层次LiCoO2作为锂离子电池的正极材料,多以固态煅烧和液相合成为主.本文采用软溶胶-凝胶技术在浓LiOH溶液中一步合成LiCoO2薄膜.由XRD、SEM、AAS等测试方法可知LiCoO2晶体结构好,薄膜致密、无明显的孔隙和缺陷,其厚度为30μm.作者还对薄膜形成机理作了一定的探讨.合成薄膜的条件是:4MLiOH液、100℃的饱和蒸气压、电流密度为0～10mA/cm2、20h.
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