Abstract: Provided is a ferritic stainless steel sheet for current collectors for sulfide-based solid-state batteries, which has excellent sulfidation resistance and adhesiveness. The ferritic stainless steel sheet has a component composition containing Cr in an amount of 16% by mass or more, wherein the surface of the ferritic stainless steel sheet has an uneven structure having recessed portions and projecting portions, the average height of the projecting portions is 20 to 50 nm inclusive, the average distance between the projecting portions is 20 to 200 nm inclusive, and the [Cr]/[Fe], i.e., the ratio of the atom concentration of Cr that is present in a form other than the metal form to the atom concentration of Fe that is present in a form other than the metal form, on the surface of the ferritic stainless steel sheet is 1.0 or more.

Abstract: A solid-state battery includes a positive electrode current collector layer, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector layer. Each of the positive electrode active material layer and the solid electrolyte layer contains a sulfide solid electrolyte particle. M expressed by Expression 1 is 1.15 to 3.00, M = M 1 / M 2 Expression ? 1 M1: the ratio of the number of oxygen atoms to the number of atoms of a first specific element composing the sulfide solid electrolyte particle at the vicinity of the positive electrode current collector layer in the positive electrode active material layer, M2: the ratio of the number of oxygen atoms to the number of atoms of a second specific element composing the sulfide solid electrolyte particle at a central portion in the solid electrolyte layer.

Abstract: A solid-state battery includes an electrode laminate body in which a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer are laminated in this order, in which: each of the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer contains a sulfide solid electrolyte; a surface moisture amount of the electrode laminate body is 200 ppm to 1500 ppm; and the ratio of the surface moisture amount to a whole moisture amount in the whole of the electrode laminate body is 0.50 to 1.00.

Abstract: It is an object of the present disclosure to provide an electrode stack that can reduce damage to multiple electrode collector layers (positive electrode collector layers and/or negative electrode collector layers) or collector tabs connected to electrode collector layers. An electrode stack having a plurality of stacked battery units, wherein the plurality of stacked battery units each comprise at least a negative electrode collector layer and a positive electrode collector layer, (i) the negative electrode collector layer extends from the first edge of the stacked battery unit, and the plurality of stacked battery units are stacked together so that the plurality of first edges are in an inclined arrangement, and/or (ii) the positive electrode collector layer extends from the second edge of the stacked battery unit, and the plurality of stacked battery units are stacked together so that the plurality of second edges are in an inclined arrangement.

Abstract: The present disclosure provides an electrode stack with a protective member disposed on a side section, which is resistant to peeling, as well as a battery comprising the electrode stack which is resistant to interference between the collector terminal and protective member and also has satisfactory structural efficiency. The electrode stack 10 of the disclosure is formed by stacking a plurality of preliminary electrode stacks 10?. The locations of the third and/or fourth side sections of those do not mutually match in the in-plane direction of the electrode stack, (i) the protective member 20 extends at least partway between the third side section of the innermost preliminary electrode stack and the third side section of the outermost thereof, and/or (ii) the protective member extends at least partway between the fourth side section of the innermost preliminary electrode stack and the fourth side section of the outermost thereof.

Abstract: An electrode composition includes an electrode active material, a solid electrolyte, a solvent, and a dispersant. The dispersant includes a first dispersant and a second dispersant. The first dispersant includes at least one selected from the group consisting of phenols and an amino hydroxy compound. The second dispersant includes at least one selected from the group consisting of a nitrogen-containing compound and an alcohol.

Abstract: An electrode for a solid-state battery includes a sulfide solid electrolyte, and a metal that reacts with the sulfide solid electrolyte to exhibit electron conductivity. The content of the metal, with respect to the total volume of the electrode for a solid-state battery, is greater than or equal to 5 ppm by volume and less than 10,000 ppm by volume.

Abstract: An all-solid-state battery has a positive electrode layer, a separator layer and a negative electrode layer. The all-solid-state battery satisfies relationships of “Formula (1): 0.99?Sa0/Sc0?1.01,” “Formula (2): 1.00?Sa1/Sa0?1.13,” and “Formula (3): 0.93?Sc1/Sc0?1.02.” Sc0 indicates an area of the positive electrode layer when the SOC is 0%. Sc1 indicates an area of the positive electrode layer when the SOC is 100%. Sa0 indicates an area of the negative electrode layer when the SOC is 0%. Sa1 indicates an area of the negative electrode layer when the SOC is 100%.

Abstract: A method of manufacturing a solid-state battery, the method including: over-discharging the solid-state battery having a solid sulfide electrolyte layer.

Abstract: An all-solid-state battery has a positive electrode layer, a separator layer and a negative electrode layer. The all-solid-state battery satisfies relationships of “Formula (1): 0.99?Sa0/Sc0?1.01,” “Formula (2): 1.00?Sa1/Sa0?1.13,” and “Formula (3): 0.93?Sc1/Sc0?1.02.” Sc0 indicates an area of the positive electrode layer when the SOC is 0%. Sc1 indicates an area of the positive electrode layer when the SOC is 100%. Sa0 indicates an area of the negative electrode layer when the SOC is 0%. Sa1 indicates an area of the negative electrode layer when the SOC is 100%.

Abstract: There is provided a negative electrode layer that is used in an all-solid state battery, containing lithium titanate and a sulfide solid electrolyte, in which a moisture amount contained in the lithium titanate is 25 ppm or more and 547 ppm or less.

Abstract: There is provided an electrode layer for an all-solid state battery, which contains an electrode active material and a sulfide solid electrolyte, where the sulfide solid electrolyte has an average particle diameter of less than 1 µm and the electrode layer contains an imidazoline-based dispersion material.

Abstract: An electrode layer for an all-solid state battery contains an electrode active material, a sulfide solid electrolyte, and a residual liquid, where the residual liquid has a ?P of less than 2.9 MPa½ in a Hansen solubility parameter and a boiling point of 190° C. or higher.

Abstract: A negative electrode layer that is used for an all-solid-state battery includes: lithium titanate; a sulfide solid electrolyte; and a rubber binder. The ratio of the amount A of the rubber binder adsorbed on the lithium titanate to the total content B of the rubber binder in the negative electrode layer is 1.35% or less.

Abstract: A main object of the present disclosure is to provide an all solid state battery with low battery resistance. The present disclosure achieves the object by providing an all solid state battery including a cathode layer, an anode layer, a solid electrolyte layer formed between the cathode layer and the anode layer; wherein the anode layer contains a lithium titanate that is an anode active material, and a solid electrolyte; a proportion of the anode active material with respect to a total of the anode active material and the solid electrolyte is 40 volume % or more and 80 volume % or less; and the anode layer does not contain a conductive material.

Abstract: Provided is a ferritic stainless steel sheet for current collectors for sulfide-based solid-state batteries, which has excellent sulfidation resistance and adhesiveness. The ferritic stainless steel sheet has a component composition containing Cr in an amount of 16% by mass or more, wherein the surface of the ferritic stainless steel sheet has an uneven structure having recessed portions and projecting portions, the average height of the projecting portions is 20 to 50 nm inclusive, the average distance between the projecting portions is 20 to 200 nm inclusive, and the [Cr]/[Fe], i.e., the ratio of the atom concentration of Cr that is present in a form other than the metal form to the atom concentration of Fe that is present in a form other than the metal form, on the surface of the ferritic stainless steel sheet is 1.0 or more.

Abstract: A ferritic stainless steel sheet for collectors of sulfide-based solid-state batteries has excellent sulfurization resistance. This ferritic stainless steel sheet has a component composition which contains, in mass %, from 0.001% to 0.050% of C, from 0.01% to 2.00% of Si, from 0.01% to 1.00% of Mn, 0.050% or less of P, 0.010% or less of S, from 18.00% to 32.00% of Cr, from 0.01% to 4.00% of Ni, from 0.001% to 0.150% of Al and 0.050% or less of N, with the balance being made up of Fe and unavoidable impurities.

Abstract: There is disclosed a photographic element which contains, in a binder on a base, a specified compound having a group that is capable of causing chemical reaction with a reactive group contained in the binder, to form a covalent bond. According to the photographic element, a color image excellent in light-fastness can be obtained.

Abstract: A silver halide photographic material comprising a support having provided thereon at least one layer, wherein said at least one layer contains at least one compound which is represented by the following formula (1) and is liquid at 25.degree. C.: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an unsubstituted unsaturated straight-chain aliphatic group, or an unsubstituted branched alkyl group; provided that both R.sub.1 and R.sub.2 must not be hydrogen atoms and that the sum of the carbon atoms in R.sub.1 and R.sub.2 is 18 or more.

Abstract: A color reversal image forming process using a color reversal photographic material is disclosed. The process comprises an exposure step, a black and white development step, a reversal step, a color development step and a desilvering step. The color reversal photographic material comprises a support and one or more silver halide emulsion layers. According to one embodiment of the present invention, at least one silver halide emulsion layer comprises silver halide containing chloride of not less than 90 mole %, iodide of 0 mole % and bromide of not more than 10 mole %. According to another embodiment, at least one silver halide emulsion layer comprises silver halide containing chloride of not less than 88 mole %, iodide of 0.1 to 2 mole % and bromide of not more than 10 mole %. The silver halide emulsion layer further contains a compound represented by the formula (Ia) or (Ib): ##STR1## wherein R.sup.11 is an alkyl group, an alkenyl group, a heterocyclic group or an aryl group; X.sup.