Abstract: A hardly graphitizable carbonaceous material can be used in a negative electrode material for nonaqueous electrolyte secondary batteries (for example, a lithium ion battery) having not only high charge capacity but also high charge-discharge efficiency and being fully charged to be used and a method for producing the same. Such hardly graphitizable carbonaceous material may have an oxygen element content of 0.25% by mass or less.

Abstract: The present invention relates to a carbonaceous material having: a ratio of a sulfur element content SXPS determined by an XPS method to a sulfur element content SNDIR determined by an NDIR method (SXPS/SNDIR) of 0.20 or more and 0.78 or less; and a specific surface area determined by a BET method of 40 m2/g or less.

Abstract: The present invention provides a carbonaceous material suitable for a negative electrode active material for non-aqueous electrolyte secondary batteries (e.g., lithium ion secondary batteries, sodium ion secondary batteries, lithium sulfur batteries, lithium air batteries) having high charge/discharge capacities, and preferably high charge/discharge efficiency and low resistance, a negative electrode comprising the carbonaceous material, a non-aqueous electrolyte secondary battery comprising the negative electrode, and a production method of the carbonaceous material. The present invention relates to a carbonaceous material having a nitrogen content obtained by elemental analysis of 3.5 mass % or more, a ratio of nitrogen content and hydrogen content (RN/H) of 6 or more and 100 or less, a ratio of oxygen content and nitrogen content (RO/N) of 0.1 or more and 1.0 or less, and a carbon interplanar spacing (d002) observed by X-ray diffraction measurement of 3.70 ? or more.

Abstract: Provided is a mercury adsorbent that can efficiently adsorb and remove mercury and/or a mercury compound contained in a liquid hydrocarbon and can suppress corrosive action even when used for a long time. The mercury adsorbent comprises an activated carbon including a mineral acid supported thereon, the activated carbon having a specific surface area of 1000 m2/g or larger and a volume of micropores of 80 cm3/g or larger, each of the micropores having a pore radius of 8 ? or smaller, and the mercury adsorbent has a moisture content of from 0.1 to 3 wt %.

Abstract: One aspect of the present invention is a carbon dioxide adsorption battery including: a negative electrode; a positive electrode; a separator disposed between the negative electrode and the positive electrode; and electrolyte layers respectively disposed between the negative electrode and the separator and between the positive electrode and the separator, wherein the negative electrode is a gas-permeable electrode, each of the electrolyte layers includes an electrolytic solution capable of dissolving carbon dioxide, and a redox compound having an N-oxy radical group within a molecule, and the separator suppresses permeation of the redox compound but is permeable to the electrolytic solution.

Abstract: Provided is an additive for nonaqueous electrolyte secondary battery positive electrodes, which can improve the electrical conductivity of electrodes, decrease the resistance of electrodes, and increase the use efficiency of cation species such as lithium ions, sodium ions, various quaternary ammonium salts, and phosphonium salts. The additive includes a carbonaceous material having a specific surface area as determined by the BET method of from 1,000 m2/g to 2,000 m2/g, a micropore volume as determined by the DFT method of less than 0.60 cm3/g, and an oxygen content as measured by elemental analysis of 0.5% by mass or more and less than 1.3% by mass.

Abstract: An object of the present invention is to provide an activated carbon that can efficiently remove fluorine-containing organic compounds and a treatment method of water containing fluorine-containing organic compounds. An activated carbon according to an aspect of the present invention has an average particle diameter of 0.1 to 10 mm, a BET specific surface area of 500 m2/g or more and 2000 m2/g or less, and a porosity inside a particle of 10% or more and 40% or less as obtained by X-ray CT. A water treatment method according to another aspect of the present invention includes a step of bringing the activated carbon into contact with water to be treated containing a fluorine-containing organic compound to obtain treated water having a fluorine-containing organic compound content of 0.1 ppb or less.

Abstract: Provided is a liquid crystal polyester fiber achievable of good mechanical properties by a heat treatment at a lower temperature for a shorter time and excellent in heat aging resistance. The liquid crystal polyester fiber includes at least one metallic element selected from the group consisting of metallic elements belonging to from Group 8 to Group 11 in Periodic Table. For example, the liquid crystal polyester fiber may contain the selected one or more metallic elements in a total content of from 1 to 1000 ppm by weight. The liquid crystal polyester fiber may contain the selected one or more metallic elements as one or more metallic compounds each having a melting point of (Mp0 + 30)°C or lower, wherein the Mp0 denotes a melting point of a liquid crystal polyester constituting the fiber.

Abstract: Provided are a liquid crystal polyester resin composition and a liquid crystal polyester fiber both capable of suppressing gas generation during melt-heating as well as producing a molded body of good quality with few bubbles. The liquid crystal polyester resin composition includes a liquid crystal polyester and at least one metallic element selected from the group consisting of metallic elements belonging to from Group 8 to Group 11 in Periodic Table. The liquid crystal polyester fiber includes the liquid crystal polyester resin composition. For example, the liquid crystal polyester fiber may have a total amount of carboxy end groups (total CEG amount) of 5.0 mEq/kg or less.

Abstract: A current collector, an electrode, and a non-aqueous electrolyte battery are provided. The current collector includes a conductive body having a three-dimensional porous structure. The current collector has an air permeability of 0.1 to 600 cc/cm2/sec and a thickness of less than 100 ?m. Also, the electrode includes the current collector and an electrode material layer disposed on at least one surface of the current collector. The non-aqueous electrolyte battery includes the electrode.

Abstract: One aspect of the present invention is an acidic gas separation device including: an electrolyte layer; a pair of electrodes provided with the electrolyte layer interposed between the pair of electrodes; and a voltage application unit that applies a voltage between the pair of electrodes, wherein the pair of electrodes are gas permeable electrodes, and the electrolyte layer contains: at least one selected from the group consisting of high molecular weight redox compounds having a radicalization rate of 90% or more, high molecular weight redox compounds having a quinone group in a molecule, and high molecular weight redox compounds having an imino group in a molecule; and a nonvolatile electrolytic solution.

Abstract: The present invention relates to a carbonaceous material which is derived from a plant, having a specific surface area of 1800 to 3000 m2/g as measured by a BET method, a hydrogen element content of 0.42% by mass or less and an oxygen element content of 1.5% by mass or less.

Abstract: The present invention provides a carbonaceous material suitable for a negative electrode active material for non-aqueous electrolyte secondary batteries (e.g., lithium ion secondary batteries, sodium ion secondary batteries, lithium sulfur batteries, lithium air batteries) having high charge/discharge capacities, and preferably high charge/discharge efficiency and low resistance, a negative electrode comprising the carbonaceous material, a non-aqueous electrolyte secondary battery comprising the negative electrode, and a production method of the carbonaceous material. The present invention relates to a carbonaceous material having a nitrogen content obtained by elemental analysis of 3.5 mass % or more, a ratio of nitrogen content and hydrogen content (RN/H) of 6 or more and 100 or less, a ratio of oxygen content and nitrogen content (RO/N) of 0.1 or more and 1.0 or less, and a carbon interplanar spacing (d002) observed by X-ray diffraction measurement of 3.70 ? or more.

Abstract: A hardly graphitizable carbonaceous material can be used in a negative electrode material for nonaqueous electrolyte secondary batteries (for example, a lithium ion battery) having not only high charge capacity but also high charge-discharge efficiency and being fully charged to be used and a method for producing the same. Such hardly graphitizable carbonaceous material may have an oxygen element content of 0.25% by mass or less.

Abstract: The present invention provides a carbonaceous material suitable for a negative electrode active material for non-aqueous electrolyte secondary batteries (e.g., lithium ion secondary batteries, sodium ion secondary batteries, lithium sulfur batteries, lithium air batteries) having high charge/discharge capacities, and preferably high charge/discharge efficiency and low resistance, a negative electrode comprising the carbonaceous material, a non-aqueous electrolyte secondary battery comprising the negative electrode, and a production method of the carbonaceous material. The present invention relates to a carbonaceous material having a nitrogen content obtained by elemental analysis of 3.5 mass % or more, a ratio of nitrogen content and hydrogen content (RN/H) of 6 or more and 100 or less, a ratio of oxygen content and nitrogen content (RO/N) of 0.1 or more and 1.0 or less, and a carbon interplanar spacing (d002) observed by X-ray diffraction measurement of 3.70 ? or more.

Abstract: The present invention relates to a binder composition for a non-aqueous electrolyte battery, which is characterized by containing (A) polyvinyl alcohol, (B) at least one selected from a copolymer of vinyl alcohol and ethylenically unsaturated carboxylic acid and a neutralized salt of the copolymer and (C) at least one selected from an amino acid, a carboxylic acid-containing polymer and a polyamine; and a binder aqueous solution for a non-aqueous electrolyte battery, a slurry composition for a non-aqueous electrolyte battery, an electrode for a non-aqueous electrolyte battery, and a non-aqueous electrolyte battery, each containing the binder composition; and others.

Abstract: Provided is a mercury adsorbent that can efficiently adsorb and remove mercury and/or a mercury compound contained in a liquid hydrocarbon and can suppress corrosive action even when used for a long time. The mercury adsorbent comprises an activated carbon including a mineral acid supported thereon, the activated carbon having a specific surface area of 1000 m2/g or larger and a volume of micropores of 80 cm3/g or larger, each of the micropores having a pore radius of 8 ? or smaller, and the mercury adsorbent has a moisture content of from 0.1 to 3 wt %.

Abstract: An object of the present invention is to provide a carbonaceous material used for an electric double layer capacitor having a high electrostatic capacity and capable of maintaining the high electrostatic capacity and energy density over a long period and a method for producing the same. The present invention relates to a carbonaceous material having a specific surface area of 1,200 m2/g to 1,800 m2/g according to a BET method, an R-value of 1.2 or more and a G-band half-value width of 70 cm?1 or more according to a Raman spectrum.

Abstract: A problem to be solved by the present invention is to provide a carbonaceous material suitable for a negative electrode active material for non-aqueous electrolyte secondary batteries (e.g., lithium ion secondary batteries, sodium ion secondary batteries, lithium sulfur batteries, lithium air batteries) having high charge/discharge capacities and preferably high charge/discharge efficiency as well as low resistance, a negative electrode comprising the carbonaceous material, a non-aqueous electrolyte secondary battery comprising the negative electrode, and a production method of the carbonaceous material. The present invention relates to a carbonaceous material having a nitrogen element content of 1.0 mass % or more and an oxygen content of 1.5 mass % or less obtained by elemental analysis, a ratio of nitrogen element content and hydrogen element content (RN/H) of 6 or more and 100 or less, a ratio of oxygen element content and nitrogen element content (RO/N) of 0.1 or more and 1.

Abstract: A carbonaceous material for a non-aqueous electrolyte secondary battery, having an average interplanar spacing d002 of the (002) plane within a range of 0.36 to 0.42 nm calculated by using the Bragg equation according to a wide-angle X-ray diffraction method, a specific surface area within a range of 8 to 30 m2/g obtained by a nitrogen adsorption BET three-point method, a nitrogen element content of 0.5 mass % or less, an oxygen element content of 0.3 mass % or less, and an average particle diameter of 1 to 2.8 ?m according to a laser scattering method.