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1. 不同丙烯酰胺与总金属离子摩尔比下所得产物的SEM照片((a) 2 : 1, (b) 4 : 1, (c) 6 : 1, (d) 8 : 1), (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摩尔比为8 : 1时产品的库伦效率曲线(0.1C活化3圈, 1C=800 mA/g)
Fig. 1. SEM images ((a) 2 : 1, (b) 4 : 1, (c) 6 : 1, (d)8 : 1), (e) XRD patterns and (f) cycling performance at 0.2C of the products obtained with different molar ratios of acrylamide to total metal ions, and Coulombic efficiency of the product with molar ratio of acrylamide to total metal ions of 8 : 1 (after 3 cycles at 0.1C, 1C=800 mA/g)
Glucose concentrations: 1.11 mol/L, heat treatment temperature: 873 K, weight ratio of acrylamide to N,N’-methylene bisacrylamide: 5 : 1
