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      Improve the Performance of Mechanoelectrical Transduction of Ionic Polymer-Metal Composites Based on Ordered Nafion Nanofibres by Electrospinning

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          Abstract

          An ionic polymer–metal composite (IPMC) is a kind of soft material. The applications of IPMC in actuators, environmental sensing, and energy harvesting are currently increasing rapidly. In this study, an ordered Nafion nanofibre mat prepared by electrospinning was used to investigate the characteristics of the mechanoelectrical transduction of IPMC. The morphologies of the Nafion nanofibre mat were characterized. The proton conductivity, ion exchange capacities, and water uptake potential of the Nafion nanofibre mat were compared to traditional IPMC, respectively. A novel mechanism of Nafion nanofibre IPMC was designed and the open circuit voltage and short circuit current were measured. The maximum voltage value reached 100 mv. The output power was 3.63 nw and the power density was up to 42.4 μW/Kg under the load resistance. The Nafion nanofibre mat demonstrates excellent mechanoelectrcical transduction behavior compared to traditional IPMC and could be used for the development of self-powered devices in the future.

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          Most cited references30

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          Continuously prepared highly conductive and stretchable SWNT/MWNT synergistically composited electrospun thermoplastic polyurethane yarns for wearable sensing

          Highly conductive and stretchable electrospun thermoplastic polyurethane yarns with multi-walled and single-walled CNTs were prepared. Highly conductive and stretchable yarns have attracted increasing attention due to their potential applications in wearable electronics. The integration of conductive yarns with large stretching capability renders the composite yarns with new intriguing functions, such as monitoring human body motion and health. However, simultaneously endowing the yarns with high conductivity and stretchability using an easily scalable approach is still a challenge. Here, highly conductive and stretchable yarns based on electrospun thermoplastic polyurethane (TPU) fiber yarns successively decorated with multi-walled carbon nanotubes (MWNTs) and single-walled carbon nanotubes (SWNTs) were prepared by a combined electrospinning, ultrasonication adsorbing, and bobbin winder technique. The improved thermal stability of the SWNT/MWNT/TPU yarn (SMTY) indicated strong interfacial interactions between the CNTs and electrospun TPU fibers. The synergism between the successively decorated SWNTs and MWNTs significantly enhanced the conductivity of the TPU yarns (up to 13 S cm −1 ). The as-fabricated yarns can be easily integrated into strain sensors and exhibit high stretchability with large workable strain range (100%) and good cyclic stability (2000 cycles). Moreover, such yarn can be attached to the human body or knitted into textiles to monitor joint motion, showing promising potential for wearable electronics, such as wearable strain sensors.
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            Electromechanical response of ionic polymer-metal composites

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              Energy harvesting from base excitation of ionic polymer metal composites in fluid environments

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                Author and article information

                Journal
                Polymers (Basel)
                Polymers (Basel)
                polymers
                Polymers
                MDPI
                2073-4360
                21 July 2018
                July 2018
                : 10
                : 7
                : 803
                Affiliations
                [1 ]Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen 361102, China; zhaoy@ 123456xmu.edu.cn (Y.Z.); shengjiazheng@ 123456stu.xmu.edu.cn (J.S.); axudi@ 123456stu.xmu.edu.cn (D.X.); mengqinglong@ 123456stu.xmu.edu.cn (Q.M.); wdz@ 123456xmu.edu.cn (D.W.); wangly@ 123456xmu.edu.cn (L.W.); chenqinnan@ 123456xmu.edu.cn (Q.C.); sundh@ 123456xmu.edu.cn (D.S.)
                [2 ]School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China; j.gmz@ 123456163.com
                [3 ]Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361005, China; lwl1980@ 123456xmu.edu.cn
                Author notes
                [* ]Correspondence: jj_xiao@ 123456xmu.edu.cn ; Tel.: +86-592-2185927
                Author information
                https://orcid.org/0000-0002-6386-2586
                Article
                polymers-10-00803
                10.3390/polym10070803
                6403804
                72c28912-48cb-42b7-a8f4-27bbd4f87142
                © 2018 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

                History
                : 19 June 2018
                : 20 July 2018
                Categories
                Article

                nafion,ionic polymer–metal composite,mechanoelectrical transduction,electrospinning,nanofibre

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