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BR9910535A - Membrane electrode unit for a fuel cell - Google Patents

Membrane electrode unit for a fuel cell

Info

Publication number
BR9910535A
BR9910535A BR9910535-7A BR9910535A BR9910535A BR 9910535 A BR9910535 A BR 9910535A BR 9910535 A BR9910535 A BR 9910535A BR 9910535 A BR9910535 A BR 9910535A
Authority
BR
Brazil
Prior art keywords
fuel cell
membrane electrode
electrode unit
woven material
electrolyte
Prior art date
Application number
BR9910535-7A
Other languages
Portuguese (pt)
Inventor
Ulrich Stimming
Original Assignee
Freudenberg Carl
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 Freudenberg Carl filed Critical Freudenberg Carl
Publication of BR9910535A publication Critical patent/BR9910535A/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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1067—Polymeric electrolyte materials characterised by their physical properties, e.g. porosity, ionic conductivity or thickness
    • 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
    • H01M8/02—Details
    • H01M8/0289—Means for holding the electrolyte
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
    • H01M8/1023—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1041—Polymer electrolyte composites, mixtures or blends
    • H01M8/1046—Mixtures of at least one polymer and at least one additive
    • H01M8/1048—Ion-conducting additives, e.g. ion-conducting particles, heteropolyacids, metal phosphate or polybenzimidazole with phosphoric acid
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1058—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
    • H01M8/106—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1058—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
    • H01M8/1062—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the physical properties of the porous support, e.g. its porosity or thickness
    • 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
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Composite Materials (AREA)
  • Fuel Cell (AREA)
  • Inert Electrodes (AREA)

Abstract

Patente de Invenção: <B>"UNIDADE DE ELETRODO DE MEMBRANA PARA UMA CéLULA DE COMBUSTìVEL"<D>. Unidade de eletrodo de membrana para uma célula de combustível, que compreende um anodo, eventualmente revestido com um catalisador, um catodo, eventualmente revestido com um catalisador, um condutor de prótons, que se encontra entre o anodo e o catodo. O condutor de prótons está formado por um material não-tecido de microfibra, que está impregnado até a saturação com um eletrólito; sendo que o material não-tecido é quimicamente inerte em relação ao eletrólito a temperaturas de até +200°C, bem como sob conduções oxidantes e redutoras, sendo que o peso do material não-tecido importa em 20 a 200 g/m^ 2^; sendo que a espessura do material não-tecido é menor do que 1 mm e sendo que o volume de poros importa em 65 a 92%.Invention Patent: <B> "MEMBRANE ELECTRODE UNIT FOR A FUEL CELL" <D>. Membrane electrode unit for a fuel cell, comprising an anode, eventually coated with a catalyst, a cathode, eventually coated with a catalyst, a proton conductor, which is between the anode and the cathode. The proton conductor is formed by a non-woven microfiber material, which is impregnated to saturation with an electrolyte; being that the non-woven material is chemically inert in relation to the electrolyte at temperatures up to + 200 ° C, as well as under oxidizing and reducing conductions, being that the weight of the non-woven material matters in 20 to 200 g / m ^ 2 ^; the thickness of the non-woven material is less than 1 mm and the volume of pores is 65 to 92%.

BR9910535-7A 1998-05-18 1999-04-01 Membrane electrode unit for a fuel cell BR9910535A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19821978A DE19821978C2 (en) 1998-05-18 1998-05-18 Membrane electrode unit for a fuel cell
PCT/EP1999/002233 WO1999060650A1 (en) 1998-05-18 1999-04-01 Membrane-electrode unit for a fuel cell

Publications (1)

Publication Number Publication Date
BR9910535A true BR9910535A (en) 2001-01-16

Family

ID=7867976

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9910535-7A BR9910535A (en) 1998-05-18 1999-04-01 Membrane electrode unit for a fuel cell

Country Status (10)

Country Link
EP (1) EP1088361A1 (en)
JP (1) JP2002516472A (en)
KR (1) KR100392921B1 (en)
CN (1) CN1294762A (en)
AU (1) AU738679B2 (en)
BR (1) BR9910535A (en)
CA (1) CA2327520A1 (en)
DE (1) DE19821978C2 (en)
WO (1) WO1999060650A1 (en)
ZA (1) ZA200001232B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101315A1 (en) * 2001-01-12 2002-07-25 Ulrich Stimming Fuel cell with proton-conducting solid electrolyte for operation in the temperature range 200-600 ° C
DE10208275A1 (en) * 2002-02-26 2003-09-04 Creavis Tech & Innovation Gmbh Flexible electrolyte membrane based on a carrier comprising polymer fibers, process for their production and the use thereof
EP1541619A4 (en) * 2002-07-26 2007-10-31 Asahi Glass Co Ltd POLYMER FILM, PROCESS FOR PRODUCING THE SAME, AND UNI ELECTRODE AND MEMBRANE ASSEMBLY FOR SOLID POLYMER TYPE FUEL CELL
JP4815759B2 (en) * 2003-06-30 2011-11-16 住友化学株式会社 Polymer electrolyte composite membrane, production method thereof and use thereof
CN100454623C (en) * 2004-04-28 2009-01-21 日产自动车株式会社 Membrane-electrode assembly for fuel cell and fuel cell using same
US9640805B2 (en) * 2005-10-17 2017-05-02 GM Global Technology Operations LLC Coating process for fuel cell components
DE102006036019A1 (en) * 2006-08-02 2008-02-07 Pemeas Gmbh Membrane electrode assembly and fuel cells with increased performance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1002588A (en) * 1973-04-04 1976-12-28 Alfred D. Nelson Membrane of micro-fibers for fuel cells
DE2620399C3 (en) * 1976-05-08 1980-11-13 Fa. Carl Freudenberg, 6940 Weinheim Device for electrostatic spraying
JPS6337134A (en) * 1986-08-01 1988-02-17 Tokuyama Soda Co Ltd Fluorine-containing ion exchange membrane
CA2227835C (en) * 1995-07-27 2008-07-15 Hoechst Research & Technology Deutschland Gmbh & Co. Kg Polymeric electrolytes and process for their preparation
US5672438A (en) * 1995-10-10 1997-09-30 E. I. Du Pont De Nemours And Company Membrane and electrode assembly employing exclusion membrane for direct methanol fuel cell

Also Published As

Publication number Publication date
CA2327520A1 (en) 1999-11-25
AU738679B2 (en) 2001-09-27
DE19821978A1 (en) 1999-11-25
JP2002516472A (en) 2002-06-04
EP1088361A1 (en) 2001-04-04
ZA200001232B (en) 2002-05-13
KR100392921B1 (en) 2003-07-28
WO1999060650A1 (en) 1999-11-25
DE19821978C2 (en) 2002-06-06
CN1294762A (en) 2001-05-09
KR20010071286A (en) 2001-07-28
AU3704099A (en) 1999-12-06

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A, 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1911 DE 21/08/2007.