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    Lithium-ion secondary battery and method of producing same
    8.
    再颁专利
    Lithium-ion secondary battery and method of producing same 有权

    公开(公告)号：USRE49319E1

    公开(公告)日：2022-11-29

    申请号：US16808172

    申请日：2020-03-03

    申请人： HYDRO-QUEBEC

    发明人： Karim Zaghib ,  Shinji Saito ,  Abdelbast Guerfi ,  Takehiko Sawai ,  Kazunori Urao ,  Jun Nakagawa ,  Francis Barray ,  Joel Frechette

    IPC分类号： H01M4/58 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/36 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04

    摘要： A lithium-ion secondary battery including positive and negative electrodes, a separator element, an electrical conductor element and a binder, wherein the positive electrode includes a lithium-containing metal phosphate compound coated with a carbon material having at least one phase selected from a graphene phase and an amorphous phase, and further includes carbon black and a fibrous carbon material and wherein the negative-electrode material includes a graphite carbon material having at least one carbon phase selected from a graphene phase and an amorphous phase, and further includes carbon black and a fibrous carbon material, and wherein the binder includes a water-soluble synthetic resin or a water-dispersible synthetic resin. The most preferred positive electrode includes LiFePO4, The most preferred negative electrode includes artificial graphite or graphitazable powder. The most preferred binder is carboxyl methyl cellulose further including a surface active agent. A method of making the lithium-ion secondary battery.

    Binder composition for electrode
    9.
    发明授权
    Binder composition for electrode 有权
    电极用粘合剂组合物

    公开(公告)号：US09257239B2

    公开(公告)日：2016-02-09

    申请号：US14356823

    申请日：2012-11-02

    申请人： DENKI KAGAKU KOGYO KABUSHIKI KAISHA ,  SEI CORPORATION

    发明人： Hironori Konishi ,  Daisuke Shimiya ,  Kazuhiro Kote ,  Takehiko Sawai ,  Shinji Saito ,  Jun Nakagawa

    IPC分类号： H01M4/62 ,  H01G11/38 ,  H01G11/30 ,  C08L33/02 ,  C08L47/00 ,  C08L33/06 ,  C08L33/14 ,  H01M10/0525

    CPC分类号： H01G11/38 ,  C08L33/02 ,  C08L33/066 ,  C08L33/14 ,  C08L47/00 ,  C08L2203/02 ,  H01G11/30 ,  H01M4/622 ,  H01M10/0525 ,  Y02E60/13

    摘要： An object of the invention is to provide an electrode material slurry for preparation of lithium-ion secondary batteries favorable in properties and superior in storage stability and an aqueous binder composition for lithium-ion secondary batteries that can be used for production of lithium-ion secondary batteries superior in discharge rate characteristics and cycle characteristics.Provided is a binder composition for lithium-ion secondary battery electrode, comprising polymer particles containing (a) an ethylenic unsaturated carboxylic ester compound and (b) an ethylenic unsaturated sulfonic acid compound at a (a)/(b) mass ratio of (98 to 91)/(2 to 9) in a total (a) and (b) amount of 70 mass % or more, based on the monomeric raw materials.

    摘要翻译： 本发明的目的是提供一种锂离子二次电池的制备方法，其特征在于具有良好的储存稳定性和用于锂离子二次电池的水性粘合剂组合物的锂离子二次电池的制备用锂离子二次电池 电池放电特性和循环特性优越。 本发明提供一种锂离子二次电池用电极用粘合剂组合物，其含有（a）烯属不饱和羧酸酯化合物和（b）烯属不饱和磺酸化合物的（a）/（b）质量比为（98） 〜91）/（2〜9），（a）和（b）的量为70质量％以上。

    LITHIUM-ION SECONDARY BATTERY AND METHOD OF PRODUCING SAME
    10.
    发明申请
    LITHIUM-ION SECONDARY BATTERY AND METHOD OF PRODUCING SAME 审中-公开
    锂离子二次电池及其制造方法

    公开(公告)号：US20150162610A1

    公开(公告)日：2015-06-11

    申请号：US14399894

    申请日：2013-05-06

    申请人： HYDRO-QUÉBEC ,  SEI CORPORATION

    发明人： Karim Zaghib ,  Shinji Saito ,  Abdelbast Guerfi ,  Takehiko Sawai ,  Kazunori Urao ,  Jun Nakagawa ,  Francis Barray ,  Joël Fréchette

    IPC分类号： H01M4/58 ,  H01M4/62 ,  H01M4/587 ,  H01M4/36 ,  H01M10/0525

    CPC分类号： H01M4/5825 ,  H01M4/043 ,  H01M4/0471 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/364 ,  H01M4/366 ,  H01M4/587 ,  H01M4/621 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0525 ,  Y02T10/7011

    摘要： A lithium-ion secondary battery including positive and negative electrodes, a separator element, an electrical conductor element and a binder, wherein the positive electrode includes a lithium-containing metal phosphate compound coated with a carbon material having at least one phase selected from a graphene phase and an amorphous phase, and further includes carbon black and a fibrous carbon material and wherein the negative-electrode material includes a graphite carbon material having at least one carbon phase selected from a graphene phase and an amorphous phase, and further includes carbon black and a fibrous carbon material, and wherein the binder includes a water-soluble synthetic resin or a water-dispersible synthetic resin. The most preferred positive electrode includes LiFePO4. The most preferred negative electrode includes artificial graphite or graphitazable powder. The most preferred binder is carboxyl methyl cellulose further including a surface active agent. A method of making the lithium-ion secondary battery.

    摘要翻译： 包括正极和负极的锂离子二次电池，隔板元件，电导体元件和粘合剂，其中所述正极包括涂覆有碳材料的含锂金属磷酸盐化合物，所述碳材料具有选自石墨烯中的至少一个相 并且还包括炭黑和纤维状碳材料，并且其中所述负极材料包括具有选自石墨烯相和非晶相的至少一个碳相的石墨碳材料，并且还包括炭黑和 纤维状碳材料，其中粘合剂包括水溶性合成树脂或水分散性合成树脂。 最优选的正极包括LiFePO 4。 最优选的负极包括人造石墨或可石墨化的粉末。 最优选的粘合剂是还包括表面活性剂的羧甲基纤维素。 一种制造锂离子二次电池的方法。