期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 125, 期 8, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-019-2812-5
关键词
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资金
- China Postdoctoral Science Foundation [2018M630330, 2019T120245]
- Natural Science Foundation of Heilongjiang Province [QC2018046]
- National Science Foundation of China [31470714]
- Fundamental Research Funds for the Central Universities [2572017PZ12]
To enhance the performance of ionic actuators, the electrochemical and electromechanical properties of green ionic actuators with the electrolyte layer after doping with MWCNT was investigated in this paper. The surface morphology, elemental composition, corresponding content and functional group of the mixed electrolyte layer were observed and characterized by SEM-EDS, FT-IR and XRD. The CV test showed that when the doping amount was 0.8 wt%, the specific capacitance increases 187.6% and 205.3% compared with undoped electrolyte layer at the sweep speed of 20mVs(-1),500mVs(-1), respectively. The GCD test showed that the energy density increased to 144.3% at the current density of 1 A g(-1). and the cycle life is correspondingly increased. At 5V DC, the deflection displacement of actuators was 10.12mm when the doping amount was 0.8 wt%, which was 238.1% higher than when the doping amount was 1.5 wt%. And the output force of actuators was 3.10 mN, which was 147.2% higher than when the doping amount was 0 wt%. At 5V/0.05Hz voltage, the peak displacement of the actuator was 2.871mm, which was 238.1% higher than when the doping amount was 1.5 wt%.
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