High-Performance Electroactive Polymer Actuators Based on Ultrathick Ionic Polymer–Metal Composites with Nanodispersed Metal Electrodes

2017 ◽  
Vol 9 (26) ◽  
pp. 21998-22005 ◽  
Author(s):  
Hyuck Sik Wang ◽  
Jaehyun Cho ◽  
Dae Seok Song ◽  
Jong Hyun Jang ◽  
Jae Young Jho ◽  
...  
Keyword(s):  
High Performance ◽  
Electroactive Polymer ◽  
Metal Electrodes ◽  
Metal Composites ◽  
Ionic Polymer Metal Composites ◽  
Ionic Polymer ◽  
Polymer Actuators ◽  
Polymer Metal

scholarly journals Molecular dynamics of ionic polymer-metal composites

2021 ◽  
Vol 379 (2208) ◽  
pp. 20200408 ◽  
Author(s):  
A. Truszkowska ◽  
M. Porfiri
Keyword(s):  
Molecular Dynamics ◽  
Electric Field ◽  
Dynamics Simulation ◽  
Double Layers ◽  
Full Potential ◽  
Metal Electrodes ◽  
Metal Composites ◽  
Ionic Polymer Metal Composites ◽  
Ionic Polymer ◽  
Polymer Metal

Ionic polymer-metal composites (IPMCs) constitute a promising class of soft, active materials with potentially ubiquitous use in science and engineering. Realizing the full potential of IPMCs calls for a deeper understanding of the mechanisms underpinning their most intriguing characteristics: the ability to deform under an electric field and the generation of a voltage upon mechanical deformation. These behaviours are tightly linked to physical phenomena at the level of atoms, including rearrangements of ions and molecules, along with the formation of sub-nanometre thick double layers on the surface of the metal electrodes. Several continuum theories have been developed to describe these phenomena, but their experimental and theoretical validation remains incomplete. IPMC modelling at the atomistic scale could beget valuable support for these efforts, by affording granular analysis of individual atoms. Here, we present a simplified atomistic model of IPMCs based on classical molecular dynamics. The three-dimensional IPMC membrane is constrained by two smooth walls, a simplified analogue of metal electrodes, impermeable only to counterions. The electric field is applied as an additional force acting on all the atoms. We demonstrate the feasibility of simulating counterions’ migration and pile-up upon the application of an electric field, similar to experimental observations. By analysing the spatial configuration of atoms and stress distribution, we identify two mechanisms for stress generation. The presented model offers new insight into the physical underpinnings of actuation and sensing in IPMCs. This article is part of the theme issue ‘Progress in mesoscale methods for fluid dynamics simulation’.

Performance Enhancement and Applications of Ionic Polymer Metal Composites (IPMC) - A Review

2013 ◽  
Vol 389 ◽  
pp. 298-303 ◽  
Author(s):  
Muhammad Farid ◽  
Zhao Gang ◽  
Yu Min Zhu ◽  
Ashleigh Chatto ◽  
Raja Ahsan Javed
Keyword(s):  
Performance Enhancement ◽  
Force Output ◽  
Metal Electrodes ◽  
Metal Composites ◽  
Ionic Polymer Metal Composites ◽  
Ionic Polymer ◽  
Low Weight ◽  
Potential Applications ◽  
Polymer Metal ◽  
High Flexibility

This paper presents an overview of ionic polymer metal composites (IPMC), various properties improving techniques employed in the last decade and its potential applications. IPMC consists of a polymer membrane sandwiched by metal electrodes. On application of a small voltage, it bends towards anode. Due to its low activation voltage requirement (1-3V), low weight, high flexibility and ability to take any shape, IPMC has attracted the attention of researchers whose current aim include enhancing the force output to make them applicable for use in industrial, underwater SONARS, energy harvesting and biomedical fields. This paper provides an overview of the efforts made by the research community over the last decade, the identified applications with the references for elaborated study.

scholarly journals Modeling Actuation of Ionomer Cilia in Salt Solution Under an External Electric Field

2020 ◽  
Vol 1 (1) ◽  
Author(s):  
Alain Boldini ◽  
Maxwell Rosen ◽  
Youngsu Cha ◽  
Maurizio Porfiri
Keyword(s):  
Salt Solution ◽  
Metal Electrodes ◽  
Element Analysis ◽  
Metal Composites ◽  
Ionic Polymer Metal Composites ◽  
Physically Based Model ◽  
Ionic Polymer ◽  
Physically Based ◽  
Polymer Metal ◽  
The University

Abstract A recent experiment by Kim’s group from the University of Nevada, Las Vegas, has shown the possibility of actuating ionomer cilia in salt solution. When these actuators are placed between two external electrodes, across which a small voltage is applied, they move toward the cathode. This is in stark contrast with ionic polymer metal composites, where the same ionomers are plated by metal electrodes but bending occurs toward the anode. Here, we seek to unravel the factors underlying the motion of ionomer cilia in salt solution through a physically based model of actuation. In our model, electrochemistry is described through the Poisson–Nernst–Planck system in terms of concentrations of cations and anions and voltage. Through finite element analysis, we establish that Maxwell stress is the main driving force for the motion of the cilia. This study constitutes a first effort toward understanding the motion of ionomer cilia in salt solution, which, in turn, may help elucidate the physical underpinnings of actuation in ionic polymer metal composites.

An IPMC Actuated 3D Swimming Microrobot and its Propulsive Efficiency Analysis

2009 ◽  
Vol 419-420 ◽  
pp. 785-788
Author(s):  
Xiu Fen Ye ◽  
Yu Dong Su ◽  
Shu Xiang Guo
Keyword(s):  
Autonomous Navigation ◽  
Water Electrolysis ◽  
Efficiency Analysis ◽  
Infrared Sensors ◽  
Metal Composites ◽  
Propulsive Efficiency ◽  
Ionic Polymer Metal Composites ◽  
Ionic Polymer ◽  
Wireless Control ◽  
Polymer Metal

An Ionic polymer metal composites (IPMC) actuated 3D swimming microrobot is presented first. Inspired by biologic fins, passive plastic fin is attached to the IPMC strip to increase the thrust. Infrared sensors are equipped for wireless control and autonomous navigation. Then propulsive efficiency analyses are carried out. From the water electrolysis influence analysis of the IPMC, the best working voltage is confirmed. Finally, a two parts IPMC actuator is presented to improve the propulsive efficiency of the microrobot after the analysis of propulsive efficiency of caudal fin.

Biomimetic Applications of Ionic Polymer Metal Composites (IPMC) Actuators - A Critical Review

2014 ◽  
Vol 20 ◽  
pp. 1-10 ◽  
Author(s):  
Muhammad Farid ◽  
Zhao Gang ◽  
Tran Linh Khuong ◽  
Zhuang Zhi Sun ◽  
Naveed Ur Rehman ◽  
...  
Keyword(s):  
Critical Review ◽  
Low Voltage ◽  
Metal Composite ◽  
Ionic Polymer Metal Composite ◽  
Metal Composites ◽  
Ionic Polymer Metal Composites ◽  
Ionic Polymer ◽  
Design And Manufacturing ◽  
Polymer Metal ◽  
Biomedical Field

Biomimetic is the field of engineering in which biological creatures and their functions are investigated and are used as the basis for the design and manufacturing of machines. Ionic Polymer Metal Composite (IPMC) is a smart material which has demonstrated a meaningful bending and tip force after the application of a low voltage. It is light-weighted, flexible, easily actuated, multi-directional applicable and requires simple manufacturing. Resultantly, IPMC has attracted scientists and researchers to analyze it further and consider it for any industrial and biomimetic applications. Presently, the research on IPMC is bi-directional oriented. A few groups of researchers are busy to find out the causes for the weaknesses of the material and to find out any remedy for them. The second class of scientists is exploring new areas of applications where IPMC material can be used. Although, the application zone of IPMC is ranging from micropumps diaphragms to surgical holding devices, this paper provides an overview of the IPMC application in biomimetic and biomedical field.

Sign in / Sign up

Export Citation Format

Share Document