Patents Examined by Kiran Akhtar
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Patent number: 11374236Abstract: A redox flow battery may include: a membrane interposed between a first electrode positioned at a first side of the membrane and a second electrode positioned at a second side of the membrane opposite to the first side; a first flow field plate comprising a plurality of positive flow field ribs, each of the plurality of positive flow field ribs contacting the first electrode at first supporting regions on the first side; and the second electrode, including an electrode spacer positioned between the membrane and a second flow field plate, the electrode spacer comprising a plurality of main ribs, each of the plurality of main ribs contacting the second flow field plate at second supporting regions on the second side, each of the second supporting regions aligned opposite to one of the plurality of first supporting regions. As such, a current density distribution at a plating surface may be reduced.Type: GrantFiled: May 22, 2017Date of Patent: June 28, 2022Assignee: ESS TECH, INC.Inventors: Craig E. Evans, Sean Casey, Yang Song
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Patent number: 11367916Abstract: A modular cover for a battery system and a method for assembling the modular cover are disclosed. The apparatus can include a first modular segment and a second modular segment that are interconnected. The modular cover can be expanded in size for use with different types of battery systems and housings.Type: GrantFiled: September 21, 2017Date of Patent: June 21, 2022Assignee: ARTISAN VEHICLE SYSTEMS, INC.Inventors: Brian R. Huff, Michael E. Kasaba, Kyle Hickey
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Patent number: 11367905Abstract: The present invention relates to a method of preparing a secondary battery which includes providing a film layer, which includes a first solvent having a melting temperature of 25° C. or more and a viscosity of 1.5 cP or more, between a separator and an electrode (step 1), preparing an electrode assembly by using the electrode, the film layer, and the separator (step 2), and accommodating the electrode assembly in a case, injecting an injection solution including a second solvent, and sealing the case (step 3), and a secondary battery prepared by the method. According to the method of preparing a secondary battery of the preset invention, since electrolyte solution impregnability may be improved, performance and safety of the secondary battery may be further improved.Type: GrantFiled: March 30, 2017Date of Patent: June 21, 2022Inventor: Sung Hoon Yu
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Patent number: 11362388Abstract: A battery pack is provided with a plurality of battery blocks each including a peripheral surface on one end of which a first connector is provided, a connecting unit which connects a plurality of battery blocks to each other such that two first connectors are opposed to each other, and a second connector which fits in the two first connectors opposed to each other. The battery block is rotationally fixed to the connecting unit.Type: GrantFiled: November 13, 2015Date of Patent: June 14, 2022Assignee: Murata Manufacturing Co., Ltd.Inventors: Hiroshi Yusa, Hideo Uryu
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Patent number: 11362392Abstract: The present disclosure provides a battery pack and a device comprising the battery pack, the battery pack comprises a double-layer battery module bracket, an upper-layer battery module, a lower-layer battery module and a supporting mechanism; the double-layer battery module bracket comprises an upper plate; a lower fixing member, an upper fixing member and a fastener; the lower fixing member and the upper plate are configured to enclose a lower accommodating space; the upper fixing member and the upper plate being are configured to enclose an upper accommodating space, a lower portion of the fastener exposed from the lower fixing member is fixed on the supporting mechanism; the upper-layer battery module is accommodated in the upper accommodating space and supported on the upper plate; the lower-layer battery module is accommodated in the lower accommodating space; the supporting mechanism supports the lower-layer battery module and the lower fixing member.Type: GrantFiled: December 9, 2019Date of Patent: June 14, 2022Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Heng Wang, Jinqing Ji, Wenhui Zhang, Mu Qian, Yanhuo Xiang
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Patent number: 11362393Abstract: The present disclosure provides a battery pack and a device comprising the battery pack, the battery pack comprises a double-layer battery module bracket, an upper-layer battery module, a lower-layer battery module and a supporting mechanism; the double-layer battery module bracket comprises an upper plate; a lower fixing member, an upper fixing member and a fastener; the lower fixing member and the upper plate are configured to enclose a lower accommodating space; the upper fixing member and the upper plate being are configured to enclose an upper accommodating space, a lower portion of the fastener exposed from the lower fixing member is fixed on the supporting mechanism; the upper-layer battery module is accommodated in the upper accommodating space and supported on the upper plate; the lower-layer battery module is accommodated in the lower accommodating space; the supporting mechanism supports the lower-layer battery module and the lower fixing member.Type: GrantFiled: December 21, 2020Date of Patent: June 14, 2022Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Heng Wang, Jinqing Ji, Wenhui Zhang, Mu Qian, Yanhuo Xiang
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Patent number: 11289760Abstract: Disclosed are a battery protection structure, which is suitable for preventing deformation caused by physical stress at a coupling portion of a base plate and an end plate, which are stacked sequentially, and a battery module comprising the battery protection structure. The battery protection structure includes: a base plate located below a battery assembly and having a male screw member around the battery assembly; an end plate located at a side of the battery assembly on the base plate; and a reinforcing member provided below the end plate and located between a barrier of the end plate and a flange protruding from the barrier, wherein the male screw member passes through the reinforcing member and the flange, and a female screw is coupled to a male screw of the male screw member on the reinforcing member.Type: GrantFiled: July 18, 2016Date of Patent: March 29, 2022Assignee: LG CHEM, LTD.Inventors: Seung-Sik Yu, Sung-Jong Kim, Tae-Sung Kim, Jun-Yeob Seong
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Patent number: 11145926Abstract: Provided is a battery block for a vehicle. The battery block includes: a main body (10) provided with an installation space (11?) therein for receiving components; and an upper casing (50) mounted to an upper part of the main body (10), an inside of the upper casing mounted to an upper part of a vehicle battery (100), wherein the main body (10) is provided with at least one step (11) along a longitudinal direction of the main body (10) such that heights of opposite sides of the step (11) are different from each other. The main body (10) has a relatively short section with a same height, and therefore rigidity thereof is increased, whereby bending or torsion of the casing is reduced. Thus, durability of the battery block is improved.Type: GrantFiled: December 28, 2015Date of Patent: October 12, 2021Assignee: KOREA ELECTRIC TERMINAL CO., LTD.Inventors: Ja-Min Kim, Ki-Taek Kim
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Patent number: 11121434Abstract: A battery module according to the present disclosure includes a first busbar electrically connected to a first electrode lead of a first battery cell, a second busbar electrically connected to a second electrode lead of a second battery cell, a short part which moves to the first busbar and the second busbar and comes into contact with the first busbar and the second busbar by the application of an expansion force caused by volume increase of the first battery cell to electrically connect the first busbar to the second busbar, causing a short, and a cartridge which receives or supports at least part of the first electrode lead, the second electrode lead, the first busbar, the second busbar and the short part.Type: GrantFiled: May 24, 2018Date of Patent: September 14, 2021Assignee: LG Chem, Ltd.Inventors: Soon-Chang Hong, Hyo-Chan Kim, Hang-June Choi, Kye-Yeon Ryu
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Patent number: 11114720Abstract: A cylindrical battery housing case has a plurality of cylindrical battery housing chambers each housing one cylindrical battery, and a plurality of elongated resilient members each having a protrusion for holding a cylindrical portion of the cylindrical battery is formed in a cantilevered manner inside notches in a side wall of each of the cylindrical battery housing chambers.Type: GrantFiled: December 11, 2015Date of Patent: September 7, 2021Assignee: YAZAKI CORPORATIONInventors: Tomohiro Ikeda, Yoshiaki Ichikawa, Hirotaka Mukasa, Taishi Sakai
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Patent number: 11095003Abstract: Provided is an energy storage apparatus which includes: a plurality of energy storage devices arranged in a first direction; a plurality of bus bars electrically connecting the energy storage devices; and a bundle portion configured by bundling a plurality of electric wires connected to the energy storage device or the bus bar. The bundle portion is configured such that a base portion of the bundle portion is disposed at a position along the energy storage devices. The position is an intermediate position of the plurality of the energy storage devices in the first direction. The bundle portion is configured to change a direction thereof using the base portion as an initiation point.Type: GrantFiled: May 3, 2019Date of Patent: August 17, 2021Assignee: BLUE ENERGY CO., LTD.Inventor: Nobuyuki Naganawa
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Patent number: 11088428Abstract: A rechargeable battery includes an electrode assembly in a case, and a cap assembly coupled to the case, the cap assembly having a cap plate sealing the case, the cap plate including a short-circuit hole and a conductive groove surrounding the short-circuit hole, an inversion plate in the conductive groove of the cap plate, a connection plate covering the short-circuit hole of the cap plate, and a short-circuit member between the connection plate and the inversion plate, the short-circuit member at least partially passing through the short-circuit hole and contacting the connection plate.Type: GrantFiled: November 4, 2014Date of Patent: August 10, 2021Assignee: Samsung SDI Co., Ltd.Inventor: Wonjun Lee
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Patent number: 11081732Abstract: The secondary battery according to the present invention may comprise the separator pocket part having the accommodation groove in which the first electrode plate is accommodated and a radical unit provided as the second electrode plate disposed on one surface of the separator pocket part to secure the stacking property, safety, and insulation.Type: GrantFiled: November 4, 2016Date of Patent: August 3, 2021Inventors: Chang Bum Ahn, Dong Hee Sul, Young Joo Yang
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Patent number: 11069946Abstract: A rechargeable battery pack may improve safety of the rechargeable battery pack by interrupting a high voltage of a module when a defect of a unit cell occurs. A rechargeable battery pack includes: unit cells configured to be repeatedly charged or discharged; bus bars configured to electrically connect electrode terminals of the unit cells; a housing configured to accommodate the unit cells; a first final terminal and a second final terminal configured to draw respective electrode terminals provided at outermost unit cells of the unit cells out of the housing; and a high voltage interruption device configured to be provided at the first final terminal and to electrically connect or disconnect a high voltage line according to an internal pressure generated when a defect of a unit cell of the unit cells occurs.Type: GrantFiled: September 8, 2017Date of Patent: July 20, 2021Assignee: Samsung SDI Co., Ltd.Inventor: Dukjung Kim
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Patent number: 11063312Abstract: Provided is a cell in which the possibility of metallic foreign metal penetrating into an electrode assembly is reduced. The cell includes a rectangular cell case including a case main body and a lid member, an electrode assembly housed in the cell case, and an insulating film disposed between the cell case and the electrode assembly. The insulating film is in the form of a sheet, and is disposed between at least the electrode assembly and the bottom surface and the pair of long side surfaces of the cell case, and a pair of end portions of the insulating film in the height direction is located on the lid member side with respect to the electrode assembly. Incisions are provided in a thickness direction of the insulating film, and end portions with respect to the incisions constitute inclined surfaces which incline toward the electrode assembly side.Type: GrantFiled: November 18, 2019Date of Patent: July 13, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventors: Akira Saito, Fumihiko Ishiguro
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Patent number: 11043679Abstract: An electrode for use in an all-iron redox flow battery is provided. In one example, the electrode may include a plastic mesh; and a coating on the plastic mesh. The coating may be a hydrophilic coating or a conductive coating and the electrode may have an electrode reaction potential is less than 0.8V. Further, a method of manufacturing a coated plastic mesh electrode for use in an all-iron redox flow battery is provided. In one example method, the steps include fabricating a plastic mesh, treating the plastic mesh by applying a solvent treatment or a plasma treatment or a mechanical abrasion treatment; coating the plastic mesh with a material selected from: carbon inks, metal oxides, and hydrophilic polymers.Type: GrantFiled: December 30, 2015Date of Patent: June 22, 2021Assignee: ESS TECH, INC.Inventors: Craig E. Evans, Yang Song, Jeffrey Chen
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Patent number: 10991999Abstract: An energy storage system for a motor vehicle including an electric energy storage device and a housing-like carrier element for the energy storage device. A liquid heat-conducting medium is arranged in an intermediate space between the carrier element and the energy storage device by which the energy storage device is thermally coupled to the carrier element. A sealing element is provided extending between the carrier element and the energy storage device, which prevents the heat-conducting medium from flowing out from the intermediate space.Type: GrantFiled: September 15, 2017Date of Patent: April 27, 2021Assignee: AUDI AGInventors: Erdal Acikgoez, Mario Boehme
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Patent number: 10923729Abstract: A method of manufacturing a Lithium battery (100) with a current collector formed of pillars (11) on a substrate face (10), wherein the method comprises: forming elongate and aligned structures forming electrically conductive pillars (11) on the substrate face (10) with upstanding pillar walls extending from a pillar base to a pillar top; wherein the pillars are covered with a laminate comprising a first electrode (12), a solid state electrolyte layer (13); a second electrode layer (14), and a topstrate (20) forming an electrode part; and wherein at least one of the first electrode layer, second electrode layer and topstrate layer is non-conformally coated to prevent Lithium intercalation into the first or second electrode near the pillar base by limiting cracking at the pillar base when volume expansion/contraction of the electrode layers happens during the battery charge/discharge cycles.Type: GrantFiled: July 15, 2016Date of Patent: February 16, 2021Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Sandeep Unnikrishnan, Lucas A. Haverkate
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Patent number: 10916795Abstract: A battery module assembly, according to one embodiment of the present invention, comprises: a battery module including a base substrate and at least one battery cell, wherein a plurality of unit battery modules formed to surround a cell cover are stacked on the base substrate; and a battery case which is coupled to the base substrate, and which includes a first case surrounding the front surface of the battery module and a second case combined with the first case and surrounding a rear surface of the battery module. The present invention can effectively provide coupling reliability with an inner sensing membrane which is coupled to the battery module, and can seal the inside of the battery case by tightly combining the first case and the second case in a lateral direction.Type: GrantFiled: August 20, 2013Date of Patent: February 9, 2021Assignee: SK INNOVATION CO., LTD.Inventors: Deok Soo Kim, Kyoung Min Cho, Sung Chul Park
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Patent number: 10907436Abstract: An improved emergency power system is disclosed for providing electrical power to a load such as a blowout preventer of a petroleum drilling apparatus. The improved emergency power system comprises a thermal battery having an anode and a cathode with a separator containing an electrolyte disposed therebetween. An internal heat layer is located in proximity to the separator containing the electrolyte. A squib is provided for activating the internal heat layer. The thermal battery remains dormant until the squib is energized to ignite the squib enabling the heat layer to render the electrolyte molten thereby activating battery to provide electrical power to the load. The squib may be energized remotely, mechanically or electrically.Type: GrantFiled: July 21, 2016Date of Patent: February 2, 2021Assignee: ENERSYSInventors: Bradford A Wood, James K Pugh, Juan A Cubero