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http://dx.doi.org/10.7467/KSAE.2017.25.2.157

Well-to-Wheel Greenhouse Gas Emissions Analysis of Hydrogen Fuel Cell Vehicle - Hydrogen Produced by Naphtha Cracking  

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)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.25, no.2, 2017 , pp. 157-166 More about this Journal
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
Keywords
Well-to-wheel analysis; Hydrogen; FCEV; Naphtha cracking; Greenhouse gas;
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