Non-aqueous electrolyte secondary battery and production method thereof
    11.
    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:US20080311471A1

    公开(公告)日:2008-12-18

    申请号:US12010343

    申请日:2008-01-24

    IPC分类号: H01M4/62 H01M4/40 H01M10/28

    摘要: 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 θA between the non-aqueous electrolyte and the binder A and contact angle θB between the non-aqueous electrolyte and the binder B satisfy the formula (1): θB−θA≧15°.

    摘要翻译: 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°。

    Electrode plate of positive electrode for non-aqueous electrolyte secondary battery and manufacturing method thereof
    18.
    发明授权
    Electrode plate of positive electrode for non-aqueous electrolyte secondary battery and manufacturing method thereof 失效
    非水电解质二次电池用正极用电极板及其制造方法

    公开(公告)号:US07662516B2

    公开(公告)日:2010-02-16

    申请号:US11146350

    申请日:2005-06-07

    IPC分类号: H01M4/62 H01M4/00

    摘要: A method for manufacturing a positive electrode plate for a non-aqueous secondary battery including: preparing an active material A, a conductive material B, a binder C, a thickener D, and a liquid component E, the thickener D being in a powder state, the conductive material B including a carbon material, the thickener D including a water-soluble polymer, and the liquid component E including water; preparing a slurry including the component E and an electrode material mixture, the material mixture including the active material A, the conductive material B, the binder C, and the thickener D; and applying the slurry on a current collector. In preparing the slurry, the thickener D in a powder state, the active material A and the conductive material B are kneaded together with the liquid component E, and then the primary kneaded matter, the binder C, and an additional liquid component are kneaded.

    摘要翻译: 一种制造非水二次电池用正极板的方法,包括:制备活性物质A,导电材料B,粘合剂C,增稠剂D和液体成分E,增稠剂D为粉末状态 包含碳材料的导电材料B,包含水溶性聚合物的增稠剂D和包含水的液体组分E; 制备包括组分E和电极材料混合物的浆料,所述材料混合物包括活性材料A,导电材料B,粘合剂C和增稠剂D; 并将浆料涂布在集电体上。 在制备浆料时,将粉末状态的增稠剂D与活性物质A和导电材料B一起与液体成分E一起捏合,然后捏合初级揉合物,粘合剂C和附加液体成分。