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公开(公告)号：US20230125746A1
公开(公告)日：2023-04-27
申请号：US18088245
申请日：2022-12-23
发明人： Eiji Nakazawa , Taiki Abe
IPC分类号： H01M10/0567 , H01M10/0568
摘要： Provided is a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions. The nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (A) and a compound represented by Formula (α) along with an alkali metal salt and a nonaqueous solvent.
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2.发明授权公开(公告)号：US11296357B2
公开(公告)日：2022-04-05
申请号：US16577050
申请日：2019-09-20
发明人： Eiji Nakazawa , Youichi Oohashi , Atsushi Watarai
IPC分类号： H01M10/0567 , H01M4/587 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0569
摘要： An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics. The present invention 1 is directed to a non-aqueous electrolytic solution for use in a non-aqueous electrolyte secondary battery which comprises: a positive electrode being capable of having occluded therein and releasing metal ions; a negative electrode being capable of having occluded therein and releasing metal ions, and comprising a negative electrode active material containing metal particles capable of forming an alloy together with Li and graphite particles; and a non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, wherein the non-aqueous electrolytic solution contains a compound represented by the general formula (A), and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution.
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公开(公告)号：US20230127105A1
公开(公告)日：2023-04-27
申请号：US17990000
申请日：2022-11-18
发明人： Eiji Nakazawa , Kaho Tamai
IPC分类号： H01M10/0567 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/38 , H01M10/0568 , H01M10/0525 , H01M4/40
摘要： Provided are: a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, which nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (1) along with an alkali metal salt and a nonaqueous solvent.
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公开(公告)号：US11424482B2
公开(公告)日：2022-08-23
申请号：US16460514
申请日：2019-07-02
发明人： Eiji Nakazawa , Yoichi Oohashi , Minoru Kotato , Takamichi Mitsui , Takayuki Aoshima , Takeshi Nakamura
IPC分类号： H01M10/0567 , H01M4/38 , H01M4/587 , H01M10/052 , H01M4/36 , H01M4/583 , H01M10/0525
摘要： Disclosed herein is a nonaqueous electrolyte solution containing an electrolyte and a nonaqueous solvent, the nonaqueous electrolyte solution including a compound represented by formula (A) and: (1) at least one compound selected from a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the formula (B) below, 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 a total amount of the nonaqueous electrolyte solution. In formula (A), R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and in formula (B), R4, R5 and R6 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.
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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：US20220158244A1
公开(公告)日：2022-05-19
申请号：US17591329
申请日：2022-02-02
发明人： Eiji Nakazawa
IPC分类号： H01M10/0567
摘要： Provided is a non-aqueous electrolyte solution which can reduce the amount of gas generation during initial conditioning of a non-aqueous electrolyte battery. This non-aqueous electrolyte solution is for a non-aqueous electrolyte battery which includes a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, and the non-aqueous electrolyte solution is characterized by containing an alkali metal salt, a non-aqueous solvent, at least one Si—O structure-containing compound represented by Formula (A) or (B), and a compound represented by Formula (α).
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公开(公告)号：US20230387464A1
公开(公告)日：2023-11-30
申请号：US18232626
申请日：2023-08-10
发明人： Eiji Nakazawa , Daisuke Kawakami
IPC分类号： H01M10/0567
CPC分类号： H01M10/0567
摘要： A nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode which are capable of absorbing and releasing metal ions, the nonaqueous electrolytic solution comprising an alkali metal salt, a nonaqueous solvent, a compound represented by General Formula (A), and at least one of a specific compound represented by General Formula (α) and a specific compound represented by General Formula (β).
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公开(公告)号：US20190334208A1
公开(公告)日：2019-10-31
申请号：US16460514
申请日：2019-07-02
发明人： Eiji Nakazawa , Yoichi Oohashi , Minoru Kotato , Takamichi Mitsui , Takayuki Aoshima , Takeshi Nakamura
IPC分类号： H01M10/0567 , H01M4/583 , H01M10/052 , H01M4/38 , H01M4/587 , H01M4/36 , H01M10/0525
摘要： Disclosed herein is a nonaqueous electrolyte solution containing an electrolyte and a nonaqueous solvent, the nonaqueous electrolyte solution including a compound represented by formula (A) and: (1) at least one compound selected from a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the formula (B) below, 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 a total amount of the nonaqueous electrolyte solution. In formula (A), R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and in formula (B), R4, R5 and R6 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.
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公开(公告)号：US09947965B2
公开(公告)日：2018-04-17
申请号：US14866009
申请日：2015-09-25
发明人： Eiji Nakazawa , Youichi Oohashi , Minoru Kotato
IPC分类号： H01M4/133 , H01M4/134 , H01M10/0567 , H01M10/052 , H01M4/36 , H01M4/38 , H01M4/40 , H01M4/587 , H01M10/0525 , H01M4/42 , H01M4/46 , H01M4/62 , H01M10/0569 , H01M4/02 , H01M4/485
CPC分类号： H01M10/0567 , H01M4/133 , H01M4/134 , H01M4/364 , H01M4/38 , H01M4/386 , H01M4/387 , H01M4/405 , H01M4/42 , H01M4/463 , H01M4/485 , H01M4/587 , H01M4/622 , H01M10/052 , H01M10/0525 , H01M10/0569 , H01M2004/027 , H01M2300/0025
摘要： The object of the present invention is to provide a nonaqueous electrolyte secondary battery which has excellent balance of general performance with respect to performance including durability, capacity, resistance, and output characteristics. Provided is a nonaqueous electrolyte battery comprising a positive electrode and a negative electrode each being capable of occluding and releasing metal ions, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains an electrolyte, a nonaqueous solvent, and at least one compound selected from the group consisting of a compound having a fluorosulfonyl structure (—SO2F), a difluorophosphate, and an isocyanate compound, and wherein the negative electrode has a negative electrode active material containing metal particles capable of alloying with Li and graphite particles.
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10.发明授权公开(公告)号：US10424812B2
公开(公告)日：2019-09-24
申请号：US15471625
申请日：2017-03-28
发明人： Eiji Nakazawa , Shuhei Sawa
IPC分类号： H01M10/0567 , H01M4/587 , H01M4/38 , H01M10/0525 , H01M4/505 , H01M4/525 , H01M10/0569 , H01M4/133 , H01M4/134
摘要： An object of the present invention is to provide a non-aqueous electrolytic solution which can improve a non-aqueous electrolyte secondary battery in high-temperature storage characteristics and load characteristics, and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution. The present invention is directed to a non-aqueous electrolytic solution for use in a non-aqueous electrolyte secondary battery which comprises a positive electrode and a negative electrode each being capable of having occluded therein and releasing metal ions, wherein the non-aqueous electrolytic solution contains an electrolyte, a non-aqueous solvent, and a compound represented by the following general formula (A): wherein each of R1, R2, and Y represents a hydrocarbon group having 1 to 12 carbon atoms and optionally having a substituent, and X represents a hydrogen or fluorine atom, wherein R1, R2, and Y are the same or different.
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