System for Producing and Supplying Hydrogen and Sodium Chlorate, Comprising a Sodium Chloride Electrolyser for Producing Sodium Chlorate

• US 20130115535A1
• Filed: 06/07/2011
• Published: 05/09/2013
• Est. Priority Date: 06/29/2010
• Status: Active Grant

• Current Assignee: Compagnie Generale DES Etablissements Michelin SCA
• Original Assignee: Compagnie Generale DES Etablissements Michelin SCA, Michelin Recherche et Technique SA (Compagnie Generale DES Etablissements Michelin SCA)
• Inventors: Delfino, Antonio
• Granted Patent: US 9,080,241 B2
• Time in Patent Office: Days
• US Class Current: 429/422
• CPC Class Codes: B60L 50/51 characterised by AC-motors
• CPC Class Codes: B60L 50/72 Constructional details of fuel cells specially adapted for electric vehicles
• CPC Class Codes: B60L 58/30 for monitoring or controlling fuel cells
• CPC Class Codes: C25B 1/04 by electrolysis of water
• CPC Class Codes: C25B 1/14 Alkali metal compounds
• CPC Class Codes: C25B 1/265 Chlorates
• CPC Class Codes: C25B 9/00 Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
• CPC Class Codes: C25B 9/70 Assemblies comprising two or more cells
• CPC Class Codes: H01M 2250/20 Fuel cells in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: H01M 8/04208 Cartridges, cryogenic media or cryogenic reservoirs
• CPC Class Codes: H01M 8/0606 with means for production of gaseous reactants
• CPC Class Codes: H01M 8/065 by dissolution of metals or alloys; by dehydriding metallic substances
• CPC Class Codes: H01M 8/0656 by electrochemical means H01M8/065 takes precedence
• CPC Class Codes: Y02E 60/36 Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
• CPC Class Codes: Y02E 60/50 Fuel cells
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 90/40 Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

A system is provided for producing hydrogen and oxygen based on decomposition of sodium chlorate (NaClO₃). In a service station, NaClO₃ is produced by a sodium chloride (NaCl) electrolyser. The service station is supplied with water (H₂O), NaCl, and energy in order to carry out an electrolysis reaction in the electroyser, to produce NaClO₃ and gaseous hydrogen (H₂). The NaClO₃ and H₂ are supplied to vehicles. Each vehicle includes a reactor for decomposing the NaClO₃ and producing reaction products of NaCl and oxygen, with the oxygen being supplied to a fuel cell.

Claims

1-7. -7. (canceled)

8. A system for producing and supplying hydrogen and oxygen for an electrical vehicle, the system comprising:

a service station for producing a supply of hydrogen and a supply of sodium chlorate (NaClO₃), the service station including at least one sodium chloride (NaCl) electrolyser; and

a vehicle structured to connect to the service station in order to receive the supply of hydrogen and the supply of NaClO₃, the supply of hydrogen being stored in the vehicle in a hydrogen tank, and the supply of NaClO₃ being stored in the vehicle in a sodium chlorate tank,

wherein the vehicle includes a fuel system for transforming hydrogen and NaClO₃ into electrical energy in order to supply at least one electrical device of the vehicle.

9. The system according to claim 8, wherein the at least one electrical device is a motor used to cause displacement of the vehicle.

10. The system according to claim 8, wherein the service station is connected to an electrical supply source that provides energy required to generate an electrolysis reaction in the electrolyser.

11. The system according to claim 8, wherein the service station includes intermediate storage tanks for storing the supply of hydrogen and the supply of NaClO₃ before delivery to the vehicle.

12. The system according to claim 8, wherein the service station includes:

the at least one NaCl electrolyser, which produces the supply of hydrogen and the supply of NaClO₃ in an electrolysis reaction;

a supply of water, for the electrolysis reaction;

a supply of NaCl, for the electrolysis reaction;

a supply of electrical energy, for the electrolysis reaction;

an outlet for the supply of NaClO₃ and an outlet for the supply of H₂, which are produced in the electrolysis reaction, the outlets being structured to provide the vehicle with the supply of NaClO₃ and the supply of H₂.

13. The system according to claim 12, wherein the service station includes intermediate storage tanks for storing the supply of hydrogen and the supply of NaClO₃ before filling the hydrogen tank and the sodium chlorate tank of the vehicle.

14. The system according to claim 12, wherein the service station includes a container for collecting NaCl stored on board the vehicle.

15. The system according to claim 8, wherein the system further comprises at least one other service station same as the service station.

16. The system according to claim 8, wherein the system further comprises at least one other vehicle same as the vehicle.

17. The system according to claim 8, wherein the fuel system includes a fuel cell and a reactor for decomposing NaClO₃.

18. A service station for supplying fuel-production components to an electrical vehicle, the service station comprising:

a sodium chloride (NaCl) electrolyser, which produces hydrogen and sodium chlorate (NaClO₃) in an electrolysis reaction;

a supply of water, for the electrolysis reaction;

a supply of NaCl, for the electrolysis reaction;

a supply of electrical energy, for the electrolysis reaction;

outlets for the NaClO₃ and the H₂ produced in the electrolysis reaction, the outlets being structured to provide the vehicle with the NaClO₃ and the H₂, which are used for fuel production in the vehicle.

19. The service station according to claim 18, further comprising intermediate storage tanks for storing the hydrogen and the NaClO₃ before delivery to the vehicle.

20. The service station according to claim 18, further comprising a container for collecting NaCl stored on board the vehicle.

21. The service station according to claim 18, wherein the service station is part of a plurality of service stations of a system for supplying fuel-production components to electrical vehicles.