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无机材料学报

无机材料学报

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熔融碳酸盐燃料电池隔膜用LiAlO2制备

李乃朝; 衣宝廉; 林化新; 孔连英; 张恩俊; 曲天锡; 程英才   

  1. 中国科学院大连化学物理研究所;大连 116011
  • 收稿日期:1996-01-31 修回日期:1996-03-20 出版日期:1997-04-20 网络出版日期:1997-04-20

Preparation of LiAlO2 used as Matrix Materials in Molten Carbonate Fuel Cells

LI Naichao; YI Baolian; LIN Huexin; KONG Lianying; ZHANG Enjun; QU Tianxi; CHENG Yingcai   

  1. DaIian Institute of ChemicaI Physics; Chinese Academy of Sciences Dalian 116011 China
  • Received:1996-01-31 Revised:1996-03-20 Published:1997-04-20 Online:1997-04-20

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摘要： 将Al2O3和Li2CO3混合，600～700℃高温焙烧制备熔融碳酸盐燃料电池隔膜用LiAlO2粉体．工业生产Al2O3颗粒粒度和堆密度大，制得的LiAlO2粉体较粗；有机金属化合物水解再脱水制备的Al2O3颗粒粒度和堆密度小，制得的LiAlO2粉体细．将LiAlO2与一定量的水溶性粘合剂和增塑剂混合，液压成膜，将膜与烧结Ni电极组装成电池，电池性能良好．

关键词: 熔融碳酸盐燃料电池, 隔膜材料, LiAlO2

Abstract: Al203 and Li2CO3 were mixcd and heated at 600~700℃ f0r producing LiAlO2 used as the matrixmaterials of the Molten Carbonate Fuel Cell. While ordinary Al2O3 was chosen as the reactant, because itsparticle size and bulk density were large, the fabricated particle size of LiAlO2 was large too. While Al2O3made from on organic compound was selected as the reactant, the fabricated particle size of LiAlO2 wassmall. The prepared LiAlO2 was mixed with water soluble binder and softener, and rolled into matrix. The pprepared matrix was assembled with sintered Ni to form a Molten Carbonate Fuel Cell. The experimental results showed that the cell performance was perfect.

Key words: molten carbonate fuel cell, matrix material, LiAlO2