公开(公告)号：US20240372104A1

公开(公告)日：2024-11-07

申请号：US18773880

申请日：2024-07-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuma ICHINOSE ,  Junpei Terada ,  Shigeaki Yamazaki ,  Toshiharu Shimooka ,  Chihiro Hosoda ,  Takahiro Furutani

IPC: H01M4/62 ,  C08F214/22 ,  C08K3/04 ,  C08L27/16 ,  H01M4/02 ,  H01M4/131

Abstract: Provided is a composition for an electrochemical device, comprising a nanocarbon material, a binder, and a solvent, wherein the nanocarbon material is at least one selected from the group consisting of a multi-walled carbon nanotube, a carbon nanohorn, a carbon nanofiber, a fullerene, and a graphene, and the binder comprises a fluorine-containing copolymer comprising a repeating unit (a) based on vinylidene fluoride and at least one repeating unit (b) selected from the group consisting of a repeating unit (b1) and a repeating unit (b2).

公开(公告)号：US11929461B2

公开(公告)日：2024-03-12

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 ,  H01G9/20 ,  H01G11/60 ,  H01G11/62 ,  H01G11/64 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: 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

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：US11888122B2

公开(公告)日：2024-01-30

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

CPC classification number: H01M10/0569 ,  C07C69/63 ,  C07C69/96 ,  C07D317/38 ,  H01G11/60 ,  H01M10/0525 ,  H01M2300/0037

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：US20230387465A1

公开(公告)日：2023-11-30

申请号：US18446802

申请日：2023-08-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tomoya HIDAKA ,  Yoshiko Kuwajima ,  Toshiharu Shimooka ,  Shigeaki Yamazaki

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2300/0034

Abstract: A compound and composition each capable of allowing an electrochemical device to have improved cycle characteristics, low resistance, and reduced gas generation. Also disclosed is an electrochemical device, a lithium-ion secondary battery, and a module each including the composition as an electrolytic solution. More particularly, the disclosure relates to an electrolytic solution containing a compound represented by the following formula (1):


Rf1—O—Rf2  (1)

wherein Rf1 and Rf2 are the same as or different from each other and are each a C2-C4 fluorinated alkenyl group.

公开(公告)号：US11664534B2

公开(公告)日：2023-05-30

申请号：US16765198

申请日：2018-10-04

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hisako Nakamura ,  Takaya Yamada ,  Shigeaki Yamazaki ,  Yuuki Suzuki ,  Kenzou Takahashi ,  Akiyoshi Yamauchi ,  Kotaro Hayashi

IPC: H01M10/0567 ,  H01M10/0525 ,  H01G11/64 ,  C07C69/003 ,  C07D317/38 ,  H01G11/62

CPC classification number: H01M10/0567 ,  C07C69/003 ,  C07D317/38 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0525 ,  H01M2300/004

Abstract: An electrolyte solution containing a compound represented by the following formula (1):




wherein R101 and R102 are the same as or different from each other and are each a hydrogen atom, a fluorine atom, or an alkyl group optionally containing a fluorine atom; and R103 is an alkyl group or an organic group containing an unsaturated carbon-carbon bond. Also disclosed is an electrochemical device and 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：US12183887B2

公开(公告)日：2024-12-31

申请号：US17054801

申请日：2019-04-12

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tomoya Hidaka ,  Masakazu Kinoshita ,  Yoshiko Kuwajima ,  Takaya Yamada ,  Shigeaki Yamazaki ,  Yuuki Suzuki ,  Kenzou Takahashi

IPC: H01M10/0568 ,  H01G11/64 ,  H01M10/0525 ,  H01G11/34 ,  H01G11/62

Abstract: An electrolyte solution containing at least one compound (1) selected from a compound represented by the following formula (1-1) and a compound represented by the following formula (1-2), the formula (1-1) being: wherein R111 to R113 are each individually a C1-C4 linear alkyl group, the formula (1-2) being: wherein R121 to R123 are each individually a C1-C4 linear alkyl group.

公开(公告)号：US11916195B2

公开(公告)日：2024-02-27

申请号：US17041721

申请日：2019-03-11

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Masakazu Kinoshita ,  Tomoya Hidaka ,  Toshiharu Shimooka ,  Shigeaki Yamazaki ,  Hisako Nakamura ,  Takaya Yamada ,  Yuuki Suzuki ,  Yoshiko Kuwajima ,  Kenzou Takahashi ,  Akiyoshi Yamauchi ,  Kotaro Hayashi

IPC: H01M10/0567 ,  H01G11/64 ,  H01M10/0525 ,  H01G11/62

CPC classification number: H01M10/0567 ,  H01G11/64 ,  H01M10/0525 ,  H01G11/62 ,  H01M2300/0037

Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):

公开(公告)号：US11626618B2

公开(公告)日：2023-04-11

申请号：US16641396

申请日：2018-07-12

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hisako Nakamura ,  Shigeaki Yamazaki ,  Kenzou Takahashi ,  Yuuki Suzuki ,  Akiyoshi Yamauchi ,  Kotaro Hayashi

IPC: H01M10/0567 ,  C07D233/58 ,  C07F5/04 ,  H01M10/0525

Abstract: An electrolyte solution for a lithium ion secondary battery, containing a compound (1) represented by the following formula (1): wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10−6 to 1.0×103 ppm. Also disclosed is an electrolyte solution for a lithium ion secondary battery, containing an imidazolium cation (1-1) represented by the following formula (1-1), a bis(oxalato)borate anion, and a hexafluorophosphate anion, the formula (1-1) being: wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10−6 to 1.0×103 ppm.

公开(公告)号：US11611106B2

公开(公告)日：2023-03-21

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：US11489204B2

公开(公告)日：2022-11-01

申请号：US16497559

申请日：2018-01-26

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 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.