公开(公告)号：US06673492B2

公开(公告)日：2004-01-06

申请号：US09861729

申请日：2001-05-21

申请人： Shigeru Yao ,  Shyusei Ohya ,  Yukihiko Asano ,  Toshikazu Hamamoto ,  Kazuhiro Miyoshi

发明人： Shigeru Yao ,  Shyusei Ohya ,  Yukihiko Asano ,  Toshikazu Hamamoto ,  Kazuhiro Miyoshi

IPC分类号： H01M458

CPC分类号： H01M4/587 ,  H01M2004/021

摘要： An electrode material for a secondary cell comprising as its essential component a powder of graphite having a crystallinity of 90% or more obtained by graphitizing a highly heat resistant polymer compact in an anaerobic atmosphere and crushing into a powder, and a process for the production of an electrode material for a secondary cell comprising heating and graphitizing a composition in which 0-10 wt % of a boron compound is added to a highly heat-resistant polymer to produce a powder of graphite having crystallinity of 90% or more contained as its essential component. An electrode material for a secondary cell having excellent charge/discharge cycle life and discharge voltage performance is provided.

摘要翻译： 一种二次电池用电极材料，其特征在于，将具有90％以上的结晶度的石墨粉末作为其主要成分，通过将耐高温聚合物成形体在无氧气氛中石墨化并粉碎成粉末而获得， 用于二次电池的电极材料包括加热和石墨化其中0-10重量％的硼化合物的组合物加入到高耐热性聚合物中以产生具有90％或更高结晶度的石墨粉末作为其基本要素 零件。 提供了具有优异的充放电循环寿命和放电电压性能的二次电池用电极材料。

公开(公告)号：US06413677B1

公开(公告)日：2002-07-02

申请号：US09466332

申请日：1999-12-17

申请人： Toshikazu Hamamoto ,  Koji Abe ,  Tsutomu Takai ,  Yasuo Matsumori ,  Kazuhiro Miyoshi ,  Akira Ueki

发明人： Toshikazu Hamamoto ,  Koji Abe ,  Tsutomu Takai ,  Yasuo Matsumori ,  Kazuhiro Miyoshi ,  Akira Ueki

IPC分类号： H01M1040

CPC分类号： H01M10/052 ,  H01M10/0567

摘要： A lithium secondary battery electrolyte comprising a non-aqueous solvent and a lithium salt dissolved therein, said electrolyte containing at least one compound having the formula (I) or (II): wherein, R1 and R2 independently indicate, a C1 to C12 alkyl group, a C3 to C6 cycloalkyl group, or an aryl group, x indicates an oxygen atom or a sulfur atom, and n indicates an integer of 1 or 2; R3—S—M  (II) wherein, R3 indicates a C1 to C15 alkyl group or a C3 to C12 cycloalkyl group which may be substituted with at least one C1 to C4 alkyl group, a C7 to C15 benzyl group which may be substituted with at least one C1 to C4 alkyl group, or a C6 to C15 aryl group, which may be substituted with at least one C1 to C4 alkyl group, M indicates an alkali metal, and R3 may be substituted with at least one halogen atom; and a lithium secondary battery using the same.

摘要翻译： 包含溶解在其中的非水溶剂和锂盐的锂二次电池电解质，所述电解质含有至少一种具有式（I）或（II）的化合物：其中，R 1和R 2独立地表示C1-C12烷基 ，C3〜C6环烷基或芳基，x表示氧原子或硫原子，n表示1或2的整数;其中，R3表示C1〜C15烷基或C3〜C12环烷基 其可以被至少一个C 1至C 4烷基，可被至少一个C 1至C 4烷基取代的C 7至C 15苄基或C 6至C 15芳基取代，其可被至少一个 C1至C4烷基，M表示碱金属，R3可以被至少一个卤素原子取代; 和使用该二次电池的锂二次电池。

公开(公告)号：US09240614B2

公开(公告)日：2016-01-19

申请号：US13701193

申请日：2011-06-03

申请人： Koji Abe ,  Kazuhiro Miyoshi ,  Shoji Shikita ,  Kei Shimamoto

发明人： Koji Abe ,  Kazuhiro Miyoshi ,  Shoji Shikita ,  Kei Shimamoto

IPC分类号： H01M10/0567 ,  H01G11/58 ,  H01M10/0569 ,  H01M10/052 ,  H01M10/0566

CPC分类号： H01M10/0567 ,  H01G11/58 ,  H01M10/052 ,  H01M10/0566 ,  H01M10/0569 ,  H01M2300/0025 ,  Y02E60/122 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

摘要： The present invention provides a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range, an electrochemical element produced by using the same and a sulfonic ester compound having a branched structure which is used for the same.The present invention relates to a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, which comprises a sulfonic ester compound represented by the following Formula (I) in an amount of 0.001 to 5% by mass of the nonaqueous electrolytic solution: (wherein R represents an alkyl group or an aryl group; A represents a >CH group or a >SiZ group (Z represents an alkyl group or an aryl group); X represents an alkyl group, a cycloalkyl group or an aryl group; Y represents a cycloalkyl group, a -L1CHRaOSO2Rb group or a —Si(Rc)(Rd)OSO2Rb group; W represents 1 or 2; Ra represents an alkyl group; Rb, Rc and Rd represent an alkyl group or an aryl group; L1 represents an alkylene group in which at least one hydrogen atom may be substituted with —OSO2Re (Re has the same meaning as that of R), a divalent linkage group containing at least one ether bond or a single bond).

摘要翻译： 本发明提供一种可以提高宽温度范围内的电化学特性的非水电解液，使用该电解质的电化学元件和具有分支结构的磺酸酯化合物。 本发明涉及通过将电解质盐溶解在非水溶剂中而制备的非水电解液，该非水溶剂包含以下式（I）表示的磺酸酯化合物：非水电解液的0.001〜5质量％ （其中R表示烷基或芳基; A表示> CH基或> SiZ基（Z表示烷基或芳基）; X表示烷基，环烷基或芳基; Y 表示环烷基，-L1CHRaOSO2Rb基或-Si（Rc）（Rd）OSO2Rb基; W表示1或2; Ra表示烷基; Rb，Rc和Rd表示烷基或芳基; L1表示 其中至少一个氢原子可以被-OSO 2 Re取代的亚烷基（Re具有与R相同的含义），含有至少一个醚键或单键的二价连接基团）。

公开(公告)号：US08568932B2

公开(公告)日：2013-10-29

申请号：US12064181

申请日：2006-08-10

申请人： Koji Abe ,  Kazuhiro Miyoshi ,  Chisen Hashimoto ,  Masahide Kondo

发明人： Koji Abe ,  Kazuhiro Miyoshi ,  Chisen Hashimoto ,  Masahide Kondo

IPC分类号： H01M6/16

CPC分类号： H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025 ,  H01M2300/0037 ,  H01M2300/004 ,  H01M2300/0042

摘要： The present invention provides a nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, containing 0.01% to 30% by weight of a 1,2-cyclohexanediol derivative having a specific structure; and a lithium secondary battery using the nonaqueous electrolytic solution. The lithium secondary battery exhibits excellent battery characteristics such as electrical capacity, cycle property, and storage property and can maintain excellent long-term battery performance.

摘要翻译： 本发明提供一种非水电解液，其中电解质盐溶解在非水溶剂中，其含有0.01重量％至30重量％的具有特定结构的1,2-环己二醇衍生物; 以及使用非水电解液的锂二次电池。 锂二次电池具有优异的电池特性，例如电容，循环特性和存储性能，并且可以保持优异的长期电池性能。

公开(公告)号：US20120183864A1

公开(公告)日：2012-07-19

申请号：US13430791

申请日：2012-03-27

申请人： Koji ABE ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

发明人： Koji ABE ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

IPC分类号： H01M10/056

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/661 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/4235 ,  H01M2004/021 ,  H01M2300/0025 ,  H01M2300/0091

摘要： A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %.

摘要翻译： 非水电解液有利地用于制备循环特性优异的锂二次电池。 在锂二次电池用非水电解液中，将电解质盐溶解在非水溶剂中。 非水电解液还含有碳酸亚乙烯酯化合物，其量为0.01〜10重量％。 ％，炔化合物的量为0.01〜10重量％。 ％。

公开(公告)号：US08124273B2

公开(公告)日：2012-02-28

申请号：US12064337

申请日：2006-08-11

申请人： Koji Abe ,  Kazuhiro Miyoshi ,  Masahide Kondo ,  Manabu Takase

发明人： Koji Abe ,  Kazuhiro Miyoshi ,  Masahide Kondo ,  Manabu Takase

IPC分类号： H01M4/36

CPC分类号： H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2300/004

摘要： The present invention provides a nonaqueous electrolytic solution exhibiting excellent electrical capacity, long-term cycle property, and storage property in a charged state; and a lithium secondary battery using the nonaqueous electrolytic solution.The nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, comprises 0.001% to 5% by weight of a tin compound represented by the following general formula (I) and/or (II), on the basis of the weight of the nonaqueous electrolytic solution: R1R2R3Sn-MR4R5R6  (I) where R1 to R3 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or an aryloxy group; R4 to R6 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, or an aryl group; M represents Si or Ge; and SnX2  (II) where X represents β-diketonate.

摘要翻译： 本发明提供一种在充电状态下显示出优异的电容，长期循环性能和储存性能的非水电解液。 以及使用非水电解液的锂二次电池。 其中电解质盐溶解在非水溶剂中的非水电解液包含0.001重量％至5重量％的由以下通式（I）和/或（II）表示的锡化合物，基于重量 的非水电解液：R1R2R3Sn-MR4R5R6（I）其中R1至R3各自表示氢原子，卤素原子，烷基，烯基，炔基，芳基或芳氧基; R4至R6各自表示氢原子，卤素原子，烷基，烯基，炔基或芳基; M表示Si或Ge; 和SnX2（II），其中X表示＆bgr; - 酮。

公开(公告)号：US20110223489A1

公开(公告)日：2011-09-15

申请号：US13042552

申请日：2011-03-08

申请人： Masato Iwanaga ,  Noriko Yamashita ,  Atsushi Kaiduka ,  Koji Abe ,  Kazuhiro Miyoshi ,  Masahide Kondo

发明人： Masato Iwanaga ,  Noriko Yamashita ,  Atsushi Kaiduka ,  Koji Abe ,  Kazuhiro Miyoshi ,  Masahide Kondo

IPC分类号： H01M10/056

CPC分类号： H01M10/0567 ,  H01M4/525 ,  H01M10/052 ,  H01M10/4235 ,  H01M2300/0025 ,  Y02T10/7011

摘要： A positive electrode active material of a nonaqueous electrolyte secondary battery is composed of lithium-cobalt composite oxide containing at least one of zirconium, titanium, aluminum, and erbium, and the nonaqueous electrolyte includes an additive expressed by General Formula (1) having an acetylene group and a methylsulfonyl group at each end of the molecule. It has the effect of forming an SEI surface film as with the case of VC or the like, as well as having a higher oxidation resistance than that of VC or the like. Thus the nonaqueous electrolyte secondary battery employing as positive electrode active material a lithium-cobalt composite oxide with a particular dissimilar metallic element added, in which decomposition of the nonaqueous electrolytic solution during storage at high temperature in a charged state is suppressed, and there is little battery swelling is provided.

摘要翻译： 非水电解质二次电池的正极活性物质由含有锆，钛，铝，铒中的至少一种的锂钴复合氧化物构成，非水电解质含有通式（1）表示的添加剂，其具有乙炔 基团和分子的每个末端的甲基磺酰基。 与VC等的情况相同，具有形成SEI表面膜的效果，并且具有比VC等更高的抗氧化性。 因此，作为正极活性物质使用添加了特定的异种金属元素的锂 - 钴复合氧化物的非水电解质二次电池，其中抑制了在高温下在充电状态下储存期间非水电解液的分解，并且几乎没有 提供电池膨胀。

公开(公告)号：US07985502B2

公开(公告)日：2011-07-26

申请号：US10592702

申请日：2005-03-18

申请人： Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

发明人： Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

IPC分类号： H01M6/04

CPC分类号： H01M10/0567 ,  H01M4/1391 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025

摘要： The present invention provides a lithium secondary battery having excellent battery characteristics such as battery cycling property, electrical capacity and storage property.The present invention relates to a nonaqueous electrolytic solution for lithium secondary batteries in which an electrolyte salt is dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution comprising a formic ester compound having a specific structure in an amount of 0.01 to 10% by weight of the nonaqueous electrolytic solution, and a lithium secondary battery using the same.

摘要翻译： 本发明提供具有优异的电池特性如锂电池循环特性，电容量和储存性能的锂二次电池。 本发明涉及一种锂二次电池的非水电解液，其中电解质盐溶解在非水溶剂中，该非水电解液包含具有特定结构的甲酸酯化合物，其量为0.01-10重量％ 非水电解液和使用其的锂二次电池。

公开(公告)号：US07981552B2

公开(公告)日：2011-07-19

申请号：US11948617

申请日：2007-11-30

申请人： Toshikazu Hamamoto ,  Akira Ueki ,  Koji Abe ,  Kazuhiro Miyoshi

发明人： Toshikazu Hamamoto ,  Akira Ueki ,  Koji Abe ,  Kazuhiro Miyoshi

IPC分类号： H01M6/16 ,  H01M4/58

CPC分类号： H01M10/0567 ,  H01M4/382 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0564 ,  H01M10/4235 ,  H01M10/44 ,  H01M2300/004 ,  H01M2300/0042

摘要： The sudden generation of heat being frequently caused in the case of the overcharge of a lithium secondary cell which have a positive electrode comprising a composite metal oxide of lithium and cobalt or a composite metal oxide of lithium and nickel, a negative electrode comprising metallic lithium, a lithium alloy or a material capable of occluding and releasing lithium, and a nonaqueous electrolyte solution comprising a nonaqueous solvent and an electrolyte dissolved therein can be efficiently prevented by the addition, to the nonaqueous electrolyte solution, of an organic compound which, when the lithium secondary cell is overcharged, decomposes into a decomposition product capable of dissolving out the cobalt or nickel contained in the positive electrode and depositing it ion the negative electrode (for example, a tert-alkylbenzene derivative).

摘要翻译： 在具有包含锂和钴的复合金属氧化物或锂或镍的复合金属氧化物的正极的锂二次电池的过充电的情况下，常常引起热的突然产生，包含金属锂的负极， 可以通过向非水电解液中添加有机化合物来有效地防止锂离子或能够吸留和释放锂的材料，以及非水溶剂和电解质溶解在其中的非水电解质溶液， 二次电池过充电，分解成能够溶解正极中所含的钴或镍的分解产物，并将其沉积在负极（例如，叔烷基苯衍生物）上。

公开(公告)号：US07629085B2

公开(公告)日：2009-12-08

申请号：US11597652

申请日：2005-05-30

申请人： Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

发明人： Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

IPC分类号： H01M10/40 ,  H01M6/16

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0567 ,  H01M2300/004

摘要： A nonaqueous electrolytic solution for a lithium secondary battery, in which 0.01 to 10 wt. % of a sulfur-containing acid ester and 0.01 to 10 wt. % of a triple bond-containing compound are dissolved in a nonaqueous solvent, and a lithium secondary battery employing the nonaqueous electrolytic solution.

摘要翻译： 一种锂二次电池用非水电解液，其中，0.01〜10重量％ ％的含硫酸酯和0.01〜10wt。 将含三价键的化合物的％溶解在非水溶剂中，使用该非水电解液的锂二次电池。