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Investigators at Yanshan University Report Findings in Fullerenes (Enhanced laser scribed flexible graphene-based micro-supercapacitor performance...

July 11, 2014



Investigators at Yanshan University Report Findings in Fullerenes (Enhanced laser scribed flexible graphene-based micro-supercapacitor performance with reduction of carbon nanotubes diameter)

By a News Reporter-Staff News Editor at Science Letter -- Investigators publish new report on Fullerenes. According to news reporting originating in Qinhuangdao, People's Republic of China, by NewsRx journalists, research stated, "By making use of the induced transformation of graphite oxide (GO) to laser scribed graphene (LSG), the coated layers of GO/carbon nanotubes (CNTs) hybrid powders on flexible polyethylene terephthalate sheets were patterned into LSG/CNTs micro-supercapacitors (LSG/CNTs-MSCs). In the presence of CNTs with a smaller diameter, the laser-scribed LSG/CNTs-MSC was found to yield the better energy storage performance."

The news reporters obtained a quote from the research from Yanshan University, "This dependence on the CNT diameter can be attributed to the role of CNTs in prevention of restacking of LSG layers and thus the increase of ion-accessible surface area. The CNTs with a smaller diameter can be more easily inserted between the LSG layers, thus inhibiting the restacldng phenomenon more effectively."

According to the news reporters, the research concluded: "By using the single-wall CNTs (SWCNTs) of 1-2 nm diameter, the laser-scribed LSG/SWCNTs-MSC was observed to exhibit the best electrochemical properties: The volumetric capacitance of 3.10 F cm(-3) at a current density of 1000 mA cm(-3), the volumetric energy density of 0.84 mW h cm(-3) and power density of 1.0W cm(-3), and long-term cycling stability."

For more information on this research see: Enhanced laser scribed flexible graphene-based micro-supercapacitor performance with reduction of carbon nanotubes diameter. Carbon, 2014;75():236-243. Carbon can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; Carbon - www.elsevier.com/wps/product/cws_home/258)

Our news correspondents report that additional information may be obtained by contacting F.S. Wen, Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, People's Republic of China. Additional authors for this research include C.X. Hao, J.Y. Xiang, L.M. Wang, H. Hou, Z.B. Su, W.T. Hu and Z.Y. Liu (see also Fullerenes).

Keywords for this news article include: Asia, Fullerenes, Qinhuangdao, Nanotechnology, Carbon Nanotubes, Emerging Technologies, People's Republic of China

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Science Letter


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