Abstract: The purpose of the present disclosure is to provide a CNT fiber that is constituted of aligned carbon nanotubes (CNTs), is thin, has little irregularity in thickness, has excellent winding properties when undergoing coiling processing, and has superior conductivity. Provided is a CNT fiber constituted of carbon nanotubes (CNTs) having a thickness of 0.01 ?m-3 mm, having a coefficient of variation for irregularity in thickness of 0.2 or less, having a distribution rate a for deviation from roundness of 40% or greater, and a distribution rate b of 70% or greater. Also provided is a method for manufacturing the CNT fiber.

Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.

Abstract: An object of the present invention is to provide a CNT yarn having excellent conductivity and strength, and a method for producing the same. The present invention provides a drawn yarn comprising carbon nanotubes and having a drawing rate of 10 to 50%.

Abstract: The purpose of the present disclosure is to provide a CNT fiber that is constituted of aligned carbon nanotubes (CNTs), is thin, has little irregularity in thickness, has excellent winding properties when undergoing coiling processing, and has superior conductivity. Provided is a CNT fiber constituted of carbon nanotubes (CNTs) having a thickness of 0.01 ?m-3 mm, having a coefficient of variation for irregularity in thickness of 0.2 or less, having a distribution rate a for deviation from roundness of 40% or greater, and a distribution rate b of 70% or greater. Also provided is a method for manufacturing the CNT fiber.

Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.

Abstract: The invention provides a sensor capable of detecting deformation. The deformation sensor has a structure in which an ion-conductive polymer layer is sandwiched between soft electrodes, wherein non-uniform ion distribution is generated in the ion-conductive polymer layer by deformation, thereby generating a potential difference between the electrodes.

Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.

Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.

Abstract: An object of the present invention is to provide a CNT yarn having excellent conductivity and strength, and a method for producing the same. The present invention provides a drawn yarn comprising carbon nanotubes and having a drawing rate of 10 to 50%.

Abstract: An object of the present invention is to provide a CNT yarn having excellent conductivity and strength, and a method for producing the same. The present invention provides a drawn yarn comprising carbon nanotubes and having a drawing rate of 10 to 50%.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.

Abstract: An object of the present invention is to provide an actuator that has improved performance. As a means for achieving this object, provided is a conductive thin film comprising a polymer gel containing a polyaniline (PANI), carbon nanohorns (CNH), carbon nanotubes (CNT), an ionic liquid, and a polymer, wherein the mass of the polyaniline is 10 to 50%, the mass of the carbon nanohorns is 10 to 50%, and the mass of the carbon nanotubes is 1 to 50% when the total mass of the polyaniline, the carbon nanohorns, and the carbon nanotubes is taken as 100%.

Abstract: The present invention relates to a deformation sensor comprising a structure in which an ion-conductive polymer layer is sandwiched between soft electrodes, wherein non-uniform ion distribution is generated in the ion-conductive polymer layer by deformation, thereby generating a potential difference between the electrodes.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.

Abstract: A polymer actuator element includes an electrolyte layer and electrode layers, in which the electrode layer includes an activated carbon nanofiber and a carbon nanohorn.

Abstract: A method for producing an aggregated thread structure includes (a) a process of dispersing carbon nanotube to a first solvent, which is water or a mixed solvent containing organic solvent and water, with a surfactant, to create a dispersion and (b) a process of injecting the dispersion, in which carbon nanotube is dispersed, to a condensing liquid, which is a second solvent that differs from the first solvent, to thereby aggregate and spin carbon nanotube. The aggregated thread structure containing carbon nanotube has: a bulk density of 0.5 g/cm3 or more; a weight reduction rate up to 450° C. of 50% or less; a G/D ratio for resonance Raman scattering measurement of 10 or more; and an electric conductivity of 50 S/cm or more.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.

Abstract: An object of the present invention is to provide a CNT yarn having excellent conductivity and strength, and a method for producing the same. The present invention provides a drawn yarn comprising carbon nanotubes and having a drawing rate of 10 to 50%.

Abstract: A polymer actuator element includes an electrolyte layer and electrode layers, in which the electrode layer includes an activated carbon nanofiber and a carbon nanohorn.

Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.