公开(公告)号：US08018239B2

公开(公告)日：2011-09-13

申请号：US12403702

申请日：2009-03-13

申请人： Mitsuhiro Takeno ,  Kazuhiro Okamura

发明人： Mitsuhiro Takeno ,  Kazuhiro Okamura

IPC分类号： G01R27/08

CPC分类号： G01N27/02

摘要： An object of the present invention is to provide a method for measuring information relating to the impedance characteristics of a powder with high accuracy. To achieve such an object, the method for measuring powder properties according to the present invention includes a step in which the impedance characteristics of a powder are obtained by an alternating current impedance method, using a function setting a pressure applied to the powder or a density of the powder as a variable. From the obtained impedance characteristics, information relating to at least one of the components can be extracted, the components being a first component that is dependent on the variable, and a second component that is not dependent on the variable.

摘要翻译： 本发明的目的是提供一种用于高精度地测量与粉末的阻抗特性有关的信息的方法。 为了实现这一目的，根据本发明的粉末特性测量方法包括以下步骤：通过交流阻抗法获得粉末的阻抗特性，使用设定施加于粉末上的压力或密度的功能 的粉末作为变量。 根据获得的阻抗特性，可以提取与至少一个组件相关的信息，该组件是依赖该变量的第一组件，以及不依赖该变量的第二组件。

公开(公告)号：US07875391B2

公开(公告)日：2011-01-25

申请号：US10569368

申请日：2005-05-12

申请人： Shuji Tsutsumi ,  Kozo Watanabe ,  Mitsuhiro Takeno ,  Mikinari Shimada

发明人： Shuji Tsutsumi ,  Kozo Watanabe ,  Mitsuhiro Takeno ,  Mikinari Shimada

IPC分类号： H01M2/16 ,  H01M6/00

CPC分类号： H01M10/0525 ,  H01M2/18 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/62 ,  H01M10/0587 ,  H01M10/4235 ,  H01M2004/025 ,  Y10T29/49108 ,  Y10T29/49115

摘要： A lithium ion secondary battery with improved safety against both internal short-circuiting and overcharge is provided. This lithium ion secondary battery includes a positive electrode comprising a composite lithium oxide, a negative electrode, and a non-aqueous electrolyte. At least one of the positive electrode and the negative electrode has a porous film, comprising an inorganic oxide filler and a binder, on the surface facing the other electrode, and the electrode surface having the porous film partially has a protruded part. This protruded part may be a protruded part formed on the porous film itself or a protruded part formed on an electrode mixture layer. Further, a separator can also be incorporated therein. Instead of the above-mentioned porous film, the separator can be provided with a porous film.

摘要翻译： 提供一种具有改善内部短路和过充电的安全性的锂离子二次电池。 该锂离子二次电池包括含有复合氧化锂，负极和非水电解质的正极。 正电极和负电极中的至少一个在面向另一个电极的表面上具有包含无机氧化物填充剂和粘合剂的多孔膜，并且具有多孔膜的电极表面部分地具有突出部分。 该突出部分可以是形成在多孔膜本身上的突出部分或形成在电极混合物层上的突出部分。 此外，还可以并入隔板。 代替上述多孔膜，隔板可以设置有多孔膜。

公开(公告)号：US20100315078A1

公开(公告)日：2010-12-16

申请号：US12744035

申请日：2008-12-12

申请人： Mitsuhiro Takeno ,  Masakazu Yamada

发明人： Mitsuhiro Takeno ,  Masakazu Yamada

IPC分类号： G01R33/12

CPC分类号： G01N27/72 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/058

摘要： A method for evaluating an electrode material for a non-aqueous electrolyte secondary battery including the steps of: (A) vibrating an electrode material for a non-aqueous electrolyte secondary battery at a prescribed frequency successively in two or more levels of magnetic fields that have different magnetic flux densities; (B) detecting induced magnetizations that are synchronous with the vibrations generated in the electrode material; and (C) determining saturation magnetization of the electrode material from the induced magnetizations.

摘要翻译： 一种非水电解质二次电池用电极材料的评价方法，其特征在于，包括以下步骤：（A）以规定的频率，连续地以两层以上的磁场振动非水电解质二次电池用电极材料， 不同的磁通密度; （B）检测与电极材料中产生的振动同步的感应磁化; 和（C）从诱导磁化确定电极材料的饱和磁化强度。

公开(公告)号：US20060014077A1

公开(公告)日：2006-01-19

申请号：US11182411

申请日：2005-07-15

申请人： Michiru Hatou ,  Mitsuhiro Takeno ,  Takao Kuromiya

发明人： Michiru Hatou ,  Mitsuhiro Takeno ,  Takao Kuromiya

IPC分类号： H01M4/48 ,  B05D5/12

CPC分类号： H01M4/131 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/027

摘要： A process of producing a positive electrode for lithium secondary batteries, including: at least, a coating preparing step of preparing a coating for a positive electrode material that includes an active material, which is a Li-containing mixed oxide, a conductive additive, a binder and a solvent; a coating step of coating the coating for a positive electrode material onto a current collector; a drying step of removing the solvent from the coating coated on the current collector; and a rolling step, wherein in the above described coating preparing step and coating step, the ratio of the total volume of the active material and the conductive additive to the volume of the solvent in the coating is kept in the range expressed by the following equation: 0.05≦(volume of active material 1c+volume of conductive additive 1d)/volume of solvent≦1.00.

摘要翻译： 一种锂二次电池用正极的制造方法，其特征在于，至少包括：制备包含作为含Li的混合氧化物的活性物质的正极材料用涂料的导电性添加剂，导电性添加剂 粘合剂和溶剂; 将正极材料用涂料涂布在集电体上的涂布工序; 从涂布在集电体上的涂层除去溶剂的干燥工序; 和轧制步骤，其中在上述涂料制备步骤和涂布步骤中，活性材料和导电添加剂的总体积与涂料中溶剂体积的比率保持在由下式表示的范围内 ：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0.05 <=（活性物质的体积+导电添加剂的体积d d）/溶剂的体积<= 1.00。 <？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US07776474B2

公开(公告)日：2010-08-17

申请号：US11262927

申请日：2005-11-01

申请人： Akihiro Taniguchi ,  Kohei Suzuki ,  Shuji Tsutsumi ,  Mitsuhiro Takeno ,  Kozo Watanabe ,  Takashi Takeuchi ,  Takaya Saito

发明人： Akihiro Taniguchi ,  Kohei Suzuki ,  Shuji Tsutsumi ,  Mitsuhiro Takeno ,  Kozo Watanabe ,  Takashi Takeuchi ,  Takaya Saito

IPC分类号： H01M4/02 ,  H01M4/58 ,  H01M4/62 ,  H01M4/00

CPC分类号： H01M4/525 ,  H01M4/131 ,  H01M4/505 ,  H01M4/621

摘要： Disclosed is a non-aqueous electrolyte secondary battery having an electrode group in which a positive electrode and a negative electrode are spirally wound with a separator interposed therebetween. The positive electrode contains a positive electrode active material and a binder. The positive electrode active material contains a mixture of two different particulate substances having different average particle sizes. The two different particulate substances are lithium composite metal oxides containing nickel as an essential element. The binder includes fluorocarbon resin and rubber particles. The fluorocarbon resin contains at least a vinylidene fluoride unit. The amount of the rubber particles per 100 parts by weight of the fluorocarbon resin is 1 to 25 parts by weight.

摘要翻译： 公开了一种具有电极组的非水电解质二次电池，其中正电极和负电极螺旋地缠绕有隔膜。 正极含有正极活性物质和粘合剂。 正极活性物质含有具有不同平均粒径的两种不同颗粒物质的混合物。 两种不同的颗粒物质是含有镍作为必需元素的锂复合金属氧化物。 粘合剂包括氟碳树脂和橡胶颗粒。 氟碳树脂含有至少一个偏氟乙烯单元。 每100重量份氟碳树脂中的橡胶颗粒的量为1至25重量份。

公开(公告)号：US07674556B2

公开(公告)日：2010-03-09

申请号：US10447011

申请日：2003-05-28

申请人： Kensuke Nakura ,  Takafumi Oura ,  Mitsuhiro Takeno ,  Shuji Tsutsumi ,  Kazuhiro Okamura

发明人： Kensuke Nakura ,  Takafumi Oura ,  Mitsuhiro Takeno ,  Shuji Tsutsumi ,  Kazuhiro Okamura

IPC分类号： H01M4/58 ,  H01M4/00 ,  H01M2/18 ,  H02J7/04 ,  H02J7/16

CPC分类号： H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/44 ,  H01M2300/0051 ,  Y02E60/122 ,  Y02T10/7011

摘要： A non-aqueous electrolyte secondary battery comprises a negative electrode including a negative electrode active material, a positive electrode including a positive electrode active material, and a non-aqueous electrolyte; the positive electrode active material is LiNi1-y-zMnyCozO2, wherein y and z satisfy 0

摘要翻译： 非水电解质二次电池包括负极，包括负极活性物质，正极，包括正极活性物质和非水电解质; 正极活性物质为LiNi1-y-zMnyCozO2，其中y和z满足0

公开(公告)号：US20090288289A1

公开(公告)日：2009-11-26

申请号：US12307644

申请日：2008-01-23

申请人： Mitsuhiro Takeno ,  Hideki Sano ,  Akira Iguchi

发明人： Mitsuhiro Takeno ,  Hideki Sano ,  Akira Iguchi

IPC分类号： H01M4/04

CPC分类号： H01M10/052 ,  H01M4/139 ,  Y10T29/49108

摘要： The method for producing a non-aqueous electrolyte secondary battery of the invention includes: (a) a step of preparing an electrode mixture slurry, (b) an ionization step of oxidizing and ionizing a metal impurity present in the electrode mixture slurry, and (c) a step of producing an electrode by using the electrode mixture slurry after the ionization step. In the invention, when the electrode mixture is in the form of a slurry, the metal impurity contained in the electrode mixture is ionized to minimize the amount of the impurity. Therefore, the invention can provide a highly reliable non-aqueous electrolyte secondary battery while minimizing a decrease in production yield by the metal impurity.

摘要翻译： 本发明的非水电解质二次电池的制造方法包括：（a）制备电极混合浆料的步骤，（b）氧化电离混合浆料中存在的金属杂质的离子化步骤，和 c）通过在电离步骤之后使用电极混合物浆料来生产电极的步骤。 在本发明中，当电极混合物为浆料时，电极混合物中所含的金属杂质被电离以最小化杂质的量。 因此，本发明可以提供高可靠性的非水电解质二次电池，同时使金属杂质的产率降低最小化。

公开(公告)号：US08470056B2

公开(公告)日：2013-06-25

申请号：US12307644

申请日：2008-01-23

申请人： Mitsuhiro Takeno ,  Hideki Sano ,  Akira Iguchi

发明人： Mitsuhiro Takeno ,  Hideki Sano ,  Akira Iguchi

IPC分类号： H01M4/04

CPC分类号： H01M10/052 ,  H01M4/139 ,  Y10T29/49108

摘要： The method for producing a non-aqueous electrolyte secondary battery of the invention includes: (a) a step of preparing an electrode mixture slurry, (b) an ionization step of oxidizing and ionizing a metal impurity present in the electrode mixture slurry, and (c) a step of producing an electrode by using the electrode mixture slurry after the ionization step. In the invention, when the electrode mixture is in the form of a slurry, the metal impurity contained in the electrode mixture is ionized to minimize the amount of the impurity. Therefore, the invention can provide a highly reliable non-aqueous electrolyte secondary battery while minimizing a decrease in production yield by the metal impurity.

摘要翻译： 本发明的非水电解质二次电池的制造方法包括：（a）制备电极混合浆料的步骤，（b）氧化电离混合浆料中存在的金属杂质的离子化步骤，和 c）通过在电离步骤之后使用电极混合物浆料来生产电极的步骤。 在本发明中，当电极混合物为浆料时，电极混合物中所含的金属杂质被电离以最小化杂质的量。 因此，本发明可以提供高可靠性的非水电解质二次电池，同时使金属杂质的产率降低最小化。

公开(公告)号：US08125185B2

公开(公告)日：2012-02-28

申请号：US12196451

申请日：2008-08-22

申请人： Mitsuhiro Takeno

发明人： Mitsuhiro Takeno

IPC分类号： H02J7/00

CPC分类号： H02J7/0093

摘要： A method for charging a non-aqueous electrolyte secondary battery including the step of repeating pulse charging and charging pause, in which a pulse charging time is arbitrarily set between a lower limit value and an upper limit value, the lower limit value being an inverse time Tx of a frequency Fx of the high frequency side at which an imaginary part of an alternating current impedance of the non-aqueous electrolyte secondary battery is a first local maximum value, or of a frequency adjacent to Fx, and the upper limit value being an inverse time Ty of a frequency Fy at the low frequency side at which an imaginary part of the alternating current impedance of the non-aqueous electrolyte secondary battery is a second local maximum value, or of a frequency adjacent to Fy.

摘要翻译： 一种非水电解质二次电池的充电方法，包括重复脉冲充电和充电暂停的步骤，其中脉冲充电时间在下限值和上限值之间任意设定，下限值为反时限 非水电解质二次电池的交流阻抗的虚部为第一局部最大值或与Fx相邻的频率的高频侧的频率Fx的Tx，上限值为 在非水电解质二次电池的交流阻抗的虚部为第二局部最大值或与Fy相邻的频率的低频侧的频率Fy的反时限Ty。

公开(公告)号：US20060281007A1

公开(公告)日：2006-12-14

申请号：US10569368

申请日：2005-05-12

申请人： Shuji Tsutsumi ,  Kozo Watanabe ,  Mitsuhiro Takeno ,  Mikinari Shimada

发明人： Shuji Tsutsumi ,  Kozo Watanabe ,  Mitsuhiro Takeno ,  Mikinari Shimada

IPC分类号： H01M2/18 ,  H01M4/58 ,  H01M4/48 ,  H01M10/04

CPC分类号： H01M10/0525 ,  H01M2/18 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/62 ,  H01M10/0587 ,  H01M10/4235 ,  H01M2004/025 ,  Y10T29/49108 ,  Y10T29/49115

摘要： A lithium ion secondary battery with improved safety against both internal short-circuiting and overcharge is provided. This lithium ion secondary battery includes a positive electrode comprising a composite lithium oxide, a negative electrode, and a non-aqueous electrolyte. At least one of the positive electrode and the negative electrode has a porous film, comprising an inorganic oxide filler and a binder, on the surface facing the other electrode, and the electrode surface having the porous film partially has a protruded part. This protruded part may be a protruded part formed on the porous film itself or a protruded part formed on an electrode mixture layer. Further, a separator can also be incorporated therein. Instead of the above-mentioned porous film, the separator can be provided with a porous film.

摘要翻译： 提供一种具有改善内部短路和过充电的安全性的锂离子二次电池。 该锂离子二次电池包括含有复合氧化锂，负极和非水电解质的正极。 正电极和负电极中的至少一个在面向另一个电极的表面上具有包含无机氧化物填充剂和粘合剂的多孔膜，并且具有多孔膜的电极表面部分地具有突出部分。 该突出部分可以是形成在多孔膜本身上的突出部分或形成在电极混合物层上的突出部分。 此外，还可以并入隔板。 代替上述多孔膜，隔板可以设置有多孔膜。