Abstract: According to the invention, a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte is provided. The negative electrode contains a negative electrode active material, a conductive material, and a binder. When an average particle size of the conductive material is referred to as De, and an average particle size of the binder is referred to as Db, Db?De is satisfied. In other words, the average particle size Db of the binder is equal to or smaller than the average particle size De of the conductive material.

Abstract: A nonaqueous electrolyte secondary battery includes: a negative electrode current collector core; and a negative electrode mixture layer that is formed on the negative electrode current collector core. The negative electrode mixture layer contains a diene rubber binder. A section of the negative electrode mixture layer in a thickness direction is divided into a first region, a second region, and a third region from a negative electrode current collector core side by trisecting the negative electrode mixture layer in the thickness direction. An abundance of the diene rubber binder in the second region is greater than an abundance of the diene rubber binder in the first region. The third region contains the diene rubber binder having an oxidized carbon-carbon double bond.

Abstract: A positive electrode includes first positive electrode active material particles and second positive electrode active material particles. The first positive electrode active material particles include 0.1% by mass or more and 1% by mass or less of lithium carbonate and a first lithium transition metal oxide as a remainder. The first lithium transition metal oxide is represented by LiM1(1-z1)Mnz1O2 (0.05?z1?0.20). The second positive electrode active material particles include 0.01% by mass or more and 0.05% by mass or less of lithium carbonate and a second lithium transition metal oxide as a remainder. The second lithium transition metal oxide is represented by LiM2(1-z2)Mnz2O2 (0.40?z2?0.60). An electrolytic solution includes 1% by mass or more and 5% by mass or less of an overcharging additive and a solvent and a lithium salt as a remainder.

Abstract: A wearing article includes a front waist panel, a rear waist panel and a crotch panel having an absorbent structure wherein respective inner end edges of the front and rear waist panels cooperate with both side edges of the crotch panel extending in a longitudinal direction to define peripheries of a pair of leg-openings. The crotch panel is provided with a pair of elasticized leg sheets joined to both side edges of the absorbent structure and extending in a longitudinal direction. Each of the elasticized leg sheets having a non-elasticized region adjacent to the absorbent structure and an elasticized region adjacent to the non-elasticized region so that the non-elasticized region rises along the associated side edge of the absorbent structure to the associated leg-opening and the elasticized region extends outward in a transverse direction of the wearing article so as to form the associated leg-opening.

Abstract: A positive electrode and a negative electrode are stacked so as to face each other with a separator and a low spring constant film interposed therebetween. The positive electrode or the negative electrode has a first spring constant that is the lowest spring constant of the positive electrode, the negative electrode and the separator. The low spring constant film has a second spring constant. The second spring constant is lower than the first spring constant.

Abstract: A positive electrode mixture layer (12) includes a first layer (12a) that has a main surface MS and a second layer (12b) formed closer to the positive electrode current collector (11) side than the first layer (12a). A ratio of the volume of the first layer (12a) to the volume of the positive electrode mixture layer (12) is 20 to 75 vol %. The first layer (12a) contains lithium iron phosphate (LFP) (1) and lithium nickel cobalt manganese composite oxide (NCM) (2). A ratio of the mass of the LFP (1) to the total mass of the LFP (1) and the NCM (2) in the first layer (12a) is more than 0 and 80 mass % or less. The second layer (12b) contains NCM (2). A ratio of the mass of the LFP (1) to the total mass of the positive electrode active material in the positive electrode mixture layer (12) is 7.5 to 20 mass %. A maximum pore size of the first layer (12a) is 0.50 to 0.70 ?m.

Abstract: A shaped non-woven fabric for an absorbent has a first surface and a second surface and is usable with the second surface facing a constituent member of an absorbent article. The shaped non-woven fabric is includes a thermoplastic resin fiber. The non-woven fabric includes a plurality of first recesses which have openings in the first surface and are recessed toward the second surface, and a plurality of through-holes which penetrate from the first surface to the second surface. Each of the plurality of first recesses has a peripheral wall section which extends in the thickness direction from the end edges of the openings toward the second surface, and a bottom section connected to the end edge of the peripheral wall section. At least a portion of the plurality of first recesses includes a hole section which penetrates from the first surface to the second surface.

Abstract: The present invention aims to provide a disposable pull-on diaper improved so that the diaper may be conveniently put on the wearer's body. Each of leg side flaps of a crotch panel has an outer side region and an inner side region. In the lowest region of the crotch region, the outer side region and the inner side region respectively have a dimension of at least 10 mm in a transverse direction wherein the inner side region extends in a longitudinal direction and the outer side region extends in the transverse direction from the inner side region.

Abstract: A disposable diaper, having a longitudinal direction and a lateral direction, an absorbent main body having an absorbent body, a back waist part located on one end of the absorbent main body, and an abdominal waist part located on another end of the absorbent body, the absorbent body having side parts in the lateral direction provided with a pair of embossed lines formed by embossing from a skin side of the absorbent body, and the embossed lines each including a protrusion point, protruding inward in the lateral direction, located in a center of the disposable diaper in the longitudinal direction in a midsection of the disposable diaper or on a back waist part side with respect to the center, and a back line, linear or curved outward, extending outward in the lateral direction from the protrusion point, as a starting point, toward the back waist part in the longitudinal direction.

Abstract: A disposable diaper, having a longitudinal direction and a lateral direction, an absorbent main body having an absorbent body, a back waist part located on one end of the absorbent main body, and an abdominal waist part located on another end of the absorbent body, the absorbent body having side parts in the lateral direction provided with a pair of embossed lines formed by embossing from a skin side of the absorbent body, and the embossed lines each including a protrusion point, protruding inward in the lateral direction, located in a center of the disposable diaper in the longitudinal direction in a midsection of the disposable diaper or on a back waist part side with respect to the center, and a back line, linear or curved outward, extending outward in the lateral direction from the protrusion point, as a starting point, toward the back waist part in the longitudinal direction.

Abstract: A secondary battery includes a wound electrode assembly in which a positive electrode sheet, a negative electrode sheet and a separator are stacked and wound. The positive electrode sheet is provided with a long positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer is disposed on the positive electrode current collector. The negative electrode sheet is provided with a long negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is disposed on the negative electrode current collector. The separator is interposed between the positive electrode sheet and the negative electrode sheet. The negative electrode current collector has a first active material layer-free region at one edge of the negative electrode current collector in a winding direction of an axis of the wound electrode assembly.

Abstract: Provided is a secondary battery that exhibits excellent retention of an electrolyte solution in an electrode body and excellent high rate charging and discharging characteristics. A secondary battery provided by the present invention includes an electrode body, which has a positive electrode, a negative electrode and a separator that electrically isolates the positive electrode from the negative electrode, and an electrolyte solution. In addition, the secondary battery has a non-woven fabric layer between the separator and the positive electrode and/or between the separator and the negative electrode. At least some of the fibers that constitute the non-woven fabric layer have one non-through hole in each of the fibers, with the non-through hole having an opening in one end of the fiber in a length direction thereof and extending in the length direction of the fiber.

Abstract: A method of manufacturing a positive electrode includes: preparing a current collector foil having a first main surface and a second main surface; obtaining a granulated body in which a solvent remains by mixing a positive electrode active material, a conductive material, a binder, and the solvent with each other to obtain a mixture and granulating the mixture; obtaining a first positive electrode mixture layer by pressing the granulated body into a sheet shape; arranging the first positive electrode mixture layer on the first main surface; and heating the current collector foil in a state where the first positive electrode mixture layer is arranged on the first main surface, such that a temperature of the current collector foil becomes a softening point of the current collector foil or higher and that a temperature of the first positive electrode mixture layer is lower than a melting point of the binder.

Abstract: A separator 1 for a nonaqueous electrolyte secondary battery, includes a resin-made substrate (2) and a porous heat resistance layer (4) disposed on the substrate. The porous heat resistance layer includes an inorganic filler (6) and hollow bodies (7). The hollow body includes a shell portion and a hollow portion. The shell portion is formed of an acryl resin. The hollow portion is formed inside the shell portion. An opening portion extending through the shell portion to spatially interconnect the hollow portion and the outside of the shell portion is formed in the shell portion.

Abstract: A shaped non-woven fabric for an absorbent has a first surface and a second surface and is usable with the second surface facing a constituent member of an absorbent article. The shaped non-woven fabric is includes a thermoplastic resin fiber. The non-woven fabric includes a plurality of first recesses which have openings in the first surface and are recessed toward the second surface, and a plurality of through-holes which penetrate from the first surface to the second surface. Each of the plurality of first recesses has a peripheral wall section which extends in the thickness direction from the end edges of the openings toward the second surface, and a bottom section connected to the end edge of the peripheral wall section. At least a portion of the plurality of first recesses includes a hole section which penetrates from the first surface to the second surface.

Abstract: This invention provides a lithium secondary battery that comprises a positive electrode comprising a positive electrode active material layer and a negative electrode comprising a negative electrode active material layer. The positive electrode active material layer and the negative electrode active material layer are placed to face each other. The negative electrode active material layer has an area A comprising a non-positive-electrode-facing portion that does not face the positive electrode active material layer. The area A comprises a negative electrode active material, a hot-melt binder and a temperature-sensitive thickener. The hot-melt binder has a melting point and the temperature-sensitive thickener has a gelation temperature both in a range of 45° C. to 100° C.

Abstract: A pull-on disposable wearing article having leg-openings of sufficient size to assure that respective peripheries of the leg-openings to reliably cover the wearer's buttocks without apprehension that the peripheries of the leg-openings might collapse inward. A crotch panel at least includes an absorbent structure located on a skin-facing surface of a crotch region and a pair of elastic side flaps extending outward in a transverse direction from both side edges of the absorbent structure. The elastic side flaps have inelastic regions defined on the outer sides in the transverse direction of both side edges of the absorbent structure and elastic regions defined on the outer sides in the transverse direction of the respective inelastic regions. The crotch panel has a dimension in the transverse direction corresponding to about 55 to about 70% of a dimension in the transverse direction of the front and rear waist regions.

Abstract: A positive electrode includes first positive electrode active material particles and second positive electrode active material particles. The first positive electrode active material particles include 0.1% by mass or more and 1% by mass or less of lithium carbonate and a first lithium transition metal oxide as a remainder. The first lithium transition metal oxide is represented by LiM1(1-z1)Mnz1O2 (0.05?z1?0.20). The second positive electrode active material particles include 0.01% by mass or more and 0.05% by mass or less of lithium carbonate and a second lithium transition metal oxide as a remainder. The second lithium transition metal oxide is represented by LiM2(1-z2)Mnz2O2 (0.40?z2?0.60). An electrolytic solution includes 1% by mass or more and 5% by mass or less of an overcharging additive and a solvent and a lithium salt as a remainder.

Abstract: An inversion plate short-circuits the positive electrode external terminal and the negative electrode external terminal to each other by changing its position. A temperature sensitive member is disposed adjacent to the inversion plate on the side opposite to a direction in which the inversion plate changes its position. The volume of temperature sensitive member increases due to a rise in temperature. The temperature sensitive member contains aluminum phosphite and calcium carbonate.

Abstract: A method of manufacturing a negative electrode for a nonaqueous electrolyte secondary battery includes: preparing a copper foil having a first main surface and a second main surface that are opposite sides of the copper foil; obtaining a granulated body by mixing a negative electrode active material, a thickener, a binder, and a solvent with each other to obtain a mixture and by granulating the mixture; obtaining a first negative electrode mixture layer by pressing the granulated body; arranging the first negative electrode mixture layer on the first main surface; and softening the copper foil by bringing the second main surface into contact with a heated roller in a state where the first negative electrode mixture layer is arranged on the first main surface. A temperature of the heated roller is a recrystallization temperature of the copper foil or higher.