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Variant analysis of the efficiency of industrial scale power station based on DC-SOFCs and DC-MCFCs

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  • Kupecki, Jakub
  • Skrzypkiewicz, Marek
  • Motylinski, Konrad

Abstract

The concept of direct carbon fuel cell (DCFC) can be realized using different types of fuel cells. The most important advances were achieved for solid oxide fuel cells or molten carbonate fuel cells, DC-SOFC and DC-MCFC, respectively. Utilization of solid fuels, such as coal, char or biochar in high temperature electrochemical reaction offers a great potential in terms of the electric efficiency. While in conventional gas-fed fuel cells the transference number is equal 2, the electrochemical oxidation of solid fuel - in theory - can be realized with ion transfer number of 4. In the current study several configurations of DCFC systems based on SOFCs and MCFCs were analysed. The focus was on determining the efficiency for systems with different methods of delivering the fuel and alternative post-combustion systems. The article presents variant analysis of eight configurations of power plants based on DCFCs. The modified parameters included the cell voltage, effective transference number and the fuel utilization. Each configuration is presented and discussed.

Suggested Citation

  • Kupecki, Jakub & Skrzypkiewicz, Marek & Motylinski, Konrad, 2018. "Variant analysis of the efficiency of industrial scale power station based on DC-SOFCs and DC-MCFCs," Energy, Elsevier, vol. 156(C), pages 292-298.
    • Handle: RePEc:eee:energy:v:156:y:2018:i:c:p:292-298
    DOI: 10.1016/j.energy.2018.05.078
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    Cited by:

    1. Szczęśniak, Arkadiusz & Milewski, Jarosław & Szabłowski, Łukasz & Bujalski, Wojciech & Dybiński, Olaf, 2020. "Dynamic model of a molten carbonate fuel cell 1 kW stack," Energy, Elsevier, vol. 200(C).
    2. Cai, Weizi & Cao, Dan & Zhou, Mingyang & Yan, Xiaomin & Li, Yuzhi & Wu, Zhen & Lü, Shengping & Mao, Caiyun & Xie, Yongmin & Zhao, Caiwen & Yu, Jialing & Ni, Meng & Liu, Jiang & Wang, Hailin, 2020. "Sulfur-tolerant Fe-doped La0·3Sr0·7TiO3 perovskite as anode of direct carbon solid oxide fuel cells," Energy, Elsevier, vol. 211(C).
    3. Szczęśniak, Arkadiusz & Milewski, Jarosław & Dybiński, Olaf & Futyma, Kamil & Skibiński, Jakub & Martsinchyk, Aliaksandr, 2023. "Dynamic simulation of a four tank 200 m3 seasonal thermal energy storage system oriented to air conditioning at a dietary supplements factory," Energy, Elsevier, vol. 264(C).

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