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    METHOD FOR PRODUCING SECONDARY BATTERY
    1.
    发明申请
    METHOD FOR PRODUCING SECONDARY BATTERY 有权
    生产二次电池的方法

    公开(公告)号：US20160308252A1

    公开(公告)日：2016-10-20

    申请号：US15103402

    申请日：2014-08-08

    Applicant: NEC CORPORATION

    Inventor： Jiro IRIYAMA ,  Makihiro OTOHATA ,  Kazuaki MATSUMOTO ,  Ikiko SHIMANUKI

    IPC: H01M10/0585 ,  H01M2/12 ,  H01M10/44 ,  H01M2/36

    CPC classification number: H01M10/0585 ,  H01M2/12 ,  H01M2/36 ,  H01M2/361 ,  H01M2/362 ,  H01M2/365 ,  H01M10/05 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/446

    Abstract: It is an object of the present invention to provide a method for producing a secondary battery in which water in the outer package can be removed even when the secondary battery includes an electrolytic solution containing a halogen-containing compound. The present exemplary embodiment is a method for producing a secondary battery including an electrolytic solution containing a supporting salt, a nonaqueous solvent, and a halogen-containing compound, an electrode assembly including a negative electrode and a positive electrode, and an outer package, the method including (1) disposing a first solution containing at least the supporting salt and the nonaqueous solvent, and the electrode assembly in the outer package; (2) charging the electrode assembly; (3) emitting from the outer package a gas generated by the charge; and (4) injecting a second solution including at least the halogen-containing compound into the outer package after the gas is emitted, wherein the first solution does not contain the halogen-containing compound, and the electrolytic solution includes the first solution and the second solution.

    Abstract translation: 本发明的目的是提供一种二次电池的制造方法，其中即使在二次电池包含含有卤素化合物的电解液的情况下也可以除去外包装中的水分。 本示例性实施方式是一种二次电池的制造方法，其包括含有支持盐，非水溶剂和含卤素化合物的电解液，包含负极和正极的电极组件和外包装， 方法包括（1）在外包装中设置至少含有支持盐和非水溶剂的第一溶液和电极组件; （2）对电极组件进行充电; （3）从外包装发射由电荷产生的气体; 和（4）在排出气体之后，将至少包含含卤素化合物的第二溶液注入到外包装中，其中第一溶液不含有含卤素的化合物，并且电解液包括第一溶液和第二溶液 解。

    LITHIUM SECONDARY BATTERY
    2.
    发明申请
    LITHIUM SECONDARY BATTERY 有权
    锂二次电池

    公开(公告)号：US20160036051A1

    公开(公告)日：2016-02-04

    申请号：US14772341

    申请日：2014-03-04

    Applicant: NEC CORPORATION

    Inventor： Jiro IRIYAMA

    IPC: H01M4/38 ,  H01M10/052 ,  H01M10/0567

    CPC classification number: H01M4/38 ,  H01M4/13 ,  H01M4/366 ,  H01M4/5815 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/058 ,  H01M2004/028 ,  H01M2300/0025

    Abstract: The present invention relates to a lithium secondary battery, wherein a peak at 167 to 171 eV and a peak at 162 to 166 eV are present in XPS analysis of sulfur (S2p) of a positive electrode surface, and P169/P164 is in the range of 0.7 to 2.0 wherein the P 169/P 164 is the ratio between the intensity of the peak at 167 to 171 eV (P169) and the intensity of the peak at 162 to 166 eV (P164). The present invention can provide a lithium secondary battery having excellent cycle characteristics.

    Abstract translation: 本发明涉及一种锂二次电池，其中在正电极表面的硫（S2p）的XPS分析中存在167至171eV的峰和162至166eV的峰，并且P169 / P164在范围内 为0.7〜2.0，其中P 169 / P 164为167至171eV（P169）峰强度与162至166eV峰强度之间的比值（P164）。 本发明可以提供具有优异的循环特性的锂二次电池。

    NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY
    4.
    发明申请
    NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY 有权
    负极活性物质，其制造方法和锂二次电池

    公开(公告)号：US20160285091A1

    公开(公告)日：2016-09-29

    申请号：US14442141

    申请日：2013-10-28

    Applicant: NEC CORPORATION

    Inventor： Jiro IRIYAMA ,  Daisuke KAWASAKI ,  Emiko FUJII ,  Shin SERIZAWA ,  Hiroo TAKAHASHI

    IPC: H01M4/485 ,  H01M4/04 ,  H01M10/0525

    CPC classification number: H01M4/485 ,  H01M4/0445 ,  H01M4/0459 ,  H01M4/1391 ,  H01M10/0525 ,  H01M2004/027

    Abstract: A negative electrode active material comprising silicon oxide satisfying the following Equation 1 and Equation 2 when solid state NMR (29Si-DDMAS) of silicon is measured for the silicon oxide after performing charging at least once is excellent in the performance as a negative electrode active material for a lithium secondary battery; 0.42≦S1/(S1+S2+S3)≦0.55  (Equation 1) 0.21≦S3/(S1+S2+S3)≦0.26,  (Equation 2) in which S1 is a sum of peak areas of a group of signals assigned to Si having a Si—Si bond and having peaks at 0 to −15 ppm, −55 ppm, −84 ppm and −88 ppm, S2 is a sum of peak areas of a group of signals assigned to Si having a Si(OH)4-n(OSi)n (n=3, 4) structure and having peaks at −100 ppm and −120 ppm, and S3 is a sum of peak areas of a group of signals assigned to Si having a Si(OLi)4-n(OSi)n (n=0, 1, 2, 3) structure and having peaks at −66 ppm, −74 ppm, −85 ppm and −96 ppm.

    Abstract translation: 其中S1是分配给具有Si-Si键的Si并且在0至-15ppm，-55ppm，-84ppm和-88ppm具有峰值的一组信号的峰值面积之和，S2是 分配给具有Si（OH）4-n（OSi）n（n = 3,4）结构并在-100ppm和-120ppm具有峰值的Si的一组信号的峰值面积，S3是峰值 分配给具有Si（OLi）4-n（OSi）n（n = 0,1,2,3）结构并具有在-66ppm，-74ppm，-85ppm的峰和 -96ppm。

    LITHIUM-ION SECONDARY BATTERY
    6.
    发明申请
    LITHIUM-ION SECONDARY BATTERY 审中-公开

    公开(公告)号：US20180175449A1

    公开(公告)日：2018-06-21

    申请号：US15572568

    申请日：2016-05-09

    Applicant: NEC CORPORATION

    Inventor： Jiro IRIYAMA ,  Kenichi SHIMURA ,  Kazuhiko INOUE

    IPC: H01M10/0567 ,  H01M2/16 ,  H01M4/131 ,  H01M10/0525 ,  H01M4/525 ,  H01M10/058

    Abstract: There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, the battery having a low self-discharge failure rate even after long term storage. The present invention relates to a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, and polyamide imide layer, wherein the battery comprises an acid and/or an acid anhydride in an electrolyte solution and/or a member in contact with the electrolyte solution.

    LITHIUM-ION BATTERY
    8.
    发明申请
    LITHIUM-ION BATTERY 审中-公开

    公开(公告)号：US20180159105A1

    公开(公告)日：2018-06-07

    申请号：US15572569

    申请日：2016-05-09

    Applicant: NEC CORPORATION

    Inventor： Jiro IRIYAMA ,  Kazuhiko INOUE ,  Kenichi SHIMURA

    IPC: H01M2/16 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0585

    CPC classification number: H01M2/1653 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/0585 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

    Abstract: There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material, and a separator consisting of one or more layers selected from a polyimide layer, a polyamide layer, and a polyamide imide layer, the lithium secondary battery exhibiting a low self-discharge failure rate even after long term storage. The present invention pertains to a lithium ion secondary battery having a positive electrode comprising a positive electrode active material comprising a lithium nickel composite oxide and a separator consisting of one or more layers selected from a polyimide layer, a polyamide layer, and a polyamide imide layer, wherein a suspension prepared by mixing the positive electrode active material and a deionized water at a mass ratio of 2:98 shows a pH of 9.3 or less.

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