CuCo2O4-Gd0.1Ce0.9O1.95 as a Potential Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells

Lin Shao; Pengxiang Wang; Chengzhi Sun; Lishuang Fan; Naiqing Zhang; Kening Sun

doi:10.1002/celc.201600618

CuCo₂O₄-Gd_0.1Ce_0.9O_1.95 as a Potential Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells

Lin Shao, Pengxiang Wang, Chengzhi Sun, Lishuang Fan, Naiqing Zhang^*, Kening Sun

^*Corresponding author for this work

Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

CuCo₂O₄-Gd_0.1Ce_0.9O_1.95 (GDC) composite was investigated as a potentially promising cathode material for intermediate temperature solid oxide fuel cells (IT-SOFCs). The CuCo₂O₄-GDC composite cathodes were characterized via X-ray diffraction, scanning electron microscopy and thermal expansion. CuCo₂O₄-GDC composites exhibited a good chemical compatibility and thermal compatibility for each composition. Introduction of the GDC nanoparticles increased the length of TPBs and enhanced the electrochemical activities of the CuCo₂O₄-GDC composite cathode. The polarization resistance with addition of 60 wt.% of GDC showed the least value of 0.09 Ω cm² at 800 °C. The results demonstrated that CuCo₂O₄-GDC composite would be a promising cathode material for IT-SOFCs.

Original language	English
Pages (from-to)	252-255
Number of pages	4
Journal	ChemElectroChem
Volume	4
Issue number	2
DOIs	https://doi.org/10.1002/celc.201600618
Publication status	Published - 1 Feb 2017
Externally published	Yes

Keywords

CuCoO
Solid oxide fuel cell
composite cathode
spinel material

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10.1002/celc.201600618

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title = "CuCo2O4-Gd0.1Ce0.9O1.95 as a Potential Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells",

abstract = "CuCo2O4-Gd0.1Ce0.9O1.95 (GDC) composite was investigated as a potentially promising cathode material for intermediate temperature solid oxide fuel cells (IT-SOFCs). The CuCo2O4-GDC composite cathodes were characterized via X-ray diffraction, scanning electron microscopy and thermal expansion. CuCo2O4-GDC composites exhibited a good chemical compatibility and thermal compatibility for each composition. Introduction of the GDC nanoparticles increased the length of TPBs and enhanced the electrochemical activities of the CuCo2O4-GDC composite cathode. The polarization resistance with addition of 60 wt.% of GDC showed the least value of 0.09 Ω cm2 at 800 °C. The results demonstrated that CuCo2O4-GDC composite would be a promising cathode material for IT-SOFCs.",

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AU - Shao, Lin

AU - Wang, Pengxiang

AU - Sun, Chengzhi

AU - Fan, Lishuang

AU - Zhang, Naiqing

AU - Sun, Kening

PY - 2017/2/1

Y1 - 2017/2/1

N2 - CuCo2O4-Gd0.1Ce0.9O1.95 (GDC) composite was investigated as a potentially promising cathode material for intermediate temperature solid oxide fuel cells (IT-SOFCs). The CuCo2O4-GDC composite cathodes were characterized via X-ray diffraction, scanning electron microscopy and thermal expansion. CuCo2O4-GDC composites exhibited a good chemical compatibility and thermal compatibility for each composition. Introduction of the GDC nanoparticles increased the length of TPBs and enhanced the electrochemical activities of the CuCo2O4-GDC composite cathode. The polarization resistance with addition of 60 wt.% of GDC showed the least value of 0.09 Ω cm2 at 800 °C. The results demonstrated that CuCo2O4-GDC composite would be a promising cathode material for IT-SOFCs.

AB - CuCo2O4-Gd0.1Ce0.9O1.95 (GDC) composite was investigated as a potentially promising cathode material for intermediate temperature solid oxide fuel cells (IT-SOFCs). The CuCo2O4-GDC composite cathodes were characterized via X-ray diffraction, scanning electron microscopy and thermal expansion. CuCo2O4-GDC composites exhibited a good chemical compatibility and thermal compatibility for each composition. Introduction of the GDC nanoparticles increased the length of TPBs and enhanced the electrochemical activities of the CuCo2O4-GDC composite cathode. The polarization resistance with addition of 60 wt.% of GDC showed the least value of 0.09 Ω cm2 at 800 °C. The results demonstrated that CuCo2O4-GDC composite would be a promising cathode material for IT-SOFCs.

KW - CuCoO

KW - Solid oxide fuel cell

KW - composite cathode

KW - spinel material

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CuCo₂O₄-Gd_0.1Ce_0.9O_1.95 as a Potential Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells

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Keywords

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