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research-article

Technical, economic, and environmental assessment of PEFC power generation system using surplus hydrogen produced from an oil refinery

[+] Author and Article Information
Takahide Haneda

Tokyo Gas Co.,Ltd Energy System Research Institute 1-7-7,Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, JapanTokyo University of Agriculture and Technology 2-24-16, Nakacho, Koganei, Tokyo, 184-8588, Japan
haneda@tokyo-gas.co.jp

Atsushi Akisawa

Tokyo University of Agriculture and Technology 2-24-16, Nakacho, Koganei, Tokyo, 184-8588, Japan
akisawa@cc.tuat.ac.jp

1Corresponding author.

ASME doi:10.1115/1.4036956 History: Received March 21, 2017; Revised June 01, 2017

Abstract

The potential of an energy system that comprises a hydrogen-fueled PEFC, a steam reformer and a hydrogen storage tank, using surplus hydrogen produced from an oil refinery was evaluated using a mathematical model based on linear programming. Based on the optimization results to minimize the system cost by optimizing the capacity of the hydrogen -fueled PEFC, the hydrogen production of steam reformer, the storage and release of hydrogen storage tank and CO2 reduction effect were calculated in relation to the power generation efficiency and the installation cost of the hydrogen -fueled PEFC. As a result, the conditions for the hydrogen-fueled PEFC where a system cost reduction could be achieved in the PEFC power generation system, compared with the conventional system, were clearly shown to be an initial cost lower than 3,000 $/kW for a power generation efficiency of 50 % or an initial cost lower than 5,000 $/kW for a power generation efficiency of 65 %.

Copyright (c) 2017 by ASME
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