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公开(公告)号：US20070077494A1
公开(公告)日：2007-04-05
申请号：US11527716
申请日：2006-09-27
Applicant: Kei Kobayashi , Hiromasa Yagi , Masaki Hirase , Daizo Jito , Katsunobu Sayama
Inventor： Kei Kobayashi , Hiromasa Yagi , Masaki Hirase , Daizo Jito , Katsunobu Sayama
CPC classification number: H01M10/0587 , H01M4/134 , H01M4/366 , H01M4/62 , H01M4/661 , H01M4/70 , H01M2004/021 , H01M2004/027
Abstract: A lithium secondary battery is provided with a positive electrode, a negative electrode (1), a separator interposed between the positive and negative electrodes, and an electrode assembly having the negative electrode (1), the positive electrode, and the separator. The negative electrode (1) has a negative electrode current collector (11) and negative electrode active material layers (12), (13) formed on respective surfaces of the negative electrode current collector (11). The negative electrode active material layers are composed of an alloy containing silicon, which intercalates and deintercalates lithium, and iron, which does not intercalate or deintercalate lithium. At least a portion of the electrode assembly has a curved portion in which the negative electrode active material layer (13) disposed inward relative to the negative electrode current collector contains a higher concentration of the iron than the negative electrode active material layer (12) disposed outward relative to the negative electrode current collector.
Abstract translation: 锂二次电池设置有正极，负极（1），介于正极和负极之间的隔板以及具有负极（1），正极和隔板的电极组件。 负极（1）具有形成在负极集电体（11）的各表面上的负极集电体（11）和负极活性物质层（12），（13）。 负极活性物质层由含有硅的合金，其插入和脱嵌锂，以及不插入或脱嵌锂的铁。 电极组件的至少一部分具有弯曲部分，其中相对于负极集电体向内设置的负极活性材料层（13）含有比设置的负极活性材料层（12）更高的铁浓度 向外相对于负极集电体。
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公开(公告)号：US20060024588A1
公开(公告)日：2006-02-02
申请号：US10531045
申请日：2004-06-03
Applicant: Daizo Jito , Noriyuki Tamura , Nobuhiro Sakitani , Hiroshi Minami , Hiromasa Yagi , Maruo Kamino , Katsunobu Sayama , Yoshio Kato , Shigeki Matsuta
Inventor： Daizo Jito , Noriyuki Tamura , Nobuhiro Sakitani , Hiroshi Minami , Hiromasa Yagi , Maruo Kamino , Katsunobu Sayama , Yoshio Kato , Shigeki Matsuta
CPC classification number: H01M10/052 , H01M4/134 , H01M4/386 , H01M4/405 , H01M10/0565 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M10/0585 , H01M10/4235 , H01M2300/0017 , Y10T29/49115
Abstract: A rechargeable lithium battery including a negative electrode made by depositing a noncrystalline thin film composed entirely or mainly of silicon on a current collector, a positive electrode and a nonaqueous electrolyte, characterized in that said nonaqueous electrolyte contains carbon dioxide dissolved therein.
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公开(公告)号：US06921463B2
公开(公告)日：2005-07-26
申请号：US10173738
申请日：2002-06-19
Applicant: Katsunobu Sayama , Hisaki Tarui
Inventor： Katsunobu Sayama , Hisaki Tarui
IPC: H01M4/13 , H01M4/134 , H01M4/139 , H01M4/1395 , H01M4/38 , H01M4/40 , H01M6/40 , H01M10/05 , C23C14/34 , B05D1/08 , B05D5/12 , C23C8/00
CPC classification number: H01M4/139 , H01M4/04 , H01M4/0404 , H01M4/0419 , H01M4/0421 , H01M4/0426 , H01M4/0428 , H01M4/1395 , H01M4/38 , H01M4/386 , H01M4/405 , H01M6/40 , H01M10/052
Abstract: An electrode for a lithium secondary cell capable of attaining excellent charge/discharge characteristics with high discharge capacity is obtained by properly controlling a component of a collector diffusing into active material layers formed on both sides of the collector. Embodiments include forming a first active material layer consisting of a plurality of layers on a first surface of a collector, and forming a second active material layer consisting of a plurality of layers on a second surface of the collector. At least one layer constituting the second active material layer is formed before forming all layers constituting the first active material layer, thereby preventing heat for forming at least one of the layers constituting the second active material layer from being applied to all layers constituting the first active material layer.
Abstract translation: 通过适当地控制集电体的成分扩散到形成在集电体的两侧的活性物质层，能够获得具有高放电容量的优异的充放电特性的锂二次电池用电极。 实施例包括在集电体的第一表面上形成由多个层组成的第一活性材料层，以及在集电体的第二表面上形成由多个层组成的第二活性材料层。 在形成构成第一活性物质层的所有层之前形成构成第二活性物质层的至少一层，由此防止构成第二活性物质层的至少一层的热量施加到构成第一活性物质层的所有层 材料层。
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公开(公告)号：US20050106465A1
公开(公告)日：2005-05-19
申请号：US10992081
申请日：2004-11-19
Applicant: Hiroshi Minami , Hiromasa Yagi , Katsunobu Sayama , Maruo Kamino
Inventor： Hiroshi Minami , Hiromasa Yagi , Katsunobu Sayama , Maruo Kamino
IPC: C01G51/00 , H01M2/26 , H01M2/28 , H01M4/134 , H01M4/1395 , H01M4/38 , H01M4/525 , H01M4/66 , H01M6/16 , H01M10/05 , H01M10/052 , H01M10/0567 , H01M10/0569 , H01M4/58
CPC classification number: H01M10/052 , H01M4/134 , H01M4/1395 , H01M4/38 , H01M4/386 , H01M4/525 , H01M10/0567 , H01M10/0569 , H01M2004/021 , H01M2004/028
Abstract: Charge-discharge cycle performance is improved in a lithium secondary battery including a negative electrode containing a negative electrode active material having silicon as its main component, provided on a surface of a current collector, a positive electrode containing a positive electrode active material, and a non-aqueous electrolyte. The positive electrode active material is a lithium transition metal oxide containing Li and Co and having a layered structure, and further containing a group IVA element of the periodic table, such as Zr, Ti, or Tf, and a group IIA element of the periodic table, such as Mg.
Abstract translation: 在集电体的表面设置有含有作为主要成分的负极活性物质的负极的锂二次电池，含有正极活性物质的正极和含有正极活性物质的正极的锂二次电池的充放电循环性能提高， 非水电解质。 正极活性物质是包含Li和Co并具有层状结构的锂过渡金属氧化物，并且还含有周期表中的IVA族元素，例如Zr，Ti或Tf，以及周期表的第IIA族元素 表，如Mg。
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公开(公告)号：US08609279B2
公开(公告)日：2013-12-17
申请号：US10531045
申请日：2004-06-03
Applicant: Daizo Jito , Noriyuki Tamura , Nobuhiro Sakitani , Hiroshi Minami , Hiromasa Yagi , Maruo Kamino , Katsunobu Sayama , Yoshio Kato , Shigeki Matsuta
Inventor： Daizo Jito , Noriyuki Tamura , Nobuhiro Sakitani , Hiroshi Minami , Hiromasa Yagi , Maruo Kamino , Katsunobu Sayama , Yoshio Kato , Shigeki Matsuta
CPC classification number: H01M10/052 , H01M4/134 , H01M4/386 , H01M4/405 , H01M10/0565 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M10/0585 , H01M10/4235 , H01M2300/0017 , Y10T29/49115
Abstract: A rechargeable lithium battery including a negative electrode made by depositing a noncrystalline thin film composed entirely or mainly of silicon on a current collector, a positive electrode and a nonaqueous electrolyte, characterized in that said nonaqueous electrolyte contains carbon dioxide dissolved therein.
Abstract translation: 一种可再充电锂电池，其包括通过在集电体上沉积完全或主要由硅构成的非晶薄膜而制成的负极，正极和非水电解质，其特征在于，所述非水电解质含有溶解于其中的二氧化碳。
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Patent Agency Ranking
公开(公告)号：US07727580B2
公开(公告)日：2010-06-01
申请号：US11390477
申请日：2006-03-28
Applicant: Masaki Hirase , Hiromasa Yagi , Daizo Jito , Kei Kobayashi , Katsunobu Sayama
Inventor： Masaki Hirase , Hiromasa Yagi , Daizo Jito , Kei Kobayashi , Katsunobu Sayama
CPC classification number: H01M4/139 , H01M4/0404 , H01M4/0421 , H01M4/0435 , H01M4/131 , H01M4/134 , H01M4/386 , H01M4/525 , H01M4/661 , H01M10/052
Abstract: A method of manufacturing an electrode for a lithium secondary battery in which a thin film of active material is deposited on a current collector is provided that eliminates adverse effects on the battery caused by protrusions adhered on an electrode surface. The method of manufacturing an electrode for lithium secondary batteries includes depositing a thin film of active material on a current collector using thin-film deposition equipment as shown in FIG. 1, and performing a compression process after depositing the thin film, whereby the heights of protrusions formed on the electrode surface are reduced.
Abstract translation: 提供了一种制造其中在集电器上沉积活性材料薄膜的锂二次电池的电极的方法，其消除了由附着在电极表面上的突起引起的对电池的不利影响。 制造锂二次电池用电极的方法包括使用如图1所示的薄膜沉积设备在集电体上沉积活性材料薄膜。 如图1所示，并且在沉积薄膜之后进行压缩处理，由此在电极表面上形成的突起的高度减小。
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公开(公告)号：US07160646B2
公开(公告)日：2007-01-09
申请号：US10398934
申请日：2002-03-04
Applicant: Ryuji Ohshita , Taeko Ota , Maruo Kamino , Hisaki Tarui , Masahisa Fujimoto , Shin Fujitani , Katsunobu Sayama
Inventor： Ryuji Ohshita , Taeko Ota , Maruo Kamino , Hisaki Tarui , Masahisa Fujimoto , Shin Fujitani , Katsunobu Sayama
CPC classification number: H01M4/364 , H01M4/0404 , H01M4/38 , H01M4/386 , H01M4/58 , H01M4/661 , H01M10/052 , H01M2004/027
Abstract: An electrode for lithium secondary battery having a current collector and, deposited thereon, a thin film comprising silicon as a main component, characterized in that the thin film comprising silicon contains at least one of the elements belonging to the groups IIIa, Iva, Va, VIa, VIIa, VIII, Ib and IIb in the fourth, fifth and sixth periods of the Periodic Table (exclusive of copper (Cu)) at least in the surface portion thereof.
Abstract translation: 1.一种锂二次电池用电极，其具有集电体，在其上沉积包含硅作为主要成分的薄膜，其特征在于，所述包含硅的薄膜含有属于IIIa，Iva，Va， VIa，VIIa，VIII，Ib和IIb，其表面部分至少在周期表的第四，第五和第六周期（不包括铜（Cu））。
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公开(公告)号：US20060228467A1
公开(公告)日：2006-10-12
申请号：US11390477
申请日：2006-03-28
Applicant: Masaki Hirase , Hiromasa Yagi , Daizo Jito , Kei Kobayashi , Katsunobu Sayama
Inventor： Masaki Hirase , Hiromasa Yagi , Daizo Jito , Kei Kobayashi , Katsunobu Sayama
IPC: B05D5/12
CPC classification number: H01M4/139 , H01M4/0404 , H01M4/0421 , H01M4/0435 , H01M4/131 , H01M4/134 , H01M4/386 , H01M4/525 , H01M4/661 , H01M10/052
Abstract: A method of manufacturing an electrode for a lithium secondary battery in which a thin film of active material is deposited on a current collector is provided that eliminates adverse effects on the battery caused by protrusions adhered on an electrode surface. The method of manufacturing an electrode for lithium secondary batteries includes depositing a thin film of active material on a current collector using thin-film deposition equipment as shown in FIG. 1, and performing a compression process after depositing the thin film, whereby the heights of protrusions formed on the electrode surface are reduced.
Abstract translation: 提供了一种制造其中在集电器上沉积活性材料薄膜的锂二次电池的电极的方法，其消除了由附着在电极表面上的突起引起的对电池的不利影响。 制造锂二次电池用电极的方法包括使用如图1所示的薄膜沉积设备在集电体上沉积活性材料薄膜。 如图1所示，并且在沉积薄膜之后进行压缩处理，由此在电极表面上形成的突起的高度减小。
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公开(公告)号：US20060003226A1
公开(公告)日：2006-01-05
申请号：US10531047
申请日：2004-06-04
Applicant: Shouichirou Sawa , Hiroshi Minami , Mariko Torimae , Atsushi Fukui , Yasuyuki Kusumoto , Katsunobu Sayama , Maruo Kamino
Inventor： Shouichirou Sawa , Hiroshi Minami , Mariko Torimae , Atsushi Fukui , Yasuyuki Kusumoto , Katsunobu Sayama , Maruo Kamino
CPC classification number: H01M10/052 , H01M4/0471 , H01M4/134 , H01M4/386 , H01M4/405 , H01M10/0567 , H01M10/058 , H01M2004/027 , Y10T29/49108
Abstract: A rechargeable lithium battery including a negative electrode made by sintering, on a surface of a conductive metal foil as a current collector, a layer of a mixture of active material particles containing silicon and/or a silicon alloy and a binder, a positive electrode and a nonaqueous electrolyte, characterized in that the nonaqueous electrolyte contains carbon dioxide dissolved therein.
Abstract translation: 一种可再充电锂电池，包括通过烧结制成的负极，作为集电体的导电金属箔的表面，含有硅和/或硅合金和粘合剂的活性物质颗粒的混合物层，正极和 非水电解质，其特征在于，所述非水电解质含有溶解在其中的二氧化碳。
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公开(公告)号：US06610357B2
公开(公告)日：2003-08-26
申请号：US09995753
申请日：2001-11-29
Applicant: Koji Endo , Katsunobu Sayama , Hisaki Tarui
Inventor： Koji Endo , Katsunobu Sayama , Hisaki Tarui
IPC: B05D512
CPC classification number: C23C14/165 , C23C14/541 , C23C14/562 , H01M4/04 , H01M4/0404 , H01M4/0409 , H01M4/0416 , H01M4/0426 , H01M4/0435 , H01M4/13 , H01M4/405 , H01M4/661
Abstract: A method for fabricating an electrode for lithium secondary battery characterized by applying a tension to a metallic foil so as to pull an area of the metallic foil on which a thin film composed of active material is deposited, from the both sides in the direction of longitude, when depositing the thin film on the metallic foil serving as a current collector.
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