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采用溶胶-凝胶技术与PS微球模板相结合,在铝基板上成功制备了亚微米连续蜂窝网状LiFePO4薄膜.采用XRD、SEM等测试手段对薄膜的组成及显微形貌进行了表征,研究了成膜工艺、涂膜方法及模板球直径等因素对薄膜形貌的影响规律,并对薄膜形成机理进行了初步探讨.结果表明,成膜过程中模板表面溶胶层与模板之间的作用力是影响薄膜结构的关键因素;对于600 nm PS球模板和200 nm PS球模板获得完好LiFePO4薄膜的最佳方法分别为浸渍提拉法和旋涂法.

参考文献

[1] 唐致远,邱瑞玲,腾国鹏,刘元刚.锂离子电池正极材料LiFePO4的研究进展[J].化工进展,2008(07):995-1000.
[2] 张慧,王殿龙,王崇.溶胶凝胶法制备磷酸亚铁锂的研究[J].电源技术,2010(08):786-789.
[3] Padhi AK.;Goodenough JB.;Nanjundaswamy KS. .PHOSPHO-OLIVINES AS POSITIVE-ELECTRODE MATERIALS FOR RECHARGEABLE LITHIUM BATTERIES[J].Journal of the Electrochemical Society,1997(4):1188-1194.
[4] He, P;Zhang, X;Wang, YG;Cheng, L;Xia, YY .Lithium-ion intercalation Behavior of LiFePO4 in aqueous and nonaqueous electrolyte solutions[J].Journal of the Electrochemical Society,2008(2):A144-A150.
[5] Chung S Y;Bloking J T;Chiang Y M .Electronically conductive phosphor-olivines as lithium storage electrodes[J].Nature Materials,2002,1(02):123.
[6] Youyong Liu;Chuanbao Cao .Enhanced electrochemical performance of nano-sized LiFePO_4/C synthesized by an ultrasonic-assisted co-precipitation method[J].Electrochimica Acta,2010(16):4694-4699.
[7] Kuwahara A;Suzuki S;Miyayama M .High-rate properties of LiFePO4/carbon composites as cathade materials for lithium-ion batteries[J].CERAMICS INTERNATIONAL,2008,34(04):863.
[8] Teng F;Santhanagopalan S;Lemmens R et al.In situ growth of LiFePO4 nanorod arry under hydrothermal condition[J].Solid State Sciences,2010,12(05):952.
[9] Viswanathan S. Saji;Young-Soo Kim;Tae-Hee Kim .One-dimensional (1D) nanostructured and nanocomposited LiFePO4: its perspective advantages for cathode materials of lithium ion batteries[J].Physical chemistry chemical physics: PCCP,2011(43):19226-19237.
[10] 王昌运,俞建长.模板法制备无机纳米中空球的研究进展[J].材料导报,2006(z1):43-44,51.
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