scholarly journals Fabrication of Macroporous Nafion Membrane from Silica Crystal for Ionic Polymer-Metal Composite Actuator

Processes ◽  
2020 ◽  
Vol 8 (11) ◽  
pp. 1389
Author(s):  
Xiaojun Zhang ◽  
Man Wang ◽  
Manhong Li ◽  
Minglu Zhang ◽  
Chengwei Zhang
Keyword(s):  
Performance Test ◽  
Pt Nanoparticles ◽  
Nafion Membrane ◽  
Electromechanical Property ◽  
Metal Composite ◽  
Ionic Polymer Metal Composite ◽  
Maximum Displacement ◽  
Ionic Polymer ◽  
Electromechanical Performance ◽  
Polymer Metal

Nafion membrane with macropores is synthesized from silica crystal and composited with Pt nanoparticles to fabricate macroporous ionic polymer-metal composite (M-IPMC) actuator. M-IPMC shows highly dispersed small Pt nanoparticles on the porous walls of Nafion membrane. After the electromechanical performance test, M-IPMC actuator demonstrates a maximum displacement output of 19.8 mm and a maximum blocking force of 8.1 mN, far better than that of IPMC actuator without macroporous structure (9.6 mm and 2.8 mN) at low voltages (5.8–7.0 V). The good electromechanical performance can be attributed to interconnected macropores that can improve the charge transport during the actuation process and can allow the Pt nanoparticles to firmly adsorb, leading to a good electromechanical property.

Electromechanical performance of ionic polymer-metal composite under electrode constraint

2015 ◽  
Vol 34 (14) ◽  
pp. 1136-1143 ◽  
Author(s):  
Longfei Chang ◽  
Kinji Asaka ◽  
Zicai Zhu ◽  
Yanjie Wang ◽  
Hualing Chen
Keyword(s):  
Metal Composite ◽  
Ionic Polymer Metal Composite ◽  
Ionic Polymer ◽  
Electromechanical Performance ◽  
Polymer Metal

scholarly journals Performance Enhancement of Ionic Polymer-Metal Composite Actuators with Polyethylene Oxide

Polymers ◽  
2021 ◽  
Vol 14 (1) ◽  
pp. 80
Author(s):  
Dongxu Zhao ◽  
Jie Ru ◽  
Tong Wang ◽  
Yanjie Wang ◽  
Longfei Chang
Keyword(s):  
Polyethylene Oxide ◽  
Working Time ◽  
Nafion Membrane ◽  
Water Retention Capacity ◽  
Metal Composite ◽  
Ionic Polymer Metal Composite ◽  
Retention Capacity ◽  
Peak Displacement ◽  
Ionic Polymer ◽  
Polymer Metal

Current ionic polymer-metal composite (IPMC) always proves inadequate in terms of large attenuation and short working time in air due to water leakage. To address this problem, a feasible and effective solution was proposed in this study to enhance IPMC performance operating in air by doping polyethylene oxide (PEO) with superior water retention capacity into Nafion membrane. The investigation of physical characteristics of membranes blended with varying PEO contents revealed that PEO/Nafion membrane with 20 wt% PEO exhibited a homogeneous internal structure and a high water uptake ratio. At the same time, influences of PEO contents on electromechanical properties of IPMCs were studied, showing that the IPMCs with 20 wt% PEO presented the largest peak-to-peak displacement, the highest volumetric work density, and prolonged stable working time. It was demonstrated that doping PEO reinforced electromechanical performances and restrained displacement attenuation of the resultant IPMC.

scholarly journals Biomimetic Beetle-Inspired Flapping Air Vehicle Actuated by Ionic Polymer-Metal Composite Actuator

2018 ◽  
Vol 2018 ◽  
pp. 1-7 ◽  
Author(s):  
Yang Zhao ◽  
Di Xu ◽  
Jiazheng Sheng ◽  
Qinglong Meng ◽  
Dezhi Wu ◽  
...  
Keyword(s):  
High Voltage ◽  
Reaction Force ◽  
Low Frequency ◽  
Metal Composite ◽  
Ionic Polymer Metal Composite ◽  
Maximum Displacement ◽  
Ionic Polymer ◽  
Support Reaction ◽  
Air Vehicle ◽  
Polymer Metal

During the last decades, the ionic polymer-metal composite (IPMC) received much attention because of its potential capabilities, such as large displacement and flexible bending actuation. In this paper, a biomimetic flapping air vehicle was proposed by combining the superiority of ionic polymer metal composite with the bionic beetle flapping principle. The blocking force was compared between casted IPMC and IPMC. The flapping state of the wing was investigated and the maximum displacement and flapping angle were measured. The flapping displacement under different voltage and frequency was tested. The flapping displacement of the wing and the support reaction force were measured under different frequency by experiments. The experimental results indicate that the high voltage and low frequency would get large flapping displacement.

Property of ionic polymer metal composite with different thicknesses based on solution casting technique

2020 ◽  
Vol 34 (28) ◽  
pp. 2050263
Author(s):  
Liang Yang ◽  
Dongsheng Zhang ◽  
Xining Zhang ◽  
Aifen Tian ◽  
Miaomiao He
Keyword(s):  
Metal Composite ◽  
Ionic Polymer Metal Composite ◽  
Solution Casting ◽  
Maximum Displacement ◽  
Ionic Polymer ◽  
Casting Technique ◽  
Output Force ◽  
Platinum Particles ◽  
Polymer Metal ◽  
Solution Casting Technique

As an ionic electroactive polymer, ionic polymer metal composite (IPMC) has unique advantages and is widely used in various fields. However, the output force of IPMC is small, which further limits the application of IPMC. In this study, the Nafion520cs were selected as the preparation solution, and three ion-exchange polymer membranes (IEPMs) with different thicknesses (158, 256 and 383 [Formula: see text]m) were designed and prepared successfully by solution casting technique to study the output force. Then, three platinum electrodes-IPMCs (Pt-IPMCs) were fabricated using electroless plating method. The properties of Pt-IPMCs in terms of morphology, displacements and blocking forces were then evaluated under direct current voltage. The results showed that the prepared ionic membranes were uniform, transparent and flat, without accumulation or bubble. The platinum particles were preferably deposited on the surface, which promoted delivery of current through the IPMCs under the applied voltage, and improved the actuation performance. With the increase of voltage, the maximum displacement and maximum blocking force of the three IPMCs increased first and then decreased. When the voltage is 5.5 V, the maximum displacement for 158 um is 26 mm, while the maximum blocking force of 10.74 mN appears at 6.5 V for 383 um. It is necessary to select suitable thickness of IPMCs to adapt to different working environment and field, which provides a strong basis for further application of IPMCs.

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