公开(公告)号：US20120032647A1

公开(公告)日：2012-02-09

申请号：US13139115

申请日：2010-10-29

申请人： Kozo Watanabe ,  Toshitada Sato ,  Masahiro Kinoshita

发明人： Kozo Watanabe ,  Toshitada Sato ,  Masahiro Kinoshita

IPC分类号： H02J7/00 ,  G01N27/416

CPC分类号： H01M4/5825 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/44 ,  H02J7/0086 ,  Y02T10/7011

摘要： A method for determining completion of charge of a long-duration lithium ion secondary battery is provided.A method for determining completion of charge a lithium ion secondary battery including one lithium compound having an olivine crystal structure as a positive electrode active material, and a graphite material as a negative electrode active material, includes: (S1) charging the battery by an amount of electricity Xc in time Ti1; (S2) stopping the charging for time Yc after completion of (S1), and measuring a battery voltage Vi1 after the time Yc has passed; (S3) charging the amount of electricity Xc in the time Ti1 after completion of (S2); (S4) stopping the charging for the time Yc after completion of (S3), and measuring a battery voltage Vi2 after the time Yc has passed; and comparing Vi2−Vi1 with a predetermined voltage difference Vi3 to determine that the charge has been completed when Vi2−Vi1>Vi3, and determine that the charge has not been completed when Vi2−Vi1

摘要翻译： 提供了一种用于确定长时间锂离子二次电池的充电完成的方法。 一种锂离子二次电池的充电确定方法，该锂离子二次电池包括一种具有橄榄石晶体结构的锂化合物作为正极活性物质，以及石墨材料作为负极活性物质，包括：（S1）将电池充电量 电时间Ti1; （S2）在（S1）完成后停止对时间Yc的充电，并且在经过时间Yc之后测量电池电压Vi1; （S3）在（S2）完成后的时间Ti1中对电量Xc充电; （S4）在（S3）结束后停止充电时间Yc，并且测量经过时间Yc之后的电池电压Vi2; 并且将Vi2-Vi1与预定电压差Vi3进行比较以确定当Vi2-Vi1> Vi3时电荷已经完成，并且当Vi2-Vi1

公开(公告)号：US20110135997A1

公开(公告)日：2011-06-09

申请号：US13058419

申请日：2009-07-16

申请人： Kozo Watanabe ,  Yoshiyuki Muraoka ,  Toshitada Sato ,  Mami Matsumoto

发明人： Kozo Watanabe ,  Yoshiyuki Muraoka ,  Toshitada Sato ,  Mami Matsumoto

IPC分类号： H01M2/02 ,  H01M10/04

CPC分类号： H01M2/0212 ,  H01M2/0267 ,  H01M2/0275 ,  H01M2/1061 ,  Y10T29/49108 ,  Y10T29/4911 ,  Y10T29/49115

摘要： The disclosed secondary battery is a flat secondary battery 10 including an electrode group 1 which is sealed in a laminate case 9 made of laminate films, and includes a positive electrode including a positive electrode current collector carrying thereon a positive electrode material mixture layer containing a positive electrode active material and a binder, a negative electrode, and a porous insulating layer. The laminate case 9 includes a container portion 9a for containing the electrode group 1, a weld portion 9b in which the laminate films are welded to each other, and a non-weld portion 9c which is provided between the container portion 9a and the weld portion 9b, and in which the laminate films are not welded to each other. The positive electrode has a tensile extension of 3.0% or higher.

摘要翻译： 所公开的二次电池是平面二次电池10，其包括密封在由层压膜制成的层叠壳体9中的电极组1，并且包括正极，其包括正极集电体，该正极集电体承载包含正极的正极材料混合物层 电极活性物质和粘合剂，负极和多孔绝缘层。 层叠壳体9包括用于容纳电极组1的容器部分9a，层压膜彼此焊接的焊接部分9b和设置在容器部分9a和焊接部分之间的非焊接部分9c 9b，并且其中层压膜彼此不焊接。 正极的拉伸伸长率为3.0％以上。

公开(公告)号：US20110287297A1

公开(公告)日：2011-11-24

申请号：US13147520

申请日：2010-10-29

申请人： Toshitada Sato ,  Kozo Watanabe

发明人： Toshitada Sato ,  Kozo Watanabe

IPC分类号： H01M10/05 ,  H01M2/16

CPC分类号： H01M2/16 ,  H01M2/1686 ,  H01M10/052

摘要： A separator (6) is disposed between a positive electrode (4) and a negative electrode (5), and includes a main body layer (6A) and a plurality of thin films (6B), (6C). Each of the plurality of thin films (6B), (6C) has a smaller thickness than the main body layer (6A), and a lower ionic permeability ratio than the main body layer (6A). Moreover, the plurality of thin films (6B), (6C) have ionic permeability ratios different from each other.

摘要翻译： （6）设置在正极（4）和负极（5）之间，并且包括主体层（6A）和多个薄膜（6B），（6C）。 多个薄膜（6B），（6C）中的每一个具有比主体层（6A）更小的厚度，并且比主体层（6A）具有更低的离子渗透率。 此外，多个薄膜（6B）（6C）具有彼此不同的离子渗透率。

公开(公告)号：US20110111276A1

公开(公告)日：2011-05-12

申请号：US13002617

申请日：2010-04-13

申请人： Toshitada Sato ,  Kozo Watanabe

发明人： Toshitada Sato ,  Kozo Watanabe

IPC分类号： H01M4/13 ,  H01M2/26

CPC分类号： H01M4/661 ,  H01M2/26 ,  H01M4/13 ,  H01M4/75 ,  H01M10/0431 ,  H01M10/0587

摘要： An electrode plate for a nonaqueous electrolyte secondary battery includes: a current collector made of metal foil in the shape of a band; a mixture layer containing an active material and provided on each surface of the current collector; and an extension lead connected to the current collector. The current collector has an exposed portion having first and second surfaces on each of which the mixture layer is not provided. The exposed portion extends perpendicularly to a longitudinal direction of the current collector. The extension lead is connected to the first surface of the exposed portion. A portion of the first surface on which the mixture layer is not provided has a width larger than that of a portion of the second surface on which the mixture layer is not provided.

摘要翻译： 非水电解质二次电池用电极板包括：带状的金属箔的集电体， 含有活性物质并设置在集电体的各表面上的混合层; 以及连接到集电器的延伸引线。 集电器具有暴露部分，其具有第一和第二表面，每个表面上没有设置混合层。 暴露部分垂直于集电器的纵向方向延伸。 延伸引线连接到暴露部分的第一表面。 未设置混合层的第一表面的一部分的宽度大于未设置混合层的第二表面的一部分的宽度。

公开(公告)号：US20110200869A1

公开(公告)日：2011-08-18

申请号：US13124768

申请日：2010-08-19

申请人： Mami Matsumoto ,  Kozo Watanabe ,  Toshitada Sato

发明人： Mami Matsumoto ,  Kozo Watanabe ,  Toshitada Sato

IPC分类号： H01M2/02 ,  H01M10/04 ,  H01M4/04

CPC分类号： H01M10/052 ,  H01M4/13 ,  H01M4/133 ,  H01M4/661 ,  H01M4/667 ,  H01M10/058 ,  Y02T10/7011 ,  Y10T29/49108 ,  Y10T29/4911

摘要： An electrode group 4 in which a positive electrode plate 1 and a negative electrode plate 2, each having on a surface of a current collector a mixture layer containing an active material, are wound or layered, with a porous insulating layer 3 interposed between the positive electrode plate 1 and the negative electrode plate 2, is sealed in a battery case 5 together with an nonaqueous electrolyte. Metallic particles 12 melted from a negative electrode current collector 10 are dispersed throughout a negative electrode mixture layer of the negative electrode plate 2. The metallic particles 12 are a metal which is melted from the negative electrode current collector 10 and which is deposited in the negative electrode mixture layer by reverse charging a lithium secondary battery and subsequently charging the lithium secondary battery.

摘要翻译： 其中正极板1和负极板2在电极集合体上具有包含活性材料的混合层的电极组4被缠绕或分层，其中多孔绝缘层3介于阳极 电极板1和负极板2与非水电解质一起密封在电池壳体5中。 从负极集电体10熔融的金属粒子12分散在负极板2的负极混合层的整个面上。金属粒子12是从负极集电体10熔融而成为负极的金属 电极混合层，通过对锂二次电池进行反向充电并随后对锂二次电池进行充电。

公开(公告)号：US08486549B2

公开(公告)日：2013-07-16

申请号：US12600391

申请日：2008-07-18

申请人： Kazuyoshi Honda ,  Toshitada Sato ,  Daisuke Suetsugu ,  Katsumi Kashiwagi ,  Kunihiko Bessho

发明人： Kazuyoshi Honda ,  Toshitada Sato ,  Daisuke Suetsugu ,  Katsumi Kashiwagi ,  Kunihiko Bessho

IPC分类号： H01M6/10 ,  H01M4/58

CPC分类号： H01M10/0525 ,  H01M4/0421 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M10/446

摘要： A lithium ion secondary battery including: a positive electrode current collector; a positive electrode active material layer that is provided in contact with the positive electrode current collector; a separator layer that is provided on a side of the positive electrode active material layer on which the positive electrode current collector is not provided; a negative electrode active material layer that is provided on a side of the separator layer on which the positive electrode active material layer is not provided, that primarily contains silicon or tin, and that includes a opposing portion opposing the positive electrode active material layer and a non-opposing portion not opposing the positive electrode active material layer, the opposing portion and the non-opposing portion containing lithium produced by a thin film-forming method; and a negative electrode current collector that is provided on a side of the negative electrode active material layer on which the separator layer is not provided. Thereby, deformation of the negative electrode and deterioration in cycle characteristics accompanied by such deformation can be prevented.

摘要翻译： 1.一种锂离子二次电池，包括：正极集电体; 设置为与正极集电体接触的正极活性物质层; 设置在不设置正极集电体的正极活性物质层的一侧的隔离层; 设置在不设置正极活性物质层的隔板层的一侧的负极活性物质层，其主要含有硅或锡，并且包括与正极活性物质层相对的相对部分和 不与正极活性物质层相对的非相对部分，相对部分和非相对部分含有通过薄膜形成方法生产的锂; 以及负极集电体，其设置在不设置隔板层的负极活性物质层的一侧。 由此，可以防止负极的变形和伴随这种变形的循环特性的劣化。

公开(公告)号：US08361658B2

公开(公告)日：2013-01-29

申请号：US12775185

申请日：2010-05-06

申请人： Harunari Shimamura ,  Toshitada Sato ,  Takayuki Nakamoto ,  Yasuhiko Bito ,  Yoshiaki Nitta

发明人： Harunari Shimamura ,  Toshitada Sato ,  Takayuki Nakamoto ,  Yasuhiko Bito ,  Yoshiaki Nitta

IPC分类号： H01M4/38 ,  H01M10/40 ,  H01M4/58

CPC分类号： H01M4/134 ,  H01M4/131 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0587

摘要： A negative electrode material for non-aqueous electrolyte secondary batteries, characterized in that the negative electrode material comprises a composite particle including solid phases A and B, the solid phase A being dispersed in the solid phase B, and the ratio (IA/IB) of the maximum diffracted X-ray intensity (IA) attributed to the solid phase A to the maximum diffracted X-ray intensity (IB) attributed to the solid phase B satisfies 0.001≦IA/IB≦0.1, in terms of a diffraction line obtained by a wide-angle X-ray diffraction measurement of the composite particle.

摘要翻译： 一种非水电解质二次电池用负极材料，其特征在于，所述负极材料包括固相A和B的复合粒子，所述固相A分散在固相B中，所述比例（IA / IB） 归因于固相B的固相A的最大衍射X射线强度（IA）与归于固相B的最大衍射X射线强度（IB）的折射率相对于衍射线满足0.001≤n1E; IA / IB＆N1; 0.1 通过复合粒子的广角X射线衍射测定得到。

公开(公告)号：US20110111302A1

公开(公告)日：2011-05-12

申请号：US13002611

申请日：2009-12-17

申请人： Toshitada Sato ,  Yoshiyuki Muraoka

发明人： Toshitada Sato ,  Yoshiyuki Muraoka

IPC分类号： H01M4/131 ,  H01M4/1391

CPC分类号： H01M4/661 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/623 ,  H01M10/052 ,  H01M10/0587 ,  Y10T29/49115

摘要： Winding dislocation in forming an electrode group of a nonaqueous electrolyte secondary battery is prevented.An electrode plate for nonaqueous electrolyte secondary battery includes: a current collector; and an active material mixture layer including an active material and a binder on the current collector, wherein elongation at break is 3% or more, a dynamic hardness at a surface of the active material mixture layer is 4.5 or larger, and a dynamic hardness in an interior of the active material mixture layer is larger than that at the surface of the active material mixture layer by 0.8 or more.

摘要翻译： 防止形成非水电解质二次电池的电极组的绕组位错。 非水电解质二次电池用电极板包括：集电体; 以及在集电体上含有活性物质和粘合剂的活性物质混合层，其中断裂伸长率为3％以上，活性物质混合层表面的动态硬度为4.5以上，动态硬度为 活性物质混合物层的内部比活性物质混合物层的表面大0.8以上。

公开(公告)号：US20100112451A1

公开(公告)日：2010-05-06

申请号：US12444634

申请日：2007-10-09

申请人： Satoshi Shibutani ,  Hideharu Takezawa ,  Kazuyoshi Honda ,  Toshitada Sato

发明人： Satoshi Shibutani ,  Hideharu Takezawa ,  Kazuyoshi Honda ,  Toshitada Sato

IPC分类号： H01M4/58

CPC分类号： H01M4/02 ,  H01M4/134 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/027

摘要： A negative electrode 100 for a nonaqueous electrolytic secondary cell includes a current collector 1 and a plurality of active material bodies 2 formed on a surface of the current collector 1 at intervals; each active material body 2 contains a material for occluding or releasing lithium; and a plurality of projections 3 are formed on a part of a side surface of each active material body 2.

摘要翻译： 非水电解质二次电池用负极100包括：集电体1和间隔地形成在集电体1的表面上的多个活性物质体2; 每个活性材料体2含有用于吸留或释放锂的材料; 在活性物质2的侧面的一部分上形成有多个突起3。

公开(公告)号：US07638239B2

公开(公告)日：2009-12-29

申请号：US11289681

申请日：2005-11-30

申请人： Toshitada Sato ,  Yasutaka Kogetsu ,  Hiroshi Yoshizawa

发明人： Toshitada Sato ,  Yasutaka Kogetsu ,  Hiroshi Yoshizawa

IPC分类号： H01M4/58

CPC分类号： H01M4/134 ,  H01M4/38 ,  H01M4/386 ,  H01M4/661 ,  H01M4/667 ,  H01M10/052 ,  H01M2004/027

摘要： In a negative electrode for a non-aqueous electrolyte secondary battery including an active material portion capable of electrochemically absorbing and desorbing Li, a current collector carrying the active material portion, and a buffer interposed between the active material portion and the current collector, the active material portion includes at least one selected from the group consisting of a Si simple substance, a Si alloy, and a Si compound, the current collector includes Cu, and the buffer has a first layer contacting the current collector and including a group A element which is at least one selected from the group A consisting of Sn, Al, and In, and a second layer contacting the active material portion and including a group B element which is at least one selected from the group B consisting of transition metal elements other than Cu.

摘要翻译： 在含有能够电化学吸收和解吸Li的活性物质部分的非水电解质二次电池用负极中，携带有活性物质部分的集电体和介于活性物质部分和集电体之间的缓冲剂，活性物质 材料部分包括选自由Si单质，Si合金和Si化合物组成的组中的至少一种，集电体包括Cu，并且缓冲层具有与集电体接触的第一层，并且包括A族元素， 是选自由Sn，Al和In构成的组A中的至少一种，第二层与活性物质部分接触，并且包含B族元素，该B族元素是选自除B以外的过渡金属元素的组B中的至少一种 铜。