BRPI0518881A2 - mÉtodo para formar camadas porosas coletoras de corrente em camadas de eletrodo de um elemento de separaÇço eletroquimica de ar, e coletor de corrente - Google Patents

mÉtodo para formar camadas porosas coletoras de corrente em camadas de eletrodo de um elemento de separaÇço eletroquimica de ar, e coletor de corrente

Info

Publication number
BRPI0518881A2
BRPI0518881A2 BRPI0518881-4A BRPI0518881A BRPI0518881A2 BR PI0518881 A2 BRPI0518881 A2 BR PI0518881A2 BR PI0518881 A BRPI0518881 A BR PI0518881A BR PI0518881 A2 BRPI0518881 A2 BR PI0518881A2
Authority
BR
Brazil
Prior art keywords
layers
current
separation element
current collector
electrode layers
Prior art date
Application number
BRPI0518881-4A
Other languages
English (en)
Inventor
Jonathan Andrew Lane
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BRPI0518881A2 publication Critical patent/BRPI0518881A2/pt
Publication of BRPI0518881B1 publication Critical patent/BRPI0518881B1/pt

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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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • 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
    • H01M4/8621—Porous electrodes containing only metallic or ceramic material, e.g. made by sintering or sputtering
    • 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
    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882—Heat treatment, e.g. drying, baking
    • H01M4/8885—Sintering or firing
    • H01M4/8889—Cosintering or cofiring of a catalytic active layer with another type of layer
    • 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
    • H01M8/0236—Glass; Ceramics; Cermets
    • 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
    • H01M8/0245—Composites in the form of layered or coated products
    • 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
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M8/1231—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • 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
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M2008/1293—Fuel cells with solid oxide 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inert Electrodes (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

MÉTODO PARA FORMAR CAMADAS POROSAS COLETORAS DE CORRENTE EM CAMADAS DE ELETRODO DE UM ELEMENTO DE SEPARAÇçO ELETROQUÍMICA DE AR, E, COLETOR DE CORRENTE. Uma camada coletora de corrente (14) para um elemento eletroquimico de separação de ar e método de formação. Uma lama contendo partículas eletricamente condutoras (18) que têm depósitos superficiais de um óxido metálico sobre um condutor metálico ou de liga metálica. O depósito superficial de óxido metálico constitui uma porcentagem de peso inferior das partículas eletricamente condutoras que o metal ou liga metálica. A lama é aplicada a camadas de eletrodo (16) por meio de, por exemplo, técnicas de revestimento de mergulho. A forma revestida é então queimada para sinterizar parcialmente as partículas eletricamente condutoras e com isto obter camadas porosas coletoras de corrente fixadas às camadas de eletrodo. O coletor de corrente (14) da presente invenção tem entre cerca de 5 mícrons e cerca de 100 mica de espessura e preferivelmente tem uma porosidade entre cerca de 10% e cerca de 70% com poros (12) que têm uma dimensão de poro entre cerca de 0,1 mícrons e cerca de 20 mícrons.
BRPI0518881-4A 2004-12-09 2005-12-08 Método para formar camadas porosas coletoras de corrente em camadas de eletrodo de um elemento de separação eletroquímica de ar, e, coletor de corrente BRPI0518881B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/007,220 2004-12-09
US11/007,220 US7449262B2 (en) 2004-12-09 2004-12-09 Current collector to conduct an electrical current to or from an electrode layer
PCT/US2005/044478 WO2006063163A2 (en) 2004-12-09 2005-12-08 Manufacturing method and current collector

Publications (2)

Publication Number Publication Date
BRPI0518881A2 true BRPI0518881A2 (pt) 2008-12-16
BRPI0518881B1 BRPI0518881B1 (pt) 2018-01-30

Family

ID=36578586

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0518881-4A BRPI0518881B1 (pt) 2004-12-09 2005-12-08 Método para formar camadas porosas coletoras de corrente em camadas de eletrodo de um elemento de separação eletroquímica de ar, e, coletor de corrente

Country Status (11)

Country Link
US (2) US7449262B2 (pt)
EP (1) EP1839351B1 (pt)
JP (1) JP5058818B2 (pt)
KR (1) KR101183774B1 (pt)
CN (1) CN100521295C (pt)
AU (1) AU2005313984B2 (pt)
BR (1) BRPI0518881B1 (pt)
CA (1) CA2593503C (pt)
ES (1) ES2439699T3 (pt)
MX (1) MX2007006850A (pt)
WO (1) WO2006063163A2 (pt)

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KR20050040714A (ko) * 2003-10-28 2005-05-03 티디케이가부시기가이샤 다공질 기능성막, 센서, 다공질 기능성막의 제조방법,다공질 금속막의 제조방법 및 센서의 제조방법

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US20060127749A1 (en) 2006-06-15
KR20070085914A (ko) 2007-08-27
CA2593503C (en) 2010-10-05
ES2439699T3 (es) 2014-01-24
WO2006063163A3 (en) 2006-10-05
MX2007006850A (es) 2007-08-08
JP5058818B2 (ja) 2012-10-24
BRPI0518881B1 (pt) 2018-01-30
WO2006063163A2 (en) 2006-06-15
JP2008523249A (ja) 2008-07-03
KR101183774B1 (ko) 2012-09-17
AU2005313984A1 (en) 2006-06-15
CA2593503A1 (en) 2006-06-15
EP1839351A2 (en) 2007-10-03
AU2005313984B2 (en) 2010-06-17
CN100521295C (zh) 2009-07-29
US20090029040A1 (en) 2009-01-29
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EP1839351B1 (en) 2013-11-20
CN101076905A (zh) 2007-11-21

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