KR101094566B1 - 다공질 탄소 기재, 가스 확산체, 막-전극 접합체, 및 연료 전지 - Google Patents
다공질 탄소 기재, 가스 확산체, 막-전극 접합체, 및 연료 전지 Download PDFInfo
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Abstract
Description
장치 | 마이크로메리틱사제 포어사이저 9320 |
측정압력 범위 | 약 3,7KPa 내지 207MPa (세공 직경 약 70nm 내지 400㎛) |
측정 모드 | 상기 압력 범위의 승압 과정 |
셀 용적 | 5 ㎤ |
장치 | 퍼킨 엘머(Perkin-Elmer)사 제조 파이리스(Pyris) 6 DSC |
분위기 | 질소 흐름 (50ml/분) |
승온 속도 | 10℃/분 |
강온 속도 | 10℃/분 |
온도 범위 | -20 내지 300℃ |
시료량 | 2 내지 6mg |
시료용기 | 알루미늄제 용기 |
세공 피크 직경 (㎛) |
10㎛ 이하의 세공 용적 (cc/g) |
두께 (mm) |
평균 섬유직경 (㎛) |
최대 하중 (N/cm) |
최대하중 변위 (mm) |
굴곡탄성율 (GPa) |
승온속도 (℃/분) |
수지 경화도 (%) |
전기저항 (mΩ·㎠) |
전지전압 (V) |
|
실시예1 | 38 | 0.07 | 0.13 | 7 | 0.59 | 1.70 | 12 | 500 | 100 | 9 | 0.49 |
실시예2 | 39 | 0.07 | 0.16 | 7 | 0.49 | 1.47 | 9 | 1600 | 78 | 12 | 0.47 |
실시예3 | 39 | 0.05 | 0.14 | 7 | 0.67 | 1.46 | 12 | 500 | 100 | 10 | 0.49 |
실시예4 | 41 | 0.11 | 0.15 | 7 | 0.31 | 1.71 | 6 | 500 | 81 | 23 | 0.46 |
비교예1 | 36 | 0.04 | 0.19 | 7 | 0.86 | 1.03 | 12 | 1.4 | 55 | 9 | 0.49 |
비교예2 | 24 | 0.04 | 0.18 | 5 | 0.64 | 1.53 | 16 | 1.4 | 63 | 9 | 0.33 |
비교예3 | 40 | 0.17 | 0.25 | 7 | 0.44 | 0.77 | 6 | 500 | 57 | 39 | 0.42 |
비교예4 | 37 | 0.03 | 0.10 | 7 | 0.21 | 2.45 | 9 | 1.4 | 62 | 9 | 0.49 |
비교예5 | 36 | 0.04 | 0.28 | 7 | 2.19 | 0.64 | 12 | 1.4 | 58 | 11 | 0.03 |
Claims (48)
- 무작위한 방향으로 분산되어 있는 탄소 단섬유와 상기 탄소 단섬유에 결착한 수지 탄화물을 포함하는 시트를 포함하고, 상기 시트는 세공을 갖고, 상기 세공 중 세공 직경이 10 ㎛ 이하인 세공의 상기 시트 단위 중량당의 용적이 0.05 내지 0.16 cc/g이고, 상기 세공의 세공 피크 직경이 25 ㎛ 내지 55 ㎛인 다공질 탄소 기재.
- 제1항에 있어서, 상기 다공질 탄소 기재의 두께가 0.10 ㎜ 내지 0.25 ㎜인 다공질 탄소 기재.
- 제1항에 있어서, 상기 다공질 탄소 기재의 공극율이 70 % 내지 90 %인 다공질 탄소 기재.
- 제1항에 있어서, 상기 탄소 단섬유의 평균 섬유 직경이 5 ㎛ 내지 20 ㎛인 다공질 탄소 기재.
- 제1항에 있어서, 탄소질 분말을 추가로 포함하는 다공질 탄소 기재.
- 제1항에 있어서, 상기 다공질 탄소 기재의 3점 굴곡 시험에 의해 측정되는 굴곡 최대 하중이 0.25 N/㎝ 내지 2.0 N/㎝인 다공질 탄소 기재.
- 제1항에 있어서, 상기 다공질 탄소 기재의 3점 굴곡 시험에 의해 측정되는 굴곡 최대 하중 변위가 0.7 ㎜ 내지 2.3 ㎜인 다공질 탄소 기재.
- 제1항에 있어서, 상기 다공질 탄소 기재의 3점 굴곡 시험에 의해 측정되는 굴곡 탄성률이 1 GPa 내지 15 GPa인 다공질 탄소 기재.
- 제5항에 있어서, 상기 탄소질 분말의 입경이 0.01 ㎛ 내지 10 ㎛인 다공질 탄소 기재.
- 제5항에 있어서, 상기 탄소질 분말이 흑연 또는 카본 블랙의 분말인 다공질 탄소 기재.
- 삭제
- 제1항에 있어서, 상기 탄소 단섬유의 평균 섬유 길이가 3 ㎜ 내지 20 ㎜인 다공질 탄소 기재.
- 제1항에 있어서, 상기 다공질 탄소 기재의 밀도가 0.3 g/㎤ 내지 0.7 g/㎤인 다공질 탄소 기재.
- 삭제
- 무작위한 방향으로 분산되어 있는 탄소 단섬유와 상기 탄소 단섬유에 결착한 수지 탄화물을 포함하는 시트를 포함하고, 상기 시트는 세공을 갖고, 상기 세공 중 세공 직경이 10 ㎛ 이하인 세공의 상기 시트 단위 중량당의 용적이 0.05 내지 0.16 cc/g인 다공질 탄소 기재; 및 상기 기재에 부여된 발수성 물질을 포함하는 가스 확산체.
- 제1항에 기재된 다공질 탄소 기재의 적어도 한쪽면에 도전성을 갖는 가스 확산층이 형성되어 있는 가스 확산체.
- 제15항에 기재된 가스 확산체의 적어도 한쪽면에 도전성을 갖는 가스 확산층이 형성되어 있는 가스 확산체.
- 고체 고분자 전해질막과 상기 막의 양쪽 표면에 설치된 촉매 담지 탄소를 포함하는 촉매층과 상기 양쪽 촉매층에 접촉되어 설치된 가스 확산체를 포함하며, 상기 가스 확산체의 적어도 한쪽이 제15항에 기재된 가스 확산체인 막-전극 접합체.
- 고체 고분자 전해질막과; 상기 막의 양쪽 표면에 설치된 촉매 담지 탄소를 포함하는 촉매층과; 상기 양쪽 촉매층에 접촉되어 설치된 가스 확산체를 포함하며,상기 가스 확산체의 적어도 한쪽이 다공질 탄소 기재 및 상기 기재에 부여된 발수성 물질을 포함하며, 상기 다공질 탄소 기재는 무작위한 방향으로 분산되어 있는 탄소 단섬유와 상기 탄소 단섬유에 결착한 수지 탄화물을 포함하는 시트를 포함하고, 상기 시트는 세공을 갖고, 상기 세공 중 세공 직경이 10 ㎛ 이하인 세공의 상기 시트 단위 중량당의 용적이 0.05 내지 0.16 cc/g인,막-전극 접합체를 포함하는 연료 전지.
- 제15항에 있어서, 상기 다공질 탄소 기재의 두께가 0.10 내지 0.25 ㎜인 가스 확산체.
- 제15항에 있어서, 상기 다공질 탄소 기재의 공극율이 70 내지 90 %인 가스 확산체.
- 제15항에 있어서, 상기 탄소 단섬유의 평균 섬유 직경이 5 내지 20 ㎛인 가스 확산체.
- 제15항에 있어서, 상기 다공질 탄소 기재가 탄소질 분말을 포함하며, 상기 탄소질 분말의 입경이 0.01 내지 10 ㎛인 가스 확산체.
- 제15항에 있어서, 상기 다공질 탄소 기재가 탄소질 분말을 포함하며, 상기 탄소질 분말이 흑연 또는 카본 블랙의 분말인 가스 확산체.
- 제19항에 있어서, 상기 다공질 탄소 기재의 두께가 0.10 내지 0.25 ㎜인 연료 전지.
- 제19항에 있어서, 상기 다공질 탄소 기재의 공극율이 70 내지 90 %인 연료 전지.
- 제19항에 있어서, 상기 탄소 단섬유의 평균 섬유 직경이 5 내지 20 ㎛인 연료 전지.
- 제19항에 있어서, 상기 다공질 탄소 기재가 탄소질 분말을 포함하며, 상기 탄소질 분말의 입경이 0.01 내지 10 ㎛인 연료 전지.
- 제19항에 있어서, 상기 다공질 탄소 기재가 탄소질 분말을 포함하며, 상기 탄소질 분말이 흑연 또는 카본 블랙의 분말인 연료 전지.
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JPJP-P-2003-00084644 | 2003-03-26 | ||
JP2003087223 | 2003-03-27 | ||
JPJP-P-2003-00087223 | 2003-03-27 | ||
JPJP-P-2003-00334743 | 2003-09-26 | ||
JP2003334743A JP4389535B2 (ja) | 2003-09-26 | 2003-09-26 | 多孔質炭素基材ならびに該基材を用いてなるガス拡散体、膜−電極接合体および燃料電池 |
PCT/JP2004/004158 WO2004085728A1 (ja) | 2003-03-26 | 2004-03-25 | 多孔質炭素基材、その製造方法、ガス拡散体、膜-電極接合体、および、燃料電池 |
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US (1) | US7410719B2 (ko) |
EP (1) | EP1612313B1 (ko) |
KR (1) | KR101094566B1 (ko) |
CN (1) | CN100480451C (ko) |
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EP1612313A1 (en) | 2006-01-04 |
CA2520025C (en) | 2012-01-03 |
EP1612313B1 (en) | 2012-08-22 |
US20060180798A1 (en) | 2006-08-17 |
CN1764752A (zh) | 2006-04-26 |
CA2520025A1 (en) | 2004-10-07 |
KR20050116153A (ko) | 2005-12-09 |
WO2004085728A1 (ja) | 2004-10-07 |
CN100480451C (zh) | 2009-04-22 |
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