Electrochemical performance and stability of Sr-doped LaMnO_(3)-infiltrated yttria stabilized zirconia oxygen electrode for reversible solid oxide fuel cells

Hui Fan; Minfang Han

首页> 中文期刊> 《国际煤炭科学技术学报：英文版》 >Electrochemical performance and stability of Sr-doped LaMnO_(3)-infiltrated yttria stabilized zirconia oxygen electrode for reversible solid oxide fuel cells

Electrochemical performance and stability of Sr-doped LaMnO_(3)-infiltrated yttria stabilized zirconia oxygen electrode for reversible solid oxide fuel cells

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Porous Sr-doped lanthanum manganite–yttria stabilized zirconia(LSM–YSZ)oxygen electrode is prepared by an infiltration process for a reversible solid oxide fuel cell(RSOFC).X-ray diffraction and SEM analysis display that perovskite phase LSM submicro particles are evenly distributed in the porous YSZ matrix.Polarization curves and electrochemical impedance spectra are conducted for the RSOFC at 800 and 850C under both SOFC and SOEC modes.At 850°C,the single cell has the maximum power density of~726 mW/cm^(2)under SOFC mode,and electrolysis voltage of 1.35 V at 1 A/cm^(2)under SOEC mode.Fuel cell/water electrolysis cycle shows the cell has good performance stability during 6 cycles,which exhibits the LSM–YSZ oxygen electrode has high electrochemical performance and good stability.The results suggest that netw ork-like LSM–YSZ electrode made by infiltration process could be a promising oxygen electrode for high temperature RSOFCs.

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《国际煤炭科学技术学报：英文版》 |2014年第1期|P.56-61|共6页
作者
Hui Fan; Minfang Han;
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作者单位

Union Research Center of Fuel Cell School of Chemical&Environment Engineering China University of Mining&Technology(Beijing) Beijing 100083 China;

Union Research Center of Fuel Cell School of Chemical&Environment Engineering China University of Mining&Technology(Beijing) Beijing 100083 China;

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原文格式 PDF
正文语种 chi
中图分类 TM9;
关键词
Reversible solid oxide fuel cell; Solid oxide electrolysis cell; Infiltration; Strontium-doped lanthanum manganite;

Electrochemical performance and stability of Sr-doped LaMnO_(3)-infiltrated yttria stabilized zirconia oxygen electrode for reversible solid oxide fuel cells

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