WO2008054807A3 - Sulfur fueled electrochemical cell - Google Patents

Sulfur fueled electrochemical cell Download PDF

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Publication number
WO2008054807A3
WO2008054807A3 PCT/US2007/023085 US2007023085W WO2008054807A3 WO 2008054807 A3 WO2008054807 A3 WO 2008054807A3 US 2007023085 W US2007023085 W US 2007023085W WO 2008054807 A3 WO2008054807 A3 WO 2008054807A3
Authority
WO
WIPO (PCT)
Prior art keywords
sulfur
electrochemical cell
fueled
fueled electrochemical
byproducts
Prior art date
Application number
PCT/US2007/023085
Other languages
French (fr)
Other versions
WO2008054807A2 (en
WO2008054807A9 (en
Inventor
Wesley Martin Lang
Original Assignee
Wesley Martin Lang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wesley Martin Lang filed Critical Wesley Martin Lang
Priority to EP07853061A priority Critical patent/EP2095452A4/en
Publication of WO2008054807A2 publication Critical patent/WO2008054807A2/en
Publication of WO2008054807A3 publication Critical patent/WO2008054807A3/en
Publication of WO2008054807A9 publication Critical patent/WO2008054807A9/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/22—Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0014—Alkaline electrolytes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

A method and apparatus is disclosed for utilizing sulfur as a consumable fuel in an electrochemical cell. The principal of the above described invention is that sulfur is oxidized or acts as an oxidizing agent to produce energy while avoiding the production of harmful gases and other byproducts, traditionally associated with the burning of sulfur.
PCT/US2007/023085 2006-10-31 2007-10-31 Sulfur fueled electrochemical cell WO2008054807A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07853061A EP2095452A4 (en) 2006-10-31 2007-10-31 Sulfur fueled electrochemical cell

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US85564206P 2006-10-31 2006-10-31
US60/855,642 2006-10-31
US89927007P 2007-02-01 2007-02-01
US60/899,270 2007-02-01

Publications (3)

Publication Number Publication Date
WO2008054807A2 WO2008054807A2 (en) 2008-05-08
WO2008054807A3 true WO2008054807A3 (en) 2008-07-24
WO2008054807A9 WO2008054807A9 (en) 2008-09-25

Family

ID=39344916

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/023085 WO2008054807A2 (en) 2006-10-31 2007-10-31 Sulfur fueled electrochemical cell

Country Status (2)

Country Link
EP (1) EP2095452A4 (en)
WO (1) WO2008054807A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040038808A1 (en) * 1998-08-27 2004-02-26 Hampden-Smith Mark J. Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
US20050175895A1 (en) * 1997-12-19 2005-08-11 Alexander Gorkovenko Cathodes comprising electroactive sulfur materials and secondary batteries using same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19600756A1 (en) * 1996-01-11 1997-07-17 Rainer Kordelle Fuel-cell with solid electrolyte e.g. for motor vehicle
US5919587A (en) * 1996-05-22 1999-07-06 Moltech Corporation Composite cathodes, electrochemical cells comprising novel composite cathodes, and processes for fabricating same
US6194099B1 (en) * 1997-12-19 2001-02-27 Moltech Corporation Electrochemical cells with carbon nanofibers and electroactive sulfur compounds
US6566006B1 (en) * 2000-09-20 2003-05-20 Moltech Corporation Sulfur-containing cathode
CN100433430C (en) * 2005-12-27 2008-11-12 安徽工业大学 Sulfur-air fuel cell and its application in sulfuric acid production

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050175895A1 (en) * 1997-12-19 2005-08-11 Alexander Gorkovenko Cathodes comprising electroactive sulfur materials and secondary batteries using same
US20040038808A1 (en) * 1998-08-27 2004-02-26 Hampden-Smith Mark J. Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2095452A4 *

Also Published As

Publication number Publication date
EP2095452A2 (en) 2009-09-02
WO2008054807A2 (en) 2008-05-08
EP2095452A4 (en) 2010-09-22
WO2008054807A9 (en) 2008-09-25

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