Production method of sulfur-modified polyacrylonitrile

    公开(公告)号:US12209156B2

    公开(公告)日:2025-01-28

    申请号:US17763839

    申请日:2020-09-14

    Abstract: The present invention provides a method of producing sulfur-modified polyacrylonitrile, including: a step (1) of heating polyacrylonitrile and elemental sulfur in a rotating-type heating container including a discharge pipe and a sulfur vapor recovery unit while rotating the rotating-type heating container; a step (2) of liquefying a sulfur vapor by the sulfur vapor recovery unit while discharging hydrogen sulfide generated in the heating step; and a step (3) of returning the liquefied sulfur to a mixture of the sulfur and the polyacrylonitrile of the step (1).

    Method for producing organo-sulfur electrode active material

    公开(公告)号:US11223045B2

    公开(公告)日:2022-01-11

    申请号:US16756580

    申请日:2018-10-30

    Abstract: Disclosed is a sulfur-based electrode active material with which a nonaqueous electrolyte secondary battery that has a large capacity and exhibits less deterioration of the cycle characteristics can be obtained even when an electrode is employed in which the sulfur-based electrode active material is used as an electrode active material and an aluminum foil is used as a current collector. Also disclosed is a method for producing an organosulfur electrode active material, including a step of obtaining an organosulfur compound by heat-treating an organic compound and sulfur and a step of treating the organosulfur compound with a basic compound. The organosulfur compound is preferably sulfur-modified polyacrylonitrile, and the basic compound is preferably ammonia. The organosulfur compound may be treated with the basic compound after the organosulfur compound is ground, or may be ground in a medium that contains the basic compound.

    Organo sulfur-based electrode active material

    公开(公告)号:US11594732B2

    公开(公告)日:2023-02-28

    申请号:US16960782

    申请日:2019-02-25

    Abstract: Disclosed is an electrode active material that has a large charge discharge capacity, a high initial efficiency, as well as excellent cycle characteristics and rate characteristics and is favorably used in a non-aqueous electrolyte secondary battery. An organo sulfur-based electrode active material contains sodium and potassium in a total amount of 100 ppm by mass to 1000 ppm by mass; an electrode for use in a secondary battery, the electrode containing the organo sulfur-based electrode active material as an electrode active material; and a non-aqueous electrolyte secondary battery including the electrode. Preferably, the organo sulfur-based electrode active material further contains iron in an amount of 1 ppm by mass to 20 ppm by mass. Preferably, the organo sulfur-based electrode active material is sulfur-modified polyacrylonitrile, and the amount of sulfur in the organo sulfur-based electrode active material is 25 mass % to 60 mass %.

    NOVEL COMPOUND AND PHOTOSENSITIVE RESIN COMPOSITION
    5.
    发明申请
    NOVEL COMPOUND AND PHOTOSENSITIVE RESIN COMPOSITION 有权
    新型化合物和光敏树脂组合物

    公开(公告)号:US20150064623A1

    公开(公告)日:2015-03-05

    申请号:US14381772

    申请日:2013-03-05

    Abstract: A novel compound having satisfactory sensitivity (base generating performance), a photosensitive resin composition containing the compound as a photo-initiator, and a cured product of the composition are provided. Specifically, a compound represented by general formula (1) (compound (1)), a photosensitive resin composition containing (A) a photo-initiator including at least one compound (1) and (B) a photosensitive resin are provided. Preferred are the compound (1) in which R1 is an unsubstituted or substituted C6-C20 aromatic hydrocarbon group, the compound (1) in which at least one of R5, R6, R7, R8, R9, R10, and R11 is nitro, and the compound (1) in which n is 0. The symbols in general formula (1) are as defined in the description.

    Abstract translation: 提供具有令人满意的灵敏度的新化合物(碱产生性能),含有该化合物作为光引发剂的感光性树脂组合物和该组合物的固化物。 具体而言,提供由通式(1)表示的化合物(化合物(1)),含有(A)含有至少一种化合物(1)和(B)感光性树脂的光引发剂的感光性树脂组合物。 优选的是其中R 1是未取代或取代的C 6 -C 20芳族烃基的化合物(1),其中R 5,R 6,R 7,R 8,R 9,R 10和R 11中的至少一个是硝基的化合物(1) 和其中n为0的化合物(1)。通式(1)中的符号如说明书中所定义。

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