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Synthesis and Characterization of LiNi0.85Co0.15-xAlxO2 as Cathode Materials for Lithium-ion Batteries

Xianjun ZHU , Pingchu CHEN , Hui ZHAN , Yunhong ZHOU , null

材料科学技术(英文)

LiNi0.85Co0.15-xAlxO2 samples (x=0.025, 0.05 and 0.10) were prepared by solid state reaction at 725℃ for 24 h from LiOH•H2O, Ni2O3, Co2O3 and Al(OH)3 under oxygen flow. Layered LiNiO2 simultaneously doped by Co-Al has been tried to improve the cathode performance. The results showed that substitutio...

关键词: Cathode materials , 共掺杂 , LiNi0.85Co0.15-xAlxO2 ,

Co掺杂TiO2光催化剂的研究

段萍 , 罗玉萍 , 刘健梅 , 朱忠其 , 柳清菊

功能材料 doi:10.3969/j.issn.1001-9731.2014.12.014

采用溶胶-凝胶法制备了Co掺杂TiO2粉体(Co-TiO2),采用 XRD、FT-Raman、UV-Vis、PL 等方法对其进行表征和分析。结果表明,Co 掺杂降低了TiO2的相转变温度,拓展了 TiO2对可见光的吸收范围,有效地抑制了光生电子-空穴对的复合。光催化降解亚甲基蓝(MB)的实验表明,n...

关键词: 纳米TiO2 , Co掺杂 , 光催化