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题名: Graphitic carbon nitride nanosheet electrode-based high-performance ionic actuator
作者: Wu, G(武观); Hu, Y(胡颖); Liu, Y(刘洋); Zhao, JJ(赵晶晶); Chen, XL(陈雪丽); Whoehling, V; Plesse, C; Nguyen, GTM; Vidal, F; Chen, W(陈韦)
通讯作者: Chen, W (陈韦)
刊名: NATURE COMMUNICATIONS
发表日期: 2015
DOI: 10.1038/ncomms8258
卷: 6, 页:8
收录类别: SCI
部门归属: 纳米研究国际实验室
英文摘要: Ionic actuators have attracted attention due to their remarkably large strain under low-voltage stimulation. Because actuation performance is mainly dominated by the electrochemical and electromechanical processes of the electrode layer, the electrode material and structure are crucial. Here, we report a graphitic carbon nitride nanosheet electrode-based ionic actuator that displays high electrochemical activity and electromechanical conversion abilities, including large specific capacitance (259.4 Fg(-1)) with ionic liquid as the electrolyte, fast actuation response (0.5 +/- 0.03% in 300 ms), large electromechanical strain (0.93 +/- 0.03%) and high actuation stability (100,000 cycles) under 3V. The key to the high performance lies in the hierarchical pore structure with dominant size <2 nm, optimal pyridinic nitrogen active sites (6.78%) and effective conductivity (382 S m(-1)) of the electrode. Our study represents an important step towards artificial muscle technology in which heteroatom modulation in electrodes plays an important role in promoting electrochemical actuation performance.
语种: 英语
JCR小类分区: 一区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3364
Appears in Collections:纳米研究国际实验室_陈韦团队_期刊论文

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Recommended Citation:
Wu, G,Hu, Y,Liu, Y,et al. Graphitic carbon nitride nanosheet electrode-based high-performance ionic actuator[J]. NATURE COMMUNICATIONS,2015,6:8.
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