Abstract

The behavior of bending motion by an electric field for a polyurethane elastomer (PUE) film for which vapor grown carbon fiber (VGCF) was used as an electrode was examined. When the electric field was applied to the PUE film with the VGCF electrode, it bent towards the cathode side. In the case wherein the PUE film was doped with sodium acetate, it was observed that the bending displacement of the PUE film with the VGCF electrode was larger than for the undoped PUE film. The absolute value of the charge current was similar to that of the discharge current in doped PUE film with the VGCF electrode and this result corresponds to less leakage current. Highly efficient charge holding was also observed in the doped PUE film with the VGCF electrode, since the steady current by applying an electric field was less than 0.1μA.

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