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    Cellulose derivative and use thereof
    1.
    发明授权
    Cellulose derivative and use thereof 有权

    公开(公告)号：US10982009B2

    公开(公告)日：2021-04-20

    申请号：US15766116

    申请日：2016-08-29

    Applicant: NEC CORPORATION

    Inventor： Midori Shimura ,  Shukichi Tanaka ,  Kiyohiko Toyama ,  Masatoshi Iji

    IPC: C08B1/00 ,  C08B3/16 ,  C08L1/14 ,  C08B1/02 ,  C08L1/10

    Abstract: To provide a cellulose derivative excellent in thermoplasticity, water resistance and strength (elastic modulus, impact strength), a cellulose derivative, which is obtained by introducing a short-chain organic group (acetyl group), a medium-chain organic group having 3 to 5 carbon atoms and a long-chain organic group having 6 to 30 carbon atoms at the following substitution degrees DSs into a cellulose, is used: Short-chain organic group: 0.7≤DSSH≤1.5; Medium-chain organic group: 0.5≤DSME≤2.0; Long-chain organic group: 0.1≤DSLO

    SECONDARY BATTERY
    3.
    发明申请
    SECONDARY BATTERY 有权
    二次电池

    公开(公告)号：US20150194703A1

    公开(公告)日：2015-07-09

    申请号：US14410959

    申请日：2013-06-10

    Applicant: NEC Corporation

    Inventor： Masahiro Suguro ,  Midori Shimura

    IPC: H01M10/0567 ,  H01M10/0585 ,  H01M4/48 ,  H01M2/02 ,  H01M10/052 ,  H01M4/38

    CPC classification number: H01M10/0567 ,  H01M2/0262 ,  H01M2/0287 ,  H01M4/13 ,  H01M4/36 ,  H01M4/38 ,  H01M4/386 ,  H01M4/483 ,  H01M4/587 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/056 ,  H01M10/0585 ,  H01M10/4235 ,  H01M2220/20 ,  H01M2300/0025 ,  Y02E60/122 ,  Y02T10/7011

    Abstract: The present invention relates to a secondary battery, comprising an electrode element in which a positive electrode and a negative electrode are opposed to each other, and an electrolyte solution, wherein the negative electrode active material comprises a metal alloyable with lithium and/or a metal oxide capable of intercalating/deintercalating lithium ions, and the electrolyte solution is a nonaqueous electrolyte solution comprising an electrolyte salt dissolved in a nonaqueous solvent, and comprises a carbonyl compound represented by the following formula (1): wherein two R1s may be the same or different from each other, and each independently represents hydrogen atom, substituted or unsubstituted alkyl group, cycloalkyl group, alkenyl group, alkynyl group, substituted or unsubstituted aromatic group, oxyalkylene group, substituted or unsubstituted alkoxy group, cycloalkyloxy group, alkenyloxy group, alkynyloxy group, substituted or unsubstituted aromatic oxy group, or oxyalkyleneoxy group.

    Abstract translation: 二次电池技术领域本发明涉及一种二次电池，其包括其中正极和负极彼此相对的电极元件和电解质溶液，其中负极活性材料包括可与锂和/或金属合金化的金属 能够插入/脱嵌锂离子的氧化物，电解质溶液是包含溶解在非水溶剂中的电解质盐的非水电解质溶液，并且包含由下式（1）表示的羰基化合物：其中两个R 1可以相同或 各自独立地表示氢原子，取代或未取代的烷基，环烷基，烯基，炔基，取代或未取代的芳基，氧化烯基，取代或未取代的烷氧基，环烷氧基，烯氧基，炔氧基 取代或未取代的芳氧基，或氧亚烷基氧基 组。

    NONAQUEOUS ELECTROLYTE SOLUTION AND SECONDARY BATTERY USING SAME
    5.
    发明申请
    NONAQUEOUS ELECTROLYTE SOLUTION AND SECONDARY BATTERY USING SAME 审中-公开
    非电解电解液和二次电池使用相同

    公开(公告)号：US20150037667A1

    公开(公告)日：2015-02-05

    申请号：US14374961

    申请日：2013-01-23

    Applicant: NEC Corporation

    Inventor： Masahiro Suguro ,  Midori Shimura

    IPC: H01M10/0567 ,  H01M4/133 ,  H01M4/38 ,  H01M4/48 ,  H01M4/583 ,  H01M4/134 ,  H01M4/36

    CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/364 ,  H01M4/386 ,  H01M4/48 ,  H01M4/485 ,  H01M4/583 ,  H01M4/587 ,  H01M4/622 ,  H01M10/052 ,  H01M10/0585 ,  H01M2004/027 ,  H01M2300/0025 ,  Y02T10/7011

    Abstract: Disclosed is a nonaqueous electrolyte solution containing a nonaqueous solvent, an electrolyte salt dissolved in the nonaqueous solvent, and a conjugated carbonyl compound represented by the following formula (1). A secondary battery using this nonaqueous electrolyte solution shows an excellent cycle characteristic under a high-temperature environment even if a negative electrode active material containing silicon is used. wherein R1 represents R2a or —CO—R2a, R2a having a meaning given to R2, and R2 represents a hydrogen atom, an acyl group, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a substituted or unsubstituted aromatic group, an oxyalkylene group, an alkoxy group, a cycloalkyloxy group, an alkenyloxy group, an alkynyloxy group, an aromatic oxy group, an oxyalkyleneoxy group or the like.

    Abstract translation: 公开了含有非水溶剂，溶解在非水溶剂中的电解质盐和由下式（1）表示的共轭羰基化合物的非水电解质溶液。 即使使用含有硅的负极活性物质，使用该非水电解液的二次电池在高温环境下也显示优异的循环特性。 其中R1表示R2a或-CO-R2a，R2表示R2表示的含义，R2表示氢原子，酰基，烷基，环烷基，烯基，炔基，取代或未取代的芳族 基团，氧化烯基，烷氧基，环烷氧基，烯氧基，炔氧基，芳氧基，氧亚烷基氧基等。

    Cellulose resin, molding material, molded body, and method for producing cellulose resin
    7.
    发明授权
    Cellulose resin, molding material, molded body, and method for producing cellulose resin 有权

    公开(公告)号：US11572416B2

    公开(公告)日：2023-02-07

    申请号：US16617571

    申请日：2018-05-31

    Applicant: NEC CORPORATION

    Inventor： Shukichi Tanaka ,  Midori Shimura

    IPC: C08B3/16 ,  C08B3/26

    Abstract: A cellulose resin wherein a hydrogen atom of a hydroxy group of cellulose is substituted with a long-chain component which is a linear saturated aliphatic acyl group having 14 or more carbon atoms and a short-chain component which is an acyl group (propionyl group) having 3 carbon atoms, the degree of substitution with the long-chain component (DSLo) and the degree of substitution with the short-chain component (DSSh) satisfy the following conditional expressions (1) and (2): DSLo+DSSh≥2.1  (1) 4≤DSSh/DSLo≤12  (2), the Izod impact strength is 5.0 kJ/m2 or more, and the MFR (melt flow rate at 200° C. and under a load of 5 kg) is 10 g/10 min or more.

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