Hydraulically amplified self-healing electrostatic actuators with muscle-like performance

Journal: MATERIALS SCIENCE

Author: Xin Lin , Berthold Wegner et. al

Affiliation: Department of Mechanical Engineering, University of Colorado

Publication date: 2018.01.05

Summarized by Taewon Seo

 

– HASEL actuators
v. Schematic of a donut HASEL actuator (Fig. 1)
v. Schematic of a stack of five donut HASEL actuators (Fig. 2)
v. Schematic of a single-unit planar HASEL actuator (Fig. 3)

fig1

Fig. 1

fig22.jpg

Fig. 2

fig3.jpg

Fig. 3

 

– Fabrication
v. For a donut HASEL (Fig. 4)
v. For a single-unit planar HASEL (Fig. 5)
v. Flexible electrodes of PAM-LiCl hydrogels (thickness of 200μm)
v. Self-healing Liquid dielectric of Envirotemp FR3 (Cargill)

 

fig4.jpg

Fig. 4

fig5.jpg

Fig. 5

 

– Self healing
v. Self-healing from dielectric breakdown (Fig. 6)
v. Self-healing capabilities (Fig. 7)
v. Supporting information : http://science.sciencemag.org/highwire/filestream/704298/field_highwire_adjunct_files/2/aao6139s2.mp4

fig6.jpg

Fig. 6

fig7.jpg

Fig. 7

 

– Result
v. Actuation strain of a donut HASEL (Fig. 8)
v. Cycle life of a donut HASEL (Fig. 9)
v. Actuation strain of a single-unit planar HASEL (Fig. 10)
v. Supporting information : https://www.youtube.com/watch?v=M4qcvTeN8k0

fig8.jpg

Fig. 8

fig9

Fig. 9

fig10.jpg

Fig. 10

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