Abstract: A catalyst for an air electrode of a metal air secondary battery, the catalyst containing Ca2FeCoO5 and YBaCo4O7, in which a mass ratio of a content of the YBaCo4O7 to a content of the Ca2FeCoO5 is 0.49 to 9.00.

Abstract: Proposed is an identification code for visually impaired people on printed matter to enable people with visual impairments to understand the information printed on the packaging or the contained product's information. In terms of printed matter with this identification code for visually impaired people, the identification code for visually impaired people is readable by a mobile device that has a camera and a specified code reading function, is displayed on the surface of the printed material, has Braille-like convex points projecting outward at multiple points around the identification code for visually impaired people, and has a predetermined distance from center to center of each convex point that is greater than the distance from center to center in the most laterally separated raised dots in adjacent Braille cells.

Abstract: Provided is a lithium ion secondary battery including: a positive electrode; a negative electrode; a separator; and an electrolyte, wherein: the positive electrode includes a current collector and a positive electrode active material layer formed on the current collector, the positive electrode active material layer contains a positive electrode active material, polyolefin particles, conductive particles and a binder, and the separator has a thermal shrinkage rate of 30% or less at 160° C.

Abstract: Provided is an electrolyte composition, comprising one or two or more polymers, oxide particles, at least one electrolyte salt selected from the group consisting of a lithium salt, a sodium salt, a calcium salt, and a magnesium salt, and a solvent, wherein structural units constituting the one or two or more polymers comprises a first structural unit selected from the group consisting of tetrafluoroethylene and vinylidene fluoride, and a second structural unit selected from the group consisting of hexafluoropropylene, acrylic acid, maleic acid, ethyl methacrylate, and methyl methacrylate, a content of the one or two or more polymers is more than 90% by mass based on a total amount of polymers in the electrolyte composition, and a mass ratio of a content of the first structural unit to a content of the second structural unit in the one or two or more polymers is 50/50 or more.

Abstract: Provided are a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the electrode active material layer including polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer; and a lithium ion secondary battery using the same.

Abstract: The present disclosure provides a binder resin composition comprising a polyolefin particle, an organic solvent and a polymer that is soluble in the organic solvent, as well as an electrode for a lithium ion secondary battery and a lithium ion secondary battery each using the binder resin composition.

Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and a separator, and the positive electrode includes a current collector, a conductive layer formed on the current collector, and a positive electrode active material layer formed on the conductive layer, the conductive layer includes a conductive particle, a polymer particle, and a water-soluble polymer, and the separator has a heat shrinkage ratio at 160° C. of 30% or less, or the separator includes a porous substrate and an inorganic particle, and the porous substrate includes a layered body in which polypropylene and polyethylene are alternately layered, or the separator includes an inorganic particle and a porous substrate including a woven or non-woven fabric of polyethylene terephthalate.

Abstract: The present disclosure provides a binder resin composition comprising a polyolefin particle, an organic solvent and a polymer that is soluble in the organic solvent, as well as an electrode for a lithium ion secondary battery and a lithium ion secondary battery each using the binder resin composition.

Abstract: The invention provides: a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the electrode active material layer including polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer; and a lithium ion secondary battery using the same.

Abstract: An information providing device: saves a posted document and respective electronic files of a translation thereof in one or more other languages, in association with one another; issues a code image including a two-dimensional code created by encoding a two-dimensional code character string for identifying the electronic file associated with the same identification information; receives, from a user terminal device that accesses the electronic file by decoding the two-dimensional code from the document on which the code image is printed, character code data indicating the language set in the user terminal device, and transmits the electronic file of the translation translated into the language indicated by the character code data to the user terminal device together with information that indicates the posting place of the document, thereby providing the translation and the information that indicates the posting place of the document.

Abstract: An information providing device: saves a posted document and respective electronic files of a translation thereof in one or more other languages, in association with one another; issues a code image including a two-dimensional code created by encoding a two-dimensional code character string for identifying the electronic file associated with the same identification information; receives, from a user terminal device that accesses the electronic file by decoding the two-dimensional code from the document on which the code image is printed, character code data indicating the language set in the user terminal device, and transmits the electronic file of the translation translated into the language indicated by the character code data to the user terminal device together with information that indicates the posting place of the document, thereby providing the translation and the information that indicates the posting place of the document.

Abstract: Disclosed is a cold-air generating device which comprises a first refrigerating system 15 including a first evaporator 1 and a compressor 4 and adapted to cool air to such a degree that the water contained therein will not become frozen, and a second refrigerating system 26 including a second evaporator 2 and a compressor 16 and adapted to further refrigerate the air dehumidified and cooled while passing through the first evaporator 1 down to a temperature below freezing point. Air inlets 27 and 28 may be provided in the upper sections of the first and second evaporators 1 and 2, respectively, so that a downward airflow will be generated therein, the respective lower sections of the first and second evaporators 1 and 2 being connected to each other through a drain pan 3. Furthermore, gauze 29 may be provided on that side of the second evaporator 2 which is connected to the first evaporator 1.