KR980006588A - 넓게 분포된 접촉면을 가진 다공의 편편한 금속전류도체와 접촉하에 가스확산 전극을 구비한 멤브레인 전기화학전지 - Google Patents

넓게 분포된 접촉면을 가진 다공의 편편한 금속전류도체와 접촉하에 가스확산 전극을 구비한 멤브레인 전기화학전지 Download PDF

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KR980006588A
KR980006588A KR1019970027740A KR19970027740A KR980006588A KR 980006588 A KR980006588 A KR 980006588A KR 1019970027740 A KR1019970027740 A KR 1019970027740A KR 19970027740 A KR19970027740 A KR 19970027740A KR 980006588 A KR980006588 A KR 980006588A
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electrochemical cell
metal
cell according
gas diffusion
mesh
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KR1019970027740A
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KR100463277B1 (ko
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라무니 엔리코
프레바 기암피에로
브람빌라 마시모
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니콜로 데 노라
데 노라 에스.피.에이.
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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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0223—Composites
    • H01M8/0228—Composites in the form of layered or coated products
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • C25B9/77—Assemblies comprising two or more cells of the filter-press type having diaphragms
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • 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
    • H01M8/0241—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
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • 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

Abstract

2개의 단부판(7), 금속 또는 금속합금으로 된 2극판(1), 가스투과성금속분배기(2), 금속 전류 집전기(3) 가스상반응물을 공급하고 과인반응물 및 농축물을 배출하는 채널을 구비한 가스킷프레인(4), 한쌍의 비금속 가스확산전극(5) 및 이온교환멤브레인(6)으로 구성된 전기화학전지를 기술하였다. 거리에서, 상기 전류도체는, 널리 분포되고 분할된 접촉영역을 분리된 피크없이 전극영역에 제공하며 또 거치름없이 매우 평탄한 표면을 구비하며, 그리고 동시에 가스흐름을 통기성과 투과성을 제공한다.

Description

넓게 분포된 접촉면을 가진 다공의 편편한 금속전류전도체와 접촉하에 가스확산 전극을 구비한 멤브레인 전기화학전지
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 전기화학전지의 스케치.

Claims (15)

  1. 2개의 단부판(7), 금속 또는 금속합금으로 된 2극관(1), 가스흐름에 투과성 금속분배개(2), 금속전류집전기(3), 가스상 반응물을 공급하고 과잉반응물 및 농축물을 배출하는 채널을 구비한 가스킷(4), 한쌍의 가스확산전극(5) 및 이온교환 멤브레인(6)으로 구성된 전기화학전지에 있어서, 상기 집전기(3)는 피크 및 돌출부가 없으며, 가스흐름에 통기성 및 투과성이고 널리 분포되고 분할된 접촉영역을 구비한 것을 특징으로 하는 전기화학전지.
  2. 제1항에 있어서, 상기 전지는 에노드 컴파트먼트(-극)에 수소를 포함하고 있는 반응물 및 캐소드 컴파트먼트(+극)에 공기를 포함하고 있는 산화제가 공급된 연료전지인 것을 특징으로 하는 전기화학전지.
  3. 제1항에 있어서, 적어도 상기 집전기(3)중의 1개는 금속섬유의 직경이 0.1-1㎜ 간에서 구성되고 적어도 50%의 다공성을 가진 그물형의 3차원 재료되 제조된고, 그의 전지는 제품이 잔여변형성을 안갖게 하기 위하여 2편면판간에 압력을 가한후 완전히 붕괴되는 것을 특징으로 하는 전기화학전지.
  4. 제1항에 있어서, 적어도 상기 집전기(3)중의 1개는 0.1-0.5㎜간에서 구성된 최종 두께를 구비한 것을 특징으로 하는 전지화학전지.
  5. 제1항에 있어서, 적어도 상기 집전기(3)중의 1개는 스테인레스강, 고합금강, 니켈, 니켈-크로뮴, 전도성 산화물로 도장된 티탄늄, 금으로 구성된 한군에서 선정된 전기적 전도성이고 항부식성 재로 구성된 것을 특징으로 하는 전기화학전지.
  6. 제1항에 있어서, 적어도 상기 집전기(3)중의 1개는 금속가는그물로 제조된 것을 특징으로 하는 전기화학전지.
  7. 제6항에 있어서, 상기 가는 금속그물은 본질적으로 편편하며, 0.1-0.3㎜간에서 구성된 두께를 가지며 50%이상의 공급율을 구비한 것을 특징으로 하는 전기화학전지.
  8. 제1항에 있어서, 적어도 상기 금속분배기(2)중의 1개는 0.1-1㎜간에 구성된 금속섬유의 직경과 적어도 50%의 공극율 및 전지의 크램프에 의한 압축후 잔여변형성과 탄성을 가진 그물형 3차원 재로 구성되며, 상기 분배기는 제한된 영역을 가진 복수의 접촉점을 구비한 표면을 가진 것을 특징으로 하는 전기화학전지.
  9. 제1항에 있어서, 상기 분배기(2)는 스페인레스강, 고합금강, 니켈과 그의 합금, 동과 그의 합금으로 구성된 군에서 선정된 전기적 도전성 및 항부식성 재로 제조된 것을 특징으로 하는 전지화학전지.
  10. 제1항에 있어서, 적어도 상기 분배기(2)중의 1개는 메시 또는 1-10㎜간의 경사재와 1-5㎜의 두께를 가진 구멍있는 불평평한 팽창된 시트로 구성된 것을 특징으로 하는 전기화학전지.
  11. 제1항에 있어서, 이온교환 멤브레인(6) 은 0.1㎜ 이하의 두께를 가진 것을 특징으로 하는 전기화학전지.
  12. 제1항에 있어서, 가스확산전극(5)은 0.03㎜ 이하의 두께를 가진 것을 특징으로 하는 전기화학전지.
  13. 제3항에 있어서, 가스확산전극(5)은 상기 집전기(3)상에 직접 처리된 촉매코팅으로 제조된 것을 특징으로 하는 전기화학전지.
  14. 전기적으로 직렬로 접속된 전기화학전지의 스택(stack)에 있어서, 적어도 전지중의 1개는 제1항의 전지인 것을 특징으로 하는 전지화학전지의 스택.
  15. 2개의 완전한 평면판간에 3차원 그물형재의 위치설정 및 3차원의 그물형재를 완전히 붕괴하여 어떠한 잔여변형성을 제거될때까지 상기 양평면판에 직교의 압력을 인가하는 특징을 하는 제3항의 전류집전기를 제조하는 방법.
KR1019970027740A 1996-06-26 1997-06-26 고도로분배된접촉면을갖는다공질의평탄한금속전류도체와접촉하는가스확산전극을구비한막전기화학셀 KR100463277B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPMI96A00129 1996-06-26
IT96MI001293A IT1284072B1 (it) 1996-06-26 1996-06-26 Cella elettrochimica a membrana provvista di elettrodi a diffusione gassosa contattati da portacorrente metallici lisci e porosi a
ITMI96A001293 1996-06-26

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KR980006588A true KR980006588A (ko) 1998-03-30
KR100463277B1 KR100463277B1 (ko) 2005-06-17

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US (1) US6022634A (ko)
EP (1) EP0817297B1 (ko)
JP (1) JP4550948B2 (ko)
KR (1) KR100463277B1 (ko)
AR (1) AR007620A1 (ko)
AU (1) AU725060B2 (ko)
BR (1) BR9703725A (ko)
CA (1) CA2207425A1 (ko)
CZ (1) CZ199897A3 (ko)
DE (1) DE69716351T2 (ko)
DK (1) DK0817297T3 (ko)
ES (1) ES2184928T3 (ko)
ID (1) ID17514A (ko)
IN (1) IN192435B (ko)
IT (1) IT1284072B1 (ko)
MX (1) MX9704782A (ko)
NO (1) NO972774L (ko)
RU (1) RU97111178A (ko)
SG (1) SG63718A1 (ko)
SK (1) SK87097A3 (ko)
TR (1) TR199700540A2 (ko)

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