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Preparation method of mxene/cnt ion-type electrochemical actuator, prepared actuator and application

An electrochemical and driver technology, applied in the field of materials science, can solve problems such as affecting the conductivity of the electrode layer, poor film formation, reducing the driving performance of the driver, etc., to reduce the response time, increase the accumulation, improve the electronic conduction and mechanical properties. The effect of stability

Active Publication Date: 2021-09-03
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is that in the prior art, pure MXene is used as the electrode layer. Due to poor film formation, there will be many cracks in the middle, which will directly affect the conductivity of the electrode layer and reduce the driving performance of the driver.

Method used

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  • Preparation method of mxene/cnt ion-type electrochemical actuator, prepared actuator and application
  • Preparation method of mxene/cnt ion-type electrochemical actuator, prepared actuator and application
  • Preparation method of mxene/cnt ion-type electrochemical actuator, prepared actuator and application

Examples

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Effect test

Embodiment 1

[0057] Preparation of MXene / CNT Ionic Electrochemical Actuators

[0058] (1) Weigh high-purity carboxylated single-walled carbon nanotubes (CNTs), absorb the MXene solution with a pipette gun, mix, add (nitrogen, nitrogen-dimethylformamide) DMF, and ultrasonicate for 60 minutes in an ice bath to form MXene / CNT dispersion. Among them, CNT and Ti 3 C 2 T x The concentration of solute is 8mg / ml, Ti 3 C 2 T x The mass ratio of solute and CNT is 3:1, and the concentration of MXene solution is 10mg / mL; The purity of high-purity carboxylated single-wall carbon nanotube is 90%, and diameter is 1nm, and the volume of MXene solution is 6mL in the present embodiment, MXene The solvent of the solution is deionized water, Ti in the MXene solution 3 C 2 T x The mass of solute is 60 mg, that of CNT is 20 mg, and that of DMF is 4 mL.

[0059] (2) Drop 2mL of PEDOT:PSS (PH1000) solution on the substrate, heat it on a heating platform at 50°C to form a PEDOT:PSS transparent film, the...

Embodiment 2

[0063] Preparation of MXene / CNT Ionic Electrochemical Actuators

[0064] (1) Weigh high-purity carboxylated single-walled carbon nanotubes (CNTs), draw MXene solution with a pipette gun, mix, add (nitrogen, nitrogen-dimethylformamide) DMF, and ultrasonicate for 80 minutes in an ice bath to form MXene / CNT dispersion. Among them, CNT and Ti 3 C 2 T x The concentration of solute in DMF is 8mg / ml, Ti 3 C 2 T x The mass ratio of solute to CNT is 2:1, the concentration of MXene solution is 10mg / mL; the purity of high-purity carboxylated single-walled carbon nanotubes is 90%, and the diameter is 1nm. The volume of MXene solution in the present embodiment is 8mL, and the solvent of MXene solution is deionized water, and Ti in MXene solution 3 C 2 T x The mass of solute is 80 mg, that of CNT is 40 mg, and that of DMF is 7 mL.

[0065] (2) Drop 2mL of PEDOT:PSS (PH1000) solution on the substrate, heat it on a heating platform at 50°C to form a PEDOT:PSS transparent film, then...

Embodiment 3

[0069] (1) Weigh high-purity carboxylated single-walled carbon nanotubes (CNTs), draw MXene solution with a pipette gun, mix, add (nitrogen, nitrogen-dimethylformamide) DMF, and ultrasonicate for 90 minutes in an ice bath to form MXene / CNT dispersion. Among them, CNT and Ti 3 C 2 T x The concentration of solute in DMF is 8mg / ml, Ti 3 C 2 T x The mass ratio of solute to CNT is 1:2, the concentration of MXene solution is 10mg / mL; the purity of high-purity carboxylated single-walled carbon nanotubes is 90%, and the diameter is 1nm. The volume of MXene solution in the present embodiment is 4mL, and the solvent of MXene solution is deionized water, and Ti in MXene solution 3 C 2 T x The mass of solute is 40 mg, that of CNT is 80 mg, and that of DMF is 11 mL.

[0070] (2) Drop 2mL of PEDOT:PSS (PH1000) solution on the substrate, heat it on a heating platform at 50°C to form a PEDOT:PSS transparent film, then drop 2mL of the dispersion on the transparent film, and heat it a...

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Abstract

The invention discloses a method for preparing an MXene / CNT ion-type electrochemical driver, and relates to the technical field of materials science. The invention includes the following steps: (1) preparing an MXene / CNT electrode film; (2) preparing a polymer layer: combining thermoplastic polyurethane and ion The liquid is placed in an organic solvent 2, heated and stirred to a transparent liquid, and the transparent liquid is dropped on the substrate and dried to form a polymer layer; (3) the MXene / CNT electrode film, polymer layer, MXene / CNT electrode The membranes are stacked sequentially. The invention has the beneficial effects of reducing the response time of the driver and improving the driving performance of the driver, and the maximum deformation displacement of the manufactured driver is 24mm at low frequency. Secondly, it can also improve the interlayer electronic conduction and mechanical stability of MXene, and increase the film-forming property of MXene.

Description

technical field [0001] The invention relates to the technical field of materials science, in particular to a preparation method of an MXene / CNT ion-type electrochemical driver, the prepared driver and its application. Background technique [0002] Ionic electrochemical actuator is a kind of bionic artificial muscle material. Because of its light weight, softness, low actuation voltage and large deformation capacity, it can produce large displacement deformation and strain under low driving voltage. It can be used as A new type of actuator is well suited for the development of biomimetic artificial muscles. [0003] Ionic electrochemical actuators are generally composed of electrode layers and polymer electrolyte intermediate layers by hot pressing. MXene(Ti 3 C 2 T x ) have been applied to electrochemical actuators because of their high volumetric capacitance and fast electron transport rate. [0004] MXene is an emerging two-dimensional material composed of transition m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N2/00
CPCH02N2/22
Inventor 胡颖金珂吴玉程沈锦杰刘家琴季启骁
Owner HEFEI UNIV OF TECH
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