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    Thermoeconomic Optimization of a Solid Oxide Fuel Cell and Proton Exchange Membrane Fuel Cell Hybrid Power System

    Source: Journal of Fuel Cell Science and Technology:;2014:;volume( 011 ):;issue: 001::page 11005
    Author:
    Jun Tan, Ling
    ,
    Yang, Chen
    ,
    Zhou, Nana
    DOI: 10.1115/1.4025357
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A hybrid system that combines a solid oxide fuel cell (SOFC) with a proton exchange membrane fuel cell (PEMFC) is presented in this paper. The SOFC stack acts as both an electricity producer and the fuel reformer for the PEMFC stack to generate additional power. A thermoeconomic model for the design optimization of a 220 kW SOFCPEMFC hybrid system is developed in this work. Optimization of two objectives, i.e., the life cycle cost and the net electrical efficiency, are considered individually to find the optimum system configuration and component designs. Then, a multiparameter sensitivity analysis is performed to estimate the relative importance of the decision variables on the objectives. The optimization results indicate that the life cycle cost of the hybrid system is 3800–5,600 $/kW, and the maximum net electrical efficiency can reach around 63%, which is higher than an SOFConly system, a reformerPEMFC system, and an SOFCgas turbine (GT) system with a similar output power. The sensitivity analysis shows that minimizing the size of the SOFC is most crucial to the system cost optimization. The hydrogen utilization factor in the SOFC is found to be sensitive to the net electrical efficiency.
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      Thermoeconomic Optimization of a Solid Oxide Fuel Cell and Proton Exchange Membrane Fuel Cell Hybrid Power System

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    contributor authorJun Tan, Ling
    contributor authorYang, Chen
    contributor authorZhou, Nana
    date accessioned2017-05-09T01:08:58Z
    date available2017-05-09T01:08:58Z
    date issued2014
    identifier issn2381-6872
    identifier otherfc_011_01_011005.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/155103
    description abstractA hybrid system that combines a solid oxide fuel cell (SOFC) with a proton exchange membrane fuel cell (PEMFC) is presented in this paper. The SOFC stack acts as both an electricity producer and the fuel reformer for the PEMFC stack to generate additional power. A thermoeconomic model for the design optimization of a 220 kW SOFCPEMFC hybrid system is developed in this work. Optimization of two objectives, i.e., the life cycle cost and the net electrical efficiency, are considered individually to find the optimum system configuration and component designs. Then, a multiparameter sensitivity analysis is performed to estimate the relative importance of the decision variables on the objectives. The optimization results indicate that the life cycle cost of the hybrid system is 3800–5,600 $/kW, and the maximum net electrical efficiency can reach around 63%, which is higher than an SOFConly system, a reformerPEMFC system, and an SOFCgas turbine (GT) system with a similar output power. The sensitivity analysis shows that minimizing the size of the SOFC is most crucial to the system cost optimization. The hydrogen utilization factor in the SOFC is found to be sensitive to the net electrical efficiency.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThermoeconomic Optimization of a Solid Oxide Fuel Cell and Proton Exchange Membrane Fuel Cell Hybrid Power System
    typeJournal Paper
    journal volume11
    journal issue1
    journal titleJournal of Fuel Cell Science and Technology
    identifier doi10.1115/1.4025357
    journal fristpage11005
    journal lastpage11005
    identifier eissn2381-6910
    treeJournal of Fuel Cell Science and Technology:;2014:;volume( 011 ):;issue: 001
    contenttypeFulltext
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