共压共烧结法制备固体氧化物燃料电池及其结构性能分析

电化学（中英文） ›› 2004, Vol. 10 ›› Issue (3): 340-345.

共压共烧结法制备固体氧化物燃料电池及其结构性能分析

杨乃涛,孟波,于如军,谭小耀

山东理工大学化工学院,山东理工大学化工学院,山东理工大学化工学院,山东理工大学化工学院山东淄博255000石油大学(北京)化工学院,北京102249 ,山东淄博255000 ,山东淄博255000 ,山东淄博255000

收稿日期:2004-08-28 修回日期:2004-08-28 出版日期:2004-08-28 发布日期:2004-08-28

Fabrication of Solid Oxide Fuel Cells and Analysis of Their Structure and Performance

YANG Nai-tao~

(*1,2), MENG Bo~(1), YU Ru-jun~(1), TAN Xiao-yao~(1) (1.College of Chemical Engineering, Shandong University of Technology, Zibo 255000,China, 2.College of Chemical engineering, Petrol University, Beijing 102249,China

Received:2004-08-28 Revised:2004-08-28 Published:2004-08-28 Online:2004-08-28

摘要/Abstract

摘要： 　用共压共烧结法制备以Ce0.8Gd0.2O1.9(CGO)作电解质的中温固体氧化物燃料电池,其中CGO和阴极材料La0.6Sr0.4Co0.2Fe0.8O3-α(LSCF)由溶胶凝胶法合成.实验表明,,由共压共烧结法制备的上述材料组装的电池具有致密的电解质层,且与电极的结合非常紧密,测得的最大输出功率0.14W/cm2,相应的操作温度为650℃,电流密度为307mA/cm2.该电池的电化学过程为内阻和浓差极化联合控制,使用造孔剂可改善阳极基底的孔隙结构,降低浓差极化过电位.

关键词: 固体氧化物燃料电池, CeO2, 共压共烧结

Abstract: An intermediate temperature solid oxide fuel cell (IT-SOFC) was fabricated by co-copressing-sintering methods, and the electrolyte of Ce_(0.8)Gd_(0.2)O_(1.9) (CGO) and cathode materials of La_(0.6)Sr_(0.4)Co_(0.2)Fe_(0.8)O_(3-α) (LSCF) were prepared by sol-gel method. The effect of preparation methods on the microstructure of the prepared fuel cells was analyzed by SEM . It shows that the cells prepared by the co-pressing/co-sintering method possess a dense electrolyte layer and a compact interface between electrolyte and anode but a curved configuration, while those prepared by the colloidal technique have a flat configuration but the electrolyte layer is not dense enough. The maximum output power density of the cell prepared by co-pressing/co-sintering method attains up to 0.14 W/cm~(2) at 650 ℃ with the corresponding electrical current density of 307 mA/cm~(2). The electrically chemical process of the cell operation is controlled by both the internal ohmic resistance and the concentration polarization.

Key words: Solid oxide fuel cell, CeO_(2) Co-repressing, Co-sintering

中图分类号:

TM911.4

杨乃涛,孟波,于如军,谭小耀. 共压共烧结法制备固体氧化物燃料电池及其结构性能分析[J]. 电化学（中英文）, 2004, 10(3): 340-345.

YANG Nai-tao~. Fabrication of Solid Oxide Fuel Cells and Analysis of Their Structure and Performance[J]. Journal of Electrochemistry, 2004, 10(3): 340-345.

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链接本文: https://electrochem.xmu.edu.cn/CN/

https://electrochem.xmu.edu.cn/CN/Y2004/V10/I3/340

参考文献

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