BRPI0401474A - Hybrid spray-hot pressing process for making electrode / membrane / pem-type fuel cell electrode assemblies - Google Patents

Hybrid spray-hot pressing process for making electrode / membrane / pem-type fuel cell electrode assemblies

Info

Publication number
BRPI0401474A
BRPI0401474A BR0401474-0A BRPI0401474A BRPI0401474A BR PI0401474 A BRPI0401474 A BR PI0401474A BR PI0401474 A BRPI0401474 A BR PI0401474A BR PI0401474 A BRPI0401474 A BR PI0401474A
Authority
BR
Brazil
Prior art keywords
membrane
electrode
mea
pem
fuel cell
Prior art date
Application number
BR0401474-0A
Other languages
Portuguese (pt)
Inventor
Marcelo Linardi
Willians Roberto Baldo
Adonis Marcelo Saliba Silva
Sergio Akio Ara Bueno
Original Assignee
Comissao Nac Energia Nuclear
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 Comissao Nac Energia Nuclear filed Critical Comissao Nac Energia Nuclear
Priority to BRPI0401474-0A priority Critical patent/BRPI0401474B1/en
Publication of BRPI0401474A publication Critical patent/BRPI0401474A/en
Publication of BRPI0401474B1 publication Critical patent/BRPI0401474B1/en

Links

Classifications

    • 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
    • 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

  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)

Abstract

"PROCESSO HìBRIDO SPRAY-PRENSAGEM A QUENTE PARA A CONFECçãO DE CONJUNTOS ELETRODO/MEMBRANA/ELETRODO DE CéLULAS A COMBUSTìVEL DO TIPO PEM". A presente invenção é caracterizada por um processo de fabricação de conjunto Eletrodo/Membrana/Eletrodo (MEA) para células a membrana polimérica trocadora de prótons, ou seja, a do tipo PEMFC, visando a redução de custos de fabricação, mantendo um bom desempenho. PEM são células eficientes e de baixa (ou zero) emissão e se aplicam a unidades estacionárias e móveis de geração de energia elétrica. O processo caracteriza-se pelo uso conjunto de duas técnicas conhecidas para a fabricação de MEA<39>S: a técnica de Spray para aplicação da camada catalítica sobre a membrana e a técnica de prensagem a quente, para o MEA completo, ou seja, camada catalítica, camada difusora e membrama. A presente invenção caracteriza-se por ser um híbrido destas duas técnicas, associadas a etapas simplificadas e de baixo custo, congregando as vantagens destes dois métodos em um só. São características do processo, produzir MEA<39>s com área de 25 cm¬ 2¬ até 400 cm¬ 2¬; utilizar simplesmente água ultrapura como solvente para a produção da tinta precursora do eletrodo; utilizar uma solução de Nafion dissolvido em água; utilizar uma mesa de vácuo apropriada com aquecimento para produção dos eletrodos; prensar camadas difusoras comerciais; produzir camadas catalíticas extremamente delgadas."HOT SPRAY-PRESS HYBRID PROCESS FOR MAKING ELECTRODE / MEMBRANE / PEM TYPE FUEL CELL SETS". The present invention is characterized by an Electrode / Membrane / Electrode (MEA) assembly manufacturing process for proton exchange polymeric membrane cells, that is, the PEMFC type, aiming at reducing manufacturing costs while maintaining a good performance. PEM are efficient and low (or zero) emission cells and apply to stationary and mobile power generation units. The process is characterized by the use of two known techniques for the manufacture of MEA <39> S: the spray technique for application of the catalytic layer on the membrane and the hot pressing technique for the complete MEA, ie. catalytic layer, diffuser layer and membrane. The present invention is characterized by being a hybrid of these two techniques, combined with simplified and low cost steps, bringing the advantages of these two methods into one. Process characteristics are to produce MEA <39> s with an area of 25 cm¬ 2¬ up to 400 cm¬ 2¬; simply using ultrapure water as a solvent for producing the electrode precursor paint; use a solution of Nafion dissolved in water; use a suitable heated vacuum table to produce the electrodes; press commercial diffuser layers; produce extremely thin catalytic layers.

BRPI0401474-0A 2004-04-22 2004-04-22 Hybrid spray-hot pressing process for making PEM-type fuel cell electrode / membrane / electrode assemblies BRPI0401474B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0401474-0A BRPI0401474B1 (en) 2004-04-22 2004-04-22 Hybrid spray-hot pressing process for making PEM-type fuel cell electrode / membrane / electrode assemblies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0401474-0A BRPI0401474B1 (en) 2004-04-22 2004-04-22 Hybrid spray-hot pressing process for making PEM-type fuel cell electrode / membrane / electrode assemblies

Publications (2)

Publication Number Publication Date
BRPI0401474A true BRPI0401474A (en) 2005-11-29
BRPI0401474B1 BRPI0401474B1 (en) 2014-01-21

Family

ID=35423398

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0401474-0A BRPI0401474B1 (en) 2004-04-22 2004-04-22 Hybrid spray-hot pressing process for making PEM-type fuel cell electrode / membrane / electrode assemblies

Country Status (1)

Country Link
BR (1) BRPI0401474B1 (en)

Also Published As

Publication number Publication date
BRPI0401474B1 (en) 2014-01-21

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B07A Technical examination (opinion): publication of technical examination (opinion)
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/04/2004, OBSERVADAS AS CONDICOES LEGAIS.

B24B Patent annual fee: requirement for complementing annual fee

Free format text: COMPLEMENTAR A RETRIBUICAO DA(S) 3A. 11A. E 12A. ANUIDADE(S), DE ACORDO COM TABELA VIGENTE, REFERENTE A(S) GUIA(S) DE RECOLHIMENTO 22060374968-0, 22140249853-0 E 22150443838-2.

B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H01M 4/88; H01M 8/10

Ipc: H01M 4/88 (2006.01), H01M 8/1018 (2016.01)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B21H Extinguishment of a patent or of a certificate of addition of invention: decision cancelled
B24E Patent annual fee: resolution cancelled
B24B Patent annual fee: requirement for complementing annual fee
B24D Patent annual fee: restoration after fee payment
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE 13A. ANUIDADE.