KR100437293B1 - 고분자 전해질형 연료전지 및 그 제조방법 - Google Patents
고분자 전해질형 연료전지 및 그 제조방법 Download PDFInfo
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- KR100437293B1 KR100437293B1 KR10-2002-7003703A KR20027003703A KR100437293B1 KR 100437293 B1 KR100437293 B1 KR 100437293B1 KR 20027003703 A KR20027003703 A KR 20027003703A KR 100437293 B1 KR100437293 B1 KR 100437293B1
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
Description
Claims (11)
- 수소이온전도성 고분자 전해질막과, 상기 수소이온전도성 고분자 전해질막을 사이에 끼운 양극 및 음극과, 상기 양극에 연료가스를 공급하는 가스유로를 가진 양극측 도전성 세퍼레이터와, 상기 음극에 산화제가스를 공급하는 가스유로를 가진 음극측 도전성 세퍼레이터를 구비한 고분자 전해질형 연료전지로서,상기 양극 및 상기 음극은, 가스확산층 및 상기 가스확산층의 상기 수소이온전도성 고분자 전해질막과 접하는 측에 형성된 촉매층으로 이루어지며,상기 촉매층은, 촉매입자와 수소이온전도성 고분자 전해질을 가지며,상기 촉매입자와 상기 수소이온전도성 고분자전해질과의 혼합비가 서로 다른 복수의 잉크를 상기 가스확산층의 한쪽면 또는 상기 수소이온전도성 고분자전해질막의 적어도 한쪽면에 각각 다른 노즐로부터 스프레이함으로써, 상기 양극 및 상기 음극의 적어도 한쪽에 있어서의 수소이온전도도 및 가스투과율의 적어도 하나가, 상기 양극 또는 상기 음극의 두께 방향에서 연속적으로 변화하고 있는 것을 특징으로 하는 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 촉매층에 있어서의 수소이온전도성 고분자 전해질의 양이, 상기 촉매층의 두께 방향에서 연속적으로 변화하고 있는 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 촉매층에 있어서의 수소이온전도성 고분자 전해질의 양이, 상기 수소이온전도성 고분자 전해질막측에서 많고, 상기 가스확산층측에서 적은 고분자 전해질형 연료전지.
- 수소이온전도성 고분자 전해질막과, 상기 수소이온전도성 고분자 전해질막을 사이에 끼운 양극 및 음극과, 상기 양극에 연료가스를 공급하는 가스유로를 가진 양극측 도전성 세퍼레이터와, 상기 음극에 산화제가스를 공급하는 가스유로를 가진 음극측 도전성 세퍼레이터를 구비한 고분자 전해질형 연료전지로서,상기 양극 및 상기 음극은, 가스확산층 및 상기 가스확산층의 상기 수소이온전도성 고분자 전해질막과 접하는 측에 형성된 촉매층으로 이루어지며,상기 촉매층은, 촉매입자로 이루어지는 층과, 상기 수소이온전도성 고분자 전해질막과 접하지 않는 수소이온전도성 고분자 전해질로 이루어지는 층을 가진 고분자 전해질형 연료전지.
- 제 4 항에 있어서, 상기 촉매층은, 상기 촉매입자로 이루어지는 층과, 상기 수소이온전도성 고분자 전해질로 이루어지는 층을 교대로 적층하여 이루어지는 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 가스확산층의 공극율이, 상기 도전성 세퍼레이터측에서 높고, 상기 촉매층측에서 낮은 고분자 전해질형 연료전지.
- 제 1 항에 있어서, 상기 가스확산층이, 각각 다른 공극율을 가진 복수의 다공질 도전성 기재를 가진 고분자 전해질형 연료전지.
- 촉매입자 및 수소이온전도성 고분자 전해질을 분산매와 혼합함으로써, 상기 촉매입자와 상기 수소이온전도성 고분자 전해질과의 혼합비가 다른 복수의 촉매층 형성용 잉크를 조제하는 공정, 및상기 복수의 촉매층 형성용 잉크를, 가스확산층의 한쪽 면 또는 수소이온전도성 고분자 전해질막의 적어도 한쪽 면에 각각 다른 노즐로부터 스프레이하여 도포함으로써, 수소이온전도도가 두께 방향에서 연속적으로 변화하고 있는 촉매층을 형성하는 공정을 가진 것을 특징으로 하는 제 1 항에 기재된 고분자 전해질형 연료전지의 제조방법.
- 제 8 항에 있어서, 상기 촉매층 형성용 잉크는, 발수처리된 탄소입자를 포함하는 고분자 전해질형 연료전지의 제조방법.
- 제 8 항에 있어서, 공극율이 다른 복수의 다공질 도전성 기재를 적층함으로써, 가스투과율이 두께 방향에서 변화하고 있는 가스확산층을 형성하는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
- 제 10 항에 있어서, 상기 가스확산층의 촉매층에 접하는 측의 면을 발수처리하는 공정을 가진 고분자 전해질형 연료전지의 제조방법.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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JP26680399 | 1999-09-21 | ||
JPJP-P-1999-00266803 | 1999-09-21 | ||
JP27576299 | 1999-09-29 | ||
JPJP-P-1999-00275762 | 1999-09-29 | ||
JP30599099 | 1999-10-27 | ||
JPJP-P-1999-00305990 | 1999-10-27 |
Publications (2)
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KR20020062726A KR20020062726A (ko) | 2002-07-29 |
KR100437293B1 true KR100437293B1 (ko) | 2004-06-25 |
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KR10-2002-7003703A KR100437293B1 (ko) | 1999-09-21 | 2000-09-20 | 고분자 전해질형 연료전지 및 그 제조방법 |
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Country | Link |
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US (2) | US7097932B1 (ko) |
EP (2) | EP1231656B1 (ko) |
JP (1) | JP4144686B2 (ko) |
KR (1) | KR100437293B1 (ko) |
CN (1) | CN1311578C (ko) |
DE (1) | DE60042125D1 (ko) |
WO (1) | WO2001022514A1 (ko) |
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JP2003100314A (ja) * | 2001-09-25 | 2003-04-04 | Mitsubishi Heavy Ind Ltd | 固体高分子形燃料電池用セルの作製方法及びその作製装置 |
GB0123109D0 (en) * | 2001-09-26 | 2001-11-14 | Victrex Mfg Ltd | Cells |
WO2003060011A2 (de) * | 2001-11-22 | 2003-07-24 | HÄRING, Rima | Modifizierte kovalent vernetzte polymere |
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WO2003078492A2 (de) * | 2002-02-28 | 2003-09-25 | Haering Thomas | Schichtstrukturen und verfahren zu deren herstellung |
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JP3912384B2 (ja) * | 2004-02-10 | 2007-05-09 | セイコーエプソン株式会社 | 燃料電池の製造方法 |
KR100578969B1 (ko) * | 2004-06-30 | 2006-05-12 | 삼성에스디아이 주식회사 | 연료 전지용 전극 및 이를 포함하는 연료 전지 |
CN100388539C (zh) * | 2004-09-01 | 2008-05-14 | 新源动力股份有限公司 | 复合催化层质子交换膜燃料电池电极及其制造方法 |
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-
2000
- 2000-09-20 DE DE60042125T patent/DE60042125D1/de not_active Expired - Lifetime
- 2000-09-20 EP EP00961147A patent/EP1231656B1/en not_active Expired - Lifetime
- 2000-09-20 CN CNB008131767A patent/CN1311578C/zh not_active Expired - Fee Related
- 2000-09-20 EP EP05007628A patent/EP1601035A1/en not_active Withdrawn
- 2000-09-20 US US10/088,484 patent/US7097932B1/en not_active Expired - Fee Related
- 2000-09-20 JP JP2001525786A patent/JP4144686B2/ja not_active Expired - Fee Related
- 2000-09-20 KR KR10-2002-7003703A patent/KR100437293B1/ko not_active IP Right Cessation
- 2000-09-20 WO PCT/JP2000/006451 patent/WO2001022514A1/ja active IP Right Grant
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2005
- 2005-05-26 US US11/137,514 patent/US20050214599A1/en not_active Abandoned
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EP1231656A1 (en) | 2002-08-14 |
DE60042125D1 (de) | 2009-06-10 |
EP1231656A4 (en) | 2004-05-19 |
US20050214599A1 (en) | 2005-09-29 |
WO2001022514A1 (fr) | 2001-03-29 |
CN1376318A (zh) | 2002-10-23 |
KR20020062726A (ko) | 2002-07-29 |
EP1601035A1 (en) | 2005-11-30 |
CN1311578C (zh) | 2007-04-18 |
JP4144686B2 (ja) | 2008-09-03 |
EP1231656B1 (en) | 2009-04-29 |
US7097932B1 (en) | 2006-08-29 |
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