Flexible PTFE/MXene/PI soft electrothermal actuator with electromagnetic-interference shielding property

Sang, Min; Liu, Guanghui; Liu, Shuai; Wu, Yuxuan; Xuan, Shouhu; Wang, Sheng; Xuan, Shanyong; Jiang, Wei Teh; Gong, Xinglong

doi:10.1016/j.cej.2021.128883

Cited by 78 publications

(61 citation statements)

References 57 publications

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“…It can be seen that the excellent electrothermal properties of graphite under low voltages have potential value in the study of electrothermal actuators. [5,12,17,4,15,20,18]…”

Section: Electrothermal Properties Of Graphite Flake Analysismentioning

confidence: 99%

“…The electrothermal control method is different from the high-voltage driving of an electronic electroactive polymer (EAP), as the ionic EAP needs to function in the electrolyte. Its low-voltage operation, without the limitation of the need for a specific environment, and easy operation make it widely used in human-computer interaction, [8] optics, [9] DOI: 10.1002/mame.202100690 sensing, [10][11][12] smart switches, [13] electromagnetic shielding, [14][15][16] soft mechanical grasper, [17] and various other fields.…”

Section: Introductionmentioning

confidence: 99%

“…At present, most soft electrothermal actuators need to reach a very high temperature to generate actuation. [3,4,8,10,[12][13][14][15] For example, the Polyimide (PI)/graphite nanoplate composite film researched by Wang [3] achieved a bending angle of 270°under a driving voltage 3-48 V, but the maximum angle could be reached only once the temperature had reached nearly 200 °C. The spongy graphene/ Polydimethylsiloxane (PDMS) composite membrane studied by Hu et al [4] also needed to reach 100 °C for actuation.…”

Section: Introductionmentioning

confidence: 99%

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Low Voltage and Low Temperature Soft Electrothermal Actuator Based on PE/Graphite Bilayer Film

Yanni

Chen

et al. 2021

Macro Materials & Eng

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Soft electrothermal actuators are widely used in soft robots, smart switches, medical devices, artificial muscles, and human-machine interactions. Generally, they operate at room temperature but also meet the safety standards for maximum safe voltage for a human body. Therefore, an actuator with a lower voltage and lower temperature is the first choice, as long as the performance is not affected. In this study, a bilayer film based on polythene (PE)/graphite is used to realize an electrothermal drive. The method is simple, inexpensive, and convenient for mass production. At a low driving voltage of between 1.5 and 2 V, and at a temperature of 40-52 °C, a maximum bending angle of 139.22°-470°. Through the demonstration of a micromechanical gripper and transportation illustrated by drug crawling, it is proven that the PE/graphite composite membrane can be widely applied in the field of soft actuators.

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“…It can be seen that the excellent electrothermal properties of graphite under low voltages have potential value in the study of electrothermal actuators. [5,12,17,4,15,20,18]…”

Section: Electrothermal Properties Of Graphite Flake Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Low Voltage and Low Temperature Soft Electrothermal Actuator Based on PE/Graphite Bilayer Film

Yanni

Chen

et al. 2021

Macro Materials & Eng

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“…MXenes are two-dimensional metal carbide/nitride layered nanomaterials. Due to their unique layered structure and metal-like conductivity, MXenes have been extensively researched in the field of electromagnetic shielding [ 15 , 16 , 17 , 18 , 19 ]. MXene materials are obtained by selectively etching away the Al layer from a MAX phase, and they have the structure M n +1 X n T x .…”

Section: Introductionmentioning

confidence: 99%

Interfacing MXene Flakes on a Magnetic Fiber Network as a Stretchable, Flexible, Electromagnetic Shielding Fabric

et al. 2021

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A unique self-standing membrane composed of hierarchical thermoplastic polyurethane (TPU)/polyacrylonitrile (PAN) fibers is prepared by the electrospinning technique, followed by a simple dip-coating process. Fe3O4 nanoparticles are uniformly anchored on TPU/PAN fibers during the electrospinning process, enabling the membrane to achieve effective electromagnetic interference shielding (EMI SE) performance. Such a hybrid membrane has a high magnetization of 18.9 emu/g. When MXene (Ti3C2Tx) layers are further loaded on the TPU/PAN/Fe3O4NPs hybrid membrane, its EMI SE performance in the X band can exceed 30 dB due to the hydrogen bonds generated between the macromolecular chain of PAN and the functional group (Tx) on the surface of MXene. Simultaneously, the interfacial attraction between MXene and the TPU/PAN/Fe3O4NPs substrate is enhanced. The EMI SE mechanism of the hybrid membrane indicates that this film has great potential in the fields of wearable devices and flexible materials.

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“…10,11 Due to the abundant layer structure and many active sites on the surface of MXene-based ceramics (Ti 3 C 2 T x ), they exhibit outstanding performance in the fields of battery electrodes, catalysis and electromagnetic absorption (EA). [12][13][14] Ti 3 C 2 T x MXene-based ceramics are preferred as EAMs due to their unique dielectric properties and large aspect ratio, along with advantages such as adjustable conductivity, simple preparation process, and flexible compositions. 15,16 Multilayer Ti 3 C 2 T x is one of the typical MXene-based ceramics with an accordion-like structure.…”

mentioning

confidence: 99%

Broadband electromagnetic absorption of Ti₃C₂T_x MXene/WS₂ composite via constructing two‐dimensional heterostructure

et al. 2021

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With the advent of the 5G era, electronic communications will enable higher production and living standards. However, it cannot be ignored that electromagnetic wave radiation will become an inevitable problem. [1][2][3][4] It is necessary to develop stronger electromagnetic absorption materials (EAMs). On one hand, ceramic-based EAMs play a huge role due to their corrosion resistance, high strength, and low cost. [5][6][7] On the other hand, two-dimensional (2D) materials have unique physical and chemical properties, thus having a wide range of applications in different fields. As a pioneer of 2D materials,

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Flexible PTFE/MXene/PI soft electrothermal actuator with electromagnetic-interference shielding property

Cited by 78 publications

References 57 publications

Low Voltage and Low Temperature Soft Electrothermal Actuator Based on PE/Graphite Bilayer Film

Low Voltage and Low Temperature Soft Electrothermal Actuator Based on PE/Graphite Bilayer Film

Interfacing MXene Flakes on a Magnetic Fiber Network as a Stretchable, Flexible, Electromagnetic Shielding Fabric

Broadband electromagnetic absorption of Ti₃C₂T_x MXene/WS₂ composite via constructing two‐dimensional heterostructure

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Flexible PTFE/MXene/PI soft electrothermal actuator with electromagnetic-interference shielding property

Cited by 78 publications

References 57 publications

Low Voltage and Low Temperature Soft Electrothermal Actuator Based on PE/Graphite Bilayer Film

Low Voltage and Low Temperature Soft Electrothermal Actuator Based on PE/Graphite Bilayer Film

Interfacing MXene Flakes on a Magnetic Fiber Network as a Stretchable, Flexible, Electromagnetic Shielding Fabric

Broadband electromagnetic absorption of Ti3C2Tx MXene/WS2 composite via constructing two‐dimensional heterostructure

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Broadband electromagnetic absorption of Ti₃C₂T_x MXene/WS₂ composite via constructing two‐dimensional heterostructure