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    Non-aqueous electrolyte secondary battery and positive electrode for the same
    1.
    发明申请
    Non-aqueous electrolyte secondary battery and positive electrode for the same 失效
    非水电解质二次电池和正电极相同

    公开(公告)号：US20020037450A1

    公开(公告)日：2002-03-28

    申请号：US09915946

    申请日：2001-07-26

    Applicant: Matsushita Electric Industrial Co., Ltd.

    Inventor： Kohei Suzuki ,  Kazunori Kubota ,  Akira Kuroda ,  Motoi Kawamura ,  Masao Fukunaga ,  Tsumoru Ohata

    IPC: H01M006/10 ,  H01M004/62

    CPC classification number: H01M4/131 ,  H01M4/133 ,  H01M4/485 ,  H01M4/505 ,  H01M4/621 ,  H01M4/622 ,  H01M4/625 ,  H01M6/10 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2006/106 ,  H01M2010/4292

    Abstract: A non-aqueous electrolyte secondary battery comprises: a positive electrode sheet comprising a positive electrode mixture containing a lithium-containing transition metal oxide as an active material and a particulate binder; a negative electrode sheet comprising a negative electrode mixture containing a carbon material; a separator interposed between the positive electrode sheet and the negative electrode sheet; and a non-aqueous electrolyte containing a lithium salt, wherein the positive electrode sheet and the negative electrode sheet are wound with the separator interposed therebetween to form an electrode assembly, and the positive electrode mixture has an active material density of 3.0 to 4.0 g/ml. The battery has a long life, high energy density and high output.

    Abstract translation: 非水电解质二次电池包括：正极片，其包含含有作为活性物质的含锂过渡金属氧化物的正极混合物和颗粒状粘合剂; 负极片，其包含含有碳材料的负极混合物; 夹在正极片和负极片之间的隔膜; 和含有锂盐的非水电解质，其中正极片和负极片以分离器缠绕在其间形成电极组件，正极混合物的活性物质密度为3.0〜4.0g / ml。 电池寿命长，能量密度高，产量高。

    Electrode for a battery and production method thereof
    2.
    发明申请
    Electrode for a battery and production method thereof 审中-公开
    一种电池用电极及其制造方法

    公开(公告)号：US20040160156A1

    公开(公告)日：2004-08-19

    申请号：US10769866

    申请日：2004-02-03

    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

    Inventor： Tsumoru Ohata ,  Masao Fukunaga

    IPC: H01K001/04 ,  H01J001/14 ,  H01J019/06

    CPC classification number: B82Y30/00 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/13 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/054

    Abstract: An electrode for a battery superior in conductivity with small amount of conductive material, yet with high capacity is provided by a method comprising the steps of: (a) producing a masterbatch comprising at least carbon nanotubes and a resin; (b) blending an electrode material mixture containing at least the masterbatch and an electrode active material with a dispersion medium to prepare an electrode material mixture paste; (c) applying the electrode material mixture paste onto an electrode substrate and then drying and rolling the electrode material mixture paste coated on the electrode substrate to obtain an electrode plate; and (d) cutting the electrode plate to obtain an electrode with a predetermined shape.

    Abstract translation: 通过包括以下步骤的方法提供了具有少量导电材料但具有高容量的电导率优异的电极用电极：（a）制备至少包含碳纳米管和树脂的母料; （b）将至少含有母料和电极活性物质的电极材料混合物与分散介质共混以制备电极材料混合物糊料; （c）将电极材料混合糊剂涂布在电极基板上，然后干燥并滚压涂覆在电极基板上的电极材料混合物浆料，得到电极板; 和（d）切割电极板以获得具有预定形状的电极。

    Non-aqueous electrolyte secondary battery and negative electrode for the same
    3.
    发明申请
    Non-aqueous electrolyte secondary battery and negative electrode for the same 失效
    非水电解质二次电池和负电极相同

    公开(公告)号：US20020061440A1

    公开(公告)日：2002-05-23

    申请号：US09845265

    申请日：2001-05-01

    Applicant: Matsushita Electric Industrial Co., Ltd.

    Inventor： Kohei Suzuki ,  Kazunori Kubota ,  Motoi Kawamura ,  Akira Kuroda ,  Masao Fukunaga ,  Tsumoru Ohata

    IPC: H01M004/62 ,  H01M004/48

    CPC classification number: H01M4/133 ,  H01M4/131 ,  H01M4/525 ,  H01M4/587 ,  H01M4/621 ,  H01M4/622 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2004/027 ,  Y10T428/2982 ,  Y10T428/3154

    Abstract: A non-aqueous electrolyte battery is provided, which exhibits good high-rate discharge characteristics and low-temperature characteristics and ensures high safety when the negative electrode contains 0.6 to 1.7 parts by weight of a particulate modified styrene-butadiene rubber as a binder and 0.7 to 1.2 parts by weight of a thickening agent so that the total amount of the binder and thickening agent is 1.3 to 2.4 parts by weight per 100 parts by weight of a carbon material as an active material, and the concentration of LiPF6 in the non-aqueous electrolyte is 0.6 to 1.05 mole/liter. The surface area of the active material effectively contributable to charging and discharging reaction is sufficient when the surface area of the carbon material per 1 g of the binder contained in the negative electrode is 300 to 600 m2.

    Abstract translation: 提供了一种非水电解质电池，其具有良好的高倍率放电特性和低温特性，并且当负极含有0.6至1.7重量份作为粘合剂的改性丁苯橡胶颗粒和0.7 至1.2重量份增稠剂，使得粘合剂和增稠剂的总量相对于作为活性物质的碳材料为100重量份为1.3〜2.4重量份， 含水电解质为0.6〜1.05摩尔/升。 当每1g负极中所含的粘合剂的碳材料的表面积为300至600平方米时，有效地用于充放电反应的活性材料的表面积就足够了。

    Non-aqueous electrolyte secondary battery and production method thereof
    6.
    发明申请
    Non-aqueous electrolyte secondary battery and production method thereof 审中-公开
    非水电解质二次电池及其制造方法

    公开(公告)号：US20030054243A1

    公开(公告)日：2003-03-20

    申请号：US10231144

    申请日：2002-08-30

    Applicant: Matsushita Electric Industrial Co., Ltd.

    Inventor： Kohei Suzuki ,  Masao Fukunaga ,  Toshihide Murata ,  Kazunori Kubota ,  Tsumoru Ohata

    IPC: H01M010/40

    CPC classification number: H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/525 ,  H01M4/587 ,  H01M4/621 ,  H01M4/622 ,  H01M4/624 ,  H01M6/10 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  Y10T29/49108 ,  Y10T29/49115

    Abstract: A method for producing a non-aqueous electrolyte secondary battery comprising the steps of: (i) mixing a positive electrode active material, a first binder A and a dispersion medium to prepare a paste A, the active material comprising a lithium-containing transition metal oxide; (ii) mixing a conductive agent, a second binder B and a dispersion medium to prepare a paste B, the conductive agent comprising carbon black; (iii) mixing the paste A and the paste B to prepare a positive electrode material paste C; (iv) applying the positive electrode material paste C onto a positive electrode core member and rolling and drying the resultant member to prepare a positive electrode; and (v) fabricating a battery using the positive electrode, a negative electrode and a non-aqueous electrolyte, wherein contact angle nullA between the non-aqueous electrolyte and the binder A and contact angle nullB between the non-aqueous electrolyte and the binder B satisfy the formula (1): nullBnullnullAnull15null.

    Abstract translation: 一种非水电解质二次电池的制造方法，其特征在于，包括以下步骤：（i）将正极活性物质，第一粘合剂A和分散介质混合，制备糊料A，所述活性物质含有含锂过渡金属 氧化物 （ii）将导电剂，第二粘合剂B和分散介质混合以制备糊料B，所述导电剂包含炭黑; （iii）混合糊剂A和糊剂B以制备正极材料糊料C; （iv）将正极材料浆料C涂布在正极芯部件上，对所得部件进行轧制和干燥，制作正极; 和（v）使用正极，负极和非水电解质制造电池，其中非水电解质和粘合剂A之间的接触角θA和非水电解质与粘合剂B之间的接触角θB 满足公式（1）：θB-θA> = 15°。

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