KR20020042702A - 고분자 전해질형 연료전지 및 그 제조방법 - Google Patents
고분자 전해질형 연료전지 및 그 제조방법 Download PDFInfo
- Publication number
- KR20020042702A KR20020042702A KR1020027004313A KR20027004313A KR20020042702A KR 20020042702 A KR20020042702 A KR 20020042702A KR 1020027004313 A KR1020027004313 A KR 1020027004313A KR 20027004313 A KR20027004313 A KR 20027004313A KR 20020042702 A KR20020042702 A KR 20020042702A
- Authority
- KR
- South Korea
- Prior art keywords
- polymer electrolyte
- catalyst layer
- carbon particles
- catalyst
- fuel cell
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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- 239000002245 particle Substances 0.000 claims abstract description 199
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 157
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 134
- 239000012528 membrane Substances 0.000 claims abstract description 56
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- 238000009792 diffusion process Methods 0.000 claims abstract description 26
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- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims abstract description 10
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- 238000000034 method Methods 0.000 claims description 34
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- WDAXFOBOLVPGLV-UHFFFAOYSA-N isobutyric acid ethyl ester Natural products CCOC(=O)C(C)C WDAXFOBOLVPGLV-UHFFFAOYSA-N 0.000 description 3
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- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
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- 229910002848 Pt–Ru Inorganic materials 0.000 description 2
- 229910000929 Ru alloy Inorganic materials 0.000 description 2
- 235000019892 Stellar Nutrition 0.000 description 2
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- 239000011247 coating layer Substances 0.000 description 2
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- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
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- 238000002296 dynamic light scattering Methods 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
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- 125000000524 functional group Chemical group 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- MLFHJEHSLIIPHL-UHFFFAOYSA-N isoamyl acetate Chemical compound CC(C)CCOC(C)=O MLFHJEHSLIIPHL-UHFFFAOYSA-N 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
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- BHIWKHZACMWKOJ-UHFFFAOYSA-N methyl isobutyrate Chemical compound COC(=O)C(C)C BHIWKHZACMWKOJ-UHFFFAOYSA-N 0.000 description 2
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- CFQCIHVMOFOCGH-UHFFFAOYSA-N platinum ruthenium Chemical compound [Ru].[Pt] CFQCIHVMOFOCGH-UHFFFAOYSA-N 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
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- AWQSAIIDOMEEOD-UHFFFAOYSA-N 5,5-Dimethyl-4-(3-oxobutyl)dihydro-2(3H)-furanone Chemical compound CC(=O)CCC1CC(=O)OC1(C)C AWQSAIIDOMEEOD-UHFFFAOYSA-N 0.000 description 1
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- 229920000299 Nylon 12 Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 1
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- 239000002737 fuel gas Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
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- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- UUIQMZJEGPQKFD-UHFFFAOYSA-N n-butyric acid methyl ester Natural products CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- HUAZGNHGCJGYNP-UHFFFAOYSA-N propyl butyrate Chemical compound CCCOC(=O)CCC HUAZGNHGCJGYNP-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 125000004436 sodium atom Chemical group 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical class CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- 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
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8828—Coating with slurry or ink
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- H—ELECTRICITY
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- 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
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
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- 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
- H01M8/0234—Carbonaceous material
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
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- Y10T29/00—Metal working
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- Y10T29/49108—Electric battery cell making
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Abstract
Description
| No. | 고분자전해질의에탄올분산액의농도(wt%) | 가해진 제 2 용매(에탄올에 대한 중량비) | 혼합용매의유전율 | 고분자전해질의 평균입자경(nm) |
| 1 | 0.1 | 초산부틸(2.90) | 10 | 32 |
| 2 | 5 | 초산부틸(2.76) | 10 | 200 |
| 3 | 0.1 | 물(4.50) | 70 | 30 |
| 4 | 5 | 물(4.30) | 70 | 195 |
| 5 | 9 | - | 24.5 | 300 |
| 6 | 9 | 초산부틸(2.65) | 10 | 250 |
| 7 | 9 | 물(4.15) | 70 | 250 |
| 도료 | 촉매담지탄소입자의메디안지름(㎛) | 촉매층의 광택도(%) |
| 1 | 0.15∼0.73 | 73∼91 |
| 2 | 1.8∼2,6 | 22∼30 |
| 3 | 10.1∼12.3 | 1∼8 |
| 4 | 6.8∼7.4 | 5∼13 |
| 5 | 0.2∼1.3 | 54∼87 |
| 6 | 1.1∼1.8 | 21∼38 |
| 7 | 9.8∼13.7 | 1∼10 |
| 8 | 10.6∼11.2 | 1∼9 |
Claims (14)
- 수소이온전도성 고분자 전해질막, 및 상기 수소이온전도성 고분자 전해질막을 끼운 촉매층 및 상기 촉매층에 접촉한 가스확산층을 가진 한 쌍의 전극을 구비하고, 적어도 한쪽 전극의 촉매층이, 귀금속촉매를 담지한 탄소입자를 포함하고, 상기 탄소입자가 서로 다른 분산상태의 수소이온전도성 고분자 전해질을 흡착한 적어도 2종의 탄소입자로 구성된 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 적어도 2종의 탄소입자가, 비표면적 또는 DBP흡유량이 서로 다른 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 수소이온전도성 고분자 전해질의 입경이, 광산란광도계로 측정한 값으로 30∼200nm 인 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 적어도 2종의 탄소입자가, 비표면적 30∼400m2/g의 제 1 탄소입자 및 비표면적 400∼1600m2/g의 제 2 탄소입자를 포함하고, 제 1 및 제 2 탄소입자에 흡착된 수소이온전도성 고분자 전해질의 입경이, 광산란광도계로 측정한 값으로, 각각 30∼200nm 및 200∼500nm인 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 적어도 한쪽의 전극의 촉매층의 표면의 85°광택도가, JIS-Z8741평가법으로 20%이상인 고분자 전해질형 연료전지.
- (i) 고분자 전해질을 분산한 제 1 분산액중에 있어서 촉매를 담지한 제 1 탄소입자에 상기 고분자 전해질을 흡착시키는 공정,(ⅱ) 고분자 전해질을 분산한 제 2 분산액중에 있어서 촉매를 담지한 제 2 탄소입자에 상기 고분자 전해질을 흡착시키는 공정,(ⅲ) 제 1 및 제 2 분산액을 혼합하여 촉매층 도료를 조제하는 공정, 및 (ⅳ) 상기 촉매층 도료로 촉매층을 형성하는 공정을 가지며,(v) 제 1 및 제 2 분산액의 적어도 한쪽에 있어서, 상기 탄소입자에 고분자 전해질을 흡착시키기에 앞서 상기 고분자 전해질을 분산한 제 1 용매에, 이것과는 다른 유전율을 가진 제 2 용매를 혼합하여 상기 고분자 전해질의 입경을 조제하는 공정을 가진 것을 특징으로 하는 고분자 전해질형 연료전지의 제조방법.
- 제 6 항에 있어서, 제 1 분산액의 용매가 알콜과 수산기를 가지지 않은 제 2 용매와의 혼합물이고, 상기 고분자 전해질의 입경을 조제하는 공정이 고분자 전해질의 알콜분산과, 제 1 탄소입자를 분산한 상기 제 2 용매를 혼합함으로써 이루어지는 고분자 전해질형 연료전지의 제조방법.
- 제 6 항에 있어서, 상기 (ⅳ)의 공정이, 상기 촉매층 도료를 가스확산층의한쪽 면에 도포하여 촉매층을 형성하고, 이에 따라 전극을 제작하는 공정으로서, 또한, 얻어진 전극을 고분자 전해질막의 적어도 한쪽 면에 가압에 의해 접합하여 일체화하는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
- 제 6 항에 있어서, 상기 (ⅳ)의 공정이, 상기 촉매층 도료를 고분자 전해질막의 적어도 한쪽 면에 도포하여 촉매층을 형성하여, 이에 따라 막-촉매층 접합체를 형성하는 공정으로서, 또한 상기 막-촉매층 접합체의 촉매층측에 가스확산층을 가압에 의해 접합하여 일체화하는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
- 제 6 항에 있어서, 상기 (ⅳ)의 공정이, 상기 촉매층 도료를 전사 필름에 도포하여 촉매층을 형성하는 공정과, 상기 촉매층을 고분자 전해질막의 적어도 한쪽 면에 전사하여 막-촉매층 접합체를 형성하는 공정으로서, 또한 상기 막-촉매층 접합체의 촉매층쪽에 가스확산층을 가압에 의해 접합하여 일체화하는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
- 제 6 항에 있어서, 상기 촉매층 도료속의 촉매담지탄소입자의 입도 분포를 메디언지름 0.1∼3㎛의 범위로 분산시키는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
- 제 6 항에 있어서, 촉매를 담지한 탄소입자를 상기 고분자 전해질을 흡착시키기 전에 친수처리하는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
- 제 9 항에 있어서, 상기 촉매층 도료의 분산매의 표면장력이, 상기 고분자 전해질막의 임계표면장력보다도 작은 고분자 전해질형 연료전지의 제조방법.
- 제 10 항에 있어서, 상기 촉매층 도료의 분산매의 표면장력이, 상기전사 필름의 임계표면장력보다 작은 고분자 전해질형 연료전지의 제조방법.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2000236767A JP2002050367A (ja) | 2000-08-04 | 2000-08-04 | 高分子電解質型燃料電池およびその製造法 |
| JPJP-P-2000-00236767 | 2000-08-04 | ||
| JP2000248366A JP3558021B2 (ja) | 2000-08-18 | 2000-08-18 | 燃料電池用膜電極接合体とその製造法及びこれを用いた燃料電池 |
| JPJP-P-2000-00248366 | 2000-08-18 | ||
| JPJP-P-2000-00248931 | 2000-08-18 | ||
| JP2000248931A JP2002063911A (ja) | 2000-08-18 | 2000-08-18 | 高分子電解質型燃料電池の製造方法 |
| JPJP-P-2000-00249353 | 2000-08-21 | ||
| JP2000249353A JP2002063912A (ja) | 2000-08-21 | 2000-08-21 | 高分子電解質型燃料電池の製造方法 |
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| KR100441800B1 KR100441800B1 (ko) | 2004-07-27 |
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| EP (1) | EP1306913B1 (ko) |
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-
2001
- 2001-08-03 CN CNB018022898A patent/CN100524914C/zh not_active Expired - Lifetime
- 2001-08-03 KR KR10-2002-7004313A patent/KR100441800B1/ko not_active Expired - Lifetime
- 2001-08-03 US US10/089,814 patent/US7201993B2/en not_active Expired - Lifetime
- 2001-08-03 EP EP01954442A patent/EP1306913B1/en not_active Expired - Lifetime
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100900130B1 (ko) * | 2005-02-10 | 2009-06-01 | 가부시끼가이샤 도시바 | 연료 전지 |
| KR100909299B1 (ko) * | 2005-02-10 | 2009-07-24 | 가부시끼가이샤 도시바 | 연료 전지 |
| US7638223B2 (en) | 2005-02-10 | 2009-12-29 | Kabushiki Kaisha Toshiba | Fuel cell |
| US7749640B2 (en) | 2005-02-10 | 2010-07-06 | Kabushiki Kaisha Toshiba | Fuel Cell |
| KR100696311B1 (ko) * | 2005-06-02 | 2007-03-19 | 석준호 | 초임계 유체를 이용한 연료전지용 전극촉매의 담지 및일체형 막/전극 접합체 제조 방법 |
| US9543590B2 (en) | 2011-08-11 | 2017-01-10 | Kolon Industries Inc. | Catalyst layer composition for fuel cell, electrode for fuel cell, method of preparing electrode for fuel cell, membrane-electrode assembly for fuel cell, and fuel cell system using the membrane-electrode assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| US7201993B2 (en) | 2007-04-10 |
| EP1306913A4 (en) | 2006-03-22 |
| CN1386308A (zh) | 2002-12-18 |
| KR100441800B1 (ko) | 2004-07-27 |
| EP1306913B1 (en) | 2012-03-14 |
| US7455703B2 (en) | 2008-11-25 |
| EP1306913A1 (en) | 2003-05-02 |
| US20060229194A1 (en) | 2006-10-12 |
| US20020182478A1 (en) | 2002-12-05 |
| CN100524914C (zh) | 2009-08-05 |
| WO2002013297A1 (en) | 2002-02-14 |
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