Electrochemical modification of commercial and laboratroy - produced carbon fibres by cyclic voltammetry and characterization - association with theri structure (original) (raw)

2011

Abstract

The scope of the doctoral thesis is the surface modification of commercial and laboratory-produced carbon fibres with electrochemical treatment by cyclic voltammetry and their characterization and the correlation of the parameters / conditions with their structure. To achieve this goal, commercial carbon fibres are used as working electrodes in a suitable electrochemical cell and they are surface modified by cyclic voltammetry, choosing various redox conditions based on the concentration of electrolyte solution, the sweep scan range, the sweep scan rate and the number of treatment cycles and subsequently they are characterized. Since commercial carbon fibres bear oxygen-containing groups in their structure by unknown origin of surface modification from the industry, they are not chemically inert and therefore they are subjected to pyrolysis anew and afterwards they are electrochemically treated and characterized. In addition, laboratory-produced carbon fibres, after appropriate batc...

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