Abstract: A positive electrode material includes a mixture of a positive electrode active material, a solid electrolyte, and a conductive material. The conductive material contains a first conductive material having an average major axis diameter of greater than or equal to 1 ?m and a second conductive material having an average particle diameter of less than or equal to 100 nm. A ratio of a volume of the positive electrode active material to a total volume of the positive electrode active material and the solid electrolyte is greater than or equal to 60% and less than or equal to 90%.

Abstract: A cathode includes a mixture of a cathode active material, a solid electrolyte, and a conductive material. The conductive material includes carbon black having an average particle size of less than or equal to 100 nm. When a cross-section of the cathode is observed using a scanning electron microscope, an area in which the carbon black is concentrated is found between the cathode active material and the solid electrolyte.

Abstract: An electrode material has a solid concentration of 72% or more. It includes a composite particle, a sulfide solid electrolyte, and a solvent. The composite particle includes an active material and a fluoride solid electrolyte. The fluoride solid electrolyte covers at least part of a surface of the active material. The sulfide solid electrolyte is adhered to the composite particle.

Abstract: A seat back panel includes a panel main body and a separate panel. The panel main body is disposed at a posterior portion of a seat back of a vehicle seat. The panel main body structures a portion of a main body portion of a seat back frame. An aperture is formed at a location of the panel main body that opposes a dorsal region of a seat occupant. The separate panel is attached to the main body portion and closes up the aperture. At a time of rear-end collision of the vehicle, the separate panel receives a load from the dorsal region of the seat occupant and relatively displaces toward the rear side of the seat back with respect to the panel main body.

Abstract: A solid electrolyte material according to the present disclosure is represented by the chemical formula Li6?4b+ab(Zr1?aMa)bX6 (I). M denotes at least one element selected from the group consisting of Al, Ga, Bi, Sc, Sm, and Sb, X denotes at least one halogen element, and the two mathematical formulae 0<a<1 and 0<b<1.5 are satisfied.

Abstract: The positive electrode active material includes a complex oxide represented by Formula (1): LiNixMe1-xO2 where x satisfies 0.5?x<1, and Me is at least one selected from the group consisting of Co, Mn, Al, Mg, Ca, Sr, Ba, B, Ga, Y, Ce, Sm, Gd, Er, Ti, Zr, V, Nb, Ta, Sb, Bi, Cr, Mo, and W. In an X-ray diffraction pattern obtained by X-ray diffraction measurement of the positive electrode active material using Cu-K? rays, the ratio of the value of the full width at half maximum of a peak having the highest intensity within a diffraction angle 2? range of 40° or more and 50° or less to the value of the full width at half maximum of a peak corresponding to the (111) plane of a crystalline Si powder measured under the same conditions is less than or equal to 2.00.

Abstract: An electrode includes an active material layer that includes an active material, a solid electrolyte, and a binder and a current collector that includes a substrate and a coating layer coating the substrate and being in contact with the active material layer. The binder includes a block copolymer that includes two first blocks constituted of a repeating unit having an aromatic ring and a second block located between the two first blocks. The weight average molecular weight of the block copolymer is 170,000 or more. The coating layer includes conductive carbon.

Abstract: A fastener monitoring device monitoring a fastener of a track on which a railroad car runs includes a processing unit calculating a total number of fastening of the fastener or a total number of detachment of the fastener per unit length of the track as an index value indicating a fastening state of the fastener in the track based on running data of the railroad car and fastening state data of the fastener during running of the railroad car.

Abstract: An electrode material comprises a composite particle. The composite particle includes a core particle and a covering layer. The covering layer covers at least part of a surface of the core particle. The core particle includes an active material. The covering layer includes a first layer and a second layer. At least part of the first layer is interposed between the core particle and the second layer. The first layer includes a first solid electrolyte. The second layer includes a second solid electrolyte. The first solid electrolyte is a fluoride. The second solid electrolyte is a sulfide.

Abstract: A solid electrolyte material according to the present disclosure is represented by the chemical formula Li6-4aMaX6. M denotes at least one element selected from the group consisting of Zr, Hf, and Ti, X denotes at least one halogen element, and a is greater than 0 and less than 1.5.

Abstract: A halide solid electrolyte material according to the present disclosure is represented by the chemical formula Li6?(4+a)b(Zr1?aMa)bX6, wherein M denotes at least one element selected from the group consisting of Ta and Nb, X denotes at least one halogen element, and two mathematical formulae 0<a<1 and 0<b<1.5 are satisfied.

Abstract: A solid electrolyte material of the present disclosure includes Li, Zr, Y, Cl, O, and H, wherein the molar ratio of O to Y is greater than 0.01 and less than or equal to 0.80. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: A solid electrolyte material of the present disclosure includes Li, Zr, Y, Cl, and O, wherein the molar ratio of O to Y in the entire solid electrolyte material is greater than 0 and less than or equal to 0.80, and the molar ratio of O to Y in the surface region of the solid electrolyte material is larger than the molar ratio of O to Y in the entire solid electrolyte material. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode, wherein at least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: A solid electrolyte material of the present disclosure includes Li, Zr, Y, Cl, and O, wherein the molar ratio of O to Y is greater than 0 and less than or equal to 0.60. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

Abstract: A track condition monitoring device track condition monitors a state of a track on which a railroad car runs. The track condition monitoring device includes processing circuitry configured to acquire track displacement data which includes first data associated with second data, the first data indicating a position of the track displaced by a track displacement, and the second data indicating a longitudinal level of the track displacement at the position; and calculate an index value indicating the state of the track in an evaluation target section of the track based on the track displacement data, wherein the position is in the evaluation target section of the track.

Abstract: Provided is a solid electrolyte material represented by a composition formula Li3?3?Y1+??aMaCl6?x?yBrxIy, where M is at least one element selected from the group consisting of Al, Sc, Ga, and Bi; ?1<?<1; 0<a<2; 0<(1+??a); 0?x?6; 0?y?6; and (x+y)?6.

Abstract: A solid electrolyte material includes a first crystal phase. The first crystal phase has a composition that is deficient in Li as compared with a composition represented by the following composition formula (1).

Abstract: A main object of the present disclosure is to provide a coated active material capable of reducing a battery resistance. The present disclosure achieves the object by providing a coated active material comprising: an active material including Ni, and a coating layer configured to coat at least a part of a surface of the active material, and a NiO layer is formed between the active material and the coating layer, and an average thickness of the NiO layer is 0.9 nm or less.

Abstract: Provided is a solid electrolyte material comprising Li, Y, Br, and Cl wherein in an X-ray diffraction pattern in which Cu-K? is used as a radiation source, peaks are present within all ranges of diffraction angles 2? of 15.1° to 15.8°, 27.3° to 29.5°, 30.1° to 31.1°, 32.0° to 33.7°, 39.0° to 40.6°, and 47.0° to 48.5°.

Abstract: A positive electrode includes a positive electrode current collector, an adhesive layer, and a positive electrode layer. The positive electrode current collector, the adhesive layer, and the positive electrode layer are stacked in this order. The adhesive layer contains spherical carbon and fibrous carbon as an electrically conductive material, and contains an acrylic binder as an adhesive.