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    METHOD FOR MANUFACTURING ELECTRODE SHEET
    4.
    发明申请
    METHOD FOR MANUFACTURING ELECTRODE SHEET 审中-公开
    制造电极片的方法

    公开(公告)号：US20170018777A1

    公开(公告)日：2017-01-19

    申请号：US15180286

    申请日：2016-06-13

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroya UMEYAMA ,  Naoyuki WADA

    IPC: H01M4/62 ,  H01M4/583 ,  H01M4/04

    CPC classification number: H01M4/0404 ,  H01M4/62

    Abstract: A method for manufacturing an electrode sheet includes the steps of forming a granulated material by mixing an electrode active material, a cellulose derivative, a binder, and an aqueous solvent, and placing the granulated material in the form of a sheet on electrode current collector foil. The cellulose derivative is at least one selected from the group consisting of hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methylcellulose, and hydroxypropyl methylcellulose, and has 3.0 or more moles of substitution, which is an average number of hydroxy groups substituted per glucose unit.

    Abstract translation: 制造电极片的方法包括以下步骤：通过混合电极活性材料，纤维素衍生物，粘合剂和水性溶剂来形成粒状材料，并将片状材料置于电极集电器箔 。 纤维素衍生物是选自羟乙基纤维素，羟丙基纤维素，羟乙基甲基纤维素和羟丙基甲基纤维素中的至少一种，并且具有3.0或更多摩尔的取代，其是每个葡萄糖单元取代的羟基的平均数。

    NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY
    5.
    发明申请
    NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY 有权
    非电解电容充电电池

    公开(公告)号：US20160093877A1

    公开(公告)日：2016-03-31

    申请号：US14837214

    申请日：2015-08-27

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroya UMEYAMA ,  Yusuke FUKUMOTO ,  Hideki SANO ,  Yuji YOKOYAMA ,  Tatsuya HASHIMOTO

    IPC: H01M4/36 ,  H01M4/58 ,  H01M4/587 ,  H01M4/525 ,  H01M4/62 ,  H01M4/505

    CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/136 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/624 ,  H01M4/625 ,  H01M4/661 ,  H01M4/663 ,  H01M4/667 ,  H01M2004/021

    Abstract: A positive electrode collector includes a main body layer and a surface layer. The surface layer is provided at least at a portion of a surface of the main body layer where the positive electrode mixture layer is provided, and is made of a carbon material. A first positive electrode active material is made of first lithium complex oxide having a layered crystal structure. A second positive electrode active material includes a particle made of second lithium complex oxide having an olivine crystal structure, a carbon film provided at least at a part of a surface of the particle, and alginic acid salt provided at least at a part of a surface of the carbon film. A conducting agent in the positive electrode mixture layer includes a carbon particle and alginic acid salt provided at least at a part of a surface of the carbon particle.

    Abstract translation: 正极集电体包括主体层和表面层。 表面层至少设置在设置正极合剂层的主体层的表面的一部分上，并且由碳材料制成。 第一正极活性物质由具有层状晶体结构的第一锂复合氧化物制成。 第二正极活性物质包括由具有橄榄石晶体结构的第二锂复合氧化物制成的颗粒，至少在颗粒表面的一部分提供的碳膜和至少在表面的一部分提供的藻酸盐 的碳膜。 正极合剂层中的导电剂包括至少在碳粒子表面的一部分设置的碳粒子和藻酸盐。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK
    7.
    发明申请
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK 审中-公开
    非电解电解质二次电池和电池组

    公开(公告)号：US20160380299A1

    公开(公告)日：2016-12-29

    申请号：US15187036

    申请日：2016-06-20

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroya UMEYAMA ,  Yukiyoshi UENO ,  Hideki SANO

    IPC: H01M10/04 ,  H01M10/0525

    CPC classification number: H01M10/0431 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0587 ,  Y02T10/7011

    Abstract: A nonaqueous electrolyte secondary battery includes a wound electrode body, and the wound electrode body includes two curved portions and a center flat portion which has flat surfaces. A positive electrode winding end, a negative electrode winding end, and separator winding ends are positioned on the same curved portion. The negative electrode winding end is arranged at an advanced position from the positive electrode winding end in a winding direction, and at least one of the separator winding ends is positioned at an advanced position from the negative electrode winding end in the winding direction. A distance a (mm) from the negative electrode winding end to the separator winding end and a distance b (mm) from the positive electrode winding end to the negative electrode winding end satisfy relationships 0.5≦a×(a+b)≦104 and 0≦b≦11.

    Abstract translation: 非水电解质二次电池包括卷绕电极体，卷绕电极体包括两个弯曲部分和具有平坦表面的中心平坦部分。 正极绕组端，负极绕组端和分离器绕组端位于相同的弯曲部分上。 负极绕组端沿着卷取方向从正极绕组端排列在前进位置，并且至少一个隔板卷绕端部位于从卷绕方向的负极卷绕端部的前进位置。 从负极绕组端到分离器绕组端的距离a（mm）和从正极绕组端到负极绕组端的距离b（mm）满足关系0.5≤a×（a + b）≤104和 0≤b≤11。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    8.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非水电解质二次电池

    公开(公告)号：US20160336568A1

    公开(公告)日：2016-11-17

    申请号：US15095349

    申请日：2016-04-11

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroya UMEYAMA ,  Yusuke FUKUMOTO ,  Naoyuki WADA ,  Yuji YOKOYAMA ,  Tatsuya HASHIMOTO ,  Naoto ONODERA

    IPC: H01M2/16 ,  H01M10/0587 ,  H01M4/131 ,  H01M4/587 ,  H01M4/505 ,  H01M4/62 ,  H01M4/133 ,  H01M10/0525 ,  H01M4/525

    CPC classification number: H01M2/1666 ,  H01M2/145 ,  H01M2/162 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0587 ,  Y02T10/7011

    Abstract: Provided is a non-aqueous electrolyte secondary battery in which an increase in resistance is suppressed when high rate pulsed charging and discharging is repeatedly carried out. The non-aqueous electrolyte secondary battery provided by the present disclosure is provided with: a positive electrode; a negative electrode; a separator; and a non-aqueous electrolyte solution. The separator is provided with a separator base made of a non-woven fabric; a first resin layer provided on a surface of the separator base that faces the positive electrode; and a second resin layer provided on a surface of the separator base that faces the negative electrode. In addition, a resin matrix of the first resin layer is constituted from polytetrafluoroethylene or a copolymer containing polytetrafluoroethylene as a primary component, and a resin matrix of the second resin layer is constituted from poly(vinylidene fluoride) or a copolymer containing poly(vinylidene fluoride) as a primary component.

    Abstract translation: 提供一种非水电解质二次电池，其中当重复进行高速脉冲充电和放电时，电阻的增加被抑制。 本发明提供的非水电解质二次电池具有：正极; 负极; 分隔符 和非水电解质溶液。 隔板设有由无纺布制成的隔板基座; 第一树脂层，设置在所述隔板基体的与所述正极相对的面上; 以及设置在所述隔板基板的与所述负极相对的面上的第二树脂层。 此外，第一树脂层的树脂基体由聚四氟乙烯或含有聚四氟乙烯作为主要成分的共聚物构成，第二树脂层的树脂基体由聚（偏二氟乙烯）或含有聚偏二氟乙烯 ）作为主要组成部分。

    SECONDARY BATTERY
    9.
    发明申请
    SECONDARY BATTERY 审中-公开
    二次电池

    公开(公告)号：US20160322621A1

    公开(公告)日：2016-11-03

    申请号：US15139953

    申请日：2016-04-27

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroya UMEYAMA ,  Harunari SHIMAMURA ,  Tatsuya HASHIMOTO ,  Yusuke FUKUMOTO

    IPC: H01M2/16 ,  H01M10/04 ,  D01D5/00 ,  D01D5/247 ,  H01M10/0525 ,  H01M2/14

    CPC classification number: H01M2/1686 ,  D01D5/0007 ,  H01M2/145 ,  H01M2/1666 ,  H01M2/1673 ,  H01M10/0431 ,  H01M10/0525

    Abstract: Provided is a secondary battery that exhibits excellent retention of an electrolyte solution in an electrode body and excellent high rate charging and discharging characteristics. A secondary battery provided by the present invention includes an electrode body, which has a positive electrode, a negative electrode and a separator that electrically isolates the positive electrode from the negative electrode, and an electrolyte solution. In addition, the secondary battery has a non-woven fabric layer between the separator and the positive electrode and/or between the separator and the negative electrode. At least some of the fibers that constitute the non-woven fabric layer have one non-through hole in each of the fibers, with the non-through hole having an opening in one end of the fiber in a length direction thereof and extending in the length direction of the fiber. The length (LW) from the opening of the non-through hole to the deepest part of the non-through hole in the length direction is 50% or higher of the entire length (LF) of the fiber.

    Abstract translation: 本发明提供一种二次电池，其在电极体中表现出优异的电解质溶液的保持性和优异的高倍率充放电特性。 本发明提供的二次电池包括具有正极，负极和使正极与负极电隔离的隔膜的电极体和电解质溶液。 此外，二次电池在隔膜和正电极之间和/或隔板与负电极之间具有无纺布层。 构成无纺布层的至少一部分纤维在每个纤维中具有一个非通孔，非通孔在纤维的长度方向的一端具有开口，并且在 纤维的长度方向。 从非通孔的开口到非贯通孔的长度方向的最深部分的长度（LW）为纤维的整个长度（LF）的50％以上。

    METHOD OF MANUFACTURING NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    10.
    发明申请
    METHOD OF MANUFACTURING NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非电解二次电池制造负极电极的方法

    公开(公告)号：US20160141597A1

    公开(公告)日：2016-05-19

    申请号：US14943306

    申请日：2015-11-17

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroya UMEYAMA ,  Naoto ONODERA ,  Naoyuki WADA ,  Yusuke FUKUMOTO ,  Tatsuya HASHIMOTO ,  Yuji YOKOYAMA

    IPC: H01M4/04

    CPC classification number: H01M4/0435 ,  B29C43/24 ,  B32B37/06 ,  B32B2037/243 ,  B32B2457/10 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/139 ,  H01M4/661 ,  H01M2004/027

    Abstract: A method of manufacturing a negative electrode for a nonaqueous electrolyte secondary battery includes: preparing a copper foil having a first main surface and a second main surface that are opposite sides of the copper foil; obtaining a granulated body by mixing a negative electrode active material, a thickener, a binder, and a solvent with each other to obtain a mixture and by granulating the mixture; obtaining a first negative electrode mixture layer by pressing the granulated body; arranging the first negative electrode mixture layer on the first main surface; and softening the copper foil by bringing the second main surface into contact with a heated roller in a state where the first negative electrode mixture layer is arranged on the first main surface. A temperature of the heated roller is a recrystallization temperature of the copper foil or higher.

    Abstract translation: 一种制造非水电解质二次电池用负极的方法包括：制备具有与铜箔相对的两侧的第一主表面和第二主表面的铜箔; 通过将负极活性物质，增稠剂，粘合剂和溶剂混合来获得粒状体以获得混合物并通过制粒混合物; 通过压制造粒体获得第一负极混合物层; 将第一负极混合物层布置在第一主表面上; 并且在第一负极混合物层配置在第一主面上的状态下使第二主面与加热辊接触来软化铜箔。 加热辊的温度为铜箔的再结晶温度以上。

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