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Direct power generation from methanol by solid oxide fuel cells with a Cu-ceria based catalyst layer

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  • Zhang, Panpan
  • Yang, Yanru
  • Yang, Zhibin
  • Peng, Suping

Abstract

In this work, Cu–CeO2 co-impregnated 8 mol.% Y2O3–ZrO2 (YSZ) has been synthesized and characterized as an integrated catalyst layer for methanol-fueled Ni-YSZ anode-supported solid oxide fuel cells (SOFCs). With the addition of the integrated catalyst layer, single cell fueled by methanol demonstrates 55.2% reduction of polarization resistance (from 0.67 to 0.30 Ω·cm2) and 42.32% incensement of peak power density (from 501 to 713 mW·cm−2) at 800 °C. Moreover, under constant current output mode, the cell with an integrated catalyst layer exhibits good stability for more than 45 h. The enhanced electrochemical performance proves that the integrated catalyst layer is helpful to catalytic the methanol fuel for Ni-YSZ anode-supported SOFCs. The reforming ability of the integrated catalyst layer for methanol is studied by analyzing the microstructural and composition of the anode and catalyst layer after the stability test. This work proves that the adding of an integrated catalyst layer is a promising strategy to directly utilize methanol for Ni-YSZ anode-supported SOFCs.

Suggested Citation

  • Zhang, Panpan & Yang, Yanru & Yang, Zhibin & Peng, Suping, 2022. "Direct power generation from methanol by solid oxide fuel cells with a Cu-ceria based catalyst layer," Renewable Energy, Elsevier, vol. 194(C), pages 439-447.
    • Handle: RePEc:eee:renene:v:194:y:2022:i:c:p:439-447
    DOI: 10.1016/j.renene.2022.05.089
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    References listed on IDEAS

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    1. Lv, Xiuqing & Chen, Huili & Zhou, Wei & Cheng, Fangqin & Li, Si-Dian & Shao, Zongping, 2020. "Direct-methane solid oxide fuel cells with an in situ formed Ni–Fe alloy composite catalyst layer over Ni–YSZ anodes," Renewable Energy, Elsevier, vol. 150(C), pages 334-341.
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