A facile strategy is reported for design and preparation of flexible micro-supercapacitors on a chip based on patterned electrodes of conducting polyaniline nanowire arrays. The interdigital microelectrode is produced by combining microfabrication technology and an in-situ chemical polymerization approach. The assembled flexible micro-supercapacitor showed superior volumetric capacitance, fast rate capability and reduced leakage current using H2SO4- polyvinyl alcohol gel electrolytes.
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