KR100413801B1 - 전도성 무기 나노 입자 함유 고분자 전해질 및 이를채용한 연료전지 - Google Patents
전도성 무기 나노 입자 함유 고분자 전해질 및 이를채용한 연료전지 Download PDFInfo
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- KR100413801B1 KR100413801B1 KR10-2001-0067148A KR20010067148A KR100413801B1 KR 100413801 B1 KR100413801 B1 KR 100413801B1 KR 20010067148 A KR20010067148 A KR 20010067148A KR 100413801 B1 KR100413801 B1 KR 100413801B1
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Abstract
Description
구분 | W의 함량(wt%) |
실시예 1 | 0.085 |
실시예 2 | 0.444 |
실시예 3 | 0.796 |
실시예 4 | 0.078 |
실시예 5 | 0.084 |
실시예 6 | 0.025 |
실시예 7 | 0.431 |
실시예 8 | 0.082 |
나피온 115 고분자막 | 0.0080 |
Claims (19)
- 이온 전도성 고분자막과, 나노 사이즈의 입자 크기를 갖는 다공성 지지체와, 이 다공성 지지체에 담지된 이온 전도성 물질을 포함하는 전도성 무기 나노 입자를 포함하여 이루어지며,상기 전도성 무기 나노 입자가,상기 이온 전도성 고분자막의 극성 영역(polar portion)을 연결하는 마이크로채널에 함침되어 있고,상기 다공성 지지체의 함량이 전도성 무기 나노 입자 100 중량부를 기준으로 하여 10 내지 90 중량부이고,상기 이온 전도성 물질의 함량이 전도성 무기 나노 입자 100 중량부를 기준으로 하여 10 내지 90 중량부이고,상기 전도성 무기 나노 입자의 함량이 고분자 전해질 100 중량부를 기준으로 하여 3 내지 90 중량부인 것을 특징으로 하는 고분자 전해질.
- 제1항에 있어서, 상기 이온 전도성 물질이 화학식 1로 표시되는 헤테로폴리산, 화학식 2의 인산, 황산 및 이들의 염으로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 고분자 전해질.<화학식 1>Hm1[XxYyOz]·n1H2O<화학식 2>상기식중, X는 B, Al, Ga, Sn, P, Sb, Te, I, 전이금속중에서 선택된 하나이고,상기 Y가 전이금속이고,m1은 1 내지 10의 정수이고, n1은 2 내지 100의 정수이고,R은 C1-C20 하이드록시알킬기, C1-C20 알킬기, 페닐기, C1-C20 알킬페닐기, 비닐기, C1-C20 할로겐화된 알킬기, 할로겐화된 페닐기, 할로겐화된 메틸페닐기 및 아민기로 이루어진 군으로부터 선택되고,m2는 1 내지 10의 정수이고, n2는 0 내지 20의 정수이다.
- 제2항에 있어서, 상기 X 및 Y의 전이금속이 W, Mo, P, Si, Co, Cs, V, Ni 로 이루어진 군으로부터 선택된 하나인 것을 특징으로 하는 고분자 전해질.
- 제1항에 있어서, 상기 전도성 무기 나노 입자의 입경이 0.1 내지 50nm인 것을 특징으로 하는 고분자 전해질.
- 제1항에 있어서, 상기 이온 전도성 고분자막이 4-불소화된 술폰화 고분자, 벤젠 고리를 가진 술폰화 고분자로 이루어진 군으로부터 선택된 하나 이상의 이온전도성 고분자를 포함하고, 상기 이온 전도성 고분자막의 두께가 30 내지 200㎛인 것을 특징으로 하는 고분자 전해질.
- 제1항에 있어서, 상기 다공성 지지체가 실리카, 알루미나, 지르코니아, 제올라이트 및 티타늄 산화물로 이루어진 군으로부터 선택된 하나 이상이고, 이 다공성 지지체의 입자 크기가 0.1 내지 50nm인 것을 특징으로 하는 고분자 전해질.
- 삭제
- (a) 계면활성제에 용매를 부가하여 오일상 혼합물을 얻는 단계;(b) 상기 혼합물에 이온 전도성 고분자막을 침적시킨 후, 이를 교반하고 여기에 이온 전도성 물질, 순수 및 염기를 부가하고 혼합물을 중화시키는 단계;(c) 상기 혼합물에 다공성 지지체의 전구체를 부가 및 혼합하는 단계;(d) 상기 (c) 단계의 결과물로부터 막을 분리해낸 후, 이를 세척 및 건조하는 단계를 포함하여 이온 전도성 고분자막을 구성하는 이온 전도성 고분자의 극성영역을 연결하는 마이크로채널에 전도성 무기 나노 입자가 함침시키는 것을 특징으로 하는 고분자 전해질의 제조방법.
- 제8항에 있어서, 상기 이온 전도성 물질이 하기 화학식 1 또는 2로 표시되는 것을 특징으로 하는 고분자 전해질의 제조방법.<화학식 1>Hm1[XxYyOz]·n1H2O<화학식 2>상기식중, X는 B, Al, Ga, Sn, P, Sb, Te, I, 전이금속중에서 선택된 하나이고,상기 Y가 전이금속이고,m1은 1 내지 10의 정수이고, n1은 2 내지 100의 정수이고,R은 C1-C20 하이드록시알킬기, C1-C20 알킬기, 페닐기, C1-C20 알킬페닐기, 비닐기, C1-C20 할로겐화된 알킬기, 할로겐화된 페닐기, 할로겐화된 메틸페닐기 및 아민기로 이루어진 군으로부터 선택되고,m2는 1 내지 10의 정수이고, n2는 0 내지 20의 정수이다.
- 제8항에 있어서, 상기 (a) 단계에서 용매가, 사이클로헥산, 1-헥산올, 이소옥탄, n-헥산, 사이클로헥산, 도데칸, 톨루엔, 데칸, 헵탄, 헥사데칸으로 이루어진 군으로부터 선택된 하나 이상이고, 용매의 함량이 이온 전도성 물질 100 중량부에 대하여 8000 내지 12000 중량부인 것을 특징으로 하는 고분자 전해질의 제조방법.
- 제8항에 있어서, 상기 (a) 단계에서 상기 계면활성제가 트리톤(triton)(Benzyltrimethylammonium hydroxide), 베롤 26(Berol 26) (polyoxyethylene nonylphenylether), 베롤 160(Berol 160) (polyoxyethylene dodecylether), 베롤 267(Berol 267)(polyoxyethylene nonylphenyl ether)로 이루어진 군으로부터 선택된 비온성 계면활성제이거나 또는 스팬(SPAN) (sorbitan monoleate, sorbitan monopalmitate), 알라셀(Arlacel)(sorbitan sesqunoleate), AOT(sodium bis (2-ethylhexyl)sulfoxylmate)로 이루어진 군으로부터 선택된 이온성 계면활성제이고, 이의 함량이 이온 전도성 물질 100 중량부에 대하여 50 내지 150 중량부인 것을 특징으로 하는 고분자 전해질.
- 제8항에 있어서, 상기 (b) 단계에서 순수의 함량이 이온 전도성 고분자막을 구성하는 이온 전도성 고분자 100 중량부에 대하여 1 내지 10 중량부이고, 염기는 암모니아수, 수산화나트륨로 이루어진 군으로부터 선택된 하나인 것을 특징으로 하는 고분자 전해질.
- 제8항에 있어서, 상기 (c) 단계에 있어서, 다공성 지지체의 전구체가 지르코늄 알콕사이드, 티타늄 알콕사이드, 실리콘 알콕사이드 및 알루미늄 알콕사이드로 이루어진 군으로부터 선택된 하나 이상이고,이의 함량이 이온 전도성 물질 100 중량부를 기준으로 하여 5 내지 90 중량부인 것을 특징으로 하는 고분자 전해질의 제조방법.
- 제8항에 있어서, 상기 (d) 단계의 세척시 알콜 용매를 이용하고 건조가 80 내지 120℃에서 이루어지는 것을 특징으로 하는 고분자 전해질의 제조방법.
- 삭제
- 삭제
- 제2항에 있어서, 상기 화학식 1로 표시되는 헤테로폴리산이 12 텅스토(VI) 인산(12 tungsto(VI) phosphoric acid), 실리콘텅스토인산(silicotungsto(VI) phosphoric acid), 텅스토규산(tungstosilicic acid), 세슘 하이드로겐 텅스토실리케이트(cesium hydrogen tungstosilicate), 몰리브도인산(molybdophosphoric acid), 몰리브도규산(molybdosilicic acid), 암모늄 몰리브도디포스페이트(ammonium molybdodiphosphate), 소듐 몰리브도포스페이트(sodium molybdophosphate), 포타슘 텅스토포스페이트(potassium tungstophosphate) 또는 포타슘 몰리브도디바도 포스페이트(potassium molybdodivanado phosphate)인 것을 특징으로 하는 고분자 전해질.
- 제1항 내지 제7항 및 제17항중 어느 한 항의 고분자 전해질을 채용하는 것을 특징으로 하는 연료 전지.
- 제18항에 있어서, 상기 연료전지가 직접 메탄올 연료 전지인 것을 특징으로 하는 연료전지.
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KR10-2001-0067148A KR100413801B1 (ko) | 2001-10-30 | 2001-10-30 | 전도성 무기 나노 입자 함유 고분자 전해질 및 이를채용한 연료전지 |
US10/218,563 US7625651B2 (en) | 2001-10-30 | 2002-08-15 | Polymer electrolyte comprising inorganic conductive nano-particles and fuel cell employing the polymer electrolyte |
DE60239251T DE60239251D1 (de) | 2001-10-30 | 2002-08-17 | Polymerelektrolyt, Verfahren zur Herstellung und seine Verwendung in Brennstoffzelle |
EP02018537A EP1309025B1 (en) | 2001-10-30 | 2002-08-17 | Polymer electrolyte, method for preparing and fuel cell employing the same |
JP2002316739A JP4149237B2 (ja) | 2001-10-30 | 2002-10-30 | 伝導性無機ナノ粒子を含む高分子電解質及びこれを採用した燃料電池 |
US12/578,086 US20100068595A1 (en) | 2001-10-30 | 2009-10-13 | Polymer electrolyte comprising inorganic conductive nano-particles and fuel cell employing the polymer electrolyte |
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EP (1) | EP1309025B1 (ko) |
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KR101382126B1 (ko) | 2011-02-09 | 2014-04-07 | (주)엘켐텍 | 고분자 전해질 막, 수전해 장치, 연료 전지 및 이를 포함하는 연료 전지 시스템 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7771879B2 (en) | 2004-09-10 | 2010-08-10 | Electronics And Telecommunications Research Institute | Method of producing nanoparticle-filled phase inversion polymer electrolyte |
KR101382126B1 (ko) | 2011-02-09 | 2014-04-07 | (주)엘켐텍 | 고분자 전해질 막, 수전해 장치, 연료 전지 및 이를 포함하는 연료 전지 시스템 |
Also Published As
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US20030099874A1 (en) | 2003-05-29 |
JP4149237B2 (ja) | 2008-09-10 |
JP2003178777A (ja) | 2003-06-27 |
US7625651B2 (en) | 2009-12-01 |
EP1309025A2 (en) | 2003-05-07 |
KR20030035190A (ko) | 2003-05-09 |
US20100068595A1 (en) | 2010-03-18 |
DE60239251D1 (de) | 2011-04-07 |
EP1309025A3 (en) | 2004-12-08 |
EP1309025B1 (en) | 2011-02-23 |
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