Abstract

The electrochemical and electromechanical properties of actuators fabricated from activated and non-activated multi-walled carbon nanotube (MWCNT)-ionic liquid (IL) gel electrodes are compared with single-walled carbon nanotube (SWCNT)-based actuators. The double-layer capacitance of the MWCNT-COOH electrode was larger than that of the MWCNT electrode but smaller than that of the SWCNT electrode. The activated MWCNT-COOH polymer actuator surpassed the SWCNT actuator in terms of the strain and maximum generated stress.

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