PROBLEM TO BE SOLVED: To provide a gel sheet element excellent in flexibility and capable of being used as a soft actuator that can be reduced in size and weight, and a gel actuator.
SOLUTION: A gel actuator includes: a gel sheet 10 made of a dielectric material; and a pair of flexible electrodes 20a, 20b provided on both sides of the gel sheet 10 in such an arrangement that the gel sheet 10 is sandwiched therebetween in a thickness direction. The gel sheet 10 is made of a dielectric material in which creep deformation is caused when a voltage is applied between the pair of flexible electrodes 20a, 20b. The gel actuator is formed in a laminated structure where the gel sheet 10 is laminated in a thickness direction, and the flexible electrodes 20a, 20b are provided in such an arrangement that the gel sheet 10 is sandwiched therebetween in a thickness direction.
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