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Feasibility of activated carbon derived from anaerobic digester residues for supercapacitors
Journal of Power Sources ( IF 8.1 ) Pub Date : 2018-12-11 , DOI: 10.1016/j.jpowsour.2018.11.092
Ce Wang , Jin Wang , Wentao Wu , Jiang Qian , Shaomin Song , Zhengbo Yue

The question of how to recycle anaerobic digester residue is a critical issue for the anaerobic digestion process of lignocellulosic biomass. In the current study, anaerobic digester residue from a biogas plant for the treatment of cattle manure was utilized to prepare the activated carbon for supercapacitors. The effect of activation temperature on the specific surface area, pore size distribution, and electrochemical performance of activated carbon was investigated. Results show that activated carbon derived from anaerobic digester residue is feasible for supercapacitors. With an increase in activation temperature, the specific surface area of activated carbon first increases and then gradually decreases. Activated carbon obtained at 700 °C shows both high specific capacitance and excellent electrochemical cycle stability. The good capacitive performance confirms that anaerobic digested manure residue can act as an excellent carbonaceous material for high-performance supercapacitors.



中文翻译:

超级电容器的厌氧消化残渣衍生活性炭的可行性

对于木质纤维素生物质的厌氧消化过程而言,如何回收厌氧消化器残渣的问题是一个关键问题。在当前的研究中,利用沼气厂的厌氧消化池残渣处理牛粪,以制备用于超级电容器的活性炭。研究了活化温度对比表面积,孔径分布和活性炭电化学性能的影响。结果表明,来自厌氧消化器残渣的活性炭对于超级电容器是可行的。随着活化温度的升高,活性炭的比表面积首先增加,然后逐渐减小。在700°C下获得的活性炭显示出高的比电容和出色的电化学循环稳定性。

更新日期:2018-12-11
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