pISSN: 1976-4251
eISSN: 2233-4998
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CARBONLETT, vol. 25, no. 1, pp.117-121, 2018

DOI: http://dx.doi.org/ DOI:10.5714/CL.2018.25.117

Hierarchical porous carbon materials with ultrahigh specific surface area prepared from coal for supercapacitors

Peng Chang, Zhihong Qin

Affiliation: China University of Mining and Technology

Abstract: Supercapacitors are an excellent alternative to traditional methods of energy storage like batteries and dielectric capacitors, meanwhile coal as the most affordable and abundant energy resource currently, has also been commonly used as carbon source for electrode materials of supercapacitors. Considering the sustainable development of resource and environment protection, how to realize the utilization of coal with high ash matter cleanly and effectively, has become an important issue to researchers. Compared with the complicated, time-consuming and high cost traditional demineralization method, we creatively introduce extraction and back-extraction method to obtain the desired ash-free group componentloose medium component (LMC) from raw coal and adopt it as the precursor for preparation of hierarchical porous carbon materials (HPCs).


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