公开(公告)号：US20040241534A1

公开(公告)日：2004-12-02

申请号：US10850114

申请日：2004-05-21

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventor： Kohei Suzuki ,  Masato Fujikawa ,  Hideharu Takezawa ,  Katsumi Kozu

IPC: H01M010/44 ,  H02J007/04

CPC classification number: H02J7/0073 ,  H01M10/0525 ,  H01M10/441 ,  H02J7/0086

Abstract: A method for charging a non-aqueous electrolyte secondary battery, the battery comprising a positive electrode that comprises a lithium-containing composite oxide, a negative electrode, and a non-aqueous electrolyte. The method comprises the step of detecting an open-circuit-voltage of the battery to determine which of voltage regions A, B and C the detected value is included in. The region A is not smaller than a prescribed value X. The region B is smaller than the prescribed value X and larger than a prescribed value Y (Y

Abstract translation: 一种用于对非水电解质二次电池进行充电的方法，该电池包括含有锂复合氧化物，负极和非水电解质的正极。 该方法包括检测电池的开路电压以确定哪个电压区域A，B和C包括检测值的步骤。区域A不小于规定值X.区域B为 小于规定值X且大于规定值Y（Y

公开(公告)号：US20010014999A1

公开(公告)日：2001-08-23

申请号：US09788538

申请日：2001-02-21

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventor： Jun Matsumura ,  Hiroshi Inoue ,  Mitsugu Takaki ,  Noriyuki Fujioka ,  Munehisa Ikoma ,  Kohei Suzuki

IPC: H01M004/80 ,  B23P015/00

CPC classification number: H01M4/26 ,  H01M4/04 ,  H01M4/242 ,  H01M4/80 ,  H01M4/808 ,  H01M10/345 ,  Y10T29/10 ,  Y10T29/49115

Abstract: After joining strips of lead plates in a lengthwise direction to a strip of porous metal sheet having a three-dimensional structure, the metal sheet is rolled entirely or in the vicinity of the lead plates. The porous metal sheet is then cut into several electrode substrates, which are coated with active materials and further cut into several electrode plates having a lead plate on one side thereof.

Abstract translation: 在将铅板的长条状的条带连接到具有三维结构的多孔金属片的条上之后，金属片完全卷绕或者在引线板的附近滚动。 然后将多孔金属片切割成若干电极基板，其中涂覆有活性材料，并进一步切割成其一侧具有引线板的几个电极板。

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。

公开(公告)号：US20020106556A1

公开(公告)日：2002-08-08

申请号：US10013513

申请日：2001-12-13

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventor： Jun Matsumura ,  Kohei Suzuki

IPC: H01M004/82

CPC classification number: H01M10/28 ,  H01M2/0217 ,  H01M4/0402 ,  H01M4/26 ,  Y10T29/49108 ,  Y10T29/49112

Abstract: A method for manufacturing an electrode plate group for a prismatic battery includes the steps of manufacturing a large plate from which a plurality of single electrode plates that form the electrode plate group are cut, cutting a plurality of single electrode plates from the large plate, stacking the single electrode plates by grouping together single electrode plates from different positions on the large plates, and forming the electrode plate group by successively taking single electrode plates from the stacked single electrode plates and alternately stacking the taken single electrode plates with single electrode plates of the opposite polarity.

Abstract translation: 用于制造棱柱形电池用电极板组的方法包括：制造形成电极板组的多个单电极板的大板，从大板切割多个单电极板，堆叠 单个电极板通过将单个电极板从大板上的不同位置分组在一起，并且通过从堆叠的单个电极板连续地取出单个电极板并且将所采取的单个电极板与单个电极板的单个电极板 相反的极性

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。

公开(公告)号：US20040253513A1

公开(公告)日：2004-12-16

申请号：US10883727

申请日：2004-07-06

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD

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

IPC: H01M004/62 ,  H01M004/58

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.

公开(公告)号：US20040166407A1

公开(公告)日：2004-08-26

申请号：US10773157

申请日：2004-02-09

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventor： Junji Nakajima ,  Tsumoru Ohata ,  Takashi Takano ,  Kohei Suzuki ,  Tetsuya Hayashi

IPC: H01M004/62

CPC classification number: H01M2/1686 ,  H01M2/1646 ,  H01M2/1673 ,  H01M2/168 ,  H01M4/621 ,  H01M10/0525

Abstract: A lithium ion secondary battery comprising: a positive electrode, a negative electrode, a separator interposed between the positive and negative electrodes, and an electrolyte prepared by dissolving a lithium salt in a non-aqueous solvent, wherein the separator comprises a porous film layer containing basic solid particles and a composite binder, the porous film layer is adhered to at least one surface of at least one of the positive and negative electrodes, the composite binder comprises a primary binder and a secondary binder, the primary binder comprises polyether sulfone and the secondary binder comprises polyvinylpyrrolidone.

Abstract translation: 1.一种锂离子二次电池，其特征在于，包括：正极，负极，插入所述正极和负极之间的隔膜;以及通过将锂盐溶解在非水溶剂中而制备的电解质，其中所述隔膜包含含有 碱性固体颗粒和复合粘合剂，所述多孔膜层粘附到所述正极和负极中的至少一个的至少一个表面，所述复合粘合剂包括主粘合剂和次粘合剂，所述主粘合剂包括聚醚砜和 次级粘合剂包括聚乙烯吡咯烷酮。

公开(公告)号：US20030068551A1

公开(公告)日：2003-04-10

申请号：US10202420

申请日：2002-07-23

Applicant: Matsushita Electric Industrial Co., Ltd.

Inventor： Masao Fukunaga ,  Takao Kuromiya ,  Kazunori Kubota ,  Kohei Suzuki ,  Tsumoru Ohata

IPC: H01M004/62 ,  B05D005/12

CPC classification number: H01M4/13 ,  H01M4/04 ,  H01M4/621 ,  H01M4/622 ,  H01M4/624 ,  H01M4/625 ,  H01M2004/021 ,  H01M2004/028

Abstract: Disclosed is a positive electrode for a non-aqueous electrolyte secondary battery, comprising: a positive electrode mixture layer; and a positive electrode current collector which carries the positive electrode mixture layer, with the positive electrode mixture layer comprising: at least one positive electrode active material; at least one conductive agent; at least one binder; and at least one thickening agent, and the thickening agent comprising a polymer containing at least one acrylonitrile unit and at least one null(CH2)nnull structure portion where 6nulln.

Abstract translation: 公开了一种非水电解质二次电池用正极，包括：正极合剂层; 以及正极集电体，其携带正极合剂层，正极合剂层包含：至少一种正极活性物质; 至少一种导电剂; 至少一个粘合剂; 和至少一种增稠剂，所述增稠剂包含含有至少一个丙烯腈单元和至少一个（CH 2）n - 结构部分的聚合物，其中6≤n。

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°。