KR20040011181A - 연료전지용 탄소나노튜브, 그 제조방법 및 이를 채용한연료전지 - Google Patents
연료전지용 탄소나노튜브, 그 제조방법 및 이를 채용한연료전지 Download PDFInfo
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- 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
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- B82—NANOTECHNOLOGY
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- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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- Y02E60/50—Fuel cells
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- 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
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- 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
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- 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
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- 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
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- Y10S977/70—Nanostructure
- Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
- Y10S977/742—Carbon nanotubes, CNTs
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- 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
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Abstract
Description
Claims (11)
- 나노크기의 금속 촉매입자가 탄소나노튜브의 내 외벽에 균일하게 분산되어있고, 상기 촉매입자의 분산도가 0.3∼5mg/㎠의 범위이며, 탄소기판상에 직접성장된 것 특징으로 하는 연료전지용 탄소나노튜브.
- 제 1항에 있어서, 상기 금속 촉매입자는 Pt, Ru, Fe 및 Co로 이루어진 군에서 선택된 어느 하나 또는 이들의 혼합물인 것을 특징으로 하는 연료전지용 탄소나노튜브.
- 제 1항에 있어서, 상기 탄소기판은 탄소천 또는 탄소종이인 것을 특징으로 하는 연료전지용 탄소나노튜브.
- 제 1항에 있어서, 상기 탄소나노튜브는 가지모양인 것을 특징으로 하는 연료전지용 탄소나노튜브.
- 탄소기판 상에 금속촉매를 균일하게 분산시키는 단계;탄소 소스(source) 기체를 대기압하에서 일정 유량으로 주입하고 온도 400∼900℃에서 1∼120분간 반응시켜 탄소나노튜브를 제조하는 단계를 포함하는 것을 특징으로 하는 연료전지용 탄소나노튜브의 제조방법
- 제 5항에 있어서, 상기 탄소소스 기체는 에틸렌, 일산화탄소, 이산화탄소 또는 메탄인 것을 특징으로 하는 연료전지용 탄소나노튜브의 제조방법.
- 제 5항에 있어서, 상기 탄소 기판 상에 금속 촉매를 분산시키는 전처리 과정은 전기이동법, 용사, 스퍼터링 또는 화학기상증착법인 것을 특징으로 하는 연료전지용 탄소나노튜브의 제조방법.
- 제 5항에 있어서, 상기 탄소소스 기체를 플라즈마 상태로 하기 위하여 마이크로파 또는 라디오파를 가하는 단계를 추가로 더 포함하는 것을 특징으로 하는 연료전지용 탄소나노튜브의 제조방법.
- 제 5항에 있어서, 상기 탄소나노튜브를 가지형태로 성장하도록 조절하는 단계를 더 포함하는 것을 특징으로 하는 연료전지용 탄소나노튜브의 제조방법.
- 제 9항에 있어서, 상기 탄소나노튜브를 가지형태로 성장하도록 조절하는 단계는 탄소나노튜브가 성장하는 도중 반응시간이 1 내지 120분이 경과한 후 수소기체 또는 암모니아기체와 같은 환원성 기체를 사용하거나, 탄소소스 기체의 유량, 반응온도 및 시간을 조절하는 것을 특징으로 하는 연료전지용 탄소나노튜브의 제조방법.
- 제 1항 내지 제 4항 중 어느 한 항에 의한 탄소나노튜브를 전극에 채용한 것을 특징으로 하는 연료전지.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020020044631A KR100759547B1 (ko) | 2002-07-29 | 2002-07-29 | 연료전지용 탄소나노튜브, 그 제조방법 및 이를 채용한연료전지 |
CNB031451373A CN1240612C (zh) | 2002-07-29 | 2003-06-23 | 用于燃料电池的碳纳米管及其制备方法以及采用它的燃料电池 |
US10/601,872 US7585584B2 (en) | 2002-07-29 | 2003-06-24 | Carbon nanotubes for fuel cells, method for manufacturing the same, and fuel cell using the same |
JP2003281779A JP3705795B2 (ja) | 2002-07-29 | 2003-07-29 | 燃料電池用電極、その製造法及びそれを採用した燃料電池 |
US12/511,468 US8083905B2 (en) | 2002-07-29 | 2009-07-29 | Carbon nanotubes for fuel cells, method for manufacturing the same, and fuel cell using the same |
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KR1020020044631A KR100759547B1 (ko) | 2002-07-29 | 2002-07-29 | 연료전지용 탄소나노튜브, 그 제조방법 및 이를 채용한연료전지 |
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KR20040011181A true KR20040011181A (ko) | 2004-02-05 |
KR100759547B1 KR100759547B1 (ko) | 2007-09-18 |
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US (2) | US7585584B2 (ko) |
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CN (1) | CN1240612C (ko) |
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KR100684797B1 (ko) | 2005-07-29 | 2007-02-20 | 삼성에스디아이 주식회사 | 연료 전지용 전극, 이를 포함하는 막-전극 어셈블리 및이를 포함하는 연료 전지 시스템 |
KR100726237B1 (ko) * | 2006-03-31 | 2007-06-08 | 한국에너지기술연구원 | 탄소나노튜브를 지지체로 하고 전기화학적 방법을 사용한백금나노촉매의 제조방법 |
KR100741762B1 (ko) * | 2006-03-28 | 2007-07-24 | 한국에너지기술연구원 | 그라파이트 박판 위에 탄소나노튜브를 합성하는 방법 |
KR100745736B1 (ko) * | 2006-02-23 | 2007-08-02 | 삼성에스디아이 주식회사 | 카본나노튜브, 이를 포함한 담지 촉매 및 상기 담지 촉매를이용한 연료전지 |
KR100901846B1 (ko) * | 2007-09-11 | 2009-06-09 | 한국에너지기술연구원 | 탄소나노튜브 직접성장법과 백금 나노촉매의 담지를 위한화학기상증착법을 적용한 연료전지용 셀룰로스 전극의제조방법, 셀룰로스 전극 및 셀룰로스 섬유의 연료전지용전극으로서의 용도 |
KR100915968B1 (ko) * | 2007-01-29 | 2009-09-10 | (주)썬텔 | 탄소재료-탄소나노섬유 복합 소재를 전극 재료로 사용한전기이중층 캐패시터 |
KR100953147B1 (ko) * | 2008-02-28 | 2010-04-16 | 충남대학교산학협력단 | 금속 촉매가 균일하게 증착된 수소저장매체용 탄소나노섬유및 그 제조방법 |
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US20060008696A1 (en) * | 2004-06-30 | 2006-01-12 | Suk-Won Cha | Nanotubular solid oxide fuel cell |
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KR100901846B1 (ko) * | 2007-09-11 | 2009-06-09 | 한국에너지기술연구원 | 탄소나노튜브 직접성장법과 백금 나노촉매의 담지를 위한화학기상증착법을 적용한 연료전지용 셀룰로스 전극의제조방법, 셀룰로스 전극 및 셀룰로스 섬유의 연료전지용전극으로서의 용도 |
KR100953147B1 (ko) * | 2008-02-28 | 2010-04-16 | 충남대학교산학협력단 | 금속 촉매가 균일하게 증착된 수소저장매체용 탄소나노섬유및 그 제조방법 |
KR20140142838A (ko) * | 2013-06-05 | 2014-12-15 | 주식회사 엘지화학 | 탄소나노섬유 제조방법 및 이에 따라 제조된 탄소나노섬유 |
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CN1472135A (zh) | 2004-02-04 |
US20040018416A1 (en) | 2004-01-29 |
JP2004059428A (ja) | 2004-02-26 |
US20100018851A1 (en) | 2010-01-28 |
US8083905B2 (en) | 2011-12-27 |
US7585584B2 (en) | 2009-09-08 |
CN1240612C (zh) | 2006-02-08 |
KR100759547B1 (ko) | 2007-09-18 |
JP3705795B2 (ja) | 2005-10-12 |
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