Preparation of potato starch-based carbon particles by low-temperature carbonization in oil

被引:7
作者
Xue, Zhonghua [1 ,2 ]
Chen, Peirong [1 ,3 ]
He, Lifang [1 ]
Zhang, Zhi [1 ,2 ]
Yang, Qi [1 ]
Cheng, Beijiu [3 ]
机构
[1] Anhui Agr Univ, Sch Sci, Dept Appl Chem, Hefei 230036, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Chem & Chem Engn, Dept Chem Proc, Hefei, Peoples R China
[3] Anhui Agr Univ, Dept Educ, Key Lab Biomass & Energy, Hefei 230036, Anhui, Peoples R China
关键词
Carbon particles; Starch; Microstructure; UNIFORM MESOPOROUS CARBON; HYDROTHERMAL CARBONIZATION; NANOPARTICLES; SPHERES;
D O I
10.3139/146.111295
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Potato starch-based carbon particles were prepared by low-temperature carbonization in methyl silicone oil at 220 degrees C for 15 h and subsequent carbonization at 600 degrees C for 1 hour under nitrogen. The as-prepared carbon particles were molded, and then heat-treated. The results confirmed that carbon particles could keep the original shape of the potato starch and exhibit high monodispersity with smooth surfaces. The size distribution of carbon particles ranged from 10 to 100 pm and the blocks molded from the carbon particles exhibited relatively superior mechanical strength with a flexural strength of 85.7 MPa. Additionally, it was found that the low-temperature carbonization in oil is crucial in the preparation of this kind of carbon particle.
引用
收藏
页码:1196 / 1201
页数:6
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