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公开(公告)号：US11043698B2
公开(公告)日：2021-06-22
申请号：US16470611
申请日：2017-11-01
发明人： Shigeaki Yamazaki , Kenzou Takahashi , Hiroyuki Arima , Hideo Sakata , Masakazu Kinoshita , Shinichi Kinoshita
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0569 , C07F9/28 , C07D317/38 , C07C317/04
摘要： An electrolyte solution whose residual capacity is less likely to decrease and whose percentage increase in resistance is less likely to change even after stored at high temperature. The electrolyte solution contains a compound (1) represented by the following formula (1): R11CFX11(CH2)n11COOR12 wherein R11 is H, F, a C1-C3 non-fluorinated alkyl group, or a C1-C3 fluorinated alkyl group; X11 is H or F; R12 is a C1-C3 non-fluorinated alkyl group or a C1-C3 fluorinated alkyl group; and n11 is an integer of 0 to 3; a fluorinated carbonate; and a specific additive.
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公开(公告)号：US10756384B2
公开(公告)日：2020-08-25
申请号：US15768137
申请日：2016-10-14
发明人： Tomoya Hidaka , Hideo Sakata , Kenzou Takahashi , Hiroyuki Arima , Shigeaki Yamazaki , Yoshiko Kuwajima , Shinichi Kinoshita
IPC分类号： H01M10/0525 , H01M10/0568 , H01M10/0569 , C07C31/36 , C07F5/04 , C07C43/12 , H01G11/64 , C07C255/46 , C07C69/96 , C07C31/42 , H01G9/20 , C07F9/09 , H01G11/62 , C07C255/04 , H01M10/0567 , C07C305/04 , H01M4/38 , H01M4/62 , H01M4/66 , H01M4/02
摘要： The present invention provides an electrolytic solution capable of providing an electrochemical device (e.g., a lithium ion secondary battery) or a module that is less likely to generate gas even in high-temperature storage and has high capacity retention even after high-temperature storage. The present invention relates to an electrolytic solution which may contain a compound represented by Y21R21C—CY22R22 wherein R21 and R22 may be the same as or different from each other, and are each H, an alkyl group, or a halogenated alkyl group; Y21 and Y22 may be the same as or different from each other, and are each —OR23 or a halogen atom; and R23 is H, an alkyl group, or a halogenated alkyl group.
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公开(公告)号：US10256506B2
公开(公告)日：2019-04-09
申请号：US15117509
申请日：2015-03-16
发明人： Mayuko Taeda , Shigeaki Yamazaki , Hiroyuki Arima , Toshirou Miura , Tomo Shimada , Shinichi Kinoshita
IPC分类号： H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M10/0525 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/0562 , H01M10/0565
摘要： Provided is an electrolyte solution for secondary batteries that are less likely to generate gas and excellent in high-temperature storage characteristics; an electrochemical device using the electrolyte solution; and a module using the electrochemical device. The electrolyte solution contains a solvent and an electrolyte salt, the solvent containing a fluorine-containing acyclic carbonate represented by the formula (1) and a fluorine-containing maleic anhydride represented by the formula (2). The electrolyte solution contains not less than 0.001 mass % but less than 90 vol % of the fluorine-containing acyclic carbonate, and the electrolyte solution contains 0.001 to 20 mass % of the fluorine-containing maleic anhydride.
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公开(公告)号：US11605509B2
公开(公告)日：2023-03-14
申请号：US16500499
申请日：2018-03-01
IPC分类号： H01G11/64 , H01G9/035 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M50/20 , H01G11/06
摘要： An electrolyte solution containing a solvent and a compound represented by the following formula (1), wherein R1 is a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the electrochemical device or lithium ion secondary battery.
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公开(公告)号：US10297865B2
公开(公告)日：2019-05-21
申请号：US15124761
申请日：2015-03-24
IPC分类号： H01M10/0569 , H01M10/0567 , H01M10/0525 , H01G11/06 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/052 , H01M10/0568 , H01G11/52 , H01M10/42 , H01M10/056
摘要： The present invention provides an electrolyte solution that is capable of dealing with an increased voltage of an electrochemical device, improving the high-temperature storage characteristics, and restraining an increase in resistance, and an electrochemical device. The electrolyte solution includes a solvent containing a fluorinated acyclic carbonate having a fluorine content of 33 to 70 mass %, a borate, and an electrolyte salt other than the borate.
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公开(公告)号：US09755277B2
公开(公告)日：2017-09-05
申请号：US15122812
申请日：2015-03-16
发明人： Mayuko Taeda , Shigeaki Yamazaki , Hiroyuki Arima , Yoshiko Kuwajima , Toshirou Miura , Shinichi Kinoshita , Tomo Shimada
IPC分类号： H01G11/06 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/0568 , H01M10/0569 , H01M10/0525 , H01M10/0567 , H01M10/052
CPC分类号： H01M10/0569 , H01G11/06 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/052 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M2300/0034 , H01M2300/0037 , Y02E60/13
摘要： Provided is an electrolyte solution for secondary batteries that are less likely to generate gas and excellent in high-temperature storage characteristics; an electrochemical device using the electrolyte solution; and a module using the electrochemical device. The electrolyte solution contains a solvent and an electrolyte salt, the solvent containing a fluorine-containing acyclic carbonate represented by the formula (1) and a fluorine-containing succinic anhydride represented by the formula (2). The electrolyte solution contains not less than 0.001 mass % but less than 90 vol % of the fluorine-containing acyclic carbonate, and the electrolyte solution contains 0.001 to 20 mass % of the fluorine-containing succinic anhydride.
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公开(公告)号：US11929461B2
公开(公告)日：2024-03-12
申请号：US16092634
申请日：2017-04-05
IPC分类号： H01M10/0567 , H01G9/20 , H01G11/60 , H01G11/62 , H01G11/64 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0569
CPC分类号： H01M10/0567 , H01G11/60 , H01G11/62 , H01G11/64 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0569 , H01G9/20 , H01M2300/0025 , Y02E60/10 , Y02E60/13 , Y02T10/70
摘要： The present invention provides an electrolytic solution capable of providing an electrochemical device, such as a lithium ion secondary battery, or a module that has excellent high-temperature storage performance. The electrolytic solution contains: a homocyclic compound other than aromatic compounds; and a cyclic dicarbonyl compound. The homocyclic compound contains at least one group selected from the group consisting of a nitrile group and an isocyanate group.
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公开(公告)号：US11888122B2
公开(公告)日：2024-01-30
申请号：US17950036
申请日：2022-09-21
IPC分类号： H01M10/0569 , C07C69/63 , C07C69/96 , C07D317/38 , H01G11/60 , H01M10/0525
CPC分类号： H01M10/0569 , C07C69/63 , C07C69/96 , C07D317/38 , H01G11/60 , H01M10/0525 , H01M2300/0037
摘要： An electrolyte solution including a solvent, the solvent containing a compound (1a) represented by the following formula (1a); and
a compound (2) represented by the following formula (2):
wherein Re is a C1-C5 linear or branched alkyl group optionally containing an ether bond; Rf is a C1-C5 linear or branched alkyl group optionally containing an ether bond; and at least one of Re or Rf contains a fluorine atom. Also disclosed is an electrochemical device including the electrolyte solution, a lithium-ion secondary battery including the electrolyte solution, and a module including the electrochemical device or the lithium-ion secondary battery.-
公开(公告)号：US11611106B2
公开(公告)日：2023-03-21
申请号：US16636700
申请日：2018-07-31
发明人： Yoshiko Kuwajima , Kenzou Takahashi , Shigeaki Yamazaki , Hiroyuki Arima , Tomoya Hidaka , Masakazu Kinoshita , Hisako Nakamura , Takaya Yamada , Toshiharu Shimooka , Yuuki Suzuki , Tatsuya Ohtsuka
IPC分类号： H01M10/0569 , H01M10/0525
摘要： The invention provides an electrolyte solution capable of providing an electrochemical device having low resistance and excellent high-temperature storage characteristics and cycle characteristics. The electrolyte solution contains lithium fluorosulfonate and a solvent containing a compound (1) represented by the following formula (1): CF2HCOOCH3.
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公开(公告)号：US11489204B2
公开(公告)日：2022-11-01
申请号：US16497559
申请日：2018-01-26
IPC分类号： H01M10/0569 , C07C69/63 , C07C69/96 , C07D317/38 , H01G11/60 , H01M10/0525
摘要： An electrolyte solution containing a solvent. The solvent contains a compound (1) represented by the following formula (1), wherein Ra, Rb, Rc, and Rd are the same as or different from each other, and are each —H, —F, —CH3, or —CF3; at least one of Ra, Rb, Rc, or Rd is —F or —CF3; and at least one of Ra, Rb, Rc, or Rd is —CH3, and a compound (2) represented by the following formula (2), wherein Re is a C1-C5 linear or branched alkyl or alkoxy group optionally containing an ether bond; Rf is a C1-C5 linear or branched alkyl group optionally containing an ether bond; and at least one of Re or Rf contains a fluorine atom. Also disclosed is an electrochemical device including the electrolyte solution, a lithium-ion secondary battery including the electrolyte solution and a module including the electrochemical device.
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