聚丙烯酰胺凝胶法制备Bi2Mn4O10及其电化学性能
湛菁1,2,徐昌藩1,龙怡宇1,李启厚1(
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Bi2Mn4O10: Preparation by Polyacrylamide Gel Method and Electrochemical Performance
ZHAN Jing1,2,XU Changfan1,LONG Yiyu1,LI Qihou1()
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图2. 不同葡萄糖浓度下所得产物的SEM照片((a) 0.28 mol/L, (b) 0.56 mol/L, (c)0.83 mol/L, (d) 1.11 mol/L), (e) XRD图谱, (f) 作为负极材料在0.2C时的比容量循环性能以及葡萄糖浓度为1.11 mol/L时产品的库伦效率曲线(0.1C活化3圈, 1C=800 mA/g)
Fig. 2. SEM images ((a) 0.28 mol/L, (b) 0.56 mol/L, (c) 0.83 mol/L, (d) 1.11 mol/L), (e) XRD patterns and (f) cycling performance at 0.2C of the products obtained with different glucose concentrations, and Coulombic efficiency of the product with 1.11 mol/L glucose (after three cycles at 0.1C, 1C=800 mA/g)
Molar ratio of acrylamide to total metal ions: 8 : 1; heat treatment temperature: 873 K; weight ratio of acrylamide to N,N’-methylene bisacrylamide of 5 : 1
