H01M 10/3909
Sodium-sulfur cells
Official title: {Sodium-sulfur cells}
H01M10/3909 (Sodium-sulfur cells) appears on 565 US grants and 226 published applications in this corpus.
Search patents in H01M- Granted patents
- 565
- Published applications
- 226
- Assignees
- 170
- Inventors
- 833
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 36 | 0 |
| 1978 | 36 | 0 |
| 1979 | 23 | 0 |
| 1980 | 38 | 0 |
| 1981 | 23 | 0 |
| 1982 | 17 | 0 |
| 1983 | 24 | 0 |
| 1984 | 15 | 0 |
| 1985 | 21 | 0 |
| 1986 | 15 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 8 | 0 |
| 1990 | 18 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 2 |
| 2003 | 4 | 5 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 9 |
| 2011 | 4 | 23 |
| 2012 | 4 | 16 |
| 2013 | 6 | 23 |
| 2014 | 11 | 24 |
| 2015 | 14 | 25 |
| 2016 | 16 | 13 |
| 2017 | 14 | 7 |
| 2018 | 21 | 9 |
| 2019 | 11 | 14 |
| 2020 | 13 | 14 |
| 2021 | 10 | 10 |
| 2022 | 4 | 4 |
| 2023 | 3 | 7 |
| 2024 | 7 | 4 |
| 2025 | 3 | 4 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 10/3918Characterised by the electrolyte141
- H01M 10/3954Containing additives or special arrangement in the sulfur compartment32
- H01M 10/3963Sealing means between the solid electrolyte and holders14
- H01M 10/3945Containing additives or special arrangements in the sodium compartment12
- H01M 10/3981Flat cells8
- H01M 10/3972Flexible parts7
Recent patents
- Anode protection layer12 May 2026US 12,626,914 B2Gelion Technologies Pty Ltd
- Method for manufacturing an assembly comprising a separator and porous electrode, an assembly comprising a separator and porous electrode, and electrochemical device containing such an assembly3 Mar 2026US 12,567,574 B2I-Ten
- Solid electrolyte film for sulfide-based all-solid-state battery batteries17 Feb 2026US 12,555,770 B2LG Energy Solution, Ltd.
- Sodium-ion-permeable plate-like partitioning wall and method for manufacturing same20 Jan 2026US 12,531,278 B2Kabushiki Kaisha Jinkoshigen Kenkyusho
- Manufacture of green compacts from Na-β-aluminate4 Nov 2025US 12,459,869 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Electrolyte, secondary battery, and electric apparatus18 Dec 2025US 2025/0385321 A1Contemporary Amperex Technology Co., Limited
- Battery module or pack with a distributed cooling and fire protection system and method of operating same13 Mar 2025US 2025/0087786 A1Honeycomb Battery Company
- Use of carbon metal composite material for surface treatment to improve sodium wettability on solid state electrolytes6 Feb 2025US 2025/0046882 A1Battelle Memorial Institute
- Sodium/lithium phosphorothioates as novel solid-state electrolyte for sodium/lithium battery9 Jan 2025US 2025/0015364 A1Trustees of Dartmouth College
- Module battery container, and module battery14 Nov 2024US 2024/0380030 A1BASF SE
Most cited
By later US patents
- Liquid electrolyte lithium-sulfur batteries209US 6,030,720 APolyPlus Battery Company · 2000
- Rechargeable positive electrodes193US 5,686,201 APolyPlus Battery Company · 1997
- Methods of fabricating rechargeable positive electrodes188US 5,582,623 APolyPlus Battery Company · 1996
- Rechargeable positive electrode185US 5,523,179 APolyPlus Battery Company · 1996
- Rechargeable positive electrodes178US 5,814,420 APolyPlus Battery Company · 1998