprising electrodes of an activated carbon fabric15 Sep 2026US 12,738,523 B2Sweetch Energy
- Electrolyte regeneration for organic redox flow batteries based on water-soluble phenazine-based compounds8 Sep 2026US 12,731,806 B2CMBlu Energy AG
- Electrolyte regeneration for redox flow batteries based on ferrocyanide and/or ferricyanide salts8 Sep 2026US 12,731,807 B2CMBlu Energy AG
- Acoustically controlled rheological valve for thixotropic fluid flow control1 Sep 2026US 12,725,823 B1
- Carbon dioxide adsorption battery, charge/discharge device, and carbon dioxide concentration device8 Oct 2026US 2026/0307004 A1Kuraray Co., Ltd.
- Thin-film composite membranes for electrochemical systems8 Oct 2026US 2026/0312083 A1Massachusetts Institute of Technology
- Ai driven vfd control for securing membrane in flow batteries8 Oct 2026US 2026/0312097 A1ViZn Energy Systems, Inc.
- High-performance, durable, and self-regenerating zinc-based flow battery1 Oct 2026US 2026/0302298 A1City University of Hong Kong
- Long-duration energy storage system1 Oct 2026US 2026/0302784 A1
Most cited
By later US patents
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- High energy density redox flow device172US 8,722,226 B224M Technologies, Inc. · 2014
- Electrically rechargeable anionically active reduction-oxidation electrical storage-supply system147US 4,485,154 AInstitute of Gas Technology · 1984
- High energy density redox flow device134US 9,153,833 B224M Technologies, Inc. · 2015
- Semi-solid electrodes having high rate capability132US 8,993,159 B224M Technologies, Inc. · 2015