Patents Examined by Christopher P Domone
-
Patent number: 12206079Abstract: A waste lithium-ion battery roasting apparatus includes: a transport mechanism including a cylindrical body, the cylindrical body containing an internal atmosphere that is a reducing atmosphere or a low-oxygen atmosphere; a heating mechanism that heats an outer wall of the cylindrical body to increase an internal temperature of the cylindrical body, and controls heating temperatures individually at which the heating mechanism heats the outer wall at different respective positions in a transporting direction in which the transport mechanism transports a waste lithium-ion battery; and a controller that controls the heating temperatures, at which the heating mechanism heats the outer wall, in accordance with a transporting speed at which the transport mechanism transports the waste lithium-ion battery, such that a temperature increase rate of the waste lithium-ion battery transported inside the cylindrical body is a predetermined temperature increase rate.Type: GrantFiled: February 28, 2020Date of Patent: January 21, 2025Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Fuminori Ando, Hiroaki Osawa, Mariko Yamashita
-
Patent number: 12202171Abstract: A battery compartment battery lock mechanism (700) comprising a locking member (710) rotatably supported on a shaft (720) and comprising a leading edge portion (750) arranged to enter a recess (760) formed in a battery (220) to lock the battery in position, The leading edge portion (750) has an arcuate form with a curvature corresponding to that of a circle segment with radius corresponding to the distance from the leading edge portion (750) to the center of the shaft (720) The recess (760) formed in the battery (220) comprises a surface (770) arranged to engage the leading edge portion (750), wherein the surface (770) has an arcuate form to match that of the leading edge portion (750). The invention further comprises an electrically powered hand-held work tool comprising such a battery lock mechanism.Type: GrantFiled: November 25, 2020Date of Patent: January 21, 2025Assignee: HUSQVARNA ABInventor: Robert Lerbro
-
Patent number: 12199269Abstract: In an aspect, a Li-ion cell may comprise a densified electrode exhibiting an areal capacity loading of more than about 4 mAh/cm2. For example, the densified electrode may a first electrode part arranged on a current collector and a second electrode part on top of the first electrode part, the second electrode part of the at least one densified electrode having a higher porosity than the first electrode part of the at least one densified electrode. In some designs, the densified electrode may be fabricated by densifying electrode layers via a pressure roller while maintaining a contacting part of the pressure roller at a temperature that is less than a temperature of the second electrode part. In some designs, the applied pressure is a time-varying (e.g., frequency modulated) pressure. In some designs, a drying time for a slurry to produce the densified electrode may range from around 1-120 seconds.Type: GrantFiled: December 15, 2023Date of Patent: January 14, 2025Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Gene Berdichevsky
-
Patent number: 12191524Abstract: Rechargeable batteries and corresponding methods are provided, in which zinc dendrite growth to a compartment between a zinc-based anode and a separator of a rechargeable battery is limited, by preventing zincate anions from diffusing outside of the compartment. Separators limiting dendrite growth may comprise ion-selective membrane(s) configured to be permeable to charge transfer cations of the alkaline electrolyte and impermeable to hydrated zincate anions. The membrane(s) may be reinforced and/or support internal compartment(s) with electrolyte lacking zincate ions. More generally, separators are provided, which are permeable to charge transfer ions but impermeable to metal ions, and limit the latter to the anode compartment in which the metal ions may be deposited in a manner that does not form dendrites which can compromise the structural and functional integrity of the battery cell.Type: GrantFiled: December 3, 2019Date of Patent: January 7, 2025Assignee: PHINERGY LTD.Inventors: Aviel Danino, Ilya Yakupov
-
Patent number: 12191467Abstract: A battery module cooling structure includes a plurality of battery modules, a plurality of cooling blocks arranged adjacent to the battery modules to cool the battery modules, and a cooling passage which passes through the cooling blocks adjacent to each other and in which cooling water flows. Each of the cooling blocks includes an upper panel that closes an upper portion of the cooling block and forms an upper body, a lower panel that is spaced apart from the upper panel and closes a lower portion of the cooling block, and a side wall that extends along a periphery of the lower panel and has an end fixed to the upper panel.Type: GrantFiled: November 23, 2021Date of Patent: January 7, 2025Assignee: Hyundai Mobis Co., Ltd.Inventor: Young Bok Lim
-
Patent number: 12191485Abstract: The present invention relates to various lithium ion battery cathodes as well as lithium ion batteries incorporating one or more of these cathodes. The present invention further relates to processes of preparing the lithium ion battery cathode.Type: GrantFiled: June 3, 2021Date of Patent: January 7, 2025Assignee: The Curators of the University of MissouriInventors: Xinhua Liang, Yan Gao
-
Patent number: 12183897Abstract: There are provided a battery management apparatus, a battery management method and a battery pack. The battery management apparatus sets at least one of a plurality of external variables as a valid external variable for each internal variable using a plurality of input data sets associated with the external variables that can be observed outside a battery cell and a plurality of desired data sets associated with the internal variables that are not observed outside the battery cell.Type: GrantFiled: June 29, 2020Date of Patent: December 31, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventor: Bo-Mi Lim
-
Patent number: 12176485Abstract: A gel electrolyte and a separator are provided between the positive electrode current collector and the negative electrode current collector. The plurality of positive electrode current collectors and the plurality of negative electrode current collectors are stacked such that surfaces of negative electrodes with which active material layers are not coated or surfaces of positive electrodes with which active material layers are not coated are in contact with each other.Type: GrantFiled: December 26, 2023Date of Patent: December 24, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yumiko Yoneda, Masaki Yamakaji, Ryota Tajima, Masaaki Hiroki
-
Patent number: 12176516Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode active material layer including a lithium-cobalt composite oxide. The lithium-cobalt composite oxide has a layered rock-salt crystal structure. The negative electrode includes a negative electrode active material layer including graphite. When the secondary battery is charged and discharged with an upper limit of a closed circuit voltage being set to 4.42 V or higher, a unit capacity (mAh/g) satisfies a condition represented by 168 mAh/g?unit capacity (mAh/g)?(?0.28×area rate (%)+178) mAh/g.Type: GrantFiled: May 28, 2021Date of Patent: December 24, 2024Assignee: Murata Manufacturing Co., Ltd.Inventors: Takaaki Matsui, Futoshi Sato, Keitaro Kitada, Taichi Katsumoto, Takuma Kawahara, Yuta Hirano, Taichi Kogure, Kazuki Honda, Shinji Hatake, Takashi Sato, Naoko Yamakawa
-
Patent number: 12176563Abstract: A rechargeable energy storage system includes a plurality of battery cells and a wall structure disposed adjacent to the plurality of battery cells and having an inner layer and an outer layer. An interior reinforcement structure includes a first sheet metal member and a second sheet metal member each having a plurality of vertical sections and a plurality of horizontal sections. The first and second sheet metal members define an aligned load transfer section wherein one of the plurality of horizontal sections of the first sheet metal member is vertically aligned with one of the plurality of horizontal sections of the second sheet metal member. The first and second sheet metal members define a crush region wherein one of the plurality of horizontal sections of the first sheet metal member is vertically misaligned with all of the plurality of horizontal sections of the second sheet metal member.Type: GrantFiled: October 19, 2021Date of Patent: December 24, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jennifer L. Spangler, Travis W. Walker, James L. Veal, Jr., Dante C. Zuccaro
-
Patent number: 12176568Abstract: An embodiment of the present invention relates to a cylindrical lithium ion secondary battery. The technical problem to be solved is to provide a cylindrical lithium ion secondary battery which is designed such that a safety vent is formed and at the same time or afterwards excess metal can be guided to a curved portion adjacent to the safety vent, thereby enhancing the flatness of a can floor and reducing damage to the safety vent. To this end, the present invention provides a cylindrical lithium ion secondary battery comprising: a cylindrical can; an electrode assembly accommodated in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cylindrical can comprises a circular floor portion, a curved portion curved from the floor portion towards the electrode assembly, and a safety vent formed on the curved portion.Type: GrantFiled: October 19, 2023Date of Patent: December 24, 2024Assignee: Samsung SDI Co., Ltd.Inventor: Byoung Min Chun
-
Patent number: 12166213Abstract: The present application relates to an electrode sheet, a battery cell and a battery. The electrode sheet includes a current collector and a protective layer. The current collector includes a coated region provided with an active material layer and an uncoated region without being provided with the active material layer. The protective layer is provided on at least a part of a surface of the uncoated region, and has a porosity of 0% to 95%. For the electrode sheet according to the present application, by providing the current collector with the protective layer, the contact resistance may be increased when the electrode sheet is short-circuited, and the discharge power and the thermal runaway probability of the battery cell may be reduced when the battery cell is internally short-circuited, thereby improving the safety performance of the battery cell.Type: GrantFiled: March 26, 2019Date of Patent: December 10, 2024Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Qiang Zheng, Qi Dang, Zhanzhao Fang, Qiang Tao
-
Patent number: 12166218Abstract: One example of a flexible battery includes an electrochemical cell layer and a wrapping layer that wraps the electrochemical cell layer. The flexible battery further includes an energy absorbing layer. The energy absorbing layer is located between the wrapping layer and upper and lower surfaces, which are opposite to each other, of the electrochemical cell layer. The energy absorbing layer includes a plurality of supporting parts that protrude outward from the upper or lower surface of the electrochemical cell layer. The plurality of supporting parts are mainly made of a foam material or rubber. For the energy absorbing layer, a lower-modulus buffering layer or an empty part may be further disposed between the electrochemical cell layer and the wrapping layer, to complement a wavy surface of the supporting part to form a flat surface, so as to meet diversified requirements of a wearable device.Type: GrantFiled: December 17, 2019Date of Patent: December 10, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Fan, Wei Zhou, Yangxing Li, Pinghua Wang, Yong Cao
-
Patent number: 12166169Abstract: A solid electrolyte according to the present disclosure is represented by the following compositional formula (1). Li7-2x-zLa3(Zr2-x-zWxMz)O12??(1) In the formula (1), x and z satisfy 0.10?x?0.60 and 0.00<z?0.25, and M is at least one type of element selected from the group consisting of Nb, Ta, and Sb.Type: GrantFiled: March 9, 2021Date of Patent: December 10, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Hitoshi Yamamoto, Tsutomu Teraoka, Tomofumi Yokoyama
-
Patent number: 12166197Abstract: In an embodiment, a Li-ion battery cell comprises an anode electrode with an electrode coating that (1) comprises Si-comprising active material particles, (2) exhibits an areal capacity loading in the range of about 3 mAh/cm2 to about 12 mAh/cm2, (3) exhibits a volumetric capacity in the range from about 600 mAh/cc to about 1800 mAh/cc in a charged state of the cell, (4) comprises conductive additive material particles, and (5) comprises a polymer binder that is configured to bind the Si-comprising active material particles and the conductive additive material particles together to stabilize the anode electrode against volume expansion during the one or more charge-discharge cycles of the battery cell while maintaining the electrical connection between the metal current collector and the Si-comprising active material particles.Type: GrantFiled: November 15, 2023Date of Patent: December 10, 2024Assignee: Sila Nanotechnologies, Inc.Inventors: Gleb Yushin, Laura Gerber, Adam Kajdos, Justin Yen, Justin Doane, Jens Steiger
-
Patent number: 12166164Abstract: A method of manufacturing a pouch-type secondary battery comprising the steps of: (a) preparing an electrode assembly having a separator interposed between a positive electrode and a negative electrode; (b) forming a receiving part for the electrode assembly in a case made of a laminate sheet; and (c) manufacturing a battery cell by receiving the electrode assembly in the receiving part and thermally fusing the case, wherein the laminate sheet comprises an outer resin layer, a metal barrier layer and an inner resin layer, the inner resin layer comprising polypropylene or polyethylene, and a crosslinking agent.Type: GrantFiled: July 11, 2019Date of Patent: December 10, 2024Assignee: LG Energy Solution, Ltd.Inventors: Yong Su Choi, Sang Hun Kim, Hyung Kyun Yu
-
Patent number: 12160009Abstract: A battery cell includes an electrode assembly, a housing, a cover plate, and a support member. The housing includes a first electrode plate and a second electrode plate. At least a part of the first electrode plate is stacked with the second electrode plate. The housing is provided with an opening and an accommodation cavity configured to accommodate the electrode assembly. The housing includes a side plate. The cover plate is perpendicular to the side plate and configured to close the opening. At least a part of the support member is disposed between the side plate and the electrode assembly, and the support member is configured to support the electrode assembly so that a spacing between an end, facing the side plate, of the first electrode plate and the side plate in a first direction is greater than a preset value. The first direction being a direction perpendicular to the side plate.Type: GrantFiled: September 20, 2022Date of Patent: December 3, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventor: Wenwei Chen
-
Patent number: 12155057Abstract: The present invention relates an anode for a lithium secondary battery and a lithium secondary battery comprising same. The anode for a lithium secondary battery comprises a current collector; and an anode active material layer formed on the current collector and including a carbon-based anode active material, wherein the anode active material layer has a multi-layer structure of three or more layers and at least one layer of the anode active material layer is an oriented layer having a degree of divergence (DD) of 19 or greater, the DD being defined by the following formula 1: Degree of Divergence (DD)=(Ia/Itotal)*100??[formula 1] (In formula 1, Ia is a sum of peak intensities at non-planar angles measured by XRD using a CuK? ray, and, Itotal is a sum of peak intensities at all angles measured by XRD using a CuK? ray).Type: GrantFiled: April 17, 2020Date of Patent: November 26, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Jinhyon Lee, Hongjeong Kim, Hyeri Eom, Sangjun Lee, Daeseop Lim
-
Patent number: 12155090Abstract: A partition member has a thickness direction and a surface direction orthogonal to the thickness direction and partitions between unit batteries constituting an assembled battery in the thickness direction. The partition member comprises an exterior body including at least sealant resin layers and base material layers, and a liquid accommodated in the exterior body. The exterior body has a sealing portion in which the sealant resin layers are overlapped and joined in a region including an outer edge thereof. A width W (mm) of the sealing portion, a circumferential length L (mm) of the sealing portion, an average interval D (mm) between the two base material layers facing each other in the sealing portion, and a weight A (g) of the liquid satisfy Equation 1 below (L×D)/(W×A)?10.0??Equation 1.Type: GrantFiled: September 22, 2021Date of Patent: November 26, 2024Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Naoya Ninomiya, Naoto Maru, Tatsuhiko Honda
-
Patent number: 12148892Abstract: The present disclosure relates to a method of recovering a degenerated lithium battery cell, with the lithium battery cell being configured so that an electrode assembly including a positive electrode, a negative electrode and a separator interposed therebetween is impregnated with a non-aqueous electrolyte and embedded in a battery case, the method including: subjecting a lithium battery cell degenerated by 5% or more to a high temperature treatment for 1 to 6 hours at a temperature ranging from 60° C. to 100° C. in a fully discharged state.Type: GrantFiled: June 25, 2020Date of Patent: November 19, 2024Assignee: LG Energy Solution, Ltd.Inventors: Hyunjun Choi, Youngdeok Kim, Daesoo Kim