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(
)
)
Bi2Mn4O10: Preparation by Polyacrylamide Gel Method and Electrochemical Performance
ZHAN Jing1,2,XU Changfan1,LONG Yiyu1,LI Qihou1()
)
图3. 不同热处理温度下所得产物SEM照片((a) 873 K, (b) 923 K, (c) 973 K), (d) XRD图谱, (e)作为负极材料在0.2C时的比容量循环性能以及873 K时产品的库伦效率曲线(0.1C活化3圈, 1C=800 mA/g)
Fig. 3. SEM images ((a) 873 K, (b) 923 K, (c) 973 K), (d) XRD patterns and (e) cycling performance at 0.2C of the products obtained with different heat treatment temperatures, and Coulombic efficiency of the product with heat-treatment temperature of 873 K (after three cycles at 0.1C, 1C=800 mA/g)
Molar ratio of acrylamide to total metal ions: 8 : 1, glucose concentrations of 1.11 mol/L, weight ratio of acrylamide to N,N’-methylene bisacrylamide: 5 : 1
