Abstract: An electrode for solid-state batteries, comprising a PTC resistor layer, and a solid-state battery comprising the electrode. The electrode may be an electrode for solid-state batteries, wherein the electrode comprises an electrode active material layer, a current collector and a PTC resistor layer which is disposed between the electrode active material layer and the current collector and which is in contact with the electrode active material layer; wherein the PTC resistor layer contains an electroconductive material, an insulating inorganic substance and a polymer.

Abstract: Disclosed is a stacked battery that can flow a larger rounding current in a short-circuit current shunt part than in an electric element when a short circuit occurs in the short-circuit current shunt part and the electric element in nailing, the stacked battery in which an electrical resistance of a current collector tab of the short-circuit current shunt part is smaller than an electrical resistance of a current collector tab of the electric element.

Abstract: Disclosed is an all-solid-state lithium ion secondary battery being excellent in cycle characteristics. The all-solid-state lithium ion secondary battery may be an all-solid-state lithium ion secondary battery, wherein an anode comprises an anode active material, an electroconductive material and a solid electrolyte; wherein the anode active material comprises at least one active material selected from the group consisting of a metal that is able to form an alloy with Li, an oxide of the metal, and an alloy of the metal and Li; and wherein a bulk density of the solid electrolyte is 0.3 g/cm3 or more and 0.6 g/cm3 or less.

Abstract: Disclosed is a method for producing an all-solid-state lithium ion secondary battery being excellent in cycle characteristics. The production method may be a method for producing an all-solid-state lithium ion secondary battery, wherein the method comprises an anode mixture forming step of obtaining an anode mixture by drying a raw material for an anode mixture, which contains an anode active material, a solid electrolyte and an electroconductive material; and wherein, for the anode mixture after being dried in the anode mixture forming step, a voidage V of the inside of the anode mixture calculated by the following formula (1) is 43% or more and 54% or less: V=100?(D1/D0)×100??Formula (1).

Abstract: An objective of the present disclosure is to provide a stacked battery that suppresses sneak current caused by an unevenness of a short circuit resistance among a plurality of cells. The present disclosure provides a stacked battery comprising: a plurality of cells in a thickness direction, wherein the plurality of cells are electrically connected in parallel; the stacked battery includes a surface-side cell that is located on a surface side of the stacked battery, and a center-side cell that is located on a center side rather than the surface-side cell; wherein a resistance of the cathode current collecting tab in the surface-side cell is more than a resistance of the cathode current collecting tab in the center-side cell; or a resistance of the anode current collecting tab in the surface-side cell is more than a resistance of the anode current collecting tab in the center-side cell.

Abstract: To suppress heat generation in a short-circuit current shunt part in a stacked battery that includes the short-circuit current shunt part, in the stacked battery 100 including at least one short-circuit current shunt part 10, and a stack 20 that includes a plurality of electric elements 20a, 20b which are stacked, the short-circuit current shunt part 10 includes a first part 10a that is provided on one end side in a stacking direction of the stack 20, a second part 10b that is provided on another end side therein, and a third part 10c that connects the first part 10a and the second part 10b; at the first part 10a, the first current collector layer 11 and the cathode current collector layer 21 have an electric connection part 14a but the second current collector layer 12 and the anode current collector layer 25 do not have any electric connection part, at the second part 10b, the second current collector layer 12 and the anode current collector layer 25 have an electric connection part 14b but the first curren

Abstract: There is provided a hot forging steel including, by mass %, C: more than 0.30% and less than 0.60%, Si: 0.10% to 0.90%, Mn: 0.50% to 2.00%, S: 0.010% to 0.100%, Cr: 0.01% to 1.00%, Al: more than 0.005% and 0.100% or less, N: 0.0030% to 0.0200%, Bi: more than 0.0001% and 0.0050% or less, Ti: 0% or more and less than 0.040%, V: 0% to 0.30%, Ca: 0% to 0.0040%, Pb: 0% to 0.40%, and a remainder including Fe and impurities, in which P and O in the impurities are respectively P: 0.050% or less and O: 0.0050% or less, an expression d+3?<20 is satisfied, and a presence density of MnS having an equivalent circle diameter of smaller than 2.0 ?m is 300 pieces/mm2 or more in a cross section parallel to a rolling direction of a steel.

Abstract: Provided is an air-conditioning system including: an air pollution level detector configured to detect each of a pollution level of outside air, which is air outside a vehicle, and a pollution level of inside air, which is air inside the vehicle; and an air-conditioning control device configured to control air conditioning by switching an air-conditioning mode of the vehicle between an inside-air circulation mode and an outside-air introduction mode. The air-conditioning control device switches the air-conditioning mode from the outside-air introduction mode to the inside-air circulation mode based on the pollution level of the outside air acquired from the air pollution level detector, and switches the air-conditioning mode from the inside-air circulation mode to the outside-air introduction mode based on the pollution level of the inside air acquired from the air pollution level detector.

Abstract: The invention provides an all-solid-state battery stack with high voltage. The all-solid-state battery stack of the disclosure has a plurality of monopolar battery units stacked together via insulator layers. The monopolar battery unit also has a first current collector layer, a first active material layer, a solid electrolyte layer, a second active material layer, a second current collector layer, a second active material layer, a solid electrolyte layer, a first active material layer and a first current collector layer, stacked in that order. The plurality of monopolar battery units are connected together in series.

Abstract: A main object of the present disclosure is to provide an anode layer with high capacity durability. In the present disclosure, the above object is achieved by providing an anode layer comprising: an anode active material including a Nb element, a W element, and an O element; and a sulfide solid electrolyte.

Abstract: An all-solid state battery including at least one short-circuit current shunt part and a plurality of electric elements, the short-circuit current shunt part and the electric elements being stacked, wherein the shunt part includes a first and a second current collector layers, and an insulating layer between the first and second current collector layers, all being stacked, each of the electric elements includes a cathode current collector layer, a cathode material layer, a solid electrolyte layer, an anode material layer, and an anode current collector layer, all of these layers being stacked, the first current collector layer connected with the cathode current collector layer, the second current collector layer connected with the anode current collector layer, the electric elements are electrically connected with each other in parallel, and a plurality of sheets of metal foil, the one being arranged on a side wherein a nail penetrates in nail penetration testing.

Abstract: Disclosed is an all-solid-state battery that makes it possible for a larger rounding current flow into a short-circuit current shunt part than to each electric element when the short-circuit current shunt part and the electric elements short-circuit in nail penetration testing.

Abstract: Disclosed is a stacked battery including at least one short-circuit current shunt part and electric elements, wherein: the shunt part includes first and second current collector layers, and an insulating layer provided between the first and second current collector layers, all of these layers being stacked; each power generation element includes a cathode current collector layer, a cathode material layer, an electrolyte layer, an anode material layer, and an anode current collector layer all of these layers being stacked; the first current collector layer is electrically connected to the cathode current collector layer and the second current collector layer to the anode current collector layer; the electric elements are electrically connected in parallel; and the shunt part next to the electric elements includes a PPTC layer between the first current collector layer and the insulating layer and/or between the second current collector layer and the insulating layer.

Abstract: A method of manufacturing an electrode laminate, which includes an active material layer and a solid electrolyte layer formed on the active material layer, includes: an active material layer forming step of forming an active material layer; and a solid electrolyte layer forming step of forming a solid electrolyte layer on the active material layer by applying a solid electrolyte layer-forming slurry to the active material layer and drying the solid electrolyte layer-forming slurry. In this method, a surface roughness Ra value of the active material layer is 0.29 ?m to 0.98 ?m when calculated using a laser microscope.

Abstract: An all-solid-state battery system comprising an all-solid-state battery comprising a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, and a control device configured to control a charge-discharge voltage during use of the all-solid-state battery. The negative electrode active material layer includes alloy negative electrode active material particles. The amorphization degree of the alloy negative electrode active material particles is in the range of 27.8% to 82.8% and a ratio Z/W is in the range of 0.32 to 0.60, where Z is a controlled discharge capacity of the all-solid-state battery, and W is a theoretical capacity of the alloy negative electrode active material particles × a total weight of the alloy negative electrode active material particles × the amorphization degree.

Abstract: In an all-solid-state battery including at least one short-circuit current shunt part and at least one electric element which are stacked, when the battery is constrained, cracking etc. of the adhesive in the short-circuit current shunt pail is prevented.

Abstract: Disclosed is an anode mixture configured to provide an all-solid-state lithium ion secondary battery being excellent in cycle characteristics when it is used in the battery, an anode including the anode mixture, and an all-solid-state lithium ion secondary battery including the anode. The anode mixture may be an anode mixture for an all-solid-state lithium ion secondary battery, wherein the anode mixture contains an anode active material, a solid electrolyte and an electroconductive material; and wherein a value obtained by multiplying, by a bulk density of the solid electrolyte, a volume percentage (%) of the electroconductive material when a volume of the anode mixture is determined as 100 volume %, is 0.53 or more and 3.0 or less.

Abstract: Disclosed is an all-solid-state lithium ion secondary battery including an anode that contains, as an anode active material, at least one selected from the group consisting of a metal that is able to form an alloy with Li, an oxide of the metal, and an alloy of the metal and Li, and being excellent in cycle characteristics. The all-solid-state lithium ion secondary battery may be an all-solid-state lithium ion secondary battery, wherein an anode comprises an anode active material, an electroconductive material and a solid electrolyte; wherein the anode active material comprises at least one active material selected from the group consisting of a metal that is able to form an alloy with Li, an oxide of the metal, and an alloy of the metal and Li; and wherein the solid electrolyte is particles with a BET specific surface area of from 1.8 m2/g to 19.7 m2/g.

Abstract: A steel according to an aspect of the present invention has a chemical composition within a predetermined range, in which a hardenability index Ceq ranges from greater than 7.5 to smaller than 44.0, a metallographic structure includes ferrite ranging from 85 to 100 area %, an average distance between sulfides, which are observed in a cross section parallel to a rolling direction of the steel and have an equivalent circle diameter ranging from 1 ?m or greater to smaller than 2 ?m, is shorter than 30.0 ?m, and a presence density of the sulfides, which are observed in the cross section parallel to the rolling direction of the steel and have an equivalent circle diameter ranging from 1 ?m or greater to smaller than 2 ?m, is 300 pieces/mm2 or more.

Abstract: A main object of the present disclosure is to provide a stacked battery in which an unevenness of short circuit resistance among a plurality of cells is suppressed.