Patents Assigned to Sanyo
  • Publication number: 20230155182
    Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 18, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Kazuhiro Kitaoka, Masakazu Yamada, Yohei Muroya
  • Patent number: 11649314
    Abstract: An antistatic agent for thermoplastic resins (Z) containing a block polymer (A) having a block of a hydrophobic polymer (a) and a block of a hydrophilic polymer (b) as structure units, and a C6-C18 branched alkylbenzenesulfonate (S); an antistatic resin composition (Y) containing the antistatic agent (Z) and a thermoplastic resin (E); and a molded article of the antistatic resin composition (Y).
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: May 16, 2023
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuko Sugimoto, Shinichi Fujita
  • Patent number: 11648279
    Abstract: Provided are a composition for cell transplant and a method for cell transplant, both of which enable a myocardial tissue to favorably retain cardiac myocytes and/or cardiac progenitors and can improve the persistence and proliferation of transplanted cells. The composition for cell transplant of the present invention is a composition for cell transplant, containing cells and an aqueous solution containing a protein (A), the cells including a cardiac myocyte and/or a cardiac progenitor, the protein (A) having a degree of hydrophobicity of 0.2 to 1.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: May 16, 2023
    Assignees: KYOTO UNIVERSITY, SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshinori Yoshida, Takeshi Hatani, Ryosuke Suzuki, Shingo Kawabata
  • Publication number: 20230146313
    Abstract: A battery pack includes a rechargeable battery, a charge FET including a parallel diode connected in series with the battery, and a control circuit configured to control turning on and off of the charge FET. The control circuit includes a discriminating circuit configured to detect a bicycle-mounted state and a charger-connected state, and a memory configured to store a full charge voltage of the battery. The control circuit is configured to, while the discriminating circuit detects the bicycle-mounted state. turn off the charge FET. The control circuit is configured to, while the discriminating circuit detects the charger-connected state, stop charging the battery by switching the charge FET to turn off the charge FET upon detecting that a voltage of the battery charged by a charger becomes higher than the full charge voltage.
    Type: Application
    Filed: March 24, 2021
    Publication date: May 11, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Shingo Mizoshita, Hidetaka Arai, Toru Nishikawa, Kazuya Maegawa, Hiroki Teraoka
  • Publication number: 20230142602
    Abstract: This nonaqueous electrolyte secondary battery has a non-aqueous electrolyte and an electrode assembly formed by layering a positive electrode and a negative electrode layered via a separator. The positive electrode has a positive electrode core and a positive electrode mix layer containing a positive electrode active substance. The median diameter (D50) of the positive electrode active substance in terms of volume is 5.0 to 7.0 ?m, the BET specific surface area of the positive electrode active substance is 2.00 to 3.00 m2/g, the TAP density of the positive electrode active substance is 1.30 to 1.70 g/cm3, and the density of the positive electrode mix layer is 2.3 to 2.5 g/cm3.
    Type: Application
    Filed: February 8, 2021
    Publication date: May 11, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Ken Kaneko, Yuu Takanashi, Kentaro Takahashi
  • Patent number: 11646438
    Abstract: A method of manufacturing an electrode plate for a battery of the present disclosure includes: a step (A) of forming a through hole (20) in a strip-shaped electrode plate (10); and a step (B) of cutting the strip-shaped electrode plate along a width direction. In the step (A), the through hole is formed at a position on a cutting line (21) which extends in the width direction of the strip-shaped electrode plate, in the step (B), cutting of the strip-shaped electrode plate is performed by multiple cutting blades (30A, 30B) disposed along the cutting line, and at least one cutting blade of the multiple cutting blades is disposed at the position of the through hole.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: May 9, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Masahide Maruyama
  • Publication number: 20230135786
    Abstract: A cylindrical battery according to one embodiment comprises: an electrode assembly obtained by wrapping a positive electrode and a negative electrode around a separator; an electrolyte; a bottomed cylindrical outer can that houses the electrode assembly and the electrolyte; a sealing body that plugs the opening of the outer can; and an annular gasket that is inserted between the outer can and the sealing body. The sealing body is anchored by being crimped to an open end of the outer can via the gasket. The gasket has a projection formed on the outer peripheral surface thereof, the projection protruding outside radially and the projection is in contact with the inner peripheral surface of the open end of the outer casing.
    Type: Application
    Filed: March 24, 2021
    Publication date: May 4, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Satoru Mihara, Norie Mantoku
  • Publication number: 20230135592
    Abstract: This electrode plate for a secondary battery comprises a thin plate-shaped core formed from a metal foil and an active material layer formed on at least one surface of the core. A melted section of the metal foil forming the core is scattered at an end section of the electrode plate for a secondary battery so as to spread from the plate thickness range of the core to the end face of the active material layer, adheres thereto, and is solidified.
    Type: Application
    Filed: February 8, 2021
    Publication date: May 4, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Hidemasa Kawai, Naoki Uchida, Haruya Nakai
  • Publication number: 20230118798
    Abstract: This electrode body for secondary batteries comprises: a positive electrode; a negative electrode; an outer separator; and an inner separator which is arranged inside the outer separator. An outer electrode, which is either the positive electrode or the negative electrode arranged on the outer side, is sandwiched by the outer separator and the inner separator. The outer separator and the inner separator have: two electrode facing parts that face the outermost layers of the outer electrode, while overlapping with each other, with the outer electrode being interposed therebetween; and a terminal overlapping part that is provided at respective ends of the outer separator and the inner separator. The thickness of the front end of the terminal overlapping part is larger than the sum of the thicknesses of the two electrode facing parts.
    Type: Application
    Filed: February 8, 2021
    Publication date: April 20, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Kazutaka Mita
  • Publication number: 20230123331
    Abstract: This positive electrode active material comprises an Ni-containing lithium composite oxide A and an Ni-containing lithium composite oxide B. Each of the Ni-containing lithium composite oxide A and the Ni-containing lithium composite oxide B contains 50% by mole or more of Ni relative to the total number of moles of the metal elements excluding Li; the Ni-containing lithium composite oxide A has an average primary particle diameter of 2 ?m or more, an average secondary particle diameter of from 2 ?m to 6 ?m, and a particle breaking load of 5 mN or more; and the Ni-containing lithium composite oxide B has an average primary particle diameter of 1 ?m or less, an average secondary particle diameter of from 10 ?m to 20 ?m, and a particle breaking load of 20 mN or more, while having a coating layer on the surface of each primary particle.
    Type: Application
    Filed: January 19, 2021
    Publication date: April 20, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Hiroki Watanabe, Hidekazu Hiratsuka
  • Publication number: 20230123001
    Abstract: Provided is an antistatic agent (Z) containing: a block polymer (A) having a block of a hydrophobic polymer (a) and a block of a hydrophilic polymer (b) as structure units; and a sulfonate (S), the sulfonate (S) being a salt of an alkylbenzenesulfonic acid anion which has a C6-C18 alkyl group, the sulfonate (S) including at least two alkylbenzenesulfonates different in the number of carbon atoms of the alkyl group in the anion, the sulfonate (S) satisfying the following formula: 0.40?W(n)/[W(n?1)+W(n)+W(n+1)]?0.90 wherein n is the number of carbon atoms of the alkyl group in the anion of an alkylbenzenesulfonate accounting for the highest proportion by weight in the sulfonate (S); W(n) is a weight of said alkylbenzenesulfonate; and W(n?1) and W(n+1) are respectively a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n?1) carbon atoms and a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n+1) carbon atoms.
    Type: Application
    Filed: January 13, 2022
    Publication date: April 20, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuko SUGIMOTO, Shinichi FUJITA
  • Publication number: 20230118910
    Abstract: A cylindrical battery according to an exemplary embodiment comprises a bottomed cylindrical outer can, a sealing body that closes an opening in the outer can, and a gasket interposed between the outer can and the sealing body. On the outer can, an edge of the opening is curved inward, and a crimped part is formed pressing the sealing body via the gasket. The crimped part includes: a base-end-side part that is inclined so that the gap with the sealing body becomes smaller toward the inside of the outer can; and a tip-end-side part that is inclined at a smaller angle at the sealing-body side than the base-end-side part, or is parallel to the bottom surface part of the outer can, or is inclined so that the gap with the sealing body becomes larger toward the tip end.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Shin Haraguchi
  • Publication number: 20230111688
    Abstract: A manufacturing method of a positive electrode plate for a non-aqueous electrolyte secondary battery includes a coating and drying step of coating a positive electrode active material layer and a protective layer onto a positive electrode core so that the protective layer forms a raised part between a portion inside a side end of a core exposed part in a width direction and a width-direction center, and then drying the positive electrode active material layer and the protective layer; and a compressing step of compressing the protective layer and the positive electrode active material layer so as to press the raised part formed in the coating and drying step and the positive electrode active material layer.
    Type: Application
    Filed: February 8, 2021
    Publication date: April 13, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Tetsuya Matsuda, Haruya Nakai
  • Publication number: 20230114471
    Abstract: A cylindrical battery according to an embodiment of the present disclosure has a sealing plate includes a flange portion which is secured by crimping to the opening portion of the outer can, a terminal portion formed on the radially inner side of the flange portion, and a thin-walled portion which is formed on the radially outer side of the sealing plate, and which connects the flange portion and the terminal portion; and the thin-walled portion is formed in such a way as to be inclined upward toward the outside from the radially inner side of the sealing plate, and is formed in such a way as to connect a part below the central portion of an outer circumferential surface of the terminal portion to a part above the central portion of an inner circumferential surface of the flange portion.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 13, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Takumi Kusano
  • Patent number: 11626741
    Abstract: Main management unit manages the plurality of power storage modules via the plurality of sub-management units. Main management unit and the plurality of sub-management units are daisy-chain connected by power line. Main management unit can supply power from power storage unit other than the plurality of power storage modules to the plurality of sub-management units via power line. Main management unit and the plurality of sub-management units respectively include communication units. Each of communication units superimposes a communication signal on power line.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 11, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Kimihiko Furukawa, Tomonori Kunimitsu
  • Publication number: 20230109573
    Abstract: This nonaqueous electrolyte secondary battery is provided with: an electrode body that comprises a positive electrode and a negative electrode; and a nonaqueous electrolyte solution that contains a nonaqueous solvent. The ratio of the capacity (Qn) of the negative electrode to the capacity (Qp) of the positive electrode, namely Qn/Qp is 1.4 or more; and the nonaqueous electrolyte solution contains, relative to the total volume of the nonaqueous solvent at 25° C., from 0.5% by volume to 10% by volume of methyl acetate and from 0.01 mole/L to 0.05 mole/L of lithium bisoxalato borate.
    Type: Application
    Filed: January 12, 2021
    Publication date: April 6, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Yoshikazu Miyachi, Kazunori Donoue, Shinya Miyazaki
  • Publication number: 20230104632
    Abstract: A non-aqueous electrolyte secondary battery includes an electrode body having a positive electrode plate and a negative electrode plate stacked with a separator interposed therebetween, a rectangular exterior body, a sealing plate, an electrode terminal, a first current collector in connection with the electrode terminal, a second current collector in connection with the first current collector, and a tab group extending from the electrode body and connected to the second current collector. The tab group includes a positive electrode tab group/negative electrode tab group extending from a positive electrode core of the positive electrode plate/negative electrode plate, and is bent near a connection with the second current collector. A surface of the positive electrode core on and near its end from which the positive electrode tabs extend is covered with a protective layer. One end of the negative electrode plate faces the protective layer on the positive electrode plate.
    Type: Application
    Filed: February 8, 2021
    Publication date: April 6, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Tomoyuki Yamada, Takashi Hosokawa
  • Publication number: 20230098011
    Abstract: A hermetically sealed battery which is an example of an embodiment is provided with: an electrode body having an electrode tab; an outer can in the shape of a bottomed cylinder for accommodating the electrode body; and a sealing body for closing an opening portion of the outer can. The sealing body includes: a first thin-walled portion formed in an annular shape; a valve portion which surrounds the first thin-walled portion, and which deforms in such a way as to protrude to the outside of the battery when the internal pressure in the battery rises; and a linear second thin-walled portion formed in the valve portion. The electrode tab is disposed in such a way as to intersect the second thin-walled portion, and is joined to an inner surface of the valve portion in such a way as to sandwich the second thin-walled portion.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 30, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Ryota Okimoto, Akira Takano
  • Publication number: 20230095106
    Abstract: The purpose of the present disclosure is to provide a sealed battery that can expand a joint area of an electrode lead with respect to a sealing body or the like without using a large-width electrode lead. A sealed battery, which is an example of an embodiment, comprises: an electrode body having an electrode lead; a bottomed tubular exterior can that accommodates the electrode body; and a sealing body that plugs an opening section of the exterior can. The electrode lead is welded, with energy beams, to the inner surface of the sealing body. In addition, the electrode lead includes: a first main surface making contact with the inner surface of the sealing body; and a second main surface on the opposite side of the first main surface, wherein the first main surface and the second main surface are formed in no-parallel with each other.
    Type: Application
    Filed: March 12, 2021
    Publication date: March 30, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Oose Okutani
  • Publication number: 20230099870
    Abstract: A battery module comprising: a battery integrated body in which a plurality of rectangular secondary batteries are layered; a pair of end plates that sandwich the battery integrated body: and a pair of side-surface securing members that form a bridge between the end plates, and a top-surface securing member, each secondary battery including a flat wound electrode body in which a positive electrode and a negative electrode are wound with a separator interposed therebetween, so that the winding axes are in the transverse direction, and the winding ends of the negative electrodes of at least the secondary batteries adjacent to the end plates face upward, the winding ends being positioned in the gap between half the height of the electrode body and the top part of the curved section of the electrode body in a cross-section orthogonal to the winding axes.
    Type: Application
    Filed: January 19, 2021
    Publication date: March 30, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Yuma Kamiyama, Tomoyuki Yamada