Abstract: A conveyance route switching mechanism and a paper sheet handling apparatus that includes the conveyance route switching mechanism include a driving source, a gate, a first gear, and an internal gear. The driving source includes a driving shaft. The gate includes a gate shaft, and a blade that is provided on the gate shaft, and switches conveyance routes of paper sheets. The first gear is provided on the gate shaft. The internal gear meshes with the first gear. According to rotation of the driving shaft, the gate shaft rotates on an axis of the gate shaft, and revolves with the driving shaft as a rotation center while the first gear meshes with the internal gear.

Abstract: The composite active material according to one aspect of the present disclosure includes an active material including Li, Ti, and O and a first solid electrolyte. The active material is a porous material having a plurality of pores. The first solid electrolyte includes Li, M, and X. M is at least one selected from the group consisting of metal elements and metalloid elements belonging to the 5th or 6th period. X is at least one selected from the group consisting of F, Cl, Br, and I. At least a part of the first solid electrolyte is present inside the plurality of pores.

Abstract: The electrode material according to one aspect of the present disclosure includes a first active material particle, a second active material particle, and a solid electrolyte. The first active material particle and the second active material particle each include Li, Ti, and O. The ratio of the average particle size of the second active material particle to the average particle size of the first active material particle is greater than or equal to 1.5 and less than or equal to 6.0. The battery according to one aspect of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer located between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode and the negative electrode includes the electrode material.

Abstract: An electrode material includes an active material particle and a solid electrolyte particle. The solid electrolyte particle includes Li, M, and X, wherein M is at least one selected from the group consisting of metal elements excluding Li and metalloid elements, and X is at least one selected from the group consisting of F, Cl, Br, and I. The ratio R1 of the volume of the active material particle to the sum of the volume of the active material particle and the volume of the solid electrolyte particle is greater than or equal to 10% and less than 65% when expressed as percentage. The ratio R2 of the average particle diameter of the active material particle to the average particle diameter of the solid electrolyte particle is greater than or equal to 0.5 and less than or equal to 3.4.

Abstract: A method for producing a coke includes performing dry distillation of a mixture. The mixture includes: an ashless coal; an oxidized ashless coal obtained by an oxidation treatment of an ashless coal; and a raw petroleum coke. Relative to 100 parts by mass of a total of the ashless coal, the oxidized ashless coal and the raw petroleum coke, a content of the ashless coal is from 5 to 40 parts by mass, and a total content of the ashless coal and the oxidized ashless coal is from 30 to 70 parts by mass.

Abstract: A raw material pitch for carbon fiber production, with which carbon fiber excellent in tensile strength can be produced at relatively low costs, is provided. The raw material pitch is obtained from coal, is a pitch for producing carbon fiber by melt spinning, and contains oxygen in a content of 1.0% by mass or more and a toluene-soluble component in a content of 20% by mass or more. The coal is preferably bituminous coal or sub-bituminous coal. The raw material pitch is preferably prepared by subjecting a solvent-soluble component separated from a thermal decomposition product of coal in a solvent by a solvent extraction treatment at a temperature of less than 300° C. to a heat treatment at a temperature of 150° C. or more.

Abstract: A method for producing a carbon fiber includes a separation step of separating an ash-free coal obtained from a bituminous coal or a sub-bituminous coal, into a soluble component(s) and an insoluble component(s) by a solvent extraction treatment, a heat treatment step of heat-treating the soluble component(s), a melt spinning step of melt-spinning the soluble component(s) subjected to the heat treatment, an infusibilization step of infusibilizing a filament body obtained by the melt spinning, and a carbonization step of carbonizing the filament body subjected to the infusibilization.

Abstract: A method for producing a carbon material including an oxidation step of oxidizing an ashless coal, a forming step of mixing an oxidized ashless coal obtained in the oxidation step and an unoxidized ashless coal and forming a mixture thereof, and a carbonization step of carbonizing a formed body obtained in the formation step. Percentage of increase in oxygen of the oxidized ashless coal obtained in the oxidation step is from 2.0 to 10.0%. A mixing ratio of the oxidized ashless coal in the forming step is from 60 to 95 parts by mass per 100 parts by mass of a total of the oxidized ashless coal and the unoxidized ashless coal.

Abstract: This method for producing a carbon material includes: a step of mixing an ashless coal, which is obtained by subjecting coal to a solvent extraction treatment, with an ashless coal coke, which is obtained by carbonizing an ashless coal; a step of heating and molding the obtained mixture; and a step of carbonizing the obtained molded body. In addition, the obtained carbon material contains ashless coal and has an optically anisotropic structure in which the proportion of the structure that is a coarse-grained mosaic or finer is 90% or higher.

Abstract: A method for producing a coke includes performing dry distillation of a mixture. The mixture includes: an ashless coal; an oxidized ashless coal obtained by an oxidation treatment of an ashless coal; and a raw petroleum coke. Relative to 100 parts by mass of a total of the ashless coal, the oxidized ashless coal and the raw petroleum coke, a content of the ashless coal is from 5 to 40 parts by mass, and a total content of the ashless coal and the oxidized ashless coal is from 30 to 70 parts by mass.

Abstract: A method for producing a carbon material including an oxidation step of oxidizing an ashless coal, a forming step of mixing an oxidized ashless coal obtained in the oxidation step and an unoxidized ashless coal and forming a mixture thereof, and a carbonization step of carbonizing a formed body obtained in the formation step. Percentage of increase in oxygen of the oxidized ashless coal obtained in the oxidation step is from 2.0 to 10.0%. A mixing ratio of the oxidized ashless coal in the forming step is from 60 to 95 parts by mass per 100 parts by mass of a total of the oxidized ashless coal and the unoxidized ashless coal.

Abstract: A paving block and a paving block assembly include a prism-shaped paving block body having a top surface, a bottom surface disposed opposite the top surface and a first pair of opposing side walls and a second pair of opposing side walls. The first and second pair of opposing side walls are disposed between the top and bottom surfaces with respective ones of the first pair of opposing side walls and the second pair of opposing side walls connected perpendicularly to each other. The top surface has a plurality of longitudinal grooves which are formed therein and extend parallel to each other. Each one of the plurality of grooves has a width substantially equal to each other. The paving block body has at least one projection connected to one of the side walls and positioned between the top and bottom surfaces. The at least one projection projects from the one side wall a distance equal to or substantially equal to the width of the grooves.

Abstract: A hot melt adhesive composition consisting essentially of 100 parts by weight of polybutadiene having a 1,2-bond structure content of not less than 70% and a crystallinity of not less than 10%, from 50 to 1000 parts by weight of at least one inorganic filler, from 10 to 300 parts by weight of at least one tackifier, and at least one plasticizer and/or at least one flow improving agent, said composition having melt viscosity of from 50 to 50000 poises within a temperature range from 100.degree. to 150.degree. C.