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Since sensors could be used for detecting multiple forms of mechanical deformations, we present a simple method for fabricating highly sensitive strain sensors using a conductive graphene/polymer sponge which is self-assembled by graphene flakes in the porous structure of the sponge. The graphene composite sponges exhibit outstanding electromechanical properties and can be processed into different...
Carbon materials mainly act as the electrode in a vanadium redox flow battery (VRFB). Due to the poor electrochemical activity of traditional carbon materials for vanadium redox reactions, a comprehensive study of the electrochemical activity of carbon materials, especially graphite felt (GF), is greatly needed and has become an important feature of electrode research. This paper presents research...
Graphene oxide (GO) was functionalized by acetyl chloride to form carboxylated graphene oxide (GO-COOH). GO-COOH decorated with La particles with diameters between 0.2 and 1μm was prepared by the sonication of a LaCl 3 aqueous solution with GO-COOH. The La-decorated GO-COOH was characterized by FT-IR, TGA and TEM, and its antibacterial properties were characterized by bacteria growth kinetics...
The preparation of graphite intercalation compounds (GIC’s) of three perfluorinated alkylsulfonate anions, C 10 F 21 SO 3− , C 2 F 5 OC 2 F 4 SO 3− and C 2 F 5 (C 6 F 10 )SO 3− is described for the first time. Pure stage 2 GIC’s are obtained by chemical oxidation of graphite with...
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