Patents by Inventor Hiroyuki Arima

Hiroyuki Arima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11201353
    Abstract: An electrolyte solution applicable to high-voltage electrochemical devices and capable of improving the cycle characteristics of electrochemical devices even at high voltage, and an electrochemical device. The electrolyte solution contains a fluorinated diether and a metal salt having a specific structure. The fluorinated diether is represented by CFR11R12—O—CH2CH2—O—R13, wherein R11 and R12 are each individually H, CH3, F, CH2F, CHF2, or CF3; and R13 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: December 14, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Kenzou Takahashi, Hideo Sakata, Shigeaki Yamazaki, Hiroyuki Arima, Shinichi Kinoshita
  • Patent number: 11171360
    Abstract: An electrolyte solution applicable to high-voltage electrochemical devices and capable of improving the cycle characteristics of electrochemical devices even at high voltage, and an electrochemical device. The electrolyte solution contains a fluorinated diether and a metal salt having a specific structure. The fluorinated diether is represented by CFR11R12—O—CH2CH2—O—R13, wherein R11 and R12 are each individually H, CH3, F, CH2F, CHF2, or CF3; and R13 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: November 9, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Kenzou Takahashi, Hideo Sakata, Shigeaki Yamazaki, Hiroyuki Arima, Shinichi Kinoshita
  • Patent number: 11043698
    Abstract: 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.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: June 22, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki Yamazaki, Kenzou Takahashi, Hiroyuki Arima, Hideo Sakata, Masakazu Kinoshita, Shinichi Kinoshita
  • Patent number: 10978742
    Abstract: An electrolyte solution applicable to high-voltage electrochemical devices and capable of improving the cycle characteristics of electrochemical devices even at high voltage. The electrolyte solution contains a fluorinated acyclic carbonate and a metal salt having a specific structure. The fluorinated acyclic carbonate is represented by CF3—OCOO—R11 (wherein R11 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group) or CFH2—OCOO—R12 (wherein R12 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group).
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: April 13, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Kenzou Takahashi, Hideo Sakata, Shigeaki Yamazaki, Hiroyuki Arima, Shinichi Kinoshita
  • Patent number: 10756384
    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.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: August 25, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Hideo Sakata, Kenzou Takahashi, Hiroyuki Arima, Shigeaki Yamazaki, Yoshiko Kuwajima, Shinichi Kinoshita
  • Publication number: 20200262709
    Abstract: A method for producing lithium fluorosulfonate which includes reacting XSO3H, wherein X is a leaving group other than fluorine, with a lithium source and a fluorine source. Also disclosed is a composition containing XSO3H.
    Type: Application
    Filed: September 18, 2018
    Publication date: August 20, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki SUZUKI, Akiyoshi YAMAUCHI, Kotaro HAYASHI, Yoshihiro YAMAMOTO, Yosuke KISHIKAWA, Tatsuya OHTSUKA, Atsushi MARUO, Hiroyuki ARIMA
  • Publication number: 20200243911
    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.
    Type: Application
    Filed: July 31, 2018
    Publication date: July 30, 2020
    Applicant: DAIKIN INDUSTRIES, LTD
    Inventors: Yoshiko KUWAJIMA, Kenzou TAKAHASHI, Shigeaki YAMAZAKI, Hiroyuki ARIMA, Tomoya HIDAKA, Masakazu KINOSHITA, Hisako NAKAMURA, Takaya YAMADA, Toshiharu SHIMOOKA, Yuuki SUZUKI, Tatsuya OHTSUKA
  • Publication number: 20200066463
    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.
    Type: Application
    Filed: March 1, 2018
    Publication date: February 27, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu KINOSHITA, Kenzou TAKAHASHI, Shigeaki YAMAZAKI, Hiroyuki ARIMA
  • Publication number: 20200028214
    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.
    Type: Application
    Filed: January 26, 2018
    Publication date: January 23, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki YAMAZAKI, Hiroyuki ARIMA, Kenzou TAKAHASHI
  • Publication number: 20200020982
    Abstract: 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.
    Type: Application
    Filed: November 1, 2017
    Publication date: January 16, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki YAMAZAKI, Kenzou TAKAHASHI, Hiroyuki ARIMA, Hideo SAKATA, Masakazu KINOSHITA, Shinichi KINOSHITA
  • Publication number: 20190326644
    Abstract: An electrolyte solution applicable to high-voltage electrochemical devices and capable of improving the cycle characteristics of electrochemical devices even at high voltage. The electrolyte solution contains a fluorinated acyclic carbonate and a metal salt having a specific structure. The fluorinated acyclic carbonate is represented by CF3—OCOO—R11 (wherein R11 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group) or CFH2—OCOO—R12 (wherein R12 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group).
    Type: Application
    Filed: November 21, 2017
    Publication date: October 24, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu KINOSHITA, Kenzou TAKAHASHI, Hideo SAKATA, Shigeaki YAMAZAKI, Hiroyuki ARIMA, Shinichi KINOSHITA
  • Publication number: 20190326639
    Abstract: An electrolyte solution applicable to high-voltage electrochemical devices and capable of improving the cycle characteristics of electrochemical devices even at high voltage, and an electrochemical device. The electrolyte solution contains a fluorinated diether and a metal salt having a specific structure. The fluorinated diether is represented by CFR11R12—O—CH2CH2—O—R13, wherein R11 and R12 are each individually H, CH3, F, CH2F, CHF2, or CF3; and R13 is a C1 or C2 non-fluorinated alkyl group or a C1 or C2 fluorinated alkyl group.
    Type: Application
    Filed: November 21, 2017
    Publication date: October 24, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu KINOSHITA, Kenzou TAKAHASHI, Hideo SAKATA, Shigeaki YAMAZAKI, Hiroyuki ARIMA, Shinichi KINOSHITA
  • Publication number: 20190288339
    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.
    Type: Application
    Filed: June 16, 2017
    Publication date: September 19, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideo SAKATA, Kenzou TAKAHASHI, Hiroyuki ARIMA, Shigeaki YAMAZAKI, Shinichi KINOSHITA
  • Patent number: 10355312
    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 %.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: July 16, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroyuki Arima, Hideo Sakata, Shigeaki Yamazaki, Shinichi Kinoshita
  • Publication number: 20190214682
    Abstract: An electrolyte solution for an electrochemical device, such as a lithium secondary battery, or module. The electrolyte solution contains a solvent; an electrolyte salt; at least one compound (X) selected from a compound represented by R11X11—SO3M11 and a compound represented by R21R22N—SO3M21; and at least one organosilicon compound selected from a compound represented by (R31)n31-M31-O—SiR32R33R34 and a compound represented by R41R42R43—Si—F, where R11, X11, M11, R21, R22, M21, R41, R42 and R43 are as defined herein.
    Type: Application
    Filed: June 16, 2017
    Publication date: July 11, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideo SAKATA, Shigeaki YAMAZAKI, Hiroyuki ARIMA, Kenzou TAKAHASHI, Shinichi KINOSHITA
  • Patent number: 10297865
    Abstract: 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.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: May 21, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki Yamazaki, Hideo Sakata, Hiroyuki Arima, Yoshiko Kuwajima, Shinichi Kinoshita
  • Publication number: 20190123386
    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.
    Type: Application
    Filed: April 5, 2017
    Publication date: April 25, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenzou TAKAHASHI, Shinichi KINOSHITA, Hideo SAKATA, Shigeaki YAMAZAKI, Hiroyuki ARIMA
  • Patent number: 10256506
    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.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: April 9, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko Taeda, Shigeaki Yamazaki, Hiroyuki Arima, Toshirou Miura, Tomo Shimada, Shinichi Kinoshita
  • Patent number: 10243242
    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.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: March 26, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Michiaki Okada, Akinori Tani, Shinichi Kinoshita, Hiroyuki Arima, Tomo Shimada, Mayuko Taeda
  • Publication number: 20180294515
    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.
    Type: Application
    Filed: October 14, 2016
    Publication date: October 11, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya HIDAKA, Hideo SAKATA, Kenzou TAKAHASHI, Hiroyuki ARIMA, Shigeaki YAMAZAKI, Yoshiko KUWAJIMA, Shinichi KINOSHITA