Abstract:
A lubricant for a magnetic recording medium of the present invention includes an organic compound having a fullerene skeleton, and the organic compound having the fullerene skeleton is expressed by the general formula (i), and at least one hydroxyl group on a terminal of the organic compound having the fullerene skeleton is substituted by any one of hydrogen, a methyl group, and a trifluoro methyl group, in which A is a group in which any one hydroxyl group on a terminal of a fluoro compound is not included, and R1 is an organic group having 1 to 24 carbon atoms.
Abstract:
A lubricant for a magnetic recording medium of the present invention includes an organic compound having a fullerene skeleton, and the organic compound having the fullerene skeleton is expressed by the following general formula (i).
Abstract:
This collector plate includes a peripheral edge wall that surrounds a predetermined region, and is provided on at least one surface of the collector plate, in which a surface roughness (Ra) of a first surface which is an exposed surface of the peripheral edge wall on the side of one surface, which is measured along a direction perpendicular to an extension direction of the peripheral edge wall is greater than a surface roughness (Ra) of the first surface which is measured along the extension direction of the peripheral edge wall.
Abstract:
The present invention provides a redox flow secondary battery including a positive electrode, a negative electrode facing the positive electrode, and an ion exchange membrane provided between the positive electrode and the negative electrode, at least one electrode of the positive electrode and the negative electrode has a metal protective film having an opening and a carbon electrode including carbon fibers in order from the ion exchange membrane side, and the height of the protruding peak portion of the surface of the metal protective film, which is in contact with the ion exchange membrane, is 0.1 to 2 μm.
Abstract:
This method for producing a vanadium compound has an alkaline leaching step for immersing incineration ash in an alkaline solution to cause vanadium to leach from the incineration ash into the alkaline solution and obtain a leachate slurry, a solid-liquid separation step for separating the leachate slurry obtained in the alkaline leaching step into a solid and liquid followed by removing insoluble matter to obtain a leachate, a pH adjustment step for adding acid to the leachate following solid-liquid separation to make the leachate acidic, an aging step for aging the leachate following pH adjustment until a precipitate forms in the leachate, and a separation step for separating the precipitate from the leachate following the aging step.
Abstract:
A redox flow electrode according to one aspect of the present invention is a redox flow battery electrode disposed between an ion exchange membrane and a bipolar plate, wherein the electrode includes a conductive sheet containing carbon nanotubes having an average fiber diameter of 1 μm or less, and a porous sheet that is laminated to the conductive sheet and is formed from fibers having an average fiber diameter of greater than 1 μm.
Abstract:
This collector plate includes a plurality of flow paths through which an electrolyte is capable of flowing, and which are provided in at least one surface of the collector plate, in which a surface roughness (RaT) of a first surface of an internal wall regulated between the plurality of flow paths, which is measured along a width direction of the internal wall, is smaller than a surface roughness (Rat) of the first surface which is measured along a length direction of the internal wall.
Abstract:
An electrode material including a conductive sheet containing carbon nanotubes having an average fiber diameter of 1 μm or less; a liquid inflow member that is formed on a first surface of the conductive sheet such that an electrolyte solution that is passed therethrough flows into the conductive sheet; and a liquid outflow member that is formed on a second surface of the conductive sheet and out of which flows the electrolyte solution that has passed through the conductive sheet; wherein, when using a sheet surface of the conductive sheet as a reference plane, the Darcy permeability, in an in-plane direction, inside the liquid inflow member, is at least 100 times the Darcy permeability, in a normal direction, through the conductive sheet.
Abstract:
A device for manufacturing a carbon nanotube composite sheet includes: a dispersion liquid production unit for producing a carbon nanotube dispersion liquid; a coating unit for coating the dispersion liquid; a dehydration unit for dehydrating the coated dispersion liquid; and a finishing unit for cutting a sheet dehydrated in the dehydration unit, wherein the dispersion liquid production unit includes a mixing tank provided with a wet-type jet mill, the coating unit includes a coating device provided with a base unit and a dispersion liquid supply unit for supplying the dispersion liquid produced by the dispersion liquid production unit to the base unit, and the dehydration unit is provided with a compression unit for compressing a wet carbon nanotube composite sheet obtained in the coating unit, and a dehydration device for dehydrating the compressed wet carbon nanotube composite sheet.
Abstract:
This collector plate includes a plurality of flow paths through which an electrolyte flows and which are provided in at least one surface of the collector plate, in which an arithmetic surface roughness (Ra) of a first surface, which is an exposed surface of a wall portion between the plurality of flow paths on the side of one surface, is greater than or equal to 1 μm and less than or equal to 300 μm.