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논문 기본 정보

자료유형
학술저널
저자정보
김건용 (고등기술연구원) 노재학 (E-순환거버넌스) 김다연 (한국청정수소진흥연구원) 이재영 (인하대학교) 황용우 (인하대학교)
저널정보
한국기후변화학회 한국기후변화학회지 Journal of Climate Change Research Vol.16 No.2
발행연도
2025.4
수록면
243 - 253 (11page)
DOI
10.15531/KSCCR.2025.16.2.243

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초록· 키워드

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This study proposes a method for estimating life cycle greenhouse gas (GHG) emissions of a hydrogen fuel cell house using the Life Cycle Assessment (LCA) framework. Subsequently, a case analysis based on the proposed method was conducted to assess the GHG reduction potential of a hydrogen fuel cell house. To establish the life cycle GHG estimation method, international and domestic LCA-related standards, guidelines, and prior studies were reviewed. The method was evaluated in three sequential components: system boundary definition, data collection, and GHG calculation. The system boundary was established following the modular approach outlined in EN 15804. Data collection was based on case studies from domestic and international research as well as BOM (Bill of Materials) from hydrogen fuel cell house demonstration sites. The GHG calculation involved the formulation of estimation equations for individual items and the identification of applicable databases. Using the proposed method, the life cycle GHG emissions of a hydrogen fuel cell house utilizing reformer-based hydrogen were calculated to be 1.33E+03 kgCO₂-eq/m². A comparative analysis revealed that a hydrogen fuel cell house using clean hydrogen achieved a 20.3% reduction in life cycle GHG emissions compared to the reformer-based hydrogen house and a 19.2% reduction compared to conventional houses. The results indicate that hydrogen fuel cell houses offer emission reduction benefits, but their environmental impact is significantly influenced by the hydrogen production method. Additionally, the study highlights the importance of the transition of conventional houses to hydrogen fuel cell houses and the supply of low-carbon hydrogen for maximizing GHG reduction potential. These findings provide valuable insights for sustainable development of hydrogen-based residential energy systems and contribute to policy discussions on carbon-neutral urban infrastructure

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ABSTRACT
1. 서론
2. 국내외 전과정 온실가스 산정방법론 및 연구사례 분석
3. 수소연료전지 주택의 전과정 온실가스 산정 방법
4. 사례 분석
5. 결론
Reference

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