Patents Assigned to Sanyo
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Patent number: 11600874Abstract: The electrical equipment battery includes: a circuit board mounted with a heat generating element; and an outer case having a heat radiation plate made of metal. A heat transfer space is defined between the circuit board and the heat radiation plate, and then an electrical-insulating and heat-conducting gel is filled in the heat transfer space. Heat energy of the heat generating element is radiated to the outside via the heat radiation plate of the outer case. The heat radiation plate is provided with a flow-out block partition on the outer side of the heat transfer space. The flow-out block partition suppresses the electrical-insulating and heat-conducting gel from flowing out from the heat transfer space.Type: GrantFiled: November 22, 2017Date of Patent: March 7, 2023Assignee: SANYO Electric Co., Ltd.Inventor: Hiroyuki Takahashi
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Publication number: 20230061388Abstract: A negative electrode for nonaqueous electrolyte secondary batteries is provided with: a negative electrode current collector; a first negative electrode mix layer arranged on a surface of the negative electrode current collector; and a second negative electrode mix layer arranged on a surface of the first negative electrode mix layer. The first negative electrode mix layer contains a first carbon material having a true density of 2.1 g/cm3 to 2.3 g/cm3, the second negative electrode mix layer contains a second carbon material having a true density of 1.5 g/cm3 to 2.0 g/cm3, the inter-particle porosity of the second carbon material in the second negative electrode mix layer is larger than that of the first carbon material in the first negative electrode mix layer, and the ratio of the mass of the first negative electrode mix layer to that of the second negative electrode mix layer is 95:5 to 80:20.Type: ApplicationFiled: December 21, 2020Publication date: March 2, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Takamitsu Tashita, Fumikazu Mizukoshi, Akihiro Katogi
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Publication number: 20230064158Abstract: A sealed battery as an example of an embodiment is provided with an electrode body to which an electrode tab is connected, a closed-end cylindrical exterior housing can which houses the electrode body, and a sealing body that seals an opening of the exterior housing can. The sealing body includes a rupture disk. The rupture disk has a curved first thin-walled portion and a first valve portion surrounded by a straight-line portion connecting both ends of the first thin-walled portion. The first valve portion has a protruding section protruding toward the electrode body, the electrode tab is joined to a side surface of the protruding section, and at least a part of a joint surface between the electrode tab and the protruding section is disposed on a plane crossing the straight-line portion.Type: ApplicationFiled: January 6, 2021Publication date: March 2, 2023Applicant: SANYO Electric Co., Ltd.Inventor: Masayoshi Yoshida
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Publication number: 20230064681Abstract: The purpose of the present disclosure is to improve the cycle characteristics of a secondary battery. An electrode for secondary batteries according to one example of the embodiments of the present disclosure is provided with a core body and a mixture layer that is formed on the surface of the core body. The mixture layer comprises a plurality of high-density regions and a plurality of low-density regions; and the high-density regions and the low-density regions are alternately arranged in a first direction of the mixture layer, while extending in a second direction that is perpendicular to the first direction, thereby forming stripes. It is preferable that there are three or more high-density regions and three or more low-density regions.Type: ApplicationFiled: December 21, 2020Publication date: March 2, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Tatsuya Akira, Junichi Sugaya
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Publication number: 20230065283Abstract: A positive electrode active material for a non-aqueous electrolyte secondary battery according to an aspect of the present disclosure contains a lithium metal composite oxide having secondary particles formed by the aggregation of primary particles, wherein W is present on the surface and inside of the secondary particles of the lithium metal composite oxide. The amount of W present on the surface of the secondary particles of the lithium metal composite oxide represented by general formula Li?NiaCobAlcMdWeO? (in the formula, 0.9???1.2, 0.8?a?0.96, 0<b?0.10, 0<c?0.10, 0?d?0.1, 0.0003?e/(a+b+c+d+e)?0.002, 1.9???2.1, a+b+c+d=1, and M is at least one element selected from among Mn, Fe, Ti, Si, Nb, Zr, Mo, and Zn) is 25-45% of the total amount of W present on the surface and inside of the secondary particles of the lithium metal composite oxide.Type: ApplicationFiled: January 22, 2021Publication date: March 2, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Takayuki Ishikawa, Kaoru Nagata, Masanori Maekawa
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Patent number: 11592340Abstract: A circuit device that is connected to a temperature detection element that detects a temperature of an object via an external signal line and an external signal ground line includes a connector that is connected to the external signal line and the external signal ground line, an internal signal line that is connected to the external signal line via the connector, an internal signal ground line that is connected to the external signal ground line via the connector, a controlling circuit that is connected to the internal signal line and the internal signal ground line and detects the temperature of the object, and a high-frequency filter that is inserted into at least one of a foremost stage of the internal signal line and a foremost stage of the internal signal ground line as viewed from the connector.Type: GrantFiled: July 23, 2018Date of Patent: February 28, 2023Assignees: SANYO Electric Co., Ltd., PANASONIC HOLDINGS CORPORATIONInventors: Shinya Nakano, Yoshitaka Ishikawa, Kenji Koizumi, Chikara Ohmori, Naohisa Morimoto
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Patent number: 11594775Abstract: A power supply device disposes an end plate at each end of a battery stack in a stacked direction of the battery stack, and couples a binding bar to the end plate, so as to fix battery cells. The binding bar includes a plate-shaped bar that extends in the stacked direction, and an engagement block that is provided on a plate-shaped bar and protrudes toward an outer peripheral face of the end plate. The engagement block is inserted into a fixing hole provided in the plate-shaped bar and fixed to an inner peripheral face of the fixing hole. The end plate includes a fitting part, to which the engagement block is guided, on the outer peripheral face of the end plate, and includes a stopper that is disposed closer to the battery stack with respect to the fitting part and abuts the engagement block.Type: GrantFiled: November 26, 2018Date of Patent: February 28, 2023Assignees: PANASONIC HOLDINGS CORPORATION, SANYO Electric Co., Ltd.Inventors: Shinobu Terauchi, Tetsuji Omura
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Publication number: 20230055580Abstract: A non-aqueous electrolyte secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate, a rectangular exterior body having an opening and accommodating the electrode body, a sealing plate sealing the opening, and an electrode terminal provided to the sealing plate. The positive electrode plate includes a positive electrode core and a positive electrode active material applied to both surfaces of the positive electrode core. The peripheral length of a positive electrode core portion to which the positive electrode active material is applied is 0.28 m/Ah or less per unit battery capacity.Type: ApplicationFiled: February 8, 2021Publication date: February 23, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Masato Ota, Takashi Hosokawa
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Patent number: 11588212Abstract: Disclosed are a connection assembly for a battery module and a battery module. The connection assembly for a battery module has a housing, a first cover plate and a second cover plate, wherein the housing has a body and a protrusion extending continuously from the body; the first cover plate covers the body; the second cover plate is arranged to be integrated with the first cover plate; the second cover plate is configured to be movable relative to the first cover plate so as to be switched between a closed position and an open position; in the closed position, the second cover plate covers the protrusion; and in the open position, the second cover plate is detached from the protrusion.Type: GrantFiled: March 26, 2020Date of Patent: February 21, 2023Assignees: SANYO ELECTRICS CO., LTD., TYCO ELECTRONICS (SHANGHAI) CO., LTD., TYCO ELECTRONICS JAPAN G.K.Inventors: Haifeng Liu, Litao Dong, Mitsuo Akiyama, Ziwei Li, Sadamichi Suso
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Patent number: 11588185Abstract: A plurality of power source circuits is each configured to be able to selectively charge any one of a plurality of cells included in each of series cell groups by using a voltage across each of series cell groups. The plurality of discharge circuits are each configured to be able to discharge a capacity stored in each of series cell groups. A controlling circuit equalizes the states of the plurality of cells included in each of the series cell groups by using the plurality of power source circuits. The controlling circuit equalizes the states of the plurality of series cell groups by using the plurality of discharge circuits.Type: GrantFiled: November 15, 2018Date of Patent: February 21, 2023Assignee: SANYO Electric Co., Ltd.Inventor: Tomonori Kunimitsu
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Publication number: 20230047916Abstract: This non-aqueous electrolyte secondary battery comprises: a separator that has an adhesive on at least one surface thereof; and an electrode that has a core and an electrode mix layer, and that is configured so that the electrode mix layer abuts the adhesive. The electrode mix layer is configured so that the density, in the thickness-direction, of a porous body increases from the core towards the adhesive.Type: ApplicationFiled: January 29, 2021Publication date: February 16, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Kensuke Watanabe, Taiki Nonaka, Akira Nishida
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Publication number: 20230038509Abstract: A lithium ion battery according to the present invention comprises a positive electrode, a negative electrode, a positive electrode lead that is connected to the positive electrode, an insulation tape that covers the positive electrode lead, and an electrolyte solution. The insulation tape comprises a base material layer that is mainly composed of an organic material, and a filler layer that is provided on the base material layer; the filler layer contains an oxide compound of an alkaline earth metal; and the electrolyte solution contains fluorine.Type: ApplicationFiled: October 15, 2020Publication date: February 9, 2023Applicants: PANASONIC HOLDINGS CORPORATION, SANYO Electric Co., Ltd.Inventors: Hajime Nishino, Tomoki Shiozaki, Kazuhiro Yoshii
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Publication number: 20230044640Abstract: This non-aqueous electrolyte secondary battery comprises an electrode body in which a first separator, a positive electrode plate, a second separator, and a negative electrode plate are layered and coiled for 10 or more turns. The electrode body includes: a flat section in which the outer peripheral surface is flat; and two curved surface sections which are disposed at both ends in a first direction of the flat section and in which the outer peripheral surface is curved. The non-aqueous electrolyte secondary battery includes: a winding-end tape that is adhered to the outermost peripheral surface of the electrode body; and a positive electrode protective tape that is adhered to a winding-start-side end section on the inner peripheral side of the positive electrode plate. The winding-end tape is disposed on one of the two curved surface sections.Type: ApplicationFiled: December 15, 2020Publication date: February 9, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Shuji Ogawa, Takashi Hosokawa, Takafumi Hosokawa
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Publication number: 20230039429Abstract: With respect to a secondary battery of one embodiment of the present invention, at least one of a positive electrode core body and a negative electrode core body is configured such that the tensile elongation in the central part in the width direction is higher than the tensile elongation in both end parts in the width direction. With respect to a secondary battery of another embodiment of the present invention, at least one of a positive electrode core body and a negative electrode core body is configured such that the number of crystal grains per unit area in the central part in the width direction is smaller than the number of crystal grains per unit area in both end parts in the width direction.Type: ApplicationFiled: January 6, 2021Publication date: February 9, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Yuki Nakai, Atsushi Kaiduka, Tatsuhiko Suzuki, Takaharu Morikawa
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Publication number: 20230043169Abstract: Provided are a noodle string cutting device and a noodle manufacturing device with which it is possible to suppress weight variations when noodle strings (52a, 52b) are cut into single-serving portions in a noodle manufacturing method.Type: ApplicationFiled: December 23, 2019Publication date: February 9, 2023Applicant: SANYO FOODS CO., LTD.Inventor: Yoshiaki NAGAYAMA
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Publication number: 20230042848Abstract: This secondary battery is provided with an electrode body formed by laminating a positive electrode and a negative electrode with a separator interposed therebetween. The separator includes a first layer and a second layer having a lesser thermal shrinkage than the first layer, and has a tubular part that is formed in a tubular shape and that constitutes the outermost surface of the electrode body. The tubular part, of the separator, that constitutes the outermost surface of the electrode body has a tape stuck thereto in at least one end portion in the axial direction, the tape pressing the one end portion in the axial direction from one side to the other side in the lamination direction of the electrode body.Type: ApplicationFiled: December 15, 2020Publication date: February 9, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Takafumi Hosokawa, Taiki Nonaka
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Publication number: 20230039685Abstract: This nonaqueous electrolyte secondary battery is provided with a positive electrode, a negative electrode, and a nonaqueous electrolyte. The nonaqueous electrolyte contains a carboxylic acid ester and lithium bisoxalato borate. The concentration of the carboxylic acid ester is not less than 0.01% by volume but less than 10% by volume relative to the volume of the nonaqueous solvent. In addition, the concentration of the lithium bisoxalato borate is not less than 0.01 M but less than 0.2 M.Type: ApplicationFiled: January 19, 2021Publication date: February 9, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Makoto Kubo, Kazunori Donoue, Shinya Miyazaki
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Publication number: 20230042891Abstract: A first electrode current collector is joined to a multilayer of a positive electrode core in a part including no positive electrode active material layer of the first electrode core, by ultrasonic welding in a joint area. The joint area, at which the multilayers of the first electrode core where the first electrode cores are stacked is joined to the first electrode current collector by ultrasonic welding, includes a plurality of core recesses. A core projection is formed between each adjacent pair of the plurality of core recesses of the multilayer of the first electrode core with the first electrode core flexed in a convex shape. A gap in an arc shape is formed between the adjacent pair of the layers of the first electrode core forming the core projection. The gap has a length decreasing from an apex to a bottom of the core projection.Type: ApplicationFiled: January 22, 2021Publication date: February 9, 2023Applicant: SANYO Electric Co., Ltd.Inventor: Yoshitaka Matsumasa
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Patent number: 11572883Abstract: Provided is a reversible fan that produces a current of air in both of a normal direction and a reverse direction, the reversible fan including: an impeller configured to be rotatable about a rotation axis; a motor configured to rotate the impeller; a base portion supporting the motor; a tubular frame housing the impeller, the motor, and the base portion; a spoke extending from an inner peripheral surface of the frame toward the rotation axis, the spoke supporting the base portion; and a holding portion configured to hold at least a part of a lead wire provided along the spoke to apply power to the motor, wherein the holding portion is provided with a housing space opening in the reverse direction and extending along the spoke.Type: GrantFiled: May 2, 2022Date of Patent: February 7, 2023Assignee: SANYO DENKI CO., LTD.Inventor: Yoshihisa Yamazaki
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Publication number: 20230036830Abstract: This non-aqueous electrolyte secondary battery comprises: an electrode assembly in which a positive electrode and a negative electrode are laminated via a separator; and a non-aqueous electrolyte. The non-aqueous electrolyte includes an SO2 bond-containing lithium salt and an isocyanate group-containing compound. With respect to the mass of the non-aqueous electrolyte, the concentration of the lithium salt is preferably 0.1-2.5 mass % and the concentration of the compound is preferably 0.1-8 mass %.Type: ApplicationFiled: December 15, 2020Publication date: February 2, 2023Applicant: SANYO Electric Co., Ltd.Inventor: Atsushi Obayashi
