Patents by Inventor HONAMI SAKO
HONAMI SAKO 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).
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Publication number: 20230291010Abstract: A solid electrolyte of the present disclosure includes: a polymer compound including at least one selected from the group consisting of a structural unit X represented by the following formula (1) and a structural unit Y represented by the following formula (2); and a supporting salt.Type: ApplicationFiled: May 10, 2023Publication date: September 14, 2023Inventor: Honami SAKO
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Publication number: 20230063834Abstract: A redox flow battery includes: a negative electrode; a positive electrode; a first liquid which is in contact with the negative electrode, and which contains a first nonaqueous solvent, a first redox species, and metal ions; a second liquid which is in contact with the positive electrode, and which contains a second nonaqueous solvent, a second redox species, and metal ions; and a metal ion-conducting membrane disposed between the first liquid and the second liquid. The metal ion-conducting membrane contains an organic polymer containing a plurality of hydroxy groups. The organic polymer contains a group formed by substituting at least a portion of the hydroxy groups with a metal sulfonate.Type: ApplicationFiled: November 8, 2022Publication date: March 2, 2023Inventor: HONAMI SAKO
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Patent number: 11552325Abstract: A flow battery includes a negative electrode, a positive electrode, a first liquid in contact with the negative electrode, a second liquid in contact with the positive electrode, and a lithium-ion-conductive film disposed between the first liquid and the second liquid. At least one of the first liquid or the second liquid contains a redox species and lithium ions. The lithium-ion-conductive film includes an inorganic member containing zeolite.Type: GrantFiled: November 4, 2020Date of Patent: January 10, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takahiro Kurabuchi, Honami Sako, Masahisa Fujimoto
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Publication number: 20220216514Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The electrolyte includes a polymeric electrolyte. The polymeric electrolyte is composed of a polymer and a lithium salt of a fluorosulfonyl-group-containing compound, and the polymer is a polymer of a vinylene carbonate species. The lithium salt of a fluorosulfonyl-group-containing compound includes lithium bis(fluorosulfonyl)imide.Type: ApplicationFiled: March 28, 2022Publication date: July 7, 2022Inventors: HONAMI SAKO, MASAHISA FUJIMOTO
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Patent number: 11322769Abstract: In a flow battery according to one aspect of the present disclosure, a first liquid does not include an undesired compound. The flow battery satisfies requirement (i), (ii), (iii) or (iv). (i) An anode active material 14 includes graphite, and the first liquid has an equilibrium potential of not more than 0.15 V vs. Li/Li+. (ii) An anode active material includes aluminum, and the first liquid has an equilibrium potential of not more than 0.18 V vs. Li/Li+. (iii) An anode active material includes tin, and the first liquid has an equilibrium potential of not more than 0.25 V vs. Li/Li+. (iv) An anode active material includes silicon, and the first liquid has an equilibrium potential of not more than 0.25 V vs. Li/Li+.Type: GrantFiled: July 16, 2020Date of Patent: May 3, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shuji Ito, Masahisa Fujimoto, Honami Sako, Sho Shibata
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Patent number: 11264632Abstract: The flow battery according to the present disclosure comprises an anode and a cathode. The cathode comprises a first electrode, a first liquid, a first active material, and a first circulation mechanism. The first liquid is in contact with the first active material and the first electrode. The first circulation mechanism is configured to circulate the first liquid between the first electrode and the first active material. The first liquid includes perylene or the derivative thereof.Type: GrantFiled: March 4, 2020Date of Patent: March 1, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Honami Sako
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Publication number: 20210384541Abstract: A redox flow battery includes a negative electrode; a positive electrode; a first liquid which contains a first nonaqueous solvent, a first redox species, and metal ions and which is in contact with the negative electrode; a second liquid which contains a second nonaqueous solvent and which is in contact with the positive electrode; and a metal ion-conducting membrane disposed between the first liquid and the second liquid. The metal ion-conducting membrane includes a porous layer and a resin layer which is in contact with the porous layer and which contains a fluorocarbon resin. The porous layer includes a porous body and a filler which is located in pores of the porous body and which contains a fluorocarbon resin.Type: ApplicationFiled: August 26, 2021Publication date: December 9, 2021Inventors: KOHEI HARA, MASAHISA FUJIMOTO, HONAMI SAKO, SHUJI ITO
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Publication number: 20210367256Abstract: A flow battery includes a negative electrode, a positive electrode, a first liquid including first redox species, a second liquid, and a lithium ion conductive membrane. At least one selected from the group consisting of the first liquid and the second liquid includes a supporting electrolyte including lithium. The total of the number of moles of lithium dissolved in the first liquid and the number of moles of lithium dissolved in the second liquid is larger than the number of moles of lithium present in the supporting electrolyte. 0.2?(M1+M2?M3)/M4?1.5 wherein M1 is the number of moles of lithium dissolved in the first liquid, M2 is the number of moles of lithium dissolved in the second liquid, M3 is the number of moles of lithium present in the supporting electrolyte, and M4 is the number of moles of the first redox species.Type: ApplicationFiled: August 5, 2021Publication date: November 25, 2021Inventors: SHUJI ITO, MASAHISA FUJIMOTO, HONAMI SAKO
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Publication number: 20210359325Abstract: A redox flow battery includes a negative electrode; a positive electrode; a first liquid which contains a first nonaqueous solvent, a first redox species, and metal ions and which is in contact with the negative electrode; a second liquid which contains a second nonaqueous solvent and which is in contact with the positive electrode; and a metal ion-conducting membrane disposed between the first liquid and the second liquid. The metal ion-conducting membrane contains a plurality of inorganic particles and a binder which contains an organic polymer and which binds the inorganic particles together.Type: ApplicationFiled: July 27, 2021Publication date: November 18, 2021Inventors: HONAMI SAKO, MASAHISA FUJIMOTO, HIROKI YABE, SHUJI ITO
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Publication number: 20210359330Abstract: A redox flow battery includes a negative electrode; a positive electrode; a first liquid which contains a first nonaqueous solvent, a first redox species, and metal ions and which is in contact with the negative electrode; a second liquid which contains a second nonaqueous solvent and which is in contact with the positive electrode; and a metal ion-conducting membrane which is disposed between the first liquid and the second liquid and which is nonporous. The metal ion-conducting membrane is swollen by at least one selected from the group consisting of the first liquid and the second liquid and allows the metal ions to pass therethrough.Type: ApplicationFiled: July 27, 2021Publication date: November 18, 2021Inventors: HONAMI SAKO, MASAHISA FUJIMOTO, SHUJI ITO
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Publication number: 20210151785Abstract: A flow battery includes a negative electrode, a positive electrode, a first liquid in contact with the negative electrode, a second liquid in contact with the positive electrode, and a lithium-ion-conductive film disposed between the first liquid and the second liquid. At least one of the first liquid or the second liquid contains a redox species and lithium ions. The lithium-ion-conductive film includes an inorganic member containing zeolite.Type: ApplicationFiled: November 4, 2020Publication date: May 20, 2021Inventors: TAKAHIRO KURABUCHI, HONAMI SAKO, MASAHISA FUJIMOTO
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Publication number: 20200350608Abstract: In a flow battery according to one aspect of the present disclosure, a first liquid does not include an undesired compound. The flow battery satisfies requirement (i), (ii), (iii) or (iv). (i) An anode active material 14 includes graphite, and the first liquid has an equilibrium potential of not more than 0.15 V vs. Li/Li+. (ii) An anode active material includes aluminum, and the first liquid has an equilibrium potential of not more than 0.18 V vs. Li/Li+. (iii) An anode active material includes tin, and the first liquid has an equilibrium potential of not more than 0.25 V vs. Li/Li+. (iv) An anode active material includes silicon, and the first liquid has an equilibrium potential of not more than 0.25 V vs. Li/Li+.Type: ApplicationFiled: July 16, 2020Publication date: November 5, 2020Inventors: SHUJI ITO, MASAHISA FUJIMOTO, HONAMI SAKO, SHO SHIBATA
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Publication number: 20200203750Abstract: The flow battery according to the present disclosure comprises an anode and a cathode. The cathode comprises a first electrode, a first liquid, a first active material, and a first circulation mechanism. The first liquid is in contact with the first active material and the first electrode. The first circulation mechanism is configured to circulate the first liquid between the first electrode and the first active material. The first liquid includes perylene or the derivative thereof.Type: ApplicationFiled: March 4, 2020Publication date: June 25, 2020Inventor: HONAMI SAKO