公开(公告)号：US20110223489A1

公开(公告)日：2011-09-15

申请号：US13042552

申请日：2011-03-08

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

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

IPC: H01M10/056

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M10/052 ,  H01M10/4235 ,  H01M2300/0025 ,  Y02T10/7011

Abstract: 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.

Abstract translation: 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

Applicant: Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

Inventor： Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

IPC: H01M6/04

CPC classification number: H01M10/0567 ,  H01M4/1391 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025

Abstract: 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.

Abstract translation: 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

Applicant: Toshikazu Hamamoto ,  Akira Ueki ,  Koji Abe ,  Kazuhiro Miyoshi

Inventor： Toshikazu Hamamoto ,  Akira Ueki ,  Koji Abe ,  Kazuhiro Miyoshi

IPC: H01M6/16 ,  H01M4/58

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

Abstract: 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).

Abstract translation: 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

Applicant: Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

Inventor： Koji Abe ,  Kazuhiro Miyoshi ,  Takaaki Kuwata

IPC: H01M10/40 ,  H01M6/16

CPC classification number: H01M10/0525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0567 ,  H01M2300/004

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20090170006A1

公开(公告)日：2009-07-02

申请号：US12064181

申请日：2006-08-10

Applicant: Koji Abe ,  Kazuhiro Miyoshi ,  Chisen Hashimoto ,  Masahide Kondo

Inventor： Koji Abe ,  Kazuhiro Miyoshi ,  Chisen Hashimoto ,  Masahide Kondo

IPC: H01M6/16

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

Abstract: 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.

Abstract translation: 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：US20080254367A1

公开(公告)日：2008-10-16

申请号：US11948617

申请日：2007-11-30

Applicant: Toshikazu HAMAMOTO ,  Akira UEKI ,  Koji ABE ,  Kazuhiro MIYOSHI

Inventor： Toshikazu HAMAMOTO ,  Akira UEKI ,  Koji ABE ,  Kazuhiro MIYOSHI

IPC: H01M4/00

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

Abstract: 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).

Abstract translation: 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：US20070178380A1

公开(公告)日：2007-08-02

申请号：US10584266

申请日：2004-12-24

Applicant: Masato Iwanaga ,  Hideyuki Inomata ,  Keisuke Ooga ,  Koji Abe ,  Kazuhiro Miyoshi

Inventor： Masato Iwanaga ,  Hideyuki Inomata ,  Keisuke Ooga ,  Koji Abe ,  Kazuhiro Miyoshi

IPC: H01M4/58 ,  H01M10/40

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0569

Abstract: A nonaqueous electrolyte secondary battery comprising a negative electrode constituted of a carbonaceous material permitting reversible insertion and desorption of lithium, a positive electrode permitting reversible insertion and desorption of lithium, a separator separating these positive electrode and negative electrode from each other and a nonaqueous electrolyte composed of an organic solvent and, dissolved therein, a solute of lithium salt, wherein the nonaqueous electrolyte contains vinylene carbonate and di(2-propynyl) oxalate, these vinylene carbonate and di(2-propynyl) oxalate added in an amount of 0.1 to 3.0% by mass and 0.1 to 2.0% by mass, respectively, based on the mass of the nonaqueous electrolyte. Thus, there can be provided a nonaqueous electrolyte secondary battery wherein a stable SEI surface coating is formed to thereby exhibit a large initial capacity and excel in cycle characteristics at high temperature and wherein any cell swelling is slight.

Abstract translation: 一种非水电解质二次电池，包括由允许锂的可逆插入和解吸的碳质材料构成的负极，允许锂的可逆插入和解吸的正极，将这些正极和负极彼此分离的隔板和构成的非水电解质 的有机溶剂中溶解有锂盐溶质，其中非水电解质含有碳酸亚乙烯酯和草酸二（2-丙炔基）酯，这些碳酸亚乙烯酯和草酸二（2-丙炔基）的添加量为0.1〜3.0 质量％，以质量计0.1〜2.0质量％。 因此，可以提供一种非水电解质二次电池，其中形成稳定的SEI表面涂层，从而表现出大的初始容量，并且在高温下具有优异的循环特性，并且其中任何电池膨胀都很小。

公开(公告)号：USD441012S1

公开(公告)日：2001-04-24

申请号：US29120950

申请日：2000-03-30

Applicant: Manabu Kawahara ,  Yoshihiro Tatara ,  Masahiko Kobayashi ,  Kazuhiro Miyoshi ,  Hiromi Shishiuchi ,  Keisuke Inoue ,  Takeo Kishida

Designer： Manabu Kawahara ,  Yoshihiro Tatara ,  Masahiko Kobayashi ,  Kazuhiro Miyoshi ,  Hiromi Shishiuchi ,  Keisuke Inoue ,  Takeo Kishida

公开(公告)号：US09362595B2

公开(公告)日：2016-06-07

申请号：US14111451

申请日：2012-03-26

Applicant: Koji Abe ,  Kazuhiro Miyoshi ,  Yuichi Kotou

Inventor： Koji Abe ,  Kazuhiro Miyoshi ,  Yuichi Kotou

IPC: H01M10/056 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/0525 ,  H01G11/06 ,  H01G11/60 ,  H01M10/48 ,  H01G11/64

CPC classification number: H01M10/0569 ,  H01G11/06 ,  H01G11/60 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/48 ,  H01M2200/20 ,  H01M2220/20 ,  Y02E60/122 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

Abstract: The present invention is to provide a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, wherein the nonaqueous solvent includes 0.01 to 40% by volume of an ester having two alkyl groups at the α-position carbon of the carbonyl group and being represented by the following general formula (I), and an energy storage device. (in the above formula, R1 is an alkyl group, an alkenyl group or an alkynyl group in which at least one of the hydrogen atoms may be substituted with a halogen atom, R2 and R3 are an alkyl group in which at least one of the hydrogen atoms may be substituted with a halogen atom, and R2 and R3 may be linked to each other to form a ring. However, when R2 and R3 do not form a ring, R3 is an alkyl group in which at least one of the hydrogen atoms may be substituted with a halogen atom.).

Abstract translation: 本发明提供一种通过将电解质盐溶解在非水溶剂中制备的非水电解液，其中非水溶剂包括0.01至40体积％的在羰基的α-位碳上具有两个烷基的酯， 由以下通式（I）表示，以及储能装置。 （在上式中，R 1是其中至少一个氢原子可以被卤素原子取代的烷基，烯基或炔基，R 2和R 3是烷基，其中至少一个 氢原子可以被卤素原子取代，R2和R3可以彼此连接形成环，但是当R2和R3不形成环时，R3是烷基，其中至少一个氢 原子可以被卤素原子取代）。

公开(公告)号：US08673508B2

公开(公告)日：2014-03-18

申请号：US12935691

申请日：2009-03-18

Applicant: Koji Abe ,  Kazuhiro Miyoshi

Inventor： Koji Abe ,  Kazuhiro Miyoshi

IPC: H01M10/056 ,  H01M6/14

CPC classification number: H01M10/0568 ,  H01M10/0569

Abstract: A nonaqueous electrolytic solution for lithium battery comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a carboxylate compound represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution. (In the formula R1 and R2 each independently represent a hydrogen atom, or an alkyl group having from 1 to 6 carbon atoms; R3 represents a hydrogen atom, a methyl group, or a group —CH2CO2CR1R2C≡CH (R1 and R2 have the same meaning as above).) A lithium battery uses the nonaqueous electrolytic solution having excellent cycle property and storage property.

Abstract translation: 用于锂电池的非水电解液包含溶解在非水溶剂中的电解质盐，并且含有由以下通式（I）表示的羧酸盐化合物，其量为非水电解液的0.01至10质量％。 （式中，R 1和R 2各自独立地表示氢原子或碳原子数1〜6的烷基，R 3表示氢原子，甲基或-CH 2 CO 2 CR 1 R 2 C = CH（R 1和R 2相同 如上所述）。锂电池使用具有优异的循环性能和储存性能的非水电解液。