Table 4.
Other patents of interest related to RT Na–S batteries.
| Patent publication number (ref.) | Title | Priority/ Applicant |
Area | Relevance for Na–S batteries |
|
| ||||
| EP3422438A1/ 2019-01-02 [114] |
Solid polymer electrolyte based on modified cellulose and its use in lithium or sodium secondary batteries | 2017-06-28/ Fundación Centro de Investigación Cooperativa de Energías Alternativas CIC Energigune Fundazioa |
Solid polymer electrolyte based on modified cellulose incorporating by covalent grafting the anion of an organic sodium salt or lithium salt | Alternative polymer electrolyte for application in batteries |
| WO2019010474A1/ 2019-01-10 [115] |
Electrospinning of PVDF-HFP: novel composite polymer electrolytes (CPES) with enhanced ionic conductivities for lithium-sulfur batteries | 2017-07-07/ Univ. Pittsburgh Commonwealth Sys. Higher Education |
Polymer electrolyte separator that comprises electrospun nanofibers, a lithium/magnesium/sodium solid or liquid electrolyte and nanoparticle filler (metal oxides and metal non-oxide, groups III, IV, or V) | Composite polymer electrolyte separators for lithium batteries and extended to sodium and magnesium batteries |
| US2020251781A1/ 2020-08-06 [116] |
Non-aqueous electrolytes for electrochemical cells | 2019-02-04/ UChicago Argonne LLC |
A non-aqueous electrolyte comprising a salt, a non-aqueous solvent, and a compound containing S(O)-or S(O)2- groups for diverse uses including Na–S-batteries | The electrolyte can be used in electrochemical devices that may include diverse types of nanomaterials in some of their components, for instance carbon nanotubes, carbon nanofibers, graphene, tin nanoparticles, and others |
| WO2020006642A1/ 2020-01-09 [117] |
Glycidyl-containing polymers, polymer compositions comprising them and their use in electrochemical cells | 2018-07-06/ Hydro Quebec & Murata Manufacturing Co. |
Glycidyl-containing polymers and polymer compositions for uses in electrode materials and/or as coatings for battery components | The polymer may be used in the preparation of electrode materials to disperse nanoparticles |
| US2014205883A1/ 2014-07-24 [118] |
Reactive separator for a metal-ion battery | 2012-03-28 and others/ Sharp Lab. of America Inc. |
A reactive separator for a metal-ion battery made up of a reactive layer that is chemically reactive to alkali or alkaline earth metals, and has a first side and a second side | The reactive layer may be formed as a porous membrane (carbon or a porous polymer) embedded with reactive components or is formed as a polymer gel embedded with reactive components |
| KR102001454B1/ 2019-07-18 [119] |
The preparation method of multi-layer core–shell nano particles comprising porous carbon shell and core–shell nano particles thereby | 2017-09-27/ Korea Institute of Energy Research |
Methodology for preparation of core–shell nanoparticles of various components and compositions | Possible use of core–shell nanoparticles as components of electrode materials in lithium and sodium batteries |
| WO2013073259A1/ 2013-05-23 [120] |
High-purity parastyrene sulfonic acid (salt); polystyrene sulfonic acid (salt) using same; dispersant, conductive polymer dopant, aqueous nanocarbon material dispersion and aqueous conductive polymer dispersion each using polystyrene sulfonic acid (salt); and method for producing polystyrene sulfonic acid (salt) | 2011-11-16/ H. Matsunaga; S. Ozoe; Tosoh Organic Chemical Co. Ltd. & K. Yamanoi |
Novel polystyrene sulfonic acid (salt) useful as a dispersant for producing an aqueous dispersion of a nanocarbon material or an aqueous dispersion of a conductive polymer | The material can be used as a dispersant for producing carbon nanomaterials, such as carbon nanotubes, graphene, or fullerenes that can be used as electrode protective film and separator for sodium secondary battery |
| CN111517374A/ 2020-08-11 [121] |
Preparation method of Fe7S8/C composite material | 2020-04-20/ Jixi Weida New Material Tech Co. Ltd.; Univ Science & Technology Liaoning |
Method for preparation an iron sulfide/carbon composite material for potential use as electrode in lithium and potentially other alkaline-ion batteries | Combination of sulfide nanoparticles and the carbon component improve the conductivity of the anode materials and also act as a structural buffer |
| US2014023922A1/ 2014-01-23 [122] |
Manufacturing method of an electrode for an electrochemical element | 2011-01-21 & others/ Y. Isshiki Yasuhiro; Y. Wakizaka & Zeon Corp. |
Method to produce an electrode for an electrochemical element having a superior adhesion | The electrode material (a mixed powder or composite particles) includes an alkaline metal powder for uses in diverse alkaline batteries |