Patents Examined by Zackary Richard Cochenour
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Patent number: 12199288Abstract: The present invention relates to an anode including multiple current collectors juxtaposed in parallel, and a secondary battery comprising same, wherein the anode enables providing a high-capacity secondary battery while suppressing volume changes due to a silicone component-containing active material employed therein.Type: GrantFiled: November 4, 2020Date of Patent: January 14, 2025Assignee: LG Energy Solution, Ltd.Inventors: Yo Han Kwon, Il Hong Kim, Min Chul Jang
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Patent number: 12191454Abstract: The all-solid-state secondary battery of the disclosure comprises a positive electrode collector layer, a positive electrode layer, a solid electrolyte layer, a negative electrode layer and a negative electrode collector layer stacked in that order, wherein the positive electrode layer has a positive electrode active material layer and an insulating layer disposed around the perimeter edges of the positive electrode active material layer, and when the all-solid-state secondary battery is viewed from the stacking direction, the outer edges of the positive electrode active material layer on the solid electrolyte layer side are further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side, and the outer edges of the positive electrode collector layer are further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side.Type: GrantFiled: March 19, 2024Date of Patent: January 7, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Ryuto Sakamoto
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Patent number: 12183923Abstract: A carbon-based anode material having a surface formed with slightly oxidized pores, includes by weight: 10-30 parts of clay minerals, 5-8 parts of chitosan, 0.1-1 part of a cationic polymer, 0.1-1 part of tris-1-(2-methylaziridinyl) phosphine oxide, 3-8 parts of a conductive agent, 3-8 parts of absolute ethyl alcohol, 1-3 parts of potassium oxalate, and 10-15 parts of a binder. According to the invention, the cationic polymer and the tris-1-(2-methylaziridinyl) phosphine oxide are added on the basis of the chitosan and the clay minerals, the cationic polymer contains polynuclear olation complex ions with a high positive electrovalence, thus being able to closely adhering to the surface of clay to form a three-dimensional net structure, so multiple slightly oxidized pores are formed in the surface of the obtained carbon-based material in a carbonization process, and the finally obtained carbon-based anode material has good charge-discharge performance and cycle performance.Type: GrantFiled: November 25, 2021Date of Patent: December 31, 2024Assignee: Guangdong Kaijin New Energy Technology Co., Ltd.Inventors: Chuanchang Ge, Yongjun Yang
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Patent number: 12176553Abstract: A sealing device for a secondary battery, the sealing device configured to seal a sealing part of a pouch through which an electrode lead extends according to the present invention comprises: a lower sealing tool configured to receive the sealing part of the pouch seated thereon; and an upper sealing tool configured to press and seal the sealing part of the pouch, wherein the lower sealing tool comprises: a lower fixed block configured to receive the sealing part of the pouch seated on a top surface thereof; and one or more lower detachable blocks detachably coupled to the lower fixed block and configured to support a portion of the sealing part through which the electrode lead does not extend.Type: GrantFiled: March 27, 2020Date of Patent: December 24, 2024Assignee: LG Energy Solution, Ltd.Inventors: Do Hwa Jung, Chan Ki Park, Do Yeon Kwon, Sung Hwan Kim, Ho Young Kim
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Patent number: 12170357Abstract: A battery system includes: a plurality of battery cells, each of the battery cells having a venting side including a venting exit configured to allow venting products to exit the battery cells during a thermal runaway and a cooling side opposite the venting side; a cooling plate, the cooling side of the battery cells being in thermal connection with a first side of the cooling plate; and a battery housing enclosing the battery cells in a cell chamber. A guiding channel is formed between a second side of the cooling plate opposite the first side and a channel wall of the battery housing facing the second side of the cooling plate, and a passage fluidly connects the cell chamber and the guiding channel.Type: GrantFiled: February 16, 2022Date of Patent: December 17, 2024Assignee: SAMSUNG SDI CO., LTDInventors: Gernot Kraberger, Wolfgang Reinprecht, Michael Erhart
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Patent number: 12170368Abstract: A method of manufacturing a positive electrode active material for a lithium-ion secondary battery includes a water-washing step of washing a lithium-nickel composite oxide containing Li, Ni, and an element M with water, and conducting a filtration to form a washed-cake, a mixing step of mixing, while heating, the washed-cake and a tungsten compound without lithium while heating to obtain a tungsten mixture, and a heat treatment step of heat-treating the tungsten mixture, wherein a water content of the washed-cake is 3.0% by mass or more and 10.0% by mass or less, a ratio of a number of tungsten atoms contained in the tungsten mixture to a total number of nickel and the element M atoms contained in the lithium-nickel composite oxide is 0.05 at. % or more and 3.00 at. % or less, and a temperature of the mixing step is 30° C. or higher and 70° C. or lower.Type: GrantFiled: February 18, 2020Date of Patent: December 17, 2024Assignees: SUMITOMO METAL MINING CO., LTD., Panasonic Energy Co., Ltd.Inventor: Shuhei Oda
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Patent number: 12166180Abstract: This all-solid-state battery includes: a laminate; a positive electrode-side external electrode; and a negative electrode-side external electrode, in which the laminate includes a positive electrode layer and a negative electrode layer, in a plan view from a lamination direction of the laminate, the positive electrode layer includes a positive electrode main portion and a positive electrode auxiliary portion which protrudes from the positive electrode main portion and reaches a side surface, the negative electrode layer includes a negative electrode main portion and a negative electrode auxiliary portion which protrudes from the negative electrode main portion and reaches the side surface, and a length L1 of the positive electrode auxiliary portion on the side surface, a length L2 of the negative electrode auxiliary portion on the side surface, and a length L3 on the side surface satisfy a relation of 20 ?m?(L1+L2)<L3 (1).Type: GrantFiled: January 6, 2020Date of Patent: December 10, 2024Assignee: TDK CORPORATIONInventor: Kazumasa Tanaka
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Patent number: 12166174Abstract: A non-aqueous electrolyte secondary battery satisfies a relationship of an expression (I) “?0.19?x?(0.0061y+0.0212z)”. x [?mol/Ah] is a value obtained by dividing a total amount of substance of lithium fluorosulfonate included in the electrolyte solution, by the rated capacity. y [m2/Ah] is a value obtained by dividing a product of a BET specific surface area of the positive electrode active material particles and the total mass of the positive electrode active material particles included in the positive electrode plate, by the rated capacity. z [m2/Ah] is a value obtained by dividing a product of a BET specific surface area of the negative electrode active material particles and the total mass of the negative electrode active material particles included in the negative electrode plate, by the rated capacity.Type: GrantFiled: December 6, 2021Date of Patent: December 10, 2024Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Yoshikazu Miyachi, Kazunori Donoue, Shinya Miyazaki
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Patent number: 12159989Abstract: A power storage module includes: a plurality of power storage devices arranged in a first direction; and a separator provided between two adjacent power storage devices and insulating the two power storage devices from each other. The power storage device includes an exterior can that have an opening, a sealing plate that blocks the opening, and a joint part between the exterior can and the sealing plate. The separator includes a contact area that abuts a surface of the exterior can facing the first direction and a separation area that overlaps the joint part as viewed in the first direction and concaved with respect to the contact area in a direction away from the exterior can.Type: GrantFiled: November 26, 2019Date of Patent: December 3, 2024Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Shota Norimine, Mitsutoshi Tajima
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Patent number: 12155034Abstract: A battery includes a power generating element containing a solid electrolyte, and a first member in contact with a principal surface of the power generating element. The principal includes a central portion and an end portion with a ring-like shape surrounding the central portion in a plan view. The first member includes a central region overlapping with the central portion of the principal surface in a plan view, and an end region overlapping with the end portion of the principal surface in a plan view. At least one of the central region or the end region is in contact with the principal surface. A Young's modulus of the end region is smaller than that of the central region.Type: GrantFiled: June 7, 2021Date of Patent: November 26, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Izuru Sasaki
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Patent number: 12113233Abstract: A plate member is provided with a gas exhaust port, an opening, and a wall portion. The opening is formed in a bottom surface portion at a position facing an electrode terminal. The wall portion protrudes from the bottom surface portion at positions on outer sides with respect to the gas exhaust port in a width direction of the plate member, and discontinuously extends in a stacking direction of power storage cells. A flexible printed circuit board has a main body portion, and a connection piece portion that extends from the main body portion and is curved so as to be connected to a connection terminal. A first gap is formed between the main body portion and the connection piece portion. A first auxiliary wall portion is provided in the first gap, the first auxiliary wall portion protruding from the bottom surface portion and extending in the stacking direction.Type: GrantFiled: December 15, 2021Date of Patent: October 8, 2024Assignee: Prime Planet Energy & Solutions, Inc.Inventors: Yasumasa Kojima, Takashi Inamura, Takatoshi Kageyama
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Patent number: 12113242Abstract: A flexible printed circuit board is placed on a bottom surface portion and has an electric circuit electrically connected to a plurality of power storage cells. A connection terminal is provided on the flexible printed circuit board and is electrically connected to an electrode terminal. The flexible printed circuit board has a main body portion, and a connection piece portion that extends from the main body portion and is curved so as to be connected to the connection terminal. The connection piece portion includes a first straight portion extending straightly in a stacking direction of the power storage cells, and a second straight portion extending in parallel with the first straight portion with a gap being interposed between second straight portion and the first straight portion. The second straight portion is longer than the first straight portion.Type: GrantFiled: December 15, 2021Date of Patent: October 8, 2024Assignee: Prime Planet Energy & Solutions, Inc.Inventors: Takatoshi Kageyama, Yasumasa Kojima, Takashi Inamura
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Patent number: 11961973Abstract: The all-solid-state secondary battery of the disclosure comprises a positive electrode collector layer, a positive electrode layer, a solid electrolyte layer, a negative electrode layer and a negative electrode collector layer stacked in that order, wherein the positive electrode layer has a positive electrode active material layer and an insulating layer disposed around the perimeter edges of the positive electrode active material layer, and when the all-solid-state secondary battery is viewed from the stacking direction, the outer edges of the positive electrode active material layer on the solid electrolyte layer side are further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side, and the outer edges of the positive electrode collector layer are further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side.Type: GrantFiled: November 23, 2021Date of Patent: April 16, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Ryuto Sakamoto