Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Well-to-Wheel Greenhouse Gas Emissions Analysis of Hydrogen Fuel Cell Vehicle - Hydrogen Produced by Naphtha Cracking

나프타 기반 수소 연료전지 자동차의 전과정 온실가스 발생량 분석

  • Kim, Myoungsoo (Department of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Yoo, Eunji (Department of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Song, Han Ho (Department of Mechanical & Aerospace Engineering, Seoul National University)
  • 김명수 (서울대학교 기계항공공학부 어드밴스드 에너지 시스템 연구실) ;
  • 유은지 (서울대학교 기계항공공학부 어드밴스드 에너지 시스템 연구실) ;
  • 송한호 (서울대학교 기계항공공학부 어드밴스드 에너지 시스템 연구실)
  • Received : 2016.11.24
  • Accepted : 2017.01.05
  • Published : 2017.03.01
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Abstract

The Fuel Cell Electric Vehicle(FCEV) is recently evolving into a new trend in the automobile industry due to its relatively higher efficiency and zero greenhouse gas(GHG) emission in the tailpipe, as compared to that of the conventional internal combustion engine vehicles. However, it is important to analyze the whole process of the hydrogen's life cycle(from extraction of feedstock to vehicle operation) in order to evaluate the environmental impact of introducing FCEV upon recognizing that the hydrogen fuel, which is used in the fuel cell stack, is not directly available from nature, but instead, it should be produced from naturally available resources. Among the various hydrogen production methods, ${\sim}54.1%^{8)}$ of marketed hydrogen in Korea is produced from naphtha cracking process in the petrochemical industry. Therefore, in this study, we performed a well-to-wheels(WTW) analysis on the hydrogen fuel cycle for the FCEV application by using the GREET program from the US Argonne National Laboratory with Korean specific data. As a result, the well-to-tank and well-to-wheel GHG emissions of the FCEV are calculated as 45,638-51,472 g $CO_2eq/GJ$ and 65.0-73.4 g $CO_2eq/km$, respectively

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References

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