KR20170037531A - 연료전지용 분리막, 그의 제조방법 및 연료전지 전극 어셈블리 - Google Patents
연료전지용 분리막, 그의 제조방법 및 연료전지 전극 어셈블리 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
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- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0245—Composites in the form of layered or coated products
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/00—Fuel cells; Manufacture thereof
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- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
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- H01M8/0239—Organic resins; Organic polymers
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- 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
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Abstract
Description
도 2a 내지 도 2d는 본 발명의 제1실시예에 따른 연료전지용 분리막의 제조방법을 설명하기 위한 도면,
도 3은 본 발명의 제1실시예에 따른 연료전지용 분리막의 개념적인 단면도,
도 4는 본 발명의 제2실시예에 따른 연료전지용 분리막의 제조방법의 흐름도,
도 5는 본 발명의 제3실시예에 따른 연료전지용 분리막의 제조방법의 흐름도,
도 6은 본 발명에 따른 연료전지용 전극 어셈블리의 단면도이다.
52,54:분사노즐 100,130:지지체
111,131:섬유 121,141:이온교환수지의 액적
200:분리막 210:애노드
220:캐소드 211,221:촉매층
212,212:가스확산층
Claims (12)
- 다수의 제1기공을 가지는 제1지지체;
상기 제1지지체의 다수의 제1기공에 충진되는 제1이온교환수지;
상기 제1지지체에 적층되며 다수의 제2기공을 가지는 제2지지체; 및
상기 제2지지체의 다수의 제2기공에 충진된 제2이온교환수지;를 포함하는 연료전지용 분리막. - 제1항에 있어서, 상기 제1지지체 및 제2지지체는 각각 전기방사된 고분자 섬유가 축적되어 형성된 3차원 네트워크 구조의 기공을 갖는 나노섬유 멤브레인으로 구성된 연료전지용 분리막.
- 제1항에 있어서, 상기 제1 및 제2 기공의 크기는 0.2~1.5㎛인 연료전지용 분리막.
- 제1항에 있어서, 상기 제1 및 제2 지지체의 두께는 각각 1 ~ 3㎛인 연료전지용 분리막.
- 제2항에 있어서, 상기 고분자 섬유는 탄성고분자 섬유인 연료전지용 분리막.
- 제2항에 있어서, 상기 고분자 섬유는 20 ~ 50중량%의 섬유성형성 고분자 및 50 ~ 80중량%의 내열성 고분자를 함유하는 연료전지용 분리막의 제조방법.
- 캐소드, 애노드, 및 상기 캐소드와 상기 애노드 사이에 개재되어 있는 제1항 내지 제6항 중 어느 한 항의 연료전지용 분리막을 포함하는 연료전지용 전극 어셈블리.
- 고분자 및 용매가 혼합된 방사용액을 전사방사하여 얻어진 섬유를 축적하여 3차원 네트워크 구조의 다수의 제1기공을 가지는 제1지지체를 형성하는 단계;
이온교환수지 및 용매가 혼합된 분사용액을 전기분사하여 제1이온교환수지의 액적을 상기 제1지지체에 도포하고, 상기 제1이온교환수지의 액적을 상기 제1지지체의 다수의 제1기공에 충진시키는 단계;
고분자 및 용매가 혼합된 방사용액을 제1지지체에 전사방사하여 얻어진 섬유를 축적하여 3차원 네트워크 구조의 다수의 제2기공을 가지는 제2지지체를 형성하는 단계; 및
이온교환수지 및 용매가 혼합된 분사용액을 전기분사하여 얻어진 제2이온교환수지의 액적을 상기 제2지지체에 도포하고, 상기 제2이온교환수지의 액적을 상기 제2지지체의 다수의 제2기공에 충진시키는 단계;를 포함하는 연료전지용 분리막의 제조방법. - 제8항에 있어서, 상기 제2이온교환수지의 액적을 상기 제2지지체의 다수의 제2기공에 충진시키는 단계 후에,
상기 제1 및 제2지지체를 열처리하는 공정 또는 열캘린더링하는 공정을 더 수행하는 연료전지용 분리막의 제조방법. - 제8항에 있어서, 상기 이온교환수지의 액적을 형성하기 위한 분사용액의 분사량은, 상기 제1 및 제2지지체를 형성하기 위한 방사용액의 방사량보다 2배 ~ 3배 많은 연료전지용 분리막의 제조방법.
- 제8항에 있어서, 상기 제1 및 제2 기공의 크기는 0.2 ~ 1.5㎛인 연료전지용 분리막.
- 제8항에 있어서, 상기 제1 및 제2 지지체를 구성하는 섬유는 20 ~ 50중량%의 섬유성형성 고분자 및 50 ~ 80중량%의 내열성 고분자를 함유하는 연료전지용 분리막의 제조방법.
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| CN107546411B (zh) * | 2017-08-30 | 2020-08-04 | 清陶(昆山)能源发展有限公司 | 一种电解质膜及其制备方法 |
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| Publication number | Publication date |
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| CN108028396A (zh) | 2018-05-11 |
| US20180191001A1 (en) | 2018-07-05 |
| US20200259189A1 (en) | 2020-08-13 |
| CN108028396B (zh) | 2021-04-30 |
| US10916783B2 (en) | 2021-02-09 |
| KR101878357B1 (ko) | 2018-07-16 |
| WO2017052179A1 (ko) | 2017-03-30 |
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