LU501351B1 - Homogeneous catalyst and catalyst layer for anion exchange membrane fuel cell - Google Patents

Homogeneous catalyst and catalyst layer for anion exchange membrane fuel cell Download PDF

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Publication number
LU501351B1
LU501351B1 LU501351A LU501351A LU501351B1 LU 501351 B1 LU501351 B1 LU 501351B1 LU 501351 A LU501351 A LU 501351A LU 501351 A LU501351 A LU 501351A LU 501351 B1 LU501351 B1 LU 501351B1
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LU
Luxembourg
Prior art keywords
catalyst
side chains
homogeneous
molecular
polymer
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LU501351A
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English (en)
Inventor
Qinggang He
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Univ Zhejiang
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Priority to LU501351A priority Critical patent/LU501351B1/en
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Publication of LU501351B1 publication Critical patent/LU501351B1/en

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    • 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
    • H01M4/9008—Organic or organo-metallic compounds
    • 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
    • H01M4/8803—Supports for the deposition of the catalytic active composition
    • H01M4/8807—Gas diffusion layers
    • 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
    • H01M8/1058—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
    • 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
    • H01M2008/1095—Fuel cells with polymeric 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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

Claims (5)

Ansprüche
1. Ein homogener Katalysator, dadurch gekennzeichnet, dass der eine Art ionisches Seitenkettenpolymer ist, das einen molekularen Katalysator und eine quartäre Ammoniumsalzgruppe enthält, das durch Einführen des molekularen Katalysators der Brennstoffzellenkathode oder -anode in die eine Bromalkylgruppe enthälten Seitenkette und dann durch Quaternisierung der Bromalkylgruppe erhalten wird; wobei der molekulare Katalysator ein Metallkomplexkatalysator ist, der Porphyrin, Phthalocyanin oder Carrol enthält; das Polymer, das Bromalkyl in der Seitenkette enthält, Polybromalkylfluoren ist, und die Struktur wie folgt ist: Br Er LL p Lo) LT 4
FF SE \ ee In wobei n der Aggregationsgrad ist.
2. Homogener Katalysator nach Anspruch 1, dadurch gekennzeichnet, dass der molekulare Katalysator aus folgen ausgewählt ist: Sun =, FE ao Woh med = “TN en pue Ry aan >, of & 8 : = a à 3 $ 7 SR IR BR SB Rest Se gs a. EN $ 5 i # La PE Se RE A i ad ge AE Rd 2 “ ea Le a + + + 1 i LU501351 JE oe it, * et yn 4. 5 "Ly A ; Se pe & wd te Sod ; oder ; wobei M Fe, Co, Cu, Ni oder Pt ist.
3. Homogener Katalysator nach Anspruch 1, dadurch gekennzeichnet, dass das Verfahren zum Einführen des molekularen Katalysators in die Seitenkette des Polymers ist: Unterwerfen des molekularen Katalysators einer Substitutionsreaktion und dann Umsetzen des substituierten molekularen Katalysators mit dem Brom in der Bromalkylseitenkette auf dem Polymer, um eine kovalente Bindung zu bilden, wodurch der molekulare Katalysator an die Seitenketten des Polymers gebunden wird.
4. Homogener Katalysator nach Anspruch 1, dadurch gekennzeichnet, dass das Molverhältnis des molekularen Katalysators zur Bromalkylgruppe am Polymer 1:10—1:2 beträgt.
5. Katalytische Schicht auf der Basis eines homogenen Katalysators für eine Anionenaustauschmembran-Brennstoffzelle, dadurch gekennzeichnet, dass der homogene Katalysator nach einem der Ansprüche 1-4, leitfähiger Ruß und N,N-Dimethylformamid zu einer Katalysatoraufschlämmung formuliert sind, und die Katalysatoraufschlämmung auf das Gasdiffusionsschichtmaterial aufgetragen und getrocknet ist, um eine Katalysatorschicht zu erhalten, und in der katalytischen Schicht der homogene Katalysator aufgrund der hydrophil-hydrophoben Wechselwirkung phasengetrennt ist, und der molekulare Katalysator in dem durch die Seitenkette gebildeten hydrophilen lonenkanal verteilt ist, wodurch Mikroreaktoren ähnlich einem homogenen Lösungssystem gebildet wird, wobei diese Mikroreaktoren durch hydrophilen lonenkanal verbunden sind. 2
LU501351A 2020-10-26 2020-10-26 Homogeneous catalyst and catalyst layer for anion exchange membrane fuel cell LU501351B1 (en)

Priority Applications (1)

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LU501351A LU501351B1 (en) 2020-10-26 2020-10-26 Homogeneous catalyst and catalyst layer for anion exchange membrane fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU501351A LU501351B1 (en) 2020-10-26 2020-10-26 Homogeneous catalyst and catalyst layer for anion exchange membrane fuel cell

Publications (1)

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LU501351B1 true LU501351B1 (en) 2022-05-10

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LU501351A LU501351B1 (en) 2020-10-26 2020-10-26 Homogeneous catalyst and catalyst layer for anion exchange membrane fuel cell

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LU (1) LU501351B1 (de)

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Effective date: 20220510