Abstract: A fiber structure includes a cylindrical body that has a plurality of fiber layers including: a first fiber layer including at least one of a first yarn and a second yarn; and a second fiber layer including the first yarn and the second yarn. The first yarn and the second yarn are formed of reinforced fibers. The first fiber layer does not include interlaced sections in which the second yarn is interlaced with the first yarn. One of the fiber layers that forms an inner surface of the cylindrical body serves as an innermost layer. Another one of the fiber layers that forms an outer surface of the cylindrical body serves as an outermost layer. At least one of the innermost layer and the outermost layer is formed of the second fiber layer, and the second fiber layer includes the interlaced sections.

Abstract: A positive active material for a nonaqueous electrolyte secondary battery is provided. The positive active material contains a lithium-transition metal composite oxide. The lithium-transition metal composite oxide has an ?-NaFeO2-type crystal structure. The lithium-transition metal composite oxide is represented by the general formula Li1+?Me1??O2 where 0<?, Me is a transition metal element containing Ni and Mn, or containing Ni, Mn, and Co, a molar ratio Mn/Me of Mn to Me meets Mn/Me?0.45. The positive active material has a ratio a/b of 17?a/b?25 between a discharge capacity (a) from 4.35 V (vs. Li/Li+) to 3.0 V (vs. Li/Li+) and a discharge capacity (b) from 3.0 V (vs. Li/Li+) to 2.0 V (vs. Li/Li+).

Abstract: A nonaqueous electrolyte solution secondary battery according to one aspect of the present invention is a nonaqueous electrolyte solution secondary battery including a positive electrode and a nonaqueous electrolyte solution. The positive electrode contains a sulfur-mesoporous carbon composite that is a composite of a sulfur-based active material and mesoporous carbon. The nonaqueous electrolyte solution contains a fluorinated solvent. The fluorinated solvent contains a chain fluorinated carbonate, a chain fluorinated carboxylic acid ester, or a combination thereof.

Abstract: A nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode includes, as an active material, a lithium-transition metal composite oxide that has an ?-NaFeO2-type crystal structure, and is represented by the general formula Li1+?Me1??O2 (0<?, Me is a transition metal element containing Ni and Mn, or containing Ni, Mn, and Co), and has a diffraction peak observed in the range of 20° or more and 22° or less in an X-ray diffraction pattern obtained with a CuK? line.

Abstract: A positive active material for a nonaqueous electrolyte secondary battery, containing a lithium-transition metal composite oxide, in which the lithium-transition metal composite oxide has an ?-NaFeO2 structure, with the molar ratio Li/Me of Li to the transition metal (Me) being 1.05?Li/Me<1.4, and contains Ni and Mn, or contains Ni, Co, and Mn as the transition metal (Me), with the molar ratio Mn/Me of Mn to Me being 0.4?Mn/Me<0.6, and the molar ratio Ni/Me of Ni to Me being 0.2?Ni/Me?0.6.

Abstract: A nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte, the positive electrode containing, as a positive active material, a lithium transition metal composite oxide having an ?-NaFeO2 type crystal structure, a molar ratio of Li to Me, Li/Me of more than 1, Me representing transition metal elements including Ni and Mn or including Ni, Mn, and Co, and a molar ratio of Mn to Me, Mn/Me of 0.40 or more and 0.65 or less, and the nonaqueous electrolyte containing, as an electrolyte salt, LiPF6 and a lithium imide salt.

Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes: a positive electrode containing a composite of porous carbon and sulfur; and a nonaqueous electrolyte containing a nonaqueous solvent containing an unsaturated cyclic carbonate and a lithium salt, in which a cumulative 70% pore size of the porous carbon is 2.0 nm or more and 7.0 nm or less, a content of the unsaturated cyclic carbonate in the nonaqueous solvent is 10 vol % or more, and a positive electrode potential at an end-of-discharge voltage in normal use is 1.0 V vs. Li/Li+ or less.

Abstract: An all-solid-state electrochemical device according to one aspect of the present invention includes: a positive active material layer; an isolation layer; and a negative active material layer, in which the positive active material layer includes a sulfur-carbon composite, the sulfur-carbon composite contains sulfur and porous carbon, and the carbon has an average pore size of 0.5 nm or more and 3.0 nm or less and an average particle size of 0.1 ?m or more and 30.0 ?m or less.

Abstract: A fiber structure includes a cylindrical body that has a plurality of fiber layers including: a first fiber layer including at least one of a first yarn and a second yarn; and a second fiber layer including the first yarn and the second yarn. The first yarn and the second yarn are formed of reinforced fibers. The first fiber layer does not include interlaced sections in which the second yarn is interlaced with the first yarn. One of the fiber layers that forms an inner surface of the cylindrical body serves as an innermost layer. Another one of the fiber layers that forms an outer surface of the cylindrical body serves as an outermost layer. At least one of the innermost layer and the outermost layer is formed of the second fiber layer, and the second fiber layer includes the interlaced sections.

Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes a sulfur-containing positive electrode and a nonaqueous electrolyte containing a nonaqueous solvent containing an unsaturated cyclic carbonate, and the nonaqueous electrolyte further contains at least one ester selected from the group consisting of a chain ester and an unsubstituted saturated cyclic ester.

Abstract: A nonaqueous electrolyte energy storage device according to an aspect of the present invention includes: a positive electrode containing a composite of sulfur and a carbon material; a negative electrode containing lithium; and a nonaqueous electrolyte containing a nonaqueous solvent containing a carbonate, in which the content of oxygen extracted in a range of 1,000° C. to 1,200° C. in the carbon material is 0.11% by mass or more.

Abstract: A method for manufacturing a pressure container includes thermally curing a thermosetting resin with which a fiber-reinforced base material is impregnated. The thermally curing step includes thermally curing the thermosetting resin by heat exchange with a fluid supplied to an inside of a liner; and thermally curing the thermosetting resin by heating from an outer surface side of the fiber-reinforced base material. A temperature of the fluid supplied to the inside of the liner is higher than a temperature of the helating from the outer surface side of the fiber-reinforced base material so that the thermosetting resin is thermally cured from an inner surface side of the fiber-reinforced base material adjacent to the liner before the outer surface side of the fiber-reinforced base material.

Abstract: A nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte, the positive electrode containing, as a positive active material, a lithium transition metal composite oxide having an ?-NaFeO2 type crystal structure, a molar ratio of Li to Me, Li/Me of more than 1, Me representing transition metal elements including Ni and Mn or including Ni, Mn, and Co, and a molar ratio of Mn to Me, Mn/Me of 0.40 or more and 0.65 or less, and the nonaqueous electrolyte containing, as an electrolyte salt, LiPF6 and a lithium imide salt.

Abstract: A nonaqueous electrolyte solution secondary battery according to one aspect of the present invention is a nonaqueous electrolyte solution secondary battery including a positive electrode and a nonaqueous electrolyte solution. The positive electrode contains a sulfur-mesoporous carbon composite that is a composite of a sulfur-based active material and mesoporous carbon. The nonaqueous electrolyte solution contains a fluorinated solvent. The fluorinated solvent contains a chain fluorinated carbonate, a chain fluorinated carboxylic acid ester, or a combination thereof.

Abstract: A nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode includes, as an active material, a lithium-transition metal composite oxide that has an ?-NaFeO2-type crystal structure, and is represented by the general formula Li1+?Me1??O2 (0<?, Me is a transition metal element containing Ni and Mn, or containing Ni, Mn, and Co), and has a diffraction peak observed in the range of 20° or more and 22° or less in an X-ray diffraction pattern obtained with a CuK? line.

Abstract: A positive active material for a nonaqueous electrolyte secondary battery, containing a lithium-transition metal composite oxide, in which the lithium-transition metal composite oxide has an ?-NaFeO2 structure, with the molar ratio Li/Me of Li to the transition metal (Me) being 1.05?Li/Me<1.4, and contains Ni and Mn, or contains Ni, Co, and Mn as the transition metal (Me), with the molar ratio Mn/Me of Mn to Me being 0.4?Mn/Me<0.6, and the molar ratio Ni/Me of Ni to Me being 0.2?Ni/Me?0.6.

Abstract: A liquid storage container which can be securely inflated within an external container. The liquid storage container includes a bag body and an ejection outlet. The bag body includes a plurality of bellows portions formed by accordion-folding the bag body along longitudinal crease lines, and has a double-folded portion formed by folding the bag body along an upper lateral crease line and a lower lateral crease line. With reference to the bag body, the following relations are satisfied: 10%<X/H<50%, 3%<Y/H<10%, where H is the length of the bag body, x is the distance between the top periphery and the lower lateral crease line, and Y is the distance between the upper lateral crease line and the lower lateral crease line.

Abstract: A liquid storage container which can be securely inflated within an external container. The liquid storage container includes a bag body and an ejection outlet. The bag body includes a plurality of bellows portions formed by accordion-folding the bag body along longitudinal crease lines, and has a double-folded portion formed by folding the bag body along an upper lateral crease line and a lower lateral crease line. With reference to the bag body, the following relations are satisfied: 10%<X/H<50%, 3%<Y/H<10%, where H is the length of the bag body, x is the distance between the top periphery and the lower lateral crease line, and Y is the distance between the upper lateral crease line and the lower lateral crease line.

Abstract: A liquid storage container which can be securely inflated within an external container. The liquid storage container includes a bag body and an ejection outlet. The bag body includes a plurality of bellows portions formed by accordion-folding the bag body along longitudinal crease lines, and has a double-folded portion formed by folding the bag body along an upper lateral crease line and a lower lateral crease line. With reference to the bag body, the following relations are satisfied: 10%<X/H<50%, 3%<Y/H<10%, where H is the length of the bag body, X is the distance between the top periphery and the lower lateral crease line, and Y is the distance between the upper lateral crease line and the lower lateral crease line.

Abstract: There is provided a chemical storage container which is capable of replacing the internal atmosphere with dry air. The chemical storage container includes a metal can having a top opening, a chemical storage bag disposed in the metal can, and an ejection member mounted to the chemical storage bag. Dry air is supplied through a dry air supply opening into the chemical storage bag, and the dry air in the chemical storage bag is discharged to the outside via a chemical nozzle.