公开(公告)号：US20230102163A1

公开(公告)日：2023-03-30

申请号：US17950036

申请日：2022-09-21

Applicant: DAIKIN INDUSTRIES, LTD

Inventor： Shigeaki YAMAZAKI ,  Hiroyuki ARIMA ,  Kenzou TAKAHASHI

IPC: H01M10/0569 ,  C07C69/63 ,  C07C69/96 ,  C07D317/38 ,  H01G11/60 ,  H01M10/0525

Abstract: 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：US20190288339A1

公开(公告)日：2019-09-19

申请号：US16319135

申请日：2017-06-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hideo SAKATA ,  Kenzou TAKAHASHI ,  Hiroyuki ARIMA ,  Shigeaki YAMAZAKI ,  Shinichi KINOSHITA

IPC: H01M10/0568 ,  H01M10/0569 ,  H01M10/0567 ,  H01M10/0525 ,  H01G11/60 ,  H01G11/62 ,  H01G11/64

Abstract: An electrolyte solution for an electrochemical device, such as a lithium secondary battery, or module. The electrolyte solution contains: a solvent that contains a fluorinated acyclic carbonate having a fluorine content of 33 to 70 mass %; at least one organosilicon compound selected from a compound represented by the formula (1): (R11)n11—M11—O—SiR12R13R14 and a compound represented by the formula (2): R21R22R23—Si—F; a lithium salt (3) that contains an oxalato-complex as an anion; and a lithium salt (4) represented by the formula (4): LizM31FxOy, where R11, M11, R12, R13, R14, R21, R22, R23 and M31 are as defined herein.

公开(公告)号：US20170104240A1

公开(公告)日：2017-04-13

申请号：US15127849

申请日：2015-03-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hiroyuki ARIMA ,  Hideo SAKATA ,  Shigeaki YAMAZAKI ,  Shinichi KINOSHITA

IPC: H01M10/0569 ,  H01M10/0525 ,  H01G11/64 ,  H01G11/62 ,  H01G11/60

CPC classification number: H01M10/0569 ,  H01G11/60 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2300/0034 ,  H01M2300/0037 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

Abstract: The present invention provides an electrolyte solution that is capable of dealing with an increased voltage of an electrochemical device, as well as capable of improving the high-temperature storage characteristics and cycle characteristics of the electrochemical device, and an electrochemical device. The electrolyte solution includes a solvent containing a fluorinated saturated cyclic carbonate and a fluorinated acyclic carbonate; at least one sulfur-containing compound selected from the group consisting of compounds having a —SO2— bond, compounds having a —SO3— bond, and compounds having a —SO4— bond, and an electrolyte salt. The fluorinated acyclic carbonate has a fluorine content of 31.0 to 70.0 mass %.

公开(公告)号：US20200066463A1

公开(公告)日：2020-02-27

申请号：US16500499

申请日：2018-03-01

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Masakazu KINOSHITA ,  Kenzou TAKAHASHI ,  Shigeaki YAMAZAKI ,  Hiroyuki ARIMA

IPC: H01G11/64 ,  H01G9/035 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2/10

Abstract: 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.

公开(公告)号：US20160351957A1

公开(公告)日：2016-12-01

申请号：US15117509

申请日：2015-03-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mayuko TAEDA ,  Shigeaki YAMAZAKI ,  Hiroyuki ARIMA ,  Toshirou MIURA ,  Tomo SHIMADA ,  Shinichi KINOSHITA

IPC: H01M10/0565 ,  H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0565 ,  H01G11/60 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0034 ,  H01M2300/0037 ,  H01M2300/004 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

Abstract: 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.

Abstract translation: 本发明提供一种不太可能产生气体并具有优异的高温储存特性的二次电池用电解液。 使用电解质溶液的电化学装置; 和使用电化学装置的模块。 电解质溶液含有溶剂和电解质盐，所述溶剂含有式（1）表示的含氟无环碳酸酯和式（2）表示的含氟马来酸酐。 电解质溶液含有不少于0.001质量％但小于90体积％的含氟无环碳酸酯，电解质溶液含有0.001〜20质量％的含氟马来酸酐。

公开(公告)号：US20200243911A1

公开(公告)日：2020-07-30

申请号：US16636700

申请日：2018-07-31

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshiko KUWAJIMA ,  Kenzou TAKAHASHI ,  Shigeaki YAMAZAKI ,  Hiroyuki ARIMA ,  Tomoya HIDAKA ,  Masakazu KINOSHITA ,  Hisako NAKAMURA ,  Takaya YAMADA ,  Toshiharu SHIMOOKA ,  Yuuki SUZUKI ,  Tatsuya OHTSUKA

IPC: H01M10/0569 ,  H01M10/0525

Abstract: 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.

公开(公告)号：US20200028214A1

公开(公告)日：2020-01-23

申请号：US16497559

申请日：2018-01-26

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shigeaki YAMAZAKI ,  Hiroyuki ARIMA ,  Kenzou TAKAHASHI

IPC: H01M10/0569 ,  H01M10/0525 ,  C07D317/38 ,  C07C69/96 ,  C07C69/63 ,  H01G11/60

Abstract: 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.

公开(公告)号：US20190123386A1

公开(公告)日：2019-04-25

申请号：US16092634

申请日：2017-04-05

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kenzou TAKAHASHI ,  Shinichi KINOSHITA ,  Hideo SAKATA ,  Shigeaki YAMAZAKI ,  Hiroyuki ARIMA

IPC: H01M10/0567 ,  H01G11/62 ,  H01G11/60 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/505

Abstract: 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.

公开(公告)号：US20180294515A1

公开(公告)日：2018-10-11

申请号：US15768137

申请日：2016-10-14

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tomoya HIDAKA ,  Hideo SAKATA ,  Kenzou TAKAHASHI ,  Hiroyuki ARIMA ,  Shigeaki YAMAZAKI ,  Yoshiko KUWAJIMA ,  Shinichi KINOSHITA

IPC: H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/38 ,  H01M4/62 ,  H01M4/66

Abstract: 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.

公开(公告)号：US20160315354A1

公开(公告)日：2016-10-27

申请号：US15103906

申请日：2014-12-15

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Michiaki OKADA ,  Akinori TANI ,  Shinichi KINOSHITA ,  Hiroyuki ARIMA ,  Tomo SHIMADA ,  Mayuko TAEDA

IPC: H01M10/42 ,  H01M10/0569 ,  H01M10/0567 ,  H01M4/131 ,  H01M4/505 ,  H01M10/44 ,  H01M4/62 ,  H01M4/66 ,  H01M4/133 ,  H01M4/587 ,  H01M2/16 ,  H01M10/0525 ,  H01M4/525

CPC classification number: H01M10/4235 ,  H01M2/1653 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/446 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/30 ,  H01M2300/0025 ,  H01M2300/0034 ,  H01M2300/004 ,  H01M2300/0042

Abstract: The present invention aims to provide an electrolyte solution that suppresses generation of gas. The electrolyte solution of the present invention includes a non-aqueous solvent (I) containing one or both of a fluorinated cyclic carbonate and a fluorinated acyclic carbonate; an electrolyte salt (II); and a compound (III) represented by the following formula (1): wherein R1 is a C1-C20 linear or branched alkenyl or alkyl group or a C3-C20 alkyl group having a cyclic structure; m is 0 or 1; R2 is a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, R1 and R2 each may have an oxygen atom between carbon atoms if R1 and R2 each have two or more carbon atoms, but the oxygen atom is not adjacent to another oxygen atom.

Abstract translation: 其中R1是C1-C20直链或支链的烯基或烷基或具有环状结构的C 3 -C 20烷基; m为0或1; R2是具有环状结构的C1-C20直链或支链亚烷基或C3-C20亚烷基，如果R1和R2各自具有两个或更多个碳原子，则R 1和R 2可以在碳原子之间具有氧原子，但是氧 原子不与另一个氧原子相邻。