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静电纺丝法制备La2CuO4纳米管阴极材料及其电化学性质研究

孙丽萍 ,  赵辉 ,  王文学 ,  李强 ,  霍丽华

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引用本文: 孙丽萍, 赵辉, 王文学, 李强, 霍丽华. 静电纺丝法制备La2CuO4纳米管阴极材料及其电化学性质研究[J]. 无机化学学报, 2014, 30(4): 757-762. doi: 10.11862/CJIC.2014.044 shu
Citation:  SUN Li-Ping, ZHAO Hui, WANG Wen-Xue, LI Qiang, HUO Li-Hua. Electrochemical Performance of La2CuO4 Nanotube Materials Prepared via Electrospinning Method[J]. Chinese Journal of Inorganic Chemistry, 2014, 30(4): 757-762. doi: 10.11862/CJIC.2014.044 shu

静电纺丝法制备La2CuO4纳米管阴极材料及其电化学性质研究

    通讯作者: 赵辉 zhaohui98@yahoo.com
  • 基金项目:

    国家自然科学基金(No.51072048,51102083)；黑龙江省杰出青年科学基金(JC201211) (No.51072048,51102083)；黑龙江省杰出青年科学基金(JC201211)

    黑龙江省自然科学基金(B201107)资助项目。 (B201107)

摘要: 采用静电纺丝法制备了一维管状中温固体氧化物燃料电池(ITSOFC)阴极材料La2CuO4。利用XRD、TG-DTA、FT-IR和SEM对材料的结构和微观形貌进行分析。研究表明,700℃烧结2h得到平均直径150纳米、形貌均一的La2CuO4纳米管。900℃烧结0.5h得到纳米管间连接充分并与电解质紧密接触的纤维电极。利用交流阻抗技术对电极的性能进行研究发现,La2CuO4纳米管阴极材料具有比粉体材料更优越的电极性能。纳米管阴极在700℃的极化电阻为1.03Ω·cm2,而同一组成粉体电极的极化电阻为1.61Ω·cm2；氧分压测试结果显示纳米管电极反应的速率控制步骤为电荷转移过程。

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  • 收稿日期:  2013-06-11
  • 网络出版日期:  2013-10-10
通讯作者: 陈斌, bchen63@163.com
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