Recent advances in ionic polymer–metal composite actuators and their modeling and applications

Jo, Choonghee; Pugal, David; Oh, Il‐Kwon; Kim, Kwang Jin; Asaka, Kinji

doi:10.1016/j.progpolymsci.2013.04.003

Cited by 351 publications

(277 citation statements)

References 174 publications

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“…8,9 In addition, as a well-known "articial muscle", 10 IPMC can accomplish some unusual tasks such as "swimming" like a sh and "ying" like a bird, 11,12 indicating enormous potential in the bionic engineering eld.…”

Section: -4mentioning

confidence: 99%

Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix

Zhu

Wang

et al. 2018

RSC Adv.

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In this study, we propose to neutralize the relaxation deformation of Nafion-ionic polymer metal composite (IPMC) by slow anode deformation of Flemion-IPMC caused by carboxyl groups (-COOH). Carboxylated carbon nanotubes (CCNT) as -COOH carriers were doped into a Nafion matrix. By adjusting the doping content from 0 wt% to 10 wt%, an IPMC with constant steady-state deformation has been achieved at a critical CCNT content of 2 wt%. Moreover, the increasing rate of the slow anode deformation with the

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Section: -4mentioning

confidence: 99%

Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix

Zhu

Wang

et al. 2018

RSC Adv.

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“…Using structured asymmetrical electrodes allows all kinds of geometrical deformations (e.g., twisting and twirling) to be realized. Almost simultaneously two reviews have recently been published [175,176] that deal with the application of IPMCs for smart devices and focus on fabrication technology, theoretical modeling and control issues of IPMC-based devices. Most of the applications reported are in the field of biomimetic robots (especially swimming robots) and as sensor devices.…”

Section: Ionic Polymer Metal Compositesmentioning

confidence: 99%

Stimulus-active polymer actuators for next-generation microfluidic devices

Hilber

2016

Appl. Phys. A

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Microfluidic devices have not yet evolved into commercial off-the-shelf products. Although highly integrated microfluidic structures, also known as lab-on-a-chip (LOC) and micrototal-analysis-system (lTAS) devices, have consistently been predicted to revolutionize biomedical assays and chemical synthesis, they have not entered the market as expected. Studies have identified a lack of standardization and integration as the main obstacles to commercial breakthrough. Soft microfluidics, the utilization of a broad spectrum of soft materials (i.e., polymers) for realization of microfluidic components, will make a significant contribution to the proclaimed growth of the LOC market. Recent advances in polymer science developing novel stimulus-active soft-matter materials may further increase the popularity and spreading of soft microfluidics. Stimulus-active polymers and composite materials change shape or exert mechanical force on surrounding fluids in response to electric, magnetic, light, thermal, or water/solvent stimuli. Specifically devised actuators based on these materials may have the potential to facilitate integration significantly and hence increase the operational advantage for the end-user while retaining costeffectiveness and ease of fabrication. This review gives an overview of available actuation concepts that are based on functional polymers and points out promising concepts and trends that may have the potential to promote the commercial success of microfluidics.

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“…[17] It has been established that ILs can solvate and plasticize the Nafion side groups, stimulate the organization of the fluorocarbon domains of Nafion into a microcrystalline structure reduce the degree of crystallinity of the membrane and increase its ionic conductivity. [17,18] ILs comprised of the 1-alkyl-3-methylimidazolium cation and anions including halide, nitrate, hexafluorophosphate (PF 6 ) and tetrafluoroborate (BF 4 ) are the most investigated ILs in applications where their ionic conductivity is exploited. [19] These imidazolium-based ILs are currently being studied as electrolytes for dye-sensitized solar cells, [20] metal plating, [21] Li ion batteries, [22] and electrochemical capacitors [23] as well as soft actuators.…”

Section: A C C E P T E D Accepted Manuscriptmentioning

confidence: 99%

The enhancement effect of lithium ions on actuation performance of ionic liquid-based IPMC soft actuators

Safari

Naji

Baker

et al. 2015

Polymer

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Soft actuators are of great technological interest and one class of these is made from ionic polymer-metal composites (IPMCs). It has been established that replacement of water with an ionic liquid (IL) in IPMCs results in larger actuation response and considerably longer operating life. However, the rate of displacement of IL-based IPMCs is very low. In the current work, IPMC actuators were fabricated using Nafion membrane and an imidazolium-based IL. The effects of incorporating the IL with and without Li + ions were followed using electromechanical and electrochemical measurements and were compared with the corresponding behavior of water-based Li + -exchanged and un-exchanged IPMC actuators. The addition of Li + ions to the IL-based system resulted in dramatic increases in the capacitance, ionic conduction, operating life and in the displacement rate of the actuator. This strategy is of considerable interest for enabling the use of IPMC-based soft actuators in medicine and robotics.

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Recent advances in ionic polymer–metal composite actuators and their modeling and applications

Cited by 351 publications

References 174 publications

Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix

Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix

Stimulus-active polymer actuators for next-generation microfluidic devices

The enhancement effect of lithium ions on actuation performance of ionic liquid-based IPMC soft actuators

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