KR102755821B1 - 평면 고체 산화물 연료 유닛 셀 및 스택 - Google Patents
평면 고체 산화물 연료 유닛 셀 및 스택 Download PDFInfo
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- KR102755821B1 KR102755821B1 KR1020237004768A KR20237004768A KR102755821B1 KR 102755821 B1 KR102755821 B1 KR 102755821B1 KR 1020237004768 A KR1020237004768 A KR 1020237004768A KR 20237004768 A KR20237004768 A KR 20237004768A KR 102755821 B1 KR102755821 B1 KR 102755821B1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Description
도 1은 본 기술에 따른 비-제한적인 대표적 고체 산화물 연료 셀 스택 어셈블리를 통해 취해진 개략적인 측 단면도를 묘사한다.
도 2a는 본 기술에 따른 비-제한적인 대표적 전해질 지지형 고체 산화물 연료 셀을 통해 취해진 개략적인 측 단면도를 묘사한다.
도 2b는 본 기술에 따른 비-제한적인 대표적 애노드 지지형 고체 산화물 연료 셀을 통해 취해진 개략적인 측 단면도를 묘사한다.
도 2c는 본 기술에 따른 비-제한적인 대표적 금속 지지형 고체 산화물 연료 셀을 통해 취해진 개략적인 측 단면도를 묘사한다.
도 3a는 본 기술에 따른 비-제한적인 대표적 성형 판 상호 연결부의 개략도를 묘사한다.
도 3b는 본 기술에 따른 비-제한적인 대표적 고체 산화물 연료 셀 스택 어셈블리를 통해 취해진 개략적인 측 단면도를 묘사한다.
도 4는 본 기술에 따른 비-제한적인 대표적 고체 산화물 연료 셀 스택 어셈블리를 통해 취해진 개략적인 측 단면도를 묘사한다.
도 5는 본 기술에 따른 고체 산화물 연료 셀 스택 어셈블리의 대표적인 가스 흐름 경로들의 개략도를 묘사한다.
도 6은 본 기술에 따른 고체 산화물 연료 셀 스택 어셈블리의 대표적인 가스 흐름 경로들의 개략도를 묘사한다.
도 7은 본 기술에 따른 비-제한적인 대표적 고체 산화물 연료 셀 시스템의 개략도를 묘사한다.
구성요소 | 체적(㎤) | 밀도(g/㎤) | 특정 열 용량(J/g℃) | 열 질량(J/℃) | 질량(g) |
SOFC(2000) | 4.0 | 6.01 | 0.6 | 14.5 | 24.2 |
스페이서 판(1100) | 14.6 | 8.96 | .385 | 50.3 | 130.7 |
애노드 흐름 판 (1200) |
10.2 | 8.96 | .385 | 35.0 | 91.0 |
캐소드 흐름 판 (1300) |
9.9 | 8.96 | .385 | 34.2 | 88.7 |
성형 판 상호 연결부(3520) |
1.4 | 8.96 | .385 | 4.9 | 12.8 |
성형 판 상호 연결부(1530) |
1.4 | 8.96 | .385 | 4.9 | 12.8 |
열 판들 및 상호 연결부들에 대한 총수(합계) | 37.5 | 129.4 | 336.1 |
구성요소 | 체적(㎤) | 밀도 (g/㎤) |
특정 열 용량(J/g℃) | 열 질량(J/g℃) | 질량(g) |
분리기 라이닝 판(4710) | 5.2 | 8.8 | .427 | 19.2 | 45.8 |
애노드 흐름 라이닝 판(4720) | 5.1 | 8.8 | .427 | 19.2 | 44.9 |
캐소드 흐름 라이닝 판(4730) | 5.1 | 8.8 | .427 | 19.2 | 44.9 |
라이닝 판들에 대한 총 수(합계) | 15.4 | 57.9 | 135.5 |
구성요소 | A = 단면적(㎠) | d = 두께(㎝) | A/d(m) | k(W/mㆍK) | Ak/d(W/K) |
스페이서 판(1100) | 44.9 | .325 | 1.38 | 401 | 553 |
애노드 흐름 판 (1200) |
118 | .086 | 13.7 | 401 | 5493 |
캐소드 흐름 판 (1300) |
115 | .086 | 13.4 | 401 | 5373 |
분리기 라이닝 판(4710) | 127 | .041 | 30.9 | 26 | 803 |
애노드 흐름 라이닝 판(4720) | 126 | .041 | 30.7 | 26 | 798 |
캐소드 흐름 라이닝 판(4730) | 126 | .041 | 30.7 | 26 | 798 |
Claims (21)
- SOFC(Solid Oxide Fuel Cell) 유닛으로서,
서로 인접하여 적층되고 셀 챔버를 둘러싸는 체적부를 정의하는 복수의 스택 유닛; 및
SOFC 유닛 작동 온도에서 작동하는 동안 전기 화학 에너지 생성을 위해 구성되는 셀 챔버 내의 애노드 및 캐소드를 포함하고;
상기 셀 챔버의 경계 표면으로부터 열 전도성 경로가 연장되고; 그리고
상기 체적부는 100 W/mK 이상의 열 전도 계수를 가진 구리, 몰리브덴, 알루미늄 및 니켈 중 하나 이상을 포함하는 재료를 포함하는, SOFC 유닛. - 제1항에 있어서, 상기 복수의 스택 유닛은 상기 셀 챔버의 측면 및 바닥을 둘러싸는 상기 체적부의 제1 부분을 정의하는 제1 스택 유닛 및 상기 셀 챔버의 상단을 둘러싸는 상기 체적부의 제2 부분을 정의하는 제2 스택 유닛을 포함하는, SOFC 유닛.
- 제1항에 있어서, 상기 체적부의 열 질량은 상기 체적부를 상기 SOFC 유닛의 작동 온도보다 낮은 온도로 유지하도록 형성되는, SOFC 유닛.
- 제1항에 있어서, 상기 체적부의 열 질량은, 500 내지 1200℃의 SOFC 유닛의 작동 온도 범위에 걸쳐 상기 체적부의 온도를 1000℃ 이하로 유지하도록 형성되는, SOFC 유닛.
- 제1항에 있어서, 상기 체적부는 열 전도 계수가 200 W/mK 이상인 구리를 포함하는, SOFC 유닛.
- 제1항에 있어서, 상기 체적부는 열 전도 계수가 165 W/mK 이상인 알루미늄을 포함하는, SOFC 유닛.
- 제1항에 있어서, 평면형 고체 애노드 전극 층과 평면형 고체 캐소드 전극 층 사이에 끼워진 평면형 고체 전해질 층을 포함하는, SOFC 유닛.
- 제7항에 있어서, 상기 평면형 고체 애노드 전극 층과 상기 평면형 고체 캐소드 전극 층 사이에 끼워진 평면형 고체 전해질 층이 유닛 셀 내부에서 유연하게 지지되는, SOFC 유닛.
- 제2항에 있어서, 상기 셀 챔버는:
애노드 가스 공급 챔버;
캐소드 가스 공급 챔버;
애노드 가스 흐름을 상기 애노드 가스 공급 챔버로 전달하기 위해 애노드 가스 매니폴드로부터 연장되는 애노드 가스 유입구 채널;
캐소드 가스 흐름을 상기 캐소드 가스 공급 챔버로 전달하기 위해 캐소드 가스 매니폴드로부터 연장되는 캐소드 가스 유입구 채널;
상기 애노드 가스 공급 챔버로부터 애노드 가스의 흐름을 제거하기 위해 상기 애노드 가스 공급 챔버로부터 배출 가스 매니폴드로 연장되는 애노드 가스 유출구 통로;
상기 애노드 가스 공급 챔버로부터 캐소드 가스의 흐름을 제거하기 위해 상기 캐소드 가스 공급 챔버로부터 배기 가스 매니폴드로 연장되는 캐소드 가스 유출구 통로;를 포함하고,
상기 애노드 가스 유입구 채널, 상기 애노드 가스 매니폴드, 상기 애노드 가스 유출구 통로, 상기 캐소드 가스 유입구 채널, 상기 캐소드 가스 매니폴드, 상기 캐소드 가스 유출구 통로 및 상기 배기 가스 매니폴드 각각은 상기 체적부를 통과하는, SOFC 유닛. - 제9항에 있어서, 상기 캐소드 가스 공급 챔버로부터 배출되는 배출 가스와 상기 애노드 가스 공급 챔버로부터 배출되는 배출 가스의 혼합물을 연소시키기 위해 상기 체적부 내에 형성되는 배출 가스 연소 챔버를 더 포함하는, SOFC 유닛.
- 제9항에 있어서,
애노드 가스 공급 챔버의 둘레 에지를 밀봉하는 제1 요소; 및
캐소드 가스 공급 챔버의 둘레 에지를 밀봉하는 제2 요소를 더 포함하는, SOFC 유닛. - 제11항에 있어서, 제1 및 제2 밀봉 요소 각각은 탄성 계수가 0.3 MPa 이하인 유연하고 느슨한 섬유 매트릭스를 포함하는, SOFC 유닛.
- 제9항에 있어서,
상기 애노드 가스 공급 챔버에 배치된 제1 상호 연결 요소; 및
상기 캐소드 가스 공급 챔버에 배치된 제2 상호 연결 요소를 더 포함하는, SOFC 유닛. - 제13항에 있어서, 상기 제1 및 제2 상호 연결 요소는 동일하고, 각각 다공성 메쉬 또는 폼을 포함하는, SOFC 유닛.
- 제13항에 있어서, 상기 제1 및 제2 상호 연결 요소 중 적어도 하나는 각각 베이스 부분과 그 베이스 부분으로부터 연장되는 복수의 탭 부분을 포함하도록 금속 판으로 형성된 요소를 포함하는, SOFC 유닛.
- 서로 인접하여 배열된 청구항 제13항의 복수의 SOFC 유닛을 포함하고, 각 SOFC 유닛의 상기 체적부가 서로 인접한 복수의 SOFC 유닛 사이로 연장되는 열 전도성 경로를 제공하는 연료 셀 장치.
- 제1항에 있어서, 상기 셀 챔버의 경계 표면으로부터 연장되는 상기 체적부는 상기 셀 챔버를 완전히 둘러싸는, SOFC 유닛.
- 서로 인접하여 적층된 복수의 스택 유닛을 포함하고 셀 챔버를 둘러싸는 체적부를 정의하는 SOFC 유닛을 제공하는 것;
SOFC 작동 온도에서 작동하는 동안 전기 화학 에너지 생성을 위해 구성된 애노드 층과 캐소드 층 사이에 끼워진 고체 전해질 층을 셀 챔버 내에 제공하는 것을 포함하고,
상기 체적부는 셀 챔버의 경계 표면으로부터 연장되는 열 전도성 경로를 용이하게 하고; 그리고
상기 체적부는 100 W/mK 이상의 열 전도 계수를 가진 구리, 몰리브덴, 알루미늄 및 니켈 중 하나 이상을 포함하는 재료로 형성되는, 방법. - 제18항에 있어서, 500 내지 1200℃의 SOFC 유닛의 작동 온도 범위에서 상기 체적부를 1000℃ 이하로 유지하도록 구성된 열 질량을 가지는 체적부를 형성하는 것을 더 포함하는, 방법.
- 삭제
- 제18항에 있어서, 상기 체적부의 재료의 열 전도 계수가 165 W/mK 이상인, 방법.
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