公开(公告)号：US20130029218A1

公开(公告)日：2013-01-31

申请号：US13577576

申请日：2011-02-08

申请人： Ippei Waki ,  Hideaki Sasaki ,  Takehiro Noguchi ,  Yasutaka Kono ,  Hitoshi Ishikawa

发明人： Ippei Waki ,  Hideaki Sasaki ,  Takehiro Noguchi ,  Yasutaka Kono ,  Hitoshi Ishikawa

IPC分类号： H01M10/0564

CPC分类号： H01M10/0567 ,  H01M4/587 ,  H01M4/622 ,  H01M10/0525 ,  H01M2300/0025

摘要： A nonaqueous electrolyte secondary battery comprising positive and negative electrodes capable of absorbing and desorbing lithium ions; a nonaqueous electrolytic solution; and a separator provided between the positive electrode and the negative electrode. The negative electrode comprises a negative electrode active material layer containing at least a styrene polymer as a binder in a content of 0.3 to 8.0 mass % based on the total mass of the negative electrode active material layer. The nonaqueous electrolytic solution contains at least a cyclic sulfonic acid ester including at least two sulfonyl groups in a content of 0.002 to 5.0 mass % based on the total mass of the nonaqueous electrolytic solution.

摘要翻译： 一种非水电解质二次电池，其包含能够吸收和解吸锂离子的正极和负极; 非水电解液; 以及设置在正极和负极之间的隔膜。 该负极包含至少含有作为粘合剂的苯乙烯聚合物的负极活性物质层，其含量相对于负极活性物质层的总质量为0.3〜8.0质量％。 该非水电解液至少含有至少两个磺酸基的环状磺酸酯，其含量相对于非水电解液的总质量为0.002〜5.0质量％。

公开(公告)号：US20140248534A1

公开(公告)日：2014-09-04

申请号：US14352942

申请日：2012-11-08

申请人： Yuka Chikugo ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Ippei Waki ,  Koh Ishiguchi

发明人： Yuka Chikugo ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Ippei Waki ,  Koh Ishiguchi

IPC分类号： H01M4/62 ,  H01M4/04

CPC分类号： H01M4/0404 ,  H01M4/13 ,  H01M4/139 ,  H01M4/622 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

摘要： A lithium ion secondary battery electrode according to the present invention includes (A) a non-fluorinated polymer; (B) an active material; (C) a thickener; and (D) a conductive auxiliary agent. An elution ratio of (A) the non-fluorinated polymer in an electrolytic solution solvent at 60° C. is equal to or less than 1.0 mass %, and a swelling ratio of (A) the non-fluorinated polymer in the electrolytic solution solvent at 60° C. is equal to or more than 10 mass % and equal to or less than 50 mass %.

摘要翻译： 根据本发明的锂离子二次电池电极包括（A）非氟化聚合物; （B）活性物质; （C）增稠剂; 和（D）导电助剂。 电解溶液中的（A）非氟化聚合物在60℃下的洗脱比等于或小于1.0质量％，电解溶液中的（A）非氟化聚合物的溶胀比 在60℃下等于或大于10质量％且等于或小于50质量％。

公开(公告)号：US20150104711A1

公开(公告)日：2015-04-16

申请号：US14401679

申请日：2013-05-30

申请人： Ippei Waki ,  Yasutaka Kono ,  Tomoyuki Ohta

发明人： Ippei Waki ,  Yasutaka Kono ,  Tomoyuki Ohta

IPC分类号： H01M4/133 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/587

CPC分类号： H01M4/133 ,  H01M4/366 ,  H01M4/587 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  Y02T10/7011

摘要： A negative electrode for a lithium ion secondary battery according to the present invention includes a negative electrode active material and a binder, in which the negative electrode active material satisfies the following requirements (A), (B), and (C):(A) graphite powder is used as a core material, and at least a part of a surface of the graphite powder is coated with a carbon material having lower crystallinity than the graphite powder;(B) a specific surface area measured using a nitrogen adsorption BET method is more than or equal to 0.8 m2/g and less than or equal to 5.3 m2/g; and(C) an amount of dibutyl phthalate absorption measured according to JIS K 6217-4 is more than or equal to 32 cm3/100 g and less than or equal to 45 cm3/100 g.

摘要翻译： 本发明的锂离子二次电池用负极包括负极活性物质和粘合剂，其中负极活性物质满足以下要求（A），（B）和（C）：（A ）石墨粉末作为核心材料，石墨粉末的至少一部分表面涂覆有比石墨粉末低的结晶度的碳材料; （B）使用氮吸附BET法测定的比表面积为0.8m 2 / g以上且小于或等于5.3m 2 / g; 和（C）根据JIS K 6217-4测量的邻苯二甲酸二丁酯吸收量大于或等于32cm 3 / 100g且小于或等于45cm 3 / 100g。

公开(公告)号：US08377596B2

公开(公告)日：2013-02-19

申请号：US13504660

申请日：2010-10-19

申请人： Shinako Kaneko ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Yoko Hashizume

发明人： Shinako Kaneko ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Yoko Hashizume

IPC分类号： H01M10/40 ,  H01G9/038

CPC分类号： H01M10/0567 ,  H01G11/56 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/4235 ,  H01M2300/0025 ,  Y02E60/13

摘要： There are provided a nonaqueous-type electrolyte solution having high flame retardancy and a good capacity retention rate, and a device comprising the nonaqueous-type electrolyte solution. The nonaqueous-type electrolyte solution is used in a device comprising a positive electrode, a negative electrode and the nonaqueous-type electrolyte solution, and contains a lithium salt and a compound having a phosphazene structure, and further contains 0.05% by mass or more and 12.0% by mass or less of at least one disulfonate ester selected from a cyclic disulfonate ester and a chain disulfonate ester based on the total of the nonaqueous-type electrolyte solution.

摘要翻译： 提供了具有高阻燃性和良好的容量保持率的非水型电解质溶液和包含非水型电解质溶液的装置。 非水型电解质溶液用于包括正极，负极和非水型电解质溶液的装置中，并且含有锂盐和具有磷腈结构的化合物，并且还含有0.05质量％以上， 12.0质量％以下的至少一种选自环状二磺酸酯和链二磺酸酯的二磺酸酯，以非水系电解液的总量为基准。

公开(公告)号：US20120115037A1

公开(公告)日：2012-05-10

申请号：US13382851

申请日：2009-07-09

申请人： Yasutaka Kono ,  Koji Utsugi ,  Hiroshi Kobayashi ,  Hitoshi Ishikawa ,  Manabu Kikuta ,  Michiyuki Kono

发明人： Yasutaka Kono ,  Koji Utsugi ,  Hiroshi Kobayashi ,  Hitoshi Ishikawa ,  Manabu Kikuta ,  Michiyuki Kono

IPC分类号： H01M10/056

CPC分类号： H01M10/0565 ,  H01G11/56 ,  H01M4/485 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0085 ,  Y02E60/13

摘要： The present invention provides a polymer gel electrolyte capable of inhibiting the cell expansion of a polymer secondary battery and improving the cycle characteristics and high-temperature storage characteristics of a polymer secondary battery. The present invention relates to a polymer gel electrolyte comprising an aprotic solvent; a supporting salt; a cyclic sulfonic acid ester which includes at least two sulfonyl groups; and a crosslinked polymer obtained by crosslinking a methacrylic acid ester polymer represented by general formula (1) below. In the general formula (1), n meets 1800

摘要翻译： 本发明提供能够抑制聚合物二次电池的电池膨胀并提高聚合物二次电池的循环特性和高温保存特性的聚合物凝胶电解质。 本发明涉及包含非质子溶剂的聚合物凝胶电解质; 支持盐 包括至少两个磺酰基的环状磺酸酯; 和通过下述通式（1）表示的甲基丙烯酸酯聚合物交联得到的交联聚合物。 在通式（1）中，n满足1800

公开(公告)号：US20090253049A1

公开(公告)日：2009-10-08

申请号：US12419486

申请日：2009-04-07

申请人： Hitoshi Ishikawa ,  Yasutaka Kono ,  Koji Utsugi ,  Yoko Hashizume ,  Shinako Kaneko ,  Hiroshi Kobayashi

发明人： Hitoshi Ishikawa ,  Yasutaka Kono ,  Koji Utsugi ,  Yoko Hashizume ,  Shinako Kaneko ,  Hiroshi Kobayashi

IPC分类号： H01M10/40

CPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

摘要： A non-aqueous electrolyte can suppress decomposition of a solvent, improve the cycle life of a secondary battery, suppress the rise of resistance of a secondary battery and improve the capacity maintenance ratio of a secondary battery A non-aqueous electrolyte secondary battery formed by using such a non-aqueous electrolyte includes a non-aqueous electrolyte containing an aprotic solvent and a disulfonic acid ester as expressed by chemical formula 1 shown below, a positive electrode and a negative electrode:

摘要翻译： 非水电解质可以抑制溶剂的分解，提高二次电池的循环寿命，抑制二次电池的电阻上升，提高二次电池的容量维持率通过使用形成的非水电解质二次电池 这种非水电解质包括含有如下所示的化学式1表示的非质子溶剂和二磺酸酯的非水电解质，正极和负极：

公开(公告)号：US20120315546A1

公开(公告)日：2012-12-13

申请号：US13584719

申请日：2012-08-13

申请人： Shinako Kaneko ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Yoko Hashizume ,  Hiroshi Kobayashi

发明人： Shinako Kaneko ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Yoko Hashizume ,  Hiroshi Kobayashi

IPC分类号： H01M10/056

CPC分类号： H01M10/0569 ,  H01M4/1393 ,  H01M4/362 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2004/021 ,  H01M2300/0022 ,  H01M2300/0045 ,  H01M2300/0085 ,  Y02T10/7011

摘要： To provide high energy density, good cycle properties and rate characteristics and long-term safety of a lithium ion battery containing at least an ionic liquid and a lithium salt. The above problems are solved by suppressing reduction and decomposition of the ionic liquid on an anode by using a graphite coated with an amorphous carbon or onto which an amorphous carbon is deposited as an anode active material.

摘要翻译： 提供含有至少一种离子液体和锂盐的锂离子电池的高能量密度，良好的循环性能和速率特性以及长期的安全性。 通过使用涂覆有无定形碳的石墨或其上沉积无定形碳作为阳极活性材料来抑制阳极上的离子液体的还原和分解来解决上述问题。

公开(公告)号：US20120219865A1

公开(公告)日：2012-08-30

申请号：US13504660

申请日：2010-10-19

申请人： Shinako Kaneko ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Yoko Hashizume

发明人： Shinako Kaneko ,  Hitoshi Ishikawa ,  Yasutaka Kono ,  Yoko Hashizume

IPC分类号： H01M10/26 ,  H01G9/035

CPC分类号： H01M10/0567 ,  H01G11/56 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/4235 ,  H01M2300/0025 ,  Y02E60/13

摘要： There are provided a nonaqueous-type electrolyte solution having high flame retardancy and a good capacity retention rate, and a device comprising the nonaqueous-type electrolyte solution. The nonaqueous-type electrolyte solution is used in a device comprising a positive electrode, a negative electrode and the nonaqueous-type electrolyte solution, and contains a lithium salt and a compound having a phosphazene structure, and further contains 0.05% by mass or more and 12.0% by mass or less of at least one disulfonate ester selected from a cyclic disulfonate ester and a chain disulfonate ester based on the total of the nonaqueous-type electrolyte solution.

摘要翻译： 提供了具有高阻燃性和良好的容量保持率的非水型电解质溶液和包含非水型电解质溶液的装置。 非水型电解质溶液用于包括正极，负极和非水型电解质溶液的装置中，并且含有锂盐和具有磷腈结构的化合物，并且还含有0.05质量％以上， 12.0质量％以下的至少一种选自环状二磺酸酯和链二磺酸酯的二磺酸酯，以非水系电解液的总量为基准。

公开(公告)号：US20130230779A1

公开(公告)日：2013-09-05

申请号：US13883953

申请日：2011-12-22

申请人： Shinako Kaneko ,  Yasutaka Kono ,  Hitoshi Ishikawa

发明人： Shinako Kaneko ,  Yasutaka Kono ,  Hitoshi Ishikawa

IPC分类号： H01M10/0565 ,  H01M10/0525

CPC分类号： H01M10/0565 ,  H01M10/0525 ,  H01M2300/0082 ,  Y02E60/122

摘要： An object of the present invention is to provide a gel electrolyte for a lithium ion secondary battery having flame retardancy over a long period and a good capacity maintenance rate. The gel electrolyte for a lithium ion secondary battery according to the exemplary embodiment contains a lithium salt, a copolymer of at least one first monomer selected from compounds represented by chemical formulae (1) and (2) and a second monomer represented by chemical formula (4), at least one oxo-acid ester derivative of phosphorus selected from compounds represented by chemical formulae (5) to (7), and at least one disulfonate ester selected from a cyclic-chain type disulfonate ester represented by chemical formula (8) and a linear-chain type disulfonate ester represented by chemical formula (9).

摘要翻译： 本发明的目的是提供一种具有长时间阻燃性且容量维持率良好的锂离子二次电池用凝胶电解质。 根据示例性实施方式的锂离子二次电池用凝胶电解质含有锂盐，选自化学式（1）和（2）表示的化合物的至少一种第一单体和由化学式（2）表示的第二单体的共聚物 4）中，至少一种选自化学式（5）至（7）表示的化合物的磷的含氧酸酯衍生物和至少一种选自由化学式（8）表示的环状二磺酸酯的二磺酸酯， 和由化学式（9）表示的直链型二磺酸酯。

公开(公告)号：US08455142B2

公开(公告)日：2013-06-04

申请号：US12419486

申请日：2009-04-07

申请人： Hitoshi Ishikawa ,  Yasutaka Kono ,  Koji Utsugi ,  Yoko Hashizume ,  Shinako Kaneko ,  Hiroshi Kobayashi

发明人： Hitoshi Ishikawa ,  Yasutaka Kono ,  Koji Utsugi ,  Yoko Hashizume ,  Shinako Kaneko ,  Hiroshi Kobayashi

IPC分类号： H01M6/16

CPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

摘要： A non-aqueous electrolyte can suppress decomposition of a solvent, improve the cycle life of a secondary battery, suppress the rise of resistance of a secondary battery and improve the capacity maintenance ratio of a secondary battery. A non-aqueous electrolyte secondary battery formed by using such a non-aqueous electrolyte includes a non-aqueous electrolyte containing an aprotic solvent and a disulfonic acid ester as expressed by chemical formula 1 shown below, a positive electrode and a negative electrode:

摘要翻译： 非水电解质可以抑制溶剂的分解，提高二次电池的循环寿命，抑制二次电池的电阻上升，提高二次电池的容量维持率。 通过使用这种非水电解质形成的非水电解质二次电池包括含有如下所示的化学式1表示的非质子溶剂和二磺酸酯的非水电解质，正极和负极：