KR100637486B1 - 연료전지용 전해질막 및 이를 포함하는 연료전지 - Google Patents
연료전지용 전해질막 및 이를 포함하는 연료전지 Download PDFInfo
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- KR100637486B1 KR100637486B1 KR1020040050772A KR20040050772A KR100637486B1 KR 100637486 B1 KR100637486 B1 KR 100637486B1 KR 1020040050772 A KR1020040050772 A KR 1020040050772A KR 20040050772 A KR20040050772 A KR 20040050772A KR 100637486 B1 KR100637486 B1 KR 100637486B1
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- Prior art keywords
- fuel cell
- membrane
- polymer
- platinum
- electrolyte membrane
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- 239000000446 fuel Substances 0.000 title claims abstract description 98
- 239000012528 membrane Substances 0.000 title claims abstract description 71
- 239000003792 electrolyte Substances 0.000 title claims abstract description 49
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 18
- 229920005597 polymer membrane Polymers 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims description 30
- 229920000642 polymer Polymers 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- -1 aryl ketones Chemical class 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 6
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 229910000820 Os alloy Inorganic materials 0.000 claims description 4
- 229910001252 Pd alloy Inorganic materials 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 229910000929 Ru alloy Inorganic materials 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 4
- IYZXTLXQZSXOOV-UHFFFAOYSA-N osmium platinum Chemical compound [Os].[Pt] IYZXTLXQZSXOOV-UHFFFAOYSA-N 0.000 claims description 4
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- CFQCIHVMOFOCGH-UHFFFAOYSA-N platinum ruthenium Chemical compound [Ru].[Pt] CFQCIHVMOFOCGH-UHFFFAOYSA-N 0.000 claims description 3
- JMGNVALALWCTLC-UHFFFAOYSA-N 1-fluoro-2-(2-fluoroethenoxy)ethene Chemical compound FC=COC=CF JMGNVALALWCTLC-UHFFFAOYSA-N 0.000 claims description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 2
- DPZVOQSREQBFML-UHFFFAOYSA-N 3h-pyrrolo[3,4-c]pyridine Chemical compound C1=NC=C2CN=CC2=C1 DPZVOQSREQBFML-UHFFFAOYSA-N 0.000 claims description 2
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 2
- 229910000531 Co alloy Inorganic materials 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 239000004697 Polyetherimide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical compound OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910003472 fullerene Inorganic materials 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000002116 nanohorn Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 2
- PCLURTMBFDTLSK-UHFFFAOYSA-N nickel platinum Chemical compound [Ni].[Pt] PCLURTMBFDTLSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229920001601 polyetherimide Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 239000002759 woven fabric Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000005518 polymer electrolyte Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 125000001174 sulfone group Chemical group 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920005548 perfluoropolymer Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
-
- H—ELECTRICITY
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- 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
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1023—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1025—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M8/1027—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
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- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/103—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh]
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Abstract
Description
전해질막의 흡습성 | 전해질막의 수소이온 전도도 | |
실시예 1 | 300 % | 0.13 S/cm |
비교예 1 | 60 % | 0.11 S/cm |
Claims (18)
- 퍼플루오르계 고분자, 벤즈이미다졸계 고분자, 폴리이미드계 고분자, 폴리에테르이미드계 고분자, 폴리페닐렌설파이드계 고분자 폴리술폰계 고분자, 폴리에테르술폰계 고분자, 폴리에테르케톤계 고분자 폴리에테르-에테르케톤계 고분자 및 폴리페닐퀴녹살린계 고분자로 이루어진 군으로부터 선택되는 1종 이상의 수소이온 전도성 고분자를 포함하는 수소이온 전도성 고분자막, 및상기 수소이온 전도성 고분자막의 일면 또는 양면에 위치하는 흡습성 고분자막을 포함하며,상기 흡습성 고분자막은 아크릴산, 히드록시에틸 메타크릴레이트, 히드록시 및 술폰산기로 이루어진 군으로부터 선택되는 1종 이상의 친수성 작용기를 가지는 고분자를 포함하며,상기 고분자는 폴리아크릴산, 폴리에틸렌옥사이드(PEO) 및 폴리히드록시에틸메타크릴레이트(PHEMA)로 이루어진 군으로부터 선택되는 1종 이상의 것인 연료전지용 전해질막.
- 삭제
- 제1항에 있어서, 상기 수소이온 전도성 고분자막은 폴리(퍼플루오로설폰산), 폴리(퍼플루오로카르복실산), 설폰산기를 포함하는 테트라플루오로에틸렌과 플루오로비닐에테르의 공중합체, 탈불소화된 황화 폴리에테르케톤, 아릴 케톤, 폴리(2,2'-(m-페닐렌)-5,5'-바이벤즈이미다졸)(poly(2,2'-(m-phenylene)-5,5'-bibenzimidazole)) 및 폴리(2,5-벤즈이미다졸)로 이루어진 군으로부터 선택되는 1종 이상의 수소이온 전도성 고분자를 포함하는 것인 연료전지용 전해질막.
- 삭제
- 삭제
- 제1항에 있어서, 상기 흡습성 고분자막은 1 내지 1000 ㎛의 두께를 가지는 것인 연료전지용 전해질막.
- 제6항에 있어서, 상기 흡습성 고분자막은 10 내지 200 ㎛의 두께를 가지는 것인 연료전지용 전해질막.
- 제1항에 있어서, 상기 흡습성 고분자막은 필름 형태인 연료전지용 전해질막.
- 제1항에 있어서, 상기 흡습성 고분자막은 직물 또는 부직포의 형태인 연료전지용 전해질막.
- a) 제1항, 제3항, 및 제6항 내지 제9항 중 어느 하나의 항에 따른 연료전지용 전해질막을 포함하는 막-전극 접합체(MEA:membrane-electrode assembly), 및b) 상기 막-전극 접합체의 양면에 접하도록 위치하는 분리판(BP:bipolar plate)을 포함하는 연료전지.
- 제10항에 있어서, 상기 막-전극 접합체는i) 상기 연료전지용 전해질막,ii) 상기 전해질막의 일면에 형성되는 캐소드 촉매층,iii) 상기 전해질막의 다른 일면에 형성되는 애노드 촉매층,iv) 상기 캐소드 촉매층 및 애노드 촉매층의 바깥면에 접하여 형성되는 기체확산층(GDL:gas diffusion layer)을 포함하는 것인 연료전지.
- 제11항에 있어서, 상기 연료전지용 전해질막은 캐소드 촉매층에 접하는 일면에만 흡습성 고분자막이 위치하는 것인 연료전지.
- 제11항에 있어서, 상기 막-전극 접합체의 캐소드 촉매층 및 애노드 촉매층은 각각 백금, 루테늄, 오스뮴, 백금-루테늄 합금, 백금-오스뮴 합금, 백금-팔라듐 합 금 및 백금-M 합금(M=Ga, Ti, V, Cr, Mn, Fe, Co, Ni, Cu 및 Zn로 이루어진 군으로부터 선택되는 1종 이상의 전이금속)로 이루어진 군으로부터 선택되는 1종 이상의 촉매를 포함하는 것인 연료전지.
- 제11항에 있어서, 상기 막-전극 접합체의 캐소드 촉매층 및 애노드 촉매층은 각각 백금, 루테늄, 오스뮴, 백금-루테늄 합금, 백금-오스뮴 합금, 백금-팔라듐 합금, 백금-코발트 합금 및 백금-니켈 중에서 선택되는 1종 이상의 촉매를 포함하는 것인 연료전지.
- 제11항에 있어서, 상기 막-전극 접합체의 기체확산층은 탄소지(carbon paper) 또는 탄소천(carbon cloth)인 연료전지.
- 제11항에 있어서, 상기 막-전극 접합체는 캐소드 촉매층 및 애노드 촉매층과 기체확산층 사이에 미세기공층(MPL:microporous layer)을 더 포함하는 것인 연료전지.
- 제16항에 있어서, 상기 미세기공층(MPL)은 흑연, 탄소나노튜브(CNT), 플러렌(C60), 활성탄소, 탄소나노혼 및 카본블랙으로 이루어진 군으로부터 선택되는 1종 이상의 도전성 탄소를 포함하는 것인 연료전지.
- 제10항에 있어서, 상기 연료전지는 별도의 가습장치를 필요로 하지 않는 자체가습형인 연료전지.
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JP2005176802A JP4410156B2 (ja) | 2004-06-30 | 2005-06-16 | 燃料電池用電解質膜及びこれを含む燃料電池 |
US11/155,859 US20060003195A1 (en) | 2004-06-30 | 2005-06-16 | Electrolyte membrane for fuel cell and fuel cell comprising the same |
CNB2005100813756A CN100474673C (zh) | 2004-06-30 | 2005-06-28 | 燃料电池的电解液膜及包括它的燃料电池 |
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KR100801657B1 (ko) * | 2006-10-11 | 2008-02-05 | 한국에너지기술연구원 | 탄소나노튜브 또는 탄소나노섬유의 마이크로 층으로 코팅된기체확산층을 포함하는 연료전지 셀 |
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- 2004-06-30 KR KR1020040050772A patent/KR100637486B1/ko not_active IP Right Cessation
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2005
- 2005-06-16 US US11/155,859 patent/US20060003195A1/en not_active Abandoned
- 2005-06-16 JP JP2005176802A patent/JP4410156B2/ja not_active Expired - Fee Related
- 2005-06-28 CN CNB2005100813756A patent/CN100474673C/zh not_active Expired - Fee Related
Cited By (2)
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KR100833056B1 (ko) * | 2006-03-31 | 2008-05-27 | 주식회사 엘지화학 | 연료전지용 강화-복합 전해질막 |
KR100786841B1 (ko) | 2007-01-11 | 2007-12-20 | 삼성에스디아이 주식회사 | 연료 전지용 고분자 전해질 막 및 이를 포함하는 막-전극어셈블리 및 이를 포함하는 연료 전지 시스템 |
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JP4410156B2 (ja) | 2010-02-03 |
KR20060001629A (ko) | 2006-01-06 |
US20060003195A1 (en) | 2006-01-05 |
CN100474673C (zh) | 2009-04-01 |
JP2006019261A (ja) | 2006-01-19 |
CN1716670A (zh) | 2006-01-04 |
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