Table 3.
Selection of representative patents dealing with RT Na–S batteries and nanoparticles and nanotechnology, which protect aspects related to the electrodes.
| Patent publication number (ref.) | Title | Priority/ Applicant |
Area | Nanotechnology-related content |
|
| ||||
| WO2012128262A1/ 2012-09-27 [100] |
Sodium secondary cell electrode and sodium secondary cell | 2011-03-24 & 2011-10-12/ T. Ishikawa; S. Komaba; S. Kuze; Y. Matsuura; W. Murata; Sumitomo Chemical Co.; Univ. Tokyo Science Education Found & N. Yabuuchi |
Sodium secondary cell electrode contains tin powder as an electrode active material and other forming agents of polymeric type | Sn particles can be of nanometric size |
| WO2012151094A2/ 2012-11-08 [101] |
Composite materials for battery applications | 2011-05-04/ A. Abouimrane, K. Amine, J. Ren, UChicago Argonne LLC, J. Yang |
A process for producing nanocomposite materials for use in batteries includes electroactive materials are incorporated within a nanosheet host material | A gaseous electroactive material precursor interacts with a carbonaceous, exfoliated nanosheet material to form a nanocomposite material, including the use of graphene as exfoliated nanosheet carbonaceous material |
| WO2014083135A1/ 2014-06-05 [102] |
Tin-based anode material for a rechargeable battery and preparation method | 2012-11-30/ Belenos Clean Power Holding AG |
Tin-based nanoparticles as anode of sodium and lithium batteries | Development of tin mixed oxides nanoparticles for using as anode in sodium batteries |
| US10320000B2/ 2019-06-11 [103] |
Pyrolytic carbon black composite and method of making the same | 2013-07-18 & 2016-02-29/ UT-Battelle LLC |
Method for preparing sulfonated-carbon material for using in electrodes of lithium-ion or sodium-ion battery | The carbon source to produce the electrode material includes carbon reinforcing agents that may consist of carbon nanoparticles |
| US2017155140A1/ 2017-06-01 [104] |
Antimony-based anode material for rechargeable batteries and preparation method | 2013-11-28/ Belenos Clean Power Holding AG |
Antimony-based nanoparticles as anode of lithium and sodium batteries | Development of antimony mixed oxides nanoparticles for using as anode in sodium batteries |
| WO2017062197A1/ 2017-04-13 [105] |
Continuous process for producing electrodes and alkali metal batteries having ultra-high energy densities | 2015-10-08/ B. Z. Jang, Nanotek Instruments Inc. & A. Zhamu |
Method for producing A process for continuously producing an electrode for an alkali metal battery, where the electrode material may include diverse type of nanoparticles such as graphene nanoplatelets | The method includes various steps: continuously feeding an electrically conductive porous layer to an anode or cathode material impregnation zone, impregnating a wet anode or cathode active material mixture to form an anode or cathode electrode, and supplying a protective film to cover the electrode |
| WO2017172044A2/ 2017-10-05 [103] |
Pyrolytic carbon black composite and method of making the same | 2016-02-29/ UT-Battelle LLC |
Method for preparing sulfonated-carbon material for using in electrodes of lithium-ion or sodium-ion battery | The carbon source to produce the electrode material includes carbon reinforcing agents that may consist of carbon nanoparticles |
| US2019270678A1/ 2019-09-05 [106] |
New process for producing highly carbonaceous materials and the highly carbonaceous material obtained | 2016-10-28 & 2017-10-26/ Arkema France |
Process for the production of highly carbonaceous material including steps of carbonization of fibers covered with a cyclic organic or aromatic compound to produce a highly carbonaceous material of possible application in alkali batteries | The precursors and reagents used to produce the highly carbonaceous material include nanocellulose and diverse carbonaceous nanofillers |
| WO2019108343A1/ 2019-06-06 [107] |
Anode particulates or cathode particulates and alkali metal batteries containing same | 2017-11-30 & 2017-12-05/ Nanotek Instruments Inc. |
Electrodes, anode and cathode based on the combination of components forming a three dimensional network of electron-conducting pathways in contact with the electrode active material | The electrode components may include diverse types of nanoparticles, nanowires, nanofibers, nanotubes, nanosheets, nanobelts, nanoribbons, nanodiscs, nanoplatelets, or nanohorns, for instance, carbon nanofibers or carbon nanotubes, hollow carbon nanowires, nanospheres, or graphene |
| US10637043B2/ 2020-04-28 [108] |
Anode particulates or cathode particulates and alkali metal batteries containing same | 2017-11-30/ Nanotek Instruments Inc. & Global Graphene Group Inc. |
Electrode material based on the combination of components forming a three dimensional network of electron-conducting pathways | The electrode includes an active material capable of reversibly absorbing sodium ions, an electron-conducting material, and a sodium ion-conducting electrolyte |
| US10873083B2/ 2020-12-22 [109] |
Anode particulates or cathode particulates and alkali metal batteries | 2017-11-30 & 2018-01-02/ Global Graphene Group Inc. |
Anode and cathode including nanoparticles for an alkali metal battery where the particulate can be of any shape, but preferably spherical or ellipsoidal in shape | The electrode material contains nanoparticles, nanowires, nanofibers, nanotubes, nanosheets, nanobelts, nanoribbons, nanodiscs, nanoplatelets, or nanohorn-shaped particles |
| US2019173079A1/ 2019-06-06 [110] |
Method of producing participate electrode materials for alkali metal batteries | 2017-12-05 & 2018-01-02/ Nanotek Instruments Inc. |
Method of producing anode or cathode particulates for an alkali metal battery | The method is characterized for converting a said slurry into multiple anode/cathode particulates having dimensions on the nano/microscale |
| US10797313B2/ 2020-10-06 [111] |
Method of producing anode or cathode particulates for alkali metal batteries | 2017-12-05/ Nanotek Instruments Inc. & Global Graphene Group Inc. |
Method of producing anode or cathode particulates for an alkali metal battery including particles of the active material, the electron-conducting material forming a 3D network, and an electrolyte | The combination of particulate components implies the use of pan-coating, air-suspension coating, centrifugal extrusion, vibration nozzle, spray-drying, interfacial polycondensation or interfacial cross-linking, in situ polymerization, matrix polymerization methodos, or a combination thereof |
| WO2019135827A1/ 2019-07-11 [112] |
Anode particulates or cathode particulates for alkali metal batteries | 2018-01-02/ Nanotek Instruments Inc. |
Electrode, anode and cathode, materials formed of particles of the electrode material, an electron-conducting material, and an alkali salt with an optional polymer or its monomer, but without a liquid solvent, forming a 3D network of electron-conducting pathways, for sodium and lithium battery applications | The particulate electrode material may contain components as nanoparticles, nanowires, nanofibers, nanotubes, nanosheets, nanobelts, nanoribbons, nanodiscs, nanoplatelets, or nanohorns having a thickness or diameter from 0.5 nm to 100 nm, and it could also include graphene as electron-conducting component |
| CN109437123A/ 2019-03-08 [113] |
Selenium-doped ferrous disulfide carbon-coated composite material and preparation and application methods thereof | 2018-10-16/ Zhongshan Gaorong New Energy Tech. Co. Ltd. |
Preparation and application methods of selenium-doped ferrous disulfide carbon-coated composite material | Application of a selenium-doped ferrous disulfide carbon-coated composite as a negative electrode material in sodium-ion batteries |