article · Diffusion and defect data, solid state data. Part B, Solid state phenomena/Solid state phenomena
This work presents the preparation of mechanically exfoliated graphene-CMC biocomposite ink which was utilized in the printing process of SC individual electrodes via InkJet printing (IJP) technique. Three individual electrodes were fabricated using such technique with high abilities to control the geometry and tuning both resulting sheet resistance and thickness. The printer showed a good command of printing computer-aided designs with high resolution and fabricated well-homogenised patterns. The electrochemical behaviour of the fabricated electrodes was investigated in 0.1M NaOH. Results illustrate that electrodes have shown good capacitive behaviour and EDLC was the main energy storage mechanism. There was a direct relationship between the number of the printed layers and the resulting electrical parameters. A maximum areal capacitance of 16.58 mF/cm 2 was achieved with printing 80 layers. Such results indicate that the formulated ink would be potential for electrochemical energy storage applications.
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DOI: 10.4028/p-jvfun5
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