Abstract: A main object of the present disclosure is to provide a slurry capable of forming an all solid state battery with low ion resistivity. The present disclosure achieves the object by providing a slurry comprising a sulfide solid electrolyte and a solvent, and the solvent includes a first solvent and a second solvent, a boiling point of the first solvent is 80° C. or more and less than a crystallization temperature of the sulfide solid electrolyte, the first solvent is acyclic ether based solvent, acyclic ester based solvent, or acyclic ketone based solvent, and a boiling point of the second solvent is the crystallization temperature of the sulfide solid electrolyte or more.

Abstract: A main object of the present disclosure is to provide an all solid state battery including a dispersant-containing layer with good solid electrolyte dispersibility. The present disclosure solves the above problem by providing an all solid state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer, and at least one of the cathode layer, the anode layer, and the solid electrolyte layer is a dispersant-containing layer including at least a solid electrolyte and a dispersant, an amine value of the dispersant is 20 mgKOH/g or more and 200 mgKOH/g or less, a weight-average molecular weight of the dispersant is less than 1,500,000 g/mol, and a proportion of the dispersant in the dispersant-containing layer is 0.1 weight % or more and 20 weight % or less.

Abstract: A main object of the present disclosure is to provide a slurry capable of forming an all solid state battery with low ion resistivity. The present disclosure achieves the object by providing a slurry comprising a sulfide solid electrolyte and a solvent, and the solvent includes a first solvent and a second solvent, a boiling point of the first solvent is 80° C. or more and less than a crystallization temperature of the sulfide solid electrolyte, the first solvent is acyclic ether based solvent, acyclic ester based solvent, or acyclic ketone based solvent, and a boiling point of the second solvent is the crystallization temperature of the sulfide solid electrolyte or more.

Abstract: A method for producing an all solid state battery including a first current collector, a first active material layer, a solid electrolyte layer, a second active material layer and a second current collector stacked in this order, the method comprising: a transferring step of transferring a transfer layer onto the first current collector by using a transfer member including a transfer foil and the transfer layer, the transferring step being included in a step of forming at least one layer of the first active material layer, the solid electrolyte layer, and the second active material layer, and the transfer layer includes a binder, and in a thickness direction, a binder concentration of a surface portion on opposite side to the transfer foil is higher than a binder concentration of a surface portion on the transfer foil side.

Abstract: A method for producing an all solid state battery including a first current collector, a first active material layer, a solid electrolyte layer, a second active material layer and a second current collector stacked in this order, the method comprising: a transferring step of transferring a transfer layer onto the first current collector by using a transfer member including a transfer foil and the transfer layer, the transferring step being included in a step of forming at least one layer of the first active material layer, the solid electrolyte layer, and the second active material layer, and the transfer layer includes a binder, and in a thickness direction, a binder concentration of a surface portion on opposite side to the transfer foil is higher than a binder concentration of a surface portion on the transfer foil side.

Abstract: One aspect of the present invention provides an all-solid battery including a laminated electrode body having a structure portion in which an electrode mixture material layer and a solid electrolyte layer are laminated, and a sealing part for covering a lamination end face of the laminated electrode body. The electrode mixture material layer includes an active material and a binder resin. The sealing part includes a sealing resin and an insulation particle. The absolute value of the difference between the solubility parameter of the binder resin included in the electrode mixture material layer and the solubility parameter of the sealing resin included in the sealing part is 1.9 (cal/cm3)0.5 or less.

Abstract: Disclosed is a composition for non-aqueous secondary battery adhesive layer which comprises a particulate polymer and a binder, wherein the particulate polymer comprises 5% to 50% by mass of a (meth)acrylonitrile monomer unit and 0.1% to 3.5% by mass of a cross-linkable monomer unit. Also disclosed is a non-aqueous secondary battery adhesive layer prepared by using the composition for non-aqueous secondary battery adhesive layer. Also disclosed is a laminate which comprises a substrate and the non-aqueous secondary battery adhesive layer disposed on at least one side of the substrate either directly or indirectly through one or more other layers. Also disclosed is a non-aqueous secondary battery wherein at least one of a positive electrode, a negative electrode, and a separator comprises the non-aqueous secondary battery adhesive layer.

Abstract: A method for producing an all solid state battery including a first current collector, a first active material layer, a solid electrolyte layer, a second active material layer and a second current collector stacked in this order, the method comprising: a transferring step of transferring a transfer layer onto the first current collector by using a transfer member including a transfer foil and the transfer layer, the transferring step being included in a step of forming at least one layer of the first active material layer, the solid electrolyte layer, and the second active material layer, and the transfer layer includes a binder, and in a thickness direction, a binder concentration of a surface portion on opposite side to the transfer foil is higher than a binder concentration of a surface portion on the transfer foil side.

Abstract: A main object of the present disclosure is to provide a slurry capable of forming an all solid state battery with low ion resistivity. The present disclosure achieves the object by providing a slurry comprising a sulfide solid electrolyte and a solvent, and the solvent includes a first solvent and a second solvent, a boiling point of the first solvent is 80° C. or more and less than a crystallization temperature of the sulfide solid electrolyte, the first solvent is acyclic ether based solvent, acyclic ester based solvent, or acyclic ketone based solvent, and a boiling point of the second solvent is the crystallization temperature of the sulfide solid electrolyte or more.

Abstract: A main object of the present disclosure is to provide a method for producing an all-solid-state battery in which the used amount of the PVDF binder may be decreased, and the deterioration of the sulfide solid electrolyte may be suppressed. The present disclosure achieves the object by providing a method for producing an all-solid-state battery, the method comprising a step of forming an electrolyte-containing layer by using a slurry including a sulfide solid electrolyte containing a Li element, a P element, and a S element, a PVDF binder, and a solvent, and as a first solvent, the solvent includes 50 volume % or more of a ketone solvent represented by a general formula (1): wherein, in the general formula (1), R1 and R2 are each independently a saturated hydrocarbon group or an aromatic hydrocarbon group, and a carbon number of at least one of R1 and R2 is 2 or more.

Abstract: A composition for a non-aqueous secondary battery functional layer contains organic particles having a specific chemical composition and properties, and a binder. The organic particles contained in the composition for a functional layer include an aromatic monovinyl monomer unit in a proportion of at least 20 mass % and not more than 70 mass % and a (meth)acrylic acid alkyl ester monomer unit in a proportion of at least 30 mass % and not more than 70 mass %. The organic particles have a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 4.0, a volume-average particle diameter of at least 0.4 ?m and not more than 1.0 ?m, and a tetrahydrofuran-insoluble content of at least 20 mass % and not more than 70 mass %.

Abstract: One aspect of the present invention provides an all-solid battery including a laminated electrode body having a structure portion in which an electrode mixture material layer and a solid electrolyte layer are laminated, and a sealing part for covering a lamination end face of the laminated electrode body. The electrode mixture material layer includes an active material and a binder resin. The sealing part includes a sealing resin and an insulation particle. The absolute value of the difference between the solubility parameter of the binder resin included in the electrode mixture material layer and the solubility parameter of the sealing resin included in the sealing part is 1.9 (cal/cm3)0.5 or less.

Abstract: A composition for a non-aqueous secondary battery functional layer contains organic particles having a specific chemical composition and properties, and a binder. The organic particles contained in the composition for a functional layer include an aromatic monovinyl monomer unit in a proportion of at least 20 mass % and not more than 70 mass % and a (meth)acrylic acid alkyl ester monomer unit in a proportion of at least 30 mass % and not more than 70 mass %. The organic particles have a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 4.0, a volume-average particle diameter of at least 0.4 ?m and not more than 1.0 ?m, and a tetrahydrofuran-insoluble content of at least 20 mass % and not more than 70 mass %.

Abstract: A main object of the present disclosure is to provide a method for producing an all-solid-state battery in which the used amount of the PVDF binder may be decreased, and the deterioration of the sulfide solid electrolyte may be suppressed. The present disclosure achieves the object by providing a method for producing an all-solid-state battery, the method comprising a step of forming an electrolyte-containing layer by using a slurry including a sulfide solid electrolyte containing a Li element, a P element, and a S element, a PVDF binder, and a solvent, and as a first solvent, the solvent includes 50 volume % or more of a ketone solvent represented by a general formula (1): wherein, in the general formula (1), R1 and R2 are each independently a saturated hydrocarbon group or an aromatic hydrocarbon group, and a carbon number of at least one of R1 and R2 is 2 or more.

Abstract: Disclosed is a composition for non-aqueous secondary battery adhesive layer which comprises a particulate polymer and a binder, wherein the particulate polymer comprises 5% to 50% by mass of a (meth)acrylonitrile monomer unit and 0.1% to 3.5% by mass of a cross-linkable monomer unit. Also disclosed is a non-aqueous secondary battery adhesive layer prepared by using the composition for non-aqueous secondary battery adhesive layer. Also disclosed is a laminate which comprises a substrate and the non-aqueous secondary battery adhesive layer disposed on at least one side of the substrate either directly or indirectly through one or more other layers. Also disclosed is a non-aqueous secondary battery wherein at least one of a positive electrode, a negative electrode, and a separator comprises the non-aqueous secondary battery adhesive layer.

Abstract: Disclosed is a composition for non-aqueous secondary battery adhesive layer which comprises organic particles and a binder, wherein the organic particles comprise molecules having a weight-average molecular weight of 100 to 10,000, and a weight fraction of the molecules in the organic particles is 1% to 40%. Also disclosed is a non-aqueous secondary battery adhesive layer prepared by using the composition. Further disclosed is a non-aqueous secondary battery which comprises a positive electrode, a negative electrode, a separator, and an electrolysis solution, wherein at least one of the positive electrode, the negative electrode and the separator comprises the non-aqueous secondary battery adhesive layer.