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公开(公告)号：US11942601B2
公开(公告)日：2024-03-26
申请号：US17839681
申请日：2022-06-14
发明人： Eiji Nakazawa , Yoichi Oohashi , Minoru Kotato , Takamichi Mitsui , Takayuki Aoshima , Takeshi Nakamura
IPC分类号： H01M10/0567 , H01M4/36 , H01M4/38 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525
CPC分类号： H01M10/0567 , H01M4/364 , H01M4/386 , H01M4/387 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525 , H01M2220/30 , H01M2300/0025
摘要： A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution.
(In formula (A), R1 to R3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.)
(In formula (B), R4, R5 and R6 respectively and independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.-
公开(公告)号：US11367899B2
公开(公告)日：2022-06-21
申请号：US16561149
申请日：2019-09-05
IPC分类号： H01M10/0567 , H01M4/133 , H01M4/134 , H01M4/587 , H01M10/0525 , H01M10/0569 , H01M10/052 , H01M10/056
摘要： An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
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3.发明授权公开(公告)号：US11205802B2
公开(公告)日：2021-12-21
申请号：US16590623
申请日：2019-10-02
发明人： Shuhei Sawa , Minoru Kotato , Kunihisa Shima , Yasuyuki Shigematsu , Masamichi Onuki , Kanako Takiguchi
IPC分类号： H01M10/0567 , H01M4/587 , H01M10/0525 , H01M10/42 , H01M10/0568 , H01M10/0569
摘要： Disclosed herein is a non-aqueous electrolyte solution containing, in addition to an electrolyte and a non-aqueous solvent, (A) a compound having at least two isocyanate groups per molecule, and (B) LiN(FSO2)2.
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公开(公告)号：US10468720B2
公开(公告)日：2019-11-05
申请号：US14849119
申请日：2015-09-09
IPC分类号： H01M10/0567 , H01M4/133 , H01M4/134 , H01M4/587 , H01M10/0525 , H01M10/0569 , H01M10/052 , H01M10/056
摘要： An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
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5.发明申请公开(公告)号：US20150364794A1
公开(公告)日：2015-12-17
申请号：US14835815
申请日：2015-08-26
发明人： Eiji NAKAZAWA , Yoichi Oohashi , Minoru Kotato , Takamichi Mitsui , Takayuki Aoshima , Takeshi Nakamura
IPC分类号： H01M10/0567 , H01M10/0525 , H01M4/36 , H01M4/583 , H01M4/38
CPC分类号： H01M10/0567 , H01M4/364 , H01M4/386 , H01M4/387 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525 , H01M2220/30 , H01M2300/0025
摘要： A nonaqueous electrolyte solution for a secondary battery that inhibits increases in resistance during high-temperature storage in a charged state and decreases in capacity, as well as a secondary battery that uses this lithium nonaqueous electrolyte solution. A lithium nonaqueous electrolyte secondary battery that incorporates this non-aqeuous electrolyte solution and that demonstrates a favorable overall balance of battery performance with respect to performance such as durability, capacity, resistance and output characteristics.
摘要翻译： 一种用于二次电池的非水电解液，其抑制在充电状态下的高温保存期间的电阻增加，并且容量下降，以及使用该锂非水电解质溶液的二次电池。 该非水电解质二次电池结合了这种非电解电解质溶液，并且在耐久性，容量，电阻和输出特性等性能方面表现出良好的电池性能整体平衡。
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公开(公告)号：US20210066707A1
公开(公告)日：2021-03-04
申请号：US17017862
申请日：2020-09-11
发明人： Hidekazu MIYAGI , Ryoichi Kato , Masakazu Yokomizo , Hiroyuki Uono , Hitoshi Matsumoto , Tomohiro Satou , Minoru Kotato , Takayuki Nakajima , Hitoshi Suzuki , Hiroyuki Oshima
IPC分类号： H01M4/131 , H01M4/587 , H01M4/133 , H01M10/0567 , H01M10/0568 , H01M10/0569 , B60L50/64 , H01M10/052 , H01M10/613 , H01M10/625 , H01M2/02 , H01M2/08 , H01M2/16 , H01M4/505 , H01M4/583 , H01M10/0525 , H01M4/04 , H01M4/1391 , H01M4/1393 , H01M4/485 , H01M4/525
摘要： A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output. [In general formula (1), R1 and R2 are an organic group having 1-12 carbon atoms and n is an integer of 3-10. In general formula (2), R3 to R5 are an organic group having 1-12 carbon atoms; x is an integer of 1-3; and p, q, and r each are an integer of 0-3, provided that 1≤p+q+r≤3. In general formula (3), R6 to R8 are an organic group having 1-12 carbon atoms and symbol A is a group constituted of H, C, N, O, F, S, Si, and/or P.]
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7.发明授权公开(公告)号：US09923238B2
公开(公告)日：2018-03-20
申请号：US13964195
申请日：2013-08-12
发明人： Shuhei Sawa , Minoru Kotato , Kunihisa Shima , Yasuyuki Shigematsu , Masamichi Onuki , Kanako Takiguchi
IPC分类号： H01M10/0567 , H01M4/587 , H01M10/0525 , H01M10/42 , H01M10/0568 , H01M10/0569
CPC分类号： H01M10/0567 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M10/4235 , H01M2300/0025
摘要： An object is to provide a non-aqueous electrolyte solution that can improve the capacity deterioration and gas generation associated with the high-temperature storage of non-aqueous electrolyte batteries. A further object is to provide a non-aqueous electrolyte battery that uses this non-aqueous electrolyte solution. These objects can be achieved by using a non-aqueous electrolyte solution that incorporates, in prescribed contents, (A) a compound having at least two isocyanate groups per molecule and a compound having at least two cyano groups per molecule.
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8.发明申请公开(公告)号：US20160164143A1
公开(公告)日：2016-06-09
申请号：US14991185
申请日：2016-01-08
发明人： Shuhei Sawa , Minoru Kotato , Kunihisa Shima , Yasuyuki Shigematsu , Masamichi Onuki , Kanako Takiguchi
IPC分类号： H01M10/0567 , H01M10/42 , H01M10/0525
CPC分类号： H01M10/0567 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M10/4235 , H01M2300/0025
摘要： An object is to provide a non-aqueous electrolyte solution that can improve the capacity deterioration and gas generation associated with the high-temperature storage of non-aqueous electrolyte batteries. A further object is to provide a non-aqueous electrolyte battery that uses this non-aqueous electrolyte solution. These objects can be achieved by using a non-aqueous electrolyte solution that incorporates, in prescribed contents, (A) a compound having at least two isocyanate groups per molecule and a compound having at least two cyano groups per molecule.
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9.发明申请公开(公告)号：US20150024284A1
公开(公告)日：2015-01-22
申请号：US14502343
申请日：2014-09-30
发明人： Kanako TAKIGUCHI , Masamichi Onuki , Minoru Kotato , Ryo Yamaguchi , Takeshi Nakamura , Takayuki Aoshima
IPC分类号： H01M10/0567 , C07C69/96 , H01M10/0525
CPC分类号： H01M10/0567 , C07C69/96 , H01M10/0525 , H01M2300/0025 , H01M2300/0028 , H01M2300/0034
摘要： The present invention is to provide: a nonaqueous-electrolyte battery excellent in terms of safety during overcharge and high-temperature storability; and a nonaqueous electrolytic solution which gives the battery. The present invention relates to a nonaqueous electrolytic solution comprising an electrolyte and a nonaqueous solvent, wherein the nonaqueous electrolytic solution comprises at least one of specific compounds.
摘要翻译： 本发明提供：在过充电和高温保存性方面的安全性优异的非水电解质电池; 和提供电池的非水电解液。 本发明涉及包含电解质和非水溶剂的非水电解液，其中所述非水电解液包含至少一种特定化合物。
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公开(公告)号：US20130071730A1
公开(公告)日：2013-03-21
申请号：US13673670
申请日：2012-11-09
发明人： Hiroyuki Tokuda , Koji Fukamizu , Minoru Kotato , Tooru Fuse , Akemi Hosokawa , Shuhei Sawa , Youichi Ohashi
IPC分类号： H01M10/056
CPC分类号： H01M10/056 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M2300/0025
摘要： Provided is a nonaqueous electrolyte secondary battery having improved durability properties in terms of cycling, storage and the like. The nonaqueous electrolyte secondary battery comprises a nonaqueous electrolyte solution that contains a lithium salt and a nonaqueous solvent that dissolves the lithium salt, a negative electrode capable of absorbing and releasing lithium ions, and a positive electrode. The negative electrode contains a negative electrode active material made up of graphite particles having a rhombohedral rate ranging from 0% to 35%, and the nonaqueous electrolyte solution contains a compound represented by formula (1). As a result, a nonaqueous electrolyte secondary battery that achieves the above object is provided.
摘要翻译： 提供一种在循环，保存等方面具有改善的耐久性的非水电解质二次电池。 非水电解质二次电池包括含有锂盐和溶解锂盐的非水溶剂的非水电解质溶液，能够吸收和释放锂离子的负极和正极。 负极含有由菱形比率为0〜35％的石墨粒子构成的负极活性物质，非水电解液含有式（1）表示的化合物。 结果，提供了实现上述目的的非水电解质二次电池。
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