Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells

Wang, Lizhong; Peng, Lu; Hu, Michael Z.; Lü, Shiquan; Meng, Xiangwei; Yu, Bo; Wei, Maobin; Fan, Hougang; Yang, Lili

doi:10.1016/j.ceramint.2015.08.059

Title: Performances of YBaCo_1.4Cu_0.6O_5+δ–Ce_0.8Sm_0.2O_1.9 composite cathodes for intermediate-temperature solid oxide fuel cells

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Abstract

In this study, the electrochemical properties of YBaCo_1.4Cu_0.6O_5+δ^–Ce_0.8Sm_0.2O_1.9 (YBCC–xSDC, x=20, 30, 40, 50 wt%) have been investigated for the potential application in intermediate-temperature solid oxide fuel cells (IT-SOFCs). No chemical reactions between YBCC cathode and SDC electrolyte, and YBCC and La_0.9Sr_0.1Ga_0.8Mg0.2O_3-δ (LSGM) occur. The thermal expansion coefficient (TEC) of YBCC cathode decreases with SDC addition. The TEC of YBCC–30SDC cathode is 13.60×10^-6 K^-1 from 30 to 850 °C in air and it exhibits the best electrochemical performance among the YBCC–xSDC cathodes. The polarization resistance (R_p) of YBCC–30SDC is 0.027 Ω cm² at 850 °C, 0.044 Ω cm² at 800 °C and 0.075 Ω cm² at 750 °C. The maximum power density value of electrolyte-based cell with YBCC–30SDC cathode is 662, 483 and 319 mW cm^-2 at 850, 800 and 750 °C, respectively. Lastly, preliminary results indicate that YBCC–30SDC is especially promising as a cathode for IT-SOFCs.

Authors:

Wang, Lizhong ^[1]; Peng, Lu ^[1]; Hu, Michael Z. ^[2]; Lü, Shiquan ^[1]; Meng, Xiangwei ^[1]; Yu, Bo ^[1]; Wei, Maobin ^[1]; Fan, Hougang ^[1]; Yang, Lili ^[1]

Jilin Normal Univ., Siping (China). Key Lab. of Functional Materials Physics and Chemistry of the Ministry of Education; Jilin Normal Univ., Siping (China). College of Information Technology
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)

Publication Date:: Thu Aug 20 00:00:00 EDT 2015

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE; Program for the Development of Science and Technology of Jilin Province (China); Twentieth Five-Year Program for Science and Technology of Education Department of Jilin Province (China); Program for the Development of Science and Technology of Siping City (China); Program for New Century Excellent Talents in University (China)

OSTI Identifier:: 1265633

Alternate Identifier(s):: OSTI ID: 1327636

Grant/Contract Number:: AC05-00OR22725; 20140520103JH; 20130447; 2012036; NCET-13-0824

Resource Type:: Accepted Manuscript

Journal Name:: Ceramics International

Additional Journal Information:: Journal Volume: 41; Journal Issue: 10A; Journal ID: ISSN 0272-8842

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; Solid oxide fuel cell; Thermal expansion coefficient; Composite cathode; Cathodic polarization

Citation Formats


                    Wang, Lizhong, Peng, Lu, Hu, Michael Z., Lü, Shiquan, Meng, Xiangwei, Yu, Bo, Wei, Maobin, Fan, Hougang, and Yang, Lili. Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells.  United States: N. p., 2015. 
Web.  doi:10.1016/j.ceramint.2015.08.059.

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                    Wang, Lizhong, Peng, Lu, Hu, Michael Z., Lü, Shiquan, Meng, Xiangwei, Yu, Bo, Wei, Maobin, Fan, Hougang, & Yang, Lili. Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells.  United States.  https://doi.org/10.1016/j.ceramint.2015.08.059

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                    Wang, Lizhong, Peng, Lu, Hu, Michael Z., Lü, Shiquan, Meng, Xiangwei, Yu, Bo, Wei, Maobin, Fan, Hougang, and Yang, Lili. Thu .  
"Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells".  United States.  https://doi.org/10.1016/j.ceramint.2015.08.059.  https://www.osti.gov/servlets/purl/1265633.

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@article{osti_1265633,

  title        = {Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells},

  author       = {Wang, Lizhong and Peng, Lu and Hu, Michael Z. and Lü, Shiquan and Meng, Xiangwei and Yu, Bo and Wei, Maobin and Fan, Hougang and Yang, Lili},

  abstractNote = {In this study, the electrochemical properties of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 (YBCC–xSDC, x=20, 30, 40, 50 wt%) have been investigated for the potential application in intermediate-temperature solid oxide fuel cells (IT-SOFCs). No chemical reactions between YBCC cathode and SDC electrolyte, and YBCC and La0.9Sr0.1Ga0.8Mg0.2O3-δ (LSGM) occur. The thermal expansion coefficient (TEC) of YBCC cathode decreases with SDC addition. The TEC of YBCC–30SDC cathode is 13.60×10-6 K-1 from 30 to 850 °C in air and it exhibits the best electrochemical performance among the YBCC–xSDC cathodes. The polarization resistance (Rp) of YBCC–30SDC is 0.027 Ω cm2 at 850 °C, 0.044 Ω cm2 at 800 °C and 0.075 Ω cm2 at 750 °C. The maximum power density value of electrolyte-based cell with YBCC–30SDC cathode is 662, 483 and 319 mW cm-2 at 850, 800 and 750 °C, respectively. Lastly, preliminary results indicate that YBCC–30SDC is especially promising as a cathode for IT-SOFCs.},

  doi          = {10.1016/j.ceramint.2015.08.059},

  journal      = {Ceramics International},

  number       = 10A,

  volume       = 41,

  place        = {United States},

  year         = {Thu Aug 20 00:00:00 EDT 2015},

  month        = {Thu Aug 20 00:00:00 EDT 2015}

}

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Title: Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells

Abstract

Citation Formats

Title: Performances of YBaCo_1.4Cu_0.6O_5+δ–Ce_0.8Sm_0.2O_1.9 composite cathodes for intermediate-temperature solid oxide fuel cells