Patents by Inventor Noriko Shima

Noriko Shima 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).

  • Publication number: 20220149436
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. Its non-aqueous liquid electrolyte contains carbonate having unsaturated bond and/or halogen and compounds like LiPF6 and/or LiBF4 (first lithium salt) and lithium salt different from said first one, represented by formula below (second lithium salt). Lil(?mXan) (In the formula, l, m and n represent integers of 1 to 10, 1 to 100 and 1 to 200, respectively. ? represents boron, carbon, nitrogen, oxygen or phosphorus. Xa represents functional group having atom selected from 14th to 17th groups of periodic table at its binding-position to ?. Two or more of Xa may be connected to each other to form a ring structure. However, such a case where ? is boron and Xa is compound represented by (CiH2(i-2)O4)(CjH2(j-2)O4) is omitted (i and j represent integers of 2 or larger.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 12, 2022
    Applicants: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATION
    Inventors: Takashi FUJII, Noriko SHIMA, Youichi OHASHI, Shinichi KINOSHITA
  • Patent number: 11283107
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. Its non-aqueous liquid electrolyte contains carbonate having unsaturated bond and/or halogen and compounds like LiPF6 and/or LiBF4 (first lithium salt) and lithium salt different from said first one, represented by formula below (second lithium salt). Li1(?mXan) (In the formula, l, m and n represent integers of 1 to 10, 1 to 100 and 1 to 200, respectively. ? represents boron, carbon, nitrogen, oxygen or phosphorus. Xa represents functional group having atom selected from 14th to 17th groups of periodic table at its binding-position to ?. Two or more of Xa may be connected to each other to form a ring structure. However, such a case where a is boron and Xa is compound represented by (CiH2(i-2)O4)(CjH2(j-2)O4) is omitted (i and j represent integers of 2 or larger.).
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 22, 2022
    Assignees: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Publication number: 20190229372
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. Its non-aqueous liquid electrolyte contains carbonate having unsaturated bond and/or halogen and compounds like LiPF6 and/or LiBF4 (first lithium salt) and lithium salt different from said first one, represented by formula below (second lithium salt). Li1(?mXan) (In the formula, l, m and n represent integers of 1 to 10, 1 to 100 and 1 to 200, respectively. ? represents boron, carbon, nitrogen, oxygen or phosphorus. Xa represents functional group having atom selected from 14th to 17th groups of periodic table at its binding-position to ?. Two or more of Xa may be connected to each other to form a ring structure. However, such a case where a is boron and Xa is compound represented by (CiH2(i-2)O4)(CjH2(j-2)O4) is omitted (i and j represent integers of 2 or larger.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 25, 2019
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 10333172
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and and an anhydride compound.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: June 25, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 10290901
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and and an anhydride compound.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: May 14, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 9608291
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and compounds such as LiPF6 and/or LiBF4 (first lithium salt) and lithium salt different from the first lithium salt.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: March 28, 2017
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Publication number: 20170084955
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and and an anhydride compound.
    Type: Application
    Filed: November 30, 2016
    Publication date: March 23, 2017
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi FUJII, Noriko SHIMA, Youichi OHASHI, Shinichi KINOSHITA
  • Patent number: 9343777
    Abstract: A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: May 17, 2016
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 9252457
    Abstract: A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: February 2, 2016
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Publication number: 20150188192
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and compounds such as LiPF6 and/or LiBF4 (first lithium salt) and lithium salt different from the first lithium salt.
    Type: Application
    Filed: March 11, 2015
    Publication date: July 2, 2015
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi FUJII, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Patent number: 9065146
    Abstract: The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: June 23, 2015
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi Onuki, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Publication number: 20150056503
    Abstract: A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, in which the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.
    Type: Application
    Filed: October 31, 2014
    Publication date: February 26, 2015
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi FUJII, Noriko SHIMA, Youichi OHASHI, Shinichi KINOSHITA
  • Patent number: 8551662
    Abstract: A nonaqueous electrolyte which contains a nonaqueous organic solvent and a lithium salt dissolved therein is provided. Also provided is a lithium secondary battery employing the nonaqueous electrolyte.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: October 8, 2013
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masamichi Onuki, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Publication number: 20120177988
    Abstract: A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.
    Type: Application
    Filed: March 20, 2012
    Publication date: July 12, 2012
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takashi FUJII, Noriko SHIMA, Youichi OHASHI, Shinichi KINOSHITA
  • Patent number: 8178246
    Abstract: The present invention provides a nonaqueous electrolytic solution which can give excellent cycle characteristics. The nonaqueous electrolytic solution contains a linear carbonate represented by the formula (1): wherein, in the formula (1), Xa represents each independently hydrogen or any group; Ra represents optionally substituted alkyl; and n represents an integer of zero or more.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: May 15, 2012
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Noriko Shima
  • Publication number: 20120070731
    Abstract: A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.
    Type: Application
    Filed: November 23, 2011
    Publication date: March 22, 2012
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takashi FUJII, Noriko SHIMA, Youichi OHASHI, Shinichi KINOSHITA
  • Publication number: 20120045698
    Abstract: A non-aqueous liquid electrolyte to be used for a non-aqueous liquid electrolyte secondary battery containing a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte. In the non-aqueous liquid electrode, the anode electrode contains an anode electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom. The non-aqueous liquid electrolyte also contains a carbonate having at least either an unsaturated bond or a halogen atom, and also contains a compound represented by formula (III-1) as defined herein.
    Type: Application
    Filed: October 31, 2011
    Publication date: February 23, 2012
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Noriko SHIMA
  • Publication number: 20120040252
    Abstract: A non-aqueous liquid electrolyte to be used for a non-aqueous liquid electrolyte secondary battery containing a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte. In the non-aqueous liquid electrode, the anode electrode contains an anode electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom. The non-aqueous liquid electrolyte also contains a carbonate having at least either an unsaturated bond or a halogen atom, and also contains a compound represented by formula (I) as defined herein and a saturated cyclic carbonate compound as defined herein.
    Type: Application
    Filed: October 24, 2011
    Publication date: February 16, 2012
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Noriko SHIMA
  • Publication number: 20110229771
    Abstract: A nonaqueous electrolyte which contains a nonaqueous organic solvent and a lithium salt dissolved therein is provided. Also provided is a lithium secondary battery employing the nonaqueous electrolyte.
    Type: Application
    Filed: May 31, 2011
    Publication date: September 22, 2011
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi ONUKI, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Publication number: 20110159380
    Abstract: A nonaqueous electrolyte which contains a nonaqueous organic solvent and a lithium salt dissolved therein is provided. Also provided is a lithium secondary battery employing the nonaqueous electrolyte.
    Type: Application
    Filed: March 7, 2011
    Publication date: June 30, 2011
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi ONUKI, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima