DE20022262U1 - Elektrodensubstrat für elektrochemische Zellen - Google Patents

Elektrodensubstrat für elektrochemische Zellen

Info

Publication number
DE20022262U1
DE20022262U1 DE20022262U DE20022262U DE20022262U1 DE 20022262 U1 DE20022262 U1 DE 20022262U1 DE 20022262 U DE20022262 U DE 20022262U DE 20022262 U DE20022262 U DE 20022262U DE 20022262 U1 DE20022262 U1 DE 20022262U1
Authority
DE
Germany
Prior art keywords
electrode substrate
substrate according
impregnating agent
conductive particles
chemically inert
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE20022262U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SGL Carbon SE
Original Assignee
SGL Carbon SE
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 SGL Carbon SE filed Critical SGL Carbon SE
Publication of DE20022262U1 publication Critical patent/DE20022262U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/96—Carbon-based electrodes
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/49—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • 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
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • 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
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8817—Treatment of supports before application of the catalytic active composition
    • 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
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
    • H01M4/9083—Catalytic material supported on carriers, e.g. powder carriers on 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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0232—Metals 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
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0234—Carbonaceous material
    • 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
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0239—Organic resins; Organic polymers
    • 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
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0241—Composites
    • H01M8/0243—Composites in the form of mixtures
    • 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
    • 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
    • H01M8/08—Fuel cells with aqueous electrolytes
    • H01M8/086—Phosphoric acid fuel cells [PAFC]
    • 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
    • H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (16)

1. Elektrodensubstrat für eine elektrochemische Zelle, wobei das Substrat eine ebene textile Struktur aus graphitierten Fasern mit einer hohen elektrischen Leitfähigkeit senkrecht zur Ebene von über 1 S/cm umfaßt, wobei die Struktur mit Imprägnierungsmittel und gegebenenfalls wahlweise mit chemisch inerten und leitenden Teilchen bedeckt und gefüllt ist.
2. Elektrodensubstrat nach Anspruch 1, bei dem die Strukturen dadurch gekennzeichnet sind, daß ein Anteil von mindestens 20% der graphitierten Fasern nicht in der ebenen Richtung ausgerichtet sind.
3. Elektrodensubstrat nach Anspruch 1, bei dem das Verhältnis der Leitfähigkeit senkrecht zur Ebene zu der Leitfähigkeit in der Ebene mindestens 0,25 beträgt.
4. Elektrodensubstrat nach Anspruch 1, bei dem die Struktur eine Porosität im Bereich von 80% bis 95% aufweist.
5. Elektrodensubstrat nach Anspruch 1, bei dem die Struktur Porengrößen zwischen 75 µm und 500 µm aufweist.
6. Elektrodensubstrat nach Anspruch 1, bei dem die Struktur ein Gewebe ist.
7. Elektrodensubstrat nach Anspruch 1, bei dem die Struktur ein Nadelfilz ist.
8. Elektrodensubstrat nach Anspruch 1, bei dem die Struktur ein Spunlace-Vlies ist.
9. Elektrodensubstrat nach Anspruch 1, bei dem die Struktur ein Gewirke ist.
10. Elektrodensubstrat nach Anspruch 1, bei dem das Imprägnierungsmittel eine Lösung oder Dispersion eines thermoplastischen Harzes enthält.
11. Elektrodensubstrat nach Anspruch 1, bei dem das Imprägnierungsmittel eine Lösung oder Dispersion eines teilweise fluorierten Harzes enthält.
12. Elektrodensubstrat nach Anspruch 1, bei dem das Imprägnierungsmittel Pech enthält.
13. Elektrodensubstrat nach Anspruch 1, bei dem das Imprägnierungsmittel wärmehärtbare Harze enthält.
14. Elektrodensubstrat nach Anspruch 13, ausgewählt aus der Gruppe bestehend aus Phenolharzen, Furanharzen und Epoxidharzen.
15. Elektrodensubstrat nach Anspruch 1, bei dem die chemisch inerten und leitenden Teilchen graphithaltige Materialien enthalten.
16. Elektrodensubstrat nach Anspruch 1, bei dem die chemisch inerten und leitenden Teilchen Metallkarbidmaterialien enthalten.
DE20022262U 1999-07-07 2000-06-28 Elektrodensubstrat für elektrochemische Zellen Expired - Lifetime DE20022262U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14270299P 1999-07-07 1999-07-07

Publications (1)

Publication Number Publication Date
DE20022262U1 true DE20022262U1 (de) 2001-08-09

Family

ID=22500935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20022262U Expired - Lifetime DE20022262U1 (de) 1999-07-07 2000-06-28 Elektrodensubstrat für elektrochemische Zellen

Country Status (7)

Country Link
US (1) US6511768B1 (de)
EP (1) EP1114479B1 (de)
JP (1) JP2003504822A (de)
CA (1) CA2343246C (de)
DE (1) DE20022262U1 (de)
DK (1) DK1114479T3 (de)
WO (1) WO2001004980A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224185B4 (de) * 2001-05-31 2009-04-23 General Motors Corp., Detroit Verbundseparatorplatte für eine Brennstoffzelle mit gesteuerter Faserorientierung und Herstellverfahren
DE102012203057A1 (de) * 2012-02-28 2013-08-29 Sgl Carbon Se Stromkollektor für eine Alkali-Schwefel-Zelle

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DE10050512A1 (de) * 2000-10-11 2002-05-23 Freudenberg Carl Kg Leitfähiger Vliesstoff
JP5102923B2 (ja) * 2001-02-05 2012-12-19 三菱レイヨン株式会社 樹脂硬化炭素系又は多孔質炭素系のシート状物の巻取り方法
JP2002353075A (ja) * 2001-03-21 2002-12-06 Morinobu Endo 電気二重層コンデンサの電極材料およびこれを用いた電気二重層コンデンサ
DE10222404A1 (de) * 2002-05-21 2003-12-11 Univ Freiburg Mikrostrukturiertes Kohlenfaserpapier
US20030219646A1 (en) * 2002-05-23 2003-11-27 Lecostaouec Jean-Francois Carbon fiber reinforced plastic bipolar plates with continuous electrical pathways
JP2004079406A (ja) * 2002-08-21 2004-03-11 Nisshinbo Ind Inc ガス拡散電極の製造方法及び燃料電池
US7303835B2 (en) 2003-01-15 2007-12-04 General Motors Corporation Diffusion media, fuel cells, and fuel cell powered systems
DE10394032B4 (de) * 2003-01-15 2013-05-23 General Motors Corp. (N.D.Ges.D. Staates Delaware) Poröses Diffusionsmedium, Vorrichtung mit einem porösen Diffusionsmedium und Vorrichtung mit einer Membranelektrodenanordnung
US20060147781A1 (en) * 2003-07-02 2006-07-06 Yuqi Cai Fuel cell collector plates containing grafted polyolefins
US7332240B2 (en) * 2003-07-28 2008-02-19 General Motors Corporation Spatially varying diffusion media and devices incorporating the same
GB0413324D0 (en) * 2004-06-15 2004-07-21 Johnson Matthey Plc Gas diffusion substrate
JP4531768B2 (ja) * 2004-11-04 2010-08-25 株式会社フジコー 電極用導電材の前駆フェルト材および電極用導電材の製造法
DK1760808T3 (da) * 2005-09-06 2008-11-24 Sgl Carbon Ag Elektroder til brændselsceller
US8697313B2 (en) * 2005-09-16 2014-04-15 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Method for making a fuel cell from a solid oxide monolithic framework
US20070087120A1 (en) * 2005-10-18 2007-04-19 Connors Donald F Jr Fluid diffusion layers
WO2007069404A1 (ja) * 2005-12-16 2007-06-21 Kabushiki Kaisha Equos Research 燃料電池用電極、燃料電池のセル及び燃料電池のスタック
JP5004489B2 (ja) * 2006-03-31 2012-08-22 株式会社巴川製紙所 燃料電池用セルおよびその製造方法、固体高分子型燃料電池
KR20100045501A (ko) * 2007-09-19 2010-05-03 유티씨 파워 코포레이션 고 열전도도 전극 기판
JP5308989B2 (ja) * 2009-10-28 2013-10-09 本田技研工業株式会社 燃料電池用ガス拡散層の製造方法
US20110143262A1 (en) * 2009-12-10 2011-06-16 Gm Global Technology Operations, Inc. Gas diffusion media made from electrically conductive coatings on non-conductive fibers
JP6178041B2 (ja) * 2012-01-13 2017-08-09 トヨタ自動車株式会社 燃料電池用拡散層の製造方法
EP2875544B1 (de) * 2012-07-20 2017-11-08 Carl Freudenberg KG Elektrisch leitfähiges flächengebilde
US20140080032A1 (en) * 2012-09-15 2014-03-20 Ford Motor Company Conductive mesh supported electrode for fuel cell
US9837667B2 (en) 2012-12-05 2017-12-05 Toray Industries, Inc. Carbon-fiber nonwoven cloth and gas diffusion electrode for polymer electrolyte fuel cell using same, polymer electrolyte fuel cell, method for manufacturing carbon-fiber nonwoven cloth, and composite sheet
WO2019104365A1 (en) * 2017-11-30 2019-06-06 Nano-Nouvelle Pty Ltd Current collector
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224185B4 (de) * 2001-05-31 2009-04-23 General Motors Corp., Detroit Verbundseparatorplatte für eine Brennstoffzelle mit gesteuerter Faserorientierung und Herstellverfahren
DE102012203057A1 (de) * 2012-02-28 2013-08-29 Sgl Carbon Se Stromkollektor für eine Alkali-Schwefel-Zelle

Also Published As

Publication number Publication date
JP2003504822A (ja) 2003-02-04
WO2001004980A1 (en) 2001-01-18
EP1114479A1 (de) 2001-07-11
CA2343246C (en) 2011-03-15
CA2343246A1 (en) 2001-01-18
US6511768B1 (en) 2003-01-28
EP1114479B1 (de) 2013-03-27
DK1114479T3 (da) 2013-05-06

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