JP5150144B2 - イオン伝導性電解質膜の検査方法 - Google Patents
イオン伝導性電解質膜の検査方法 Download PDFInfo
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- JP5150144B2 JP5150144B2 JP2007157515A JP2007157515A JP5150144B2 JP 5150144 B2 JP5150144 B2 JP 5150144B2 JP 2007157515 A JP2007157515 A JP 2007157515A JP 2007157515 A JP2007157515 A JP 2007157515A JP 5150144 B2 JP5150144 B2 JP 5150144B2
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- 239000012528 membrane Substances 0.000 title claims description 88
- 239000003792 electrolyte Substances 0.000 title claims description 84
- 238000000034 method Methods 0.000 title claims description 14
- 238000007689 inspection Methods 0.000 title claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 54
- 239000010409 thin film Substances 0.000 claims description 39
- 239000010408 film Substances 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 15
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 14
- 230000007547 defect Effects 0.000 claims description 14
- 239000011777 magnesium Substances 0.000 claims description 14
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001257 Nb alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 229910000756 V alloy Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- 238000005984 hydrogenation reaction Methods 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 description 24
- 229910052739 hydrogen Inorganic materials 0.000 description 24
- 230000002950 deficient Effects 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 9
- 239000000446 fuel Substances 0.000 description 6
- -1 hydrogen ions Chemical class 0.000 description 5
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 4
- 239000005518 polymer electrolyte Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920005597 polymer membrane Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical group OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8803—Visual inspection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
- B01D65/102—Detection of leaks in membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/894—Pinholes
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04664—Failure or abnormal function
-
- 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
-
- 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
-
- 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
- H01M8/0289—Means for holding the electrolyte
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04664—Failure or abnormal function
- H01M8/04671—Failure or abnormal function of the individual fuel cell
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Fuel Cell (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
図1及び図2に示すように、電解質膜10と同一平面状形を有する調光薄膜11は、触媒膜12と反応膜13を有し、触媒膜12で電解質膜10の一方の面10aに接している。なお図1(a)中の10bは、電解質膜10の他方の面である。電解質膜10には、例えば固体高分子膜であるパーフルオロスルホン酸基ポリマー膜、あるいはナフィオン膜等を使用することができる。調光薄膜11が有する反応膜13は、例えばMgNix(0≦x<0.6)の薄膜であり、またマグネシウム・チタン合金、マグネシウム・ニオブ合金、マグネシウム・バナジウム合金もしくはマグネシウムで形成することもできる。触媒膜12は、例えばパラジウムもしくは白金からなり、反応膜13の表面にコーティングなどによって形成することができ、厚さは1nmないし100nmである。かかる調光薄膜11が、水素濃度が100ppmないし1%程度以上の雰囲気に触れると、例えば数秒ないし10秒程度で、反応膜13が迅速かつ可逆的に水素化して光学的反射率(以下、単に「反射率」と表示することがある)に目視可能な変化が生じる(反応膜13は、水素化していないときには反射率が高く、水素化すると反射率が低下する)。なおポリエチレンシート上に反応膜13を形成し、さらに触媒膜12を形成した調光薄膜11では(図1における調光薄膜11の上面にポリエチレンシートが位置することになる)、その取り扱いが容易になる。
図3に示すように、調光薄膜11を接合した電解質膜10を容器20に収容したのち、電解質膜10の他方の面10b側の水素ガス供給空間21に、容器20の水素ガス供給口21aから水素ガスH2を供給する(たとえばポンプ26で供給する)。調光薄膜11の側の空気供給空間22には、水素ガスH2を殆ど含まないガス(例えば空気)が容器20の空気供給口22aから供給される(図示しないポンプで供給される)。水素ガス供給空間21と空気供給空間22とは、電解質膜10で遮られている。空気供給空間22の周壁23には、調光薄膜11を目視するための窓24が設けられている(ガラス25が窓24に取り付けられて容器20の内部と外部を遮蔽している)。なお調光薄膜11を接合した電解質膜10は、その周辺部を枠(図示せず)で挟持されるなどして容器20の内部に取り付けられる。
電解質膜10にピンホール等の欠陥部が全くないときには、水素ガス供給空間21に供給された水素ガスH2は、電解質膜10に阻まれて調光薄膜11に触れることができない。したがって、調光薄膜11は水素化されず、調光薄膜11の反射率は変化しない(調光薄膜11の表面11aを目視したとき、調光薄膜11は、均一な高い反射率を有して鏡面のように見える)。電解質膜10にクラック10c(欠陥部)があるときには、図1(b)および図3に示すように、水素ガスH2が電解質膜10の他方の面10bからクラック10cを経て電解質膜10の一方の面10aへと漏洩する。するとクラック10cに接する調光薄膜11の部分11cは、漏洩した水素ガスH2の多寡に応じて反射率が迅速に変化する(反射率が低下して、調光薄膜11の斑として目視できる)。
電解質膜は、実施例の平板形状に限定されず他の平面的な形状であってもよい。また円柱状の電解質膜であっても、円柱の外周面に調光薄膜を接合し、円柱の内周面側の空間に水素ガスを供給するなどしてもよい。なお本発明は、固体高分子型燃料電池の膜電極接合体に用いられるイオン伝導性電解質膜の検査に限定されるもではなく、上述した実施例に限定されるものでもなく、その趣旨を逸脱しない範囲において、適宜変形して実施できる。
10a 電解質膜の一方の面
10b 電解質膜の他方の面
10c クラック(欠陥部)
11 調光薄膜
11c 電解質膜の欠陥部に接する調光薄膜の部分
12 触媒膜
13 反応膜
21 水素ガス供給空間(電解質膜の他方の面側の空間)
26 ポンプ
H2 水素ガス
Claims (4)
- イオン伝導性電解質膜の検査方法であって、
前記電解質膜の一方の面に調光薄膜を接合し、
水素ガスを前記電解質膜の他方の面側の空間に供給して、
前記電解質膜にガスの漏洩を生じさせる欠陥部があるときには、前記欠陥部を通じて前記水素ガスを前記電解質膜の他方の面から前記電解質膜の一方の面へと漏洩させて、
漏洩した前記水素ガスで前記調光薄膜を水素化して、
前記水素化で生じる前記調光薄膜の光学的反射率の変化によって、前記電解質膜の前記欠陥部の有無を検査することを特徴とするイオン伝導性電解質膜の検査方法。 - 前記電解質膜の他方の面側の空間における気圧が、前記電解質膜の一方の面側の空間における気圧よりも高いことを特徴とする請求項1に記載のイオン伝導性電解質膜の検査方法。
- 前記調光薄膜は触媒膜と反応膜を有し、
前記電解質膜と接する前記触媒膜が、前記電解質膜を透過した水素ガスで前記反応膜を水素化することを特徴とする請求項1または2に記載のイオン伝導性電解質膜の検査方法。 - 前記反応膜はマグネシウム・ニッケル合金、マグネシウム・チタン合金、マグネシウム・ニオブ合金、マグネシウム・バナジウム合金もしくはマグネシウムで形成された反応膜であり、前記触媒膜はパラジウムもしくは白金で形成された触媒膜であることを特徴とする請求項3に記載のイオン伝導性電解質膜の検査方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007157515A JP5150144B2 (ja) | 2007-06-14 | 2007-06-14 | イオン伝導性電解質膜の検査方法 |
CA2690872A CA2690872C (en) | 2007-06-14 | 2008-06-02 | Method for examining ion-conductive electrolyte membrane |
PCT/JP2008/060163 WO2008152936A1 (ja) | 2007-06-14 | 2008-06-02 | イオン伝導性電解質膜の検査方法 |
KR1020097025219A KR20100017589A (ko) | 2007-06-14 | 2008-06-02 | 이온 전도성 전해질막의 검사방법 |
US12/664,546 US20100221837A1 (en) | 2007-06-14 | 2008-06-02 | Method for examining ion-conductive electrolyte membrane |
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JP2007157515A JP5150144B2 (ja) | 2007-06-14 | 2007-06-14 | イオン伝導性電解質膜の検査方法 |
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JP2008311060A JP2008311060A (ja) | 2008-12-25 |
JP5150144B2 true JP5150144B2 (ja) | 2013-02-20 |
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JP2007157515A Active JP5150144B2 (ja) | 2007-06-14 | 2007-06-14 | イオン伝導性電解質膜の検査方法 |
Country Status (5)
Country | Link |
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US (1) | US20100221837A1 (ja) |
JP (1) | JP5150144B2 (ja) |
KR (1) | KR20100017589A (ja) |
CA (1) | CA2690872C (ja) |
WO (1) | WO2008152936A1 (ja) |
Families Citing this family (6)
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KR101926867B1 (ko) * | 2012-07-30 | 2018-12-07 | 현대자동차주식회사 | 연료전지용 막전극접합체의 핀홀 검사 장치 |
US9618458B2 (en) * | 2013-01-08 | 2017-04-11 | Bloom Energy Corporation | Optical measurement method and apparatus for fuel cell components |
KR101673346B1 (ko) | 2015-03-18 | 2016-11-07 | 현대자동차 주식회사 | 전해질 막 검사 장치 |
JP6868962B2 (ja) * | 2016-03-11 | 2021-05-12 | 株式会社Screenホールディングス | 膜・電極層接合体の製造装置および製造方法 |
EP3482818B1 (de) * | 2017-11-10 | 2019-11-06 | MS2 Engineering und Anlagenbau GmbH | Vorrichtung zum prüfen von membranen |
FR3140867A1 (fr) * | 2022-10-18 | 2024-04-19 | Airbus | Installation comprenant un dispositif de regulation d’une concentration en dihydrogene |
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US3567383A (en) * | 1968-10-01 | 1971-03-02 | Engelhard Min & Chem | Hydrogen detectors |
JPH09257687A (ja) * | 1996-01-16 | 1997-10-03 | Matsushita Electric Ind Co Ltd | 固体高分子型燃料電池の貴金属触媒の反応比表面積と利用率測定法および固体高分子型燃料電池用電極の触媒層 |
US5763765A (en) * | 1996-09-25 | 1998-06-09 | Ballard Power Systems Inc. | Method and apparatus for detecting and locating perforations in membranes employed in electrochemical cells |
WO2001086266A2 (en) * | 2000-05-05 | 2001-11-15 | Midwest Research Institute | Pd/v2 05 device for colorimetric h2 detection |
DE10060626A1 (de) * | 2000-12-06 | 2002-06-20 | Siemens Ag | Verfahren zm Erkennen einer Undichtigkeit in einer Brennstoffzelle |
JP3769614B2 (ja) * | 2002-07-24 | 2006-04-26 | 独立行政法人産業技術総合研究所 | マグネシウム・ニッケル合金薄膜を用いた水素センサ及び水素濃度測定方法 |
US7179553B2 (en) * | 2002-09-06 | 2007-02-20 | General Motors Corporation | Method for detecting electrical defects in membrane electrode assemblies |
CA2455063A1 (en) * | 2003-01-09 | 2004-07-09 | Ballard Power Systems Inc. | Method and apparatus for locating internal transfer leaks within fuel cell stacks |
JP4583722B2 (ja) * | 2003-04-25 | 2010-11-17 | パナソニック株式会社 | ピンホール検出方法及びメンブレインエレクトロードアッセンブリの生産方法 |
US7521252B2 (en) * | 2004-02-04 | 2009-04-21 | The Research Foundation Of State University Of New York | Methods for forming palladium alloy thin films and optical hydrogen sensors employing palladium alloy thin films |
JP2005265590A (ja) * | 2004-03-18 | 2005-09-29 | Fujikura Ltd | 水素センサ及びその利用 |
JP2005292050A (ja) * | 2004-04-02 | 2005-10-20 | Toyota Motor Corp | 穴状欠陥の検出方法 |
JP4158862B2 (ja) * | 2005-10-17 | 2008-10-01 | 株式会社アツミテック | 水素ガス可視化装置 |
JP2007134214A (ja) * | 2005-11-11 | 2007-05-31 | Toyota Motor Corp | 燃料電池用電解質膜の検査方法と該電解質膜の製造方法及びその製造装置 |
US7497110B2 (en) * | 2007-02-28 | 2009-03-03 | Varian, Inc. | Methods and apparatus for test gas leak detection |
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2007
- 2007-06-14 JP JP2007157515A patent/JP5150144B2/ja active Active
-
2008
- 2008-06-02 US US12/664,546 patent/US20100221837A1/en not_active Abandoned
- 2008-06-02 WO PCT/JP2008/060163 patent/WO2008152936A1/ja active Application Filing
- 2008-06-02 KR KR1020097025219A patent/KR20100017589A/ko not_active Application Discontinuation
- 2008-06-02 CA CA2690872A patent/CA2690872C/en active Active
Also Published As
Publication number | Publication date |
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US20100221837A1 (en) | 2010-09-02 |
KR20100017589A (ko) | 2010-02-16 |
JP2008311060A (ja) | 2008-12-25 |
CA2690872C (en) | 2014-10-14 |
CA2690872A1 (en) | 2008-12-18 |
WO2008152936A1 (ja) | 2008-12-18 |
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