With Control Means Responsive To Battery Condition Sensing Means Patents (Class 429/61)
  • Patent number: 11448703
    Abstract: A state of charge (SOC) estimation method of a battery including: an SOC estimation device estimation mode checking step of checking an operation mode of an SOC estimation device; and an SOC estimation step of estimating an SOC of the battery according to an estimation mode of the SOC estimation device checked in the SOC estimation device operation mode checking step. The SOC estimation step estimates an SOC based on any one of an open circuit voltage during charging, an open circuit voltage during discharging, and an average open circuit voltage according to an estimation mode of the SOC estimation device.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: September 20, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Bo Mi Lim
  • Patent number: 11444360
    Abstract: A fusing system for a brick of lithium ion battery in a battery module is provided where the fusing system has a combination of low-voltage fuses and a high-voltage fuse. The low-voltage fuse can have one or more fusing elements in a springy spiral configuration or a straight configuration with the fuse element encapsulated.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 13, 2022
    Inventor: Robert Clinton Lane
  • Patent number: 11437687
    Abstract: A power unit made up of a weld-free assembly of a plurality of battery cells having positive and negative contact surfaces, respectively, on the two opposing front ends thereof, the cells being mechanically juxtaposed and parallel with one another, the unit including: a bottom plate having metal contact zones capable of ensuring electrical and optionally thermal connection with the bottom metal base of a cell; a top plate having metal contact zones for ensuring electrical connection with the top cap of a cell; means for connecting with the top caps of the cells, which are resiliently deformable in an axial direction relative to the orientation of the cells.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: September 6, 2022
    Assignee: Pymco Technologies
    Inventors: Pierre-Yves Gilton, Marc Nguyen
  • Patent number: 11424508
    Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly; a casing which accommodates the electrode assembly and has an opening; a cap assembly which is coupled through the opening and seals the casing; a spacer which is positioned between the electrode assembly and the casing and has multiple holes; and a vent member which is formed on a bottom surface of the casing which is positioned opposite to the opening.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 23, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myungjae Jang, Sangwon Byun
  • Patent number: 11424488
    Abstract: A problem of the present invention is to provide a rectangular secondary battery in which heat generation of a current collecting plate is suppressed. A rectangular secondary battery of the present invention which solves the above-described problem includes: a flat wound group which is obtained by winding a positive electrode and has a positive electrode metal foil-exposed portion; a battery can which stores the wound group; a battery lid which seals the battery can; a positive electrode external terminal which is provided on the battery lid; and a positive electrode current collecting plate which electrically connects the external terminal and the wound group. The positive electrode current collecting plate includes a fixed portion fixed on the battery lid, a welded portion welded on the metal foil-exposed portion of the wound group, and a joint connecting the fixed portion and the welded portion.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: August 23, 2022
    Assignee: Vehicle Energy Japan Inc.
    Inventors: Takeshi Sato, Hideki Shinohara, Akinori Tada
  • Patent number: 11424518
    Abstract: A cylindrical lithium battery having a positive pole and a negative pole at the same end, including a shell, a core in the shell, a cover and a recharging protection assembly mounted on top of the positive pole of the core, and is covered and fixed by the cover; the recharging protection assembly has an upper frame, a recharging protection panel, a lower frame, a positive pole nickel plate and a negative pole nickel plate; the recharging protection panel is disposed on the lower frame; a top surface of the recharging protection panel is welded with a gold-plated copper cap; one side of the recharging protection panel is provided with a USB charging port.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: August 23, 2022
    Inventors: Cheng Long, Peizhi Fan
  • Patent number: 11404754
    Abstract: A conductive member is disposed near a side of the sealing plate facing an electrode assembly with a first insulating member disposed therebetween. The conductive member has a conductive-member opening portion. The conductive member is connected to a positive electrode terminal that projects toward au outside of the battery from the sealing plate. The conductive-member opening portion of the conductive member is sealed by a deformation plate. The deformation plate is connected to a first positive-electrode current collector of a current collecting member, which is electrically connected to positive electrode plates. The deformation plate is deformed in response to an increase in pressure in a rectangular exterior body, and the conductive path between the positive electrode plate and the positive electrode terminal is broken in response to the deformation of the deformation plate. A cover is disposed between the first positive-electrode current collector and the electrode assembly.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: August 2, 2022
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Ryoichi Wakimoto, Hirofumi Furukawa, Hiroyuki Yamada
  • Patent number: 11398659
    Abstract: A battery block includes a plurality of cylindrical batteries, a battery holder having a plurality of accommodating parts into which axial one end portions of the cylindrical batteries are inserted, and a pair of terminal plates, that connect the cylindrical batteries in parallel. Each of the accommodating parts includes the partition wall formed along an outer peripheral surface of cylindrical battery, an extending portion that extends on the first end surface so as to surround a part of the first end surface on which the safety valve is disposed and is formed integrally with the partition wall, and an opening that exposes the part of the first end surface on which the safety valve is disposed.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: July 26, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Nobuyuki Nakasawa, Takeshi Enomoto, Takashi Hasegawa
  • Patent number: 11393643
    Abstract: An electrochemical device includes: an electricity storage device that includes a positive electrode, a negative electrode, a separator, and a plurality of lead plates electrically connected to the positive electrode or the negative electrode, the positive electrode and the negative electrode being stacked via the separator and wound; a connection plate having a first surface on a side of the electricity storage device and a second surface opposite to the first surface, the plurality of lead plates being stacked and welded to the first surface; a rupture disc connected to the second surface of the connection plate; and an insulator that abuts on a first area that is an outer peripheral area of the second surface and insulates the connection plate and the rupture disc from each other, the plurality of lead plates being welded to a second area opposite to the first area of the first surface.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: July 19, 2022
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Katsunori Yokoshima, Hiroto Mori
  • Patent number: 11380967
    Abstract: In the stacked battery, a short-circuit current shunt part is electrically connected to the electric elements, and an insulating layer of the short-circuit current shunt part is constituted of material having a predetermined melting point or glass transition temperature. When heat is excessively generated in the battery due to internal short circuits etc. and the temperature of the battery reaches the melting point of the insulating layer, the insulating layer melts and its shape is changed to short-circuit the short-circuit current shunt part, and current flows from the electric elements into the short-circuit current shunt part. To measure the current flowing into the short-circuit current shunt part makes it possible to easily grasp excessive heat generation of the battery to suppress deterioration of the battery due to heat generation.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: July 5, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hajime Hasegawa, Norihiro Ose, Hideaki Nishimura, Yuki Matsushita
  • Patent number: 11374291
    Abstract: A secondary cell includes an electrode body including a plurality of electrode groups each including a plurality of positive electrodes, a plurality of negative electrodes, and at least one separator, the positive electrodes and the negative electrodes each being alternately stacked on each other with the separator interposed in between; and at least one metal plate disposed between the electrode groups. Electrodes that are disposed at both ends of each of the electrode groups are the negative electrodes. The metal plate is in contact with a mixture layer of a negative electrode constituting at least one of the electrode groups, the metal plate being provided in a noncontact state with conductive members other than the mixture layer.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: June 28, 2022
    Assignee: Panasonic Holdings Corporation
    Inventors: Yuma Kamiyama, Kazuki Endo
  • Patent number: 11362532
    Abstract: Provided is a device including: a battery; a receiving terminal configured to receive power from an external device; a first path configured to supply a portion of the power received from the external device to the battery to charge the battery; and a second path configured to supply a portion of the power received from the external device to a heater to heat the heater.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: June 14, 2022
    Assignee: KT&G CORPORATION
    Inventor: Moon Bong Lee
  • Patent number: 11362395
    Abstract: The disclosure relates to an end cover assembly, a secondary battery, a battery pack and an electric device. An end cover assembly for a secondary battery includes: an end cover; a first terminal including a first connecting section and a second connecting section disposed along a radial direction; a second terminal including a third connecting section, a fuse section and a fourth connecting section sequentially connected along the radial direction; along an axial direction, orthographic projections of the first and third connecting sections at least partially overlap with each other, one of the first and third connecting sections is configured to connect with a busbar, the other is configured to connect with an electrode assembly, the fourth connecting section is configured to connect with the second connecting section; and an insulating component, at least a part of which is located between the first connecting section and the third connecting section.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: June 14, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Huaichao Tang, Wei Li, Kai Wu, Chengdu Liang
  • Patent number: 11361924
    Abstract: A relay unit includes: bus bars serving as conductive paths; relays including contact portions for turning on and off energization of the bus bars, and a plurality of terminals connected to the contact portions, the bus bars being fixed to the terminals; and heat dissipation members that are fixed to the terminals of the relays, receive heat of the terminals, and dissipate the heat.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: June 14, 2022
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuki Fujimura, Hitoshi Takeda, Ken Furusawa, Ryoya Okamoto, Hiroshi Shimizu
  • Patent number: 11355826
    Abstract: A collector that electrically connects tabs derived from electrode bodies and terminals of a battery to each other includes a first connection portion to which the conductive member on a tab side is connected, a second connection portion to which the conductive member on a terminal side is connected. The first connection portion and the second connection portion are connected by a connecting portion. The collector opposes the sealing plate with the insulating member in between, the second connection portion includes a fuse portion including a through hole between the conductive member connection portion on the terminal side and the connecting portion, and the fuse portion is disposed so as not to come in contact with the insulating member.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 7, 2022
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Ryoichi Wakimoto
  • Patent number: 11342622
    Abstract: Disclosed is a battery pack comprising: a plurality of battery cells, each including an upper surface through which a pair of electrode terminals are protruded, a lower surface facing the upper surface, and a pair of long side surfaces and a pair of short side surfaces among surfaces connecting the upper surface and the lower surface, the long side surfaces having a relatively large area, and the short side surfaces having a relatively small area; and a cell frame that receives the battery cells, exposes the upper surfaces of the battery cells, and includes side plates for supporting the short side surfaces of the plurality of battery cells and end plates positioned at opposite ends to support the long side surfaces of the battery cells, wherein the end plates include protrusions protruding in a direction opposite to a direction in which the end plates faces long side surfaces of the battery cells at the opposite ends; and a recess located between the protrusions, depressed in a direction of long side surface
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jang Hyun Song, Myung Chul Kim
  • Patent number: 11342618
    Abstract: A secondary battery including an electrode body including a positive electrode plate and a negative electrode plate; an exterior body that has an opening and houses the electrode body; a sealing body that seals the opening; a terminal that is provided in the sealing body, and connected to the positive electrode plate or the negative electrode plate; and a conductive member that is disposed on an outer side of the sealing body, and is connected to the terminal. The conductive member has an overlap section in which one end of a conductive plate-shaped member is folded and opposed surfaces are overlaid on other, and a base section in which no surfaces are overlaid on other, and the terminal is connected to the conductive member in the base portion.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: May 24, 2022
    Assignees: SANYO Electric Co., Ltd., Panasonic Holdings Corporation
    Inventors: Ryoichi Wakimoto, Eiji Hashimoto
  • Patent number: 11335938
    Abstract: A method of operating a redox flow battery string including at least first and second redox flow batteries and an outside power source includes: providing a least first and second redox flow batteries in a string electrically connected in a string, and each redox flow battery having a state-or-charge (SOC); obtaining an SOC value for each redox flow battery in the string; identifying a target SOC value in the string; and adjusting the SOC value for at least one of the first and second redox flow batteries to correspond to the target SOC value.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 17, 2022
    Inventors: Chenxi Sun, Jinfeng Wu, Liyu Li, Jacob Parks, David Ridley
  • Patent number: 11329332
    Abstract: A battery structure is provided. The battery structure includes a casing, a jelly roll assembly, electrodes, insulation and a thermal control feature. The casing includes an internal tube defining a central hole. The jelly roll assembly is disposed with an electrolyte in an annular space about the internal tube within the casing. The electrodes are electrically coupled to the jelly roll assembly and disposed to extend out of the casing. The insulation is disposed to insulate the jelly roll assembly and the electrodes from the casing. The thermal control feature is communicative with the central hole and configured to control battery structure temperatures proximate to the central hole.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: May 10, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Noah Singer, John S. Werner, Budy Notohardjono, Arkadiy O. Tsfasman, John Torok
  • Patent number: 11322809
    Abstract: A cell module stores electrical energy, a battery has such a cell module and a module housing for such a cell module. The module housing includes an internal space in which n cells each having at least one positive and at least one negative electrode are arranged. In this case, n?2 and the module housing here has at least three external electrical connection poles. The battery includes at least two such cell modules. The module housing includes at least three apertures through which electrical conductors are guided from the inside of the module housing to the outside.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: May 3, 2022
    Assignees: VARTA Microbattery GmbH, VW Kraftwerk GmbH
    Inventor: Konrad Holl
  • Patent number: 11316235
    Abstract: An electrode body including positive electrode plate and negative electrode plate includes a positive electrode tab portion at an end portion on the sealing plate side. The positive electrode plate is electrically connected to a positive electrode collector including a collector body portion and a collector connection. A pressure-sensitive current breaking mechanism includes a conductive member including an opening portion on an electrode body side, a deformation plate that seals the opening portion, and a collector body portion that is disposed on the electrode body side of the deformation plate and that is connected to the deformation plate. The collector connection is disposed between the current breaking mechanism and one of the large-area side walls of the prismatic outer package, and the positive electrode tab portion is connected to the collector connection.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: April 26, 2022
    Assignees: SANYO Electric Co., Ltd., Panasonic Corporation
    Inventors: Ryoichi Wakimoto, Kazuhiro Kitaoka, Isao Fujiwara, Hiromasa Yagi
  • Patent number: 11302995
    Abstract: The present disclosure provides a buffering member and a battery module, the buffering member comprises a first member and a second member. The first member comprises a first main body and a first connecting portion, the second member comprises a second main body and a second connecting portion. The first main body and the second main body face each other, and the first connecting portion is cooperated with and fixedly connected to the second connecting portion. Because the first member and the second member are independent members, and they can be formed by separately cutting a sheet. Because the first member and the second member each are small in size and simple in structure, and they can be rapidly formed by using less material, the whole structure of the buffering member is simple and the buffering member uses less material, thereby maximally improving the utilization rate of the sheet.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: April 12, 2022
    Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
    Inventors: Ruiqi Han, Liangyi Wang, Quan Yang, Lin Ma
  • Patent number: 11302955
    Abstract: A battery cell providing a coated lithium reference lead includes at least one anode layer, at least one cathode layer, and a reference lead. The reference lead includes a conductive wire, a layer of lithium metal coupled to the conductive wire, and a polymer coating that covers the layer of lithium metal. The reference lead is inserted into the battery cell with the at least one anode layer and the at least one cathode layer.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: April 12, 2022
    Assignee: CHONGQING JINKANG POWERTRAIN NEW ENERGY CO., LTD.
    Inventors: Brennan Campbell, Ying Liu, Yifan Tang
  • Patent number: 11302953
    Abstract: A main object of the present disclosure is to provide a stacked battery in which an unevenness of short circuit resistance among a plurality of cells is suppressed. The present disclosure achieves the object by providing a stacked battery comprising: a plurality of cells in a thickness direction, wherein the plurality of cells are electrically connected in parallel; each of the plurality of cells includes a cathode current collector, a cathode active material layer, a solid electrolyte layer, an anode active material layer, and an anode current collector, in this order; the stacked battery includes a surface-side cell that is located on a surface side of the stacked battery, and a center-side cell that is located on a center side rather than the surface-side cell; and a contact resistance between the cathode current collector and the anode current collector in the surface-side cell is more than a contact resistance between the cathode current collector and the anode current collector in the center-side cell.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: April 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hajime Hasegawa, Yuki Matsushita, Hideaki Nishimura, Yusuke Okuhata, Norihiro Ose, Mitsuru Tateishi, Shigetaka Nagamatsu, Takayuki Uchiyama, Shigenori Hama, Dai Kato, Naohiro Mashimo, Hideyo Ebisuzaki, Ayano Kobayashi, Hisataka Fujimaki
  • Patent number: 11302977
    Abstract: Disclosed is a secondary battery pack capable of improving process efficiency and reducing manufacture costs. The secondary battery pack includes a battery cell having an electrode terminal formed at a top end of a battery case; a protection circuit module having a battery cell connection terminal; and at least two terminal connection units having one end connected to the electrode terminal of the battery cell and the other end contacted and electrically connected to the battery cell connection terminal of the protection circuit module, wherein the battery case includes a battery can having an open top portion into which the electrode assembly is inserted, and a cap assembly coupled to the open top portion of the battery can, and wherein the cap assembly includes a body plate, and a connection slot is formed at a top surface of the body plate so that a portion of the terminal connection unit is inserted and accommodated therein to be electrically connected to the electrode terminal.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: April 12, 2022
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jung-Ho Oh, Byung-Dae Park, Ju-Hwan Baek
  • Patent number: 11296351
    Abstract: Energy storage devices, battery cells, and rechargeable batteries of the present technology may include an anode and a cathode. The battery cells may include a separator positioned between the anode and the cathode. The battery cells may include an electrolyte incorporated with the anode and the cathode. The battery cells may also include a pseudo-reference electrode at least partially in contact with the electrolyte. The pseudo-reference electrode may be electrically isolated from the anode and the cathode.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: April 5, 2022
    Inventors: Alexander A. Gorer, William A. Braff, Steven Kaye, Cory R. O'Neill
  • Patent number: 11296391
    Abstract: The present disclosure provides a secondary battery and an assembly therefor. The secondary battery includes: a cap plate provided with a first electrode terminal; electrode assemblies, each electrode assembly comprising a first electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further includes an insulating holding block connected with the first electrode terminal connecting portion and the first electrode tab connecting portion respectively, and the insulating holding block is configured to maintain the first electrode terminal connecting portion and the first electrode tab connecting portion in position relative to each other when the first fusing portion is fused.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: April 5, 2022
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jiajun Wang, Youlei Lai, Yulian Zheng, Peng Wang, Tianjun Xia
  • Patent number: 11289750
    Abstract: The present disclosure relates to the technical field of assembly of a battery pack, and particularly, to a battery pack. The battery pack includes a housing. A plurality of cells is arranged in interior of the housing. A structural adhesive is filled between a bottom of the housing and the plurality of cells, and the plurality of cells is adhered to the housing through the structural adhesive. In the battery pack provided in the present disclosure, the cells are arranged in the interior of the housing, and the housing is adhered to the cells through the structural adhesive. The structural adhesive can functions as fixing the cells, such that a frame structure of a module can be omitted, the number of components in the battery pack can be reduced, manufacture process can be reduced, assembling efficiency can be improved, and manufacturing cost can be reduced.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: March 29, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Linggang Zhou, Derong Wang, Yanhuo Xiang
  • Patent number: 11278837
    Abstract: A backpack dust collector includes a housing. The housing includes: a suction port; a dust collecting chamber connected to the suction port and configured to accommodate a dust collecting bag; a motor chamber connected to the dust collecting chamber and accommodating a fan and a motor; an exhaust port through which air from the motor chamber is discharged; first and second battery openings; and first and second battery receiving portions respectively corresponding to the first and second battery openings. At least part of the first battery opening is formed on a left side surface of the housing, and at least part of the second battery opening is formed on a right side surface of the housing.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: March 22, 2022
    Assignee: MAKITA CORPORATION
    Inventors: Takayuki Tahara, Makoto Hotta
  • Patent number: 11276887
    Abstract: A power supplier in one aspect of the present disclosure includes an outputter, a first pack parallel coupler, a second pack parallel coupler, an output voltage switch, and a controller. Each of the first pack parallel coupler and the second pack parallel coupler includes pack couplers. The pack couplers are configured to be coupled by battery packs. The output voltage switch is configured to switch an electrical coupling state between the second pack parallel coupler and the outputter. The controller is configured to determine an output mode of the outputter. The output mode corresponds to a magnitude of voltage to be outputted from outputter. The controller is configured to control the output voltage switch based on a result of determination.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: March 15, 2022
    Assignee: MAKITA CORPORATION
    Inventors: Takuya Umemura, Takayoshi Endo, Hironori Kandori
  • Patent number: 11258145
    Abstract: A method for producing a battery includes depositing, via sputter deposition, a coating on at least a portion of a cup shaped first housing part of the battery. The coating includes aluminium, chromium, tin, and/or an alloy having two or more of the group consisting of aluminium, chromium, and tin. The method also includes establishing an electrical connection between a current conductor of the battery and the cup-shaped first housing part of the battery and assembling the cup-shaped first housing part of the battery and a second housing part of the battery to form a housing of the battery. The housing has an interior space that includes a composite body including a positive electrode, a negative electrode, a separator, and the current conductor. The cup-shaped first housing part has a circular or oval bottom and a ring-shaped side wall.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: February 22, 2022
    Assignee: VARTA MICROBATTERY GMBH
    Inventors: Goran Kilibarda, Bernd Kreidler, Joachim Rieger
  • Patent number: 11245151
    Abstract: A battery module is provided that includes a module frame having a top and sides that extend down from two sides of the top. A cell-stacking structure is disposed between the sides of the module frame and include a plurality of stacked battery cells. A bottom plate is disposed under the cell-stacking structure and is bonded to the lower ends of the sides of the module frame.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: February 8, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Tae Hyuck Kim, Yun Ho Kim, Hae Kyu Lim, Yong Hwan Choi
  • Patent number: 11245163
    Abstract: A prismatic lithium ion battery cell includes a packaging having a cover. A power assembly disposed within the packaging has a first (e.g., negative) side and a second (e.g., positive) side. A terminal pad is electrically coupled to the first side, while the cover is electrically coupled to the second side, of the power assembly. The cover includes a spiral disk feature disposed below the terminal pad and a reversal disk disposed below the spiral disk feature. The reversal disk is configured to deflect upwards to displace the spiral disk feature to contact the terminal pad in response to a pressure within the packaging being greater than a first predefined pressure threshold, forming an external short-circuit between the first and second sides of the power assembly. Subsequently, a portion of the power assembly fails in response to the external short-circuit and interrupts current flow within the power assembly.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: February 8, 2022
    Assignee: CPS TECHNOLOGY HOLDINGS LLC
    Inventor: Xugang Zhang
  • Patent number: 11207963
    Abstract: A crossmember for a vehicle battery tray provides a beam that has a closed cross-sectional shape with a top wall coupled with parallel side walls along a length of the beam. A reinforcing top cap is disposed along the beam, where a C-shaped transverse cross-sectional shape of the top cap has a central section that disposed along the top wall and legs of the top cap welded to the side walls. The legs include inward angled tabs that are biased against the beam and welded thereto. The top wall of the beam and the central section of the top cap have aligned fastener openings disposed at spaced intervals along the length of the beam and configured to receive fasteners that secure at least one of a battery module or tray cover to the crossmember.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: December 28, 2021
    Assignee: Shape Corp.
    Inventors: Zehua Qin, Matthew Kuipers, Mark C. Stephens
  • Patent number: 11189890
    Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly includes: a cap plate including a main portion and a convex portion, the main portion including a first surface, a second surface and an electrode lead-out hole; an electrode terminal including an extension portion that extends beyond a hole wall of the electrode lead-out hole and extends in a circumferential direction of the electrode lead-out hole to form a ring structure, and the extension portion is arranged on a side of the first surface away from the second surface; and a sealing ring at least partially disposed between the extension portion and the main portion. The convex portion is disposed on the second surface and around the electrode lead-out hole, and a top surface of the convex portion extends out of the second surface.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: November 30, 2021
    Assignee: Contemporary Amperex Technology Co.. Limited
    Inventors: Huasheng Su, Shoujun Huang, Yulian Zheng
  • Patent number: 11183744
    Abstract: The present invention relates to a secondary battery that is capable of being improved in safety. Also, the secondary battery according to the present invention comprises a case accommodating an electrode assembly and an electrolyte, a lead part electrically connected to the electrode assembly and extending to the outside of the case, and a current interruption part disposed between the electrode assembly and the lead part to electrically disconnect the electrode assembly from the lead part at a predetermined temperature and a predetermined pressure.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 23, 2021
    Inventors: Su Hyun Kim, Song Taek Oh
  • Patent number: 11177538
    Abstract: The reliability of electrical connection between electrode terminals of power storage devices and bus bars can be improved. A bent portion that is provided on each bus bar is formed at a position shifted in the left-right direction from an intermediate position between one contact portion of two contact portions of the bus bar and the other contact portion positioned next to the one contact portion. In a bus bar housing portion, a beam portion on which a corresponding bus bar is placed is formed extending in the front-rear direction. Each beam portion is formed at a position shifted in the left-right direction from the bent portion in a state where the bus bar is housed in the bus bar housing portion.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: November 16, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Taiji Yanagida, Hiroki Shimoda, Yoshinori Ito
  • Patent number: 11171361
    Abstract: The present invention provides an electrolyte solution for a non-aqueous electrolyte battery capable of an exerting high average discharge voltage and an excellent low-temperature output characteristic at ?30° C. or lower and an excellent cycle characteristic and an excellent storage characteristic at high temperatures of 50° C. or higher, as well as a non-aqueous electrolyte battery containing the same. The present electrolyte solution comprises a non-aqueous solvent, a solute, at least one silane compound represented by the following general formula (1) as a first compound, and a fluorine-containing compound represented by the following general formula (3), for example, as a second compound.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 9, 2021
    Assignee: CENTRAL GLASS CO., LTD.
    Inventors: Makoto Kubo, Takayoshi Morinaka, Mikihiro Takahashi, Masutaka Shinmen, Wataru Kawabata, Hiroki Matsuzaki
  • Patent number: 11165271
    Abstract: A control device for controlling charging of a non-aqueous metal air battery, the control device being configured to: determine a CO2 concentration (Cx) and an increase rate (RCO2) of CO2 concentration in the battery, charge the battery in case both the CO2 concentration (Cx) before starting charging exceeds a predetermined CO2 threshold (CT) and the increase rate of the CO2 concentration (RCO2) during charging is below a predetermined threshold value (?CT/?AhT, ?CT/?t), and stop charging when the increase rate (RCO2) exceeds the predetermined threshold value (?CT/?AhT, ?CT/?t). Also, a corresponding method of controlling charging of a rechargeable battery.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: November 2, 2021
    Assignee: TOYOTA MOTOR EUROPE
    Inventors: Fanny Barde, Keita Komiyama
  • Patent number: 11158910
    Abstract: The disclosure provides a battery busbar including a conductive sheet, at least two bridge portions and at least two terminal contact portions. The conductive sheet has at least one cavity portion. Each of the at least two bridge portions has a first end and a second end which are opposite to each other, and the first ends of the bridge portions are respectively connected to different sides of the at least one cavity portion. The terminal contact portions are spaced apart from each other and are respectively connected to the second ends of the bridge portions. A width direction is defined to be substantially perpendicular to a line passing through the first end and the second end of one of the at least two bridge portions; along the width direction, a width of the bridge portion is smaller than a width of the terminal contact portion.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: October 26, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Ting Chen, Chein-Chung Sun
  • Patent number: 11155168
    Abstract: A storage device for storing electrical energy includes at least one storage cell which has a cell housing, a receiving chamber delimited by the cell housing, and at least one storage element accommodated in the receiving chamber for storing electrical energy, as well as a safety apparatus. The safety apparatus has a separating device as a first safety device designed to separate at least the storage cell from a circuit of the storage device, a short-circuit device as a second safety device designed to short-circuit at least the storage cell, and a degassing unit as a third safety device designed to degas the receiving chamber. The safety devices are designed to successively switch from a deactivated state into an activated state during a critical variation of the condition of the storage cell.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 26, 2021
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Azad Darbandi, Juergen Hildinger, Florian Schoewel, Wladislaw Waag
  • Patent number: 11145860
    Abstract: The present invention relates to a positive electrode for a secondary battery to improve stability during overcharge, and a lithium secondary battery including the same, and particularly, to a positive electrode for a secondary battery including a positive electrode active material layer formed on a positive electrode collector, wherein the positive electrode active material layer has a double-layer structure which includes a first positive electrode active material layer formed on the positive electrode collector and a second positive electrode active material layer formed on the first positive electrode active material layer, the first positive electrode active material layer includes a first positive electrode active material, a conductive agent, and a gas generating agent generating gas during overcharge, and the second positive electrode active material layer includes a second positive electrode active material, and a lithium secondary battery including the same.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: October 12, 2021
    Inventors: Kyung Min Lee, Jung Seok Choi, Kyung Min Kim, Song Taek Oh
  • Patent number: 11116255
    Abstract: A power supply unit of an aerosol generation apparatus includes: a power supply capable of discharging to a load for generating an aerosol from an aerosol source; a controller configured to control the power supply; and a housing configured to house the power supply and the controller. The controller is configured to detect at least one of leakage of a liquid inside the housing and entering of a liquid into the housing.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 14, 2021
    Assignee: JAPAN TABACCO INC.
    Inventors: Kazuma Mizuguchi, Manabu Yamada
  • Patent number: 11114874
    Abstract: A battery-and-handheld-seat assembling structure includes a handheld seat and a battery. A battery-and-charger assembling structure includes a battery and a charger. The battery is detachably mounted on the handheld seat or in the charger. The battery has two first grooves formed on two side surfaces. Each first groove has a transverse segment and a longitudinal segment connected to each other vertically or substantially vertically. The handheld seat has two first assembling segments. The charger has two third assembling segments. The first assembling segments or the third assembling segments are selectively mounted in the two transverse segments respectively. Each of the first assembling segments or each of the third assembling segments engages with or disengages from the corresponding first groove, thereby strengthening the connection between the battery with the handheld seat or the charger.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 7, 2021
    Inventor: Yu-Tang Lin
  • Patent number: 11095163
    Abstract: A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the power reception coil, so that a mode of receiving a wireless power signal and a mode of transmitting and receiving data are selectively performed, thereby preventing interference from harmonic components and enabling non-contact charging and electronic settlement using a single portable terminal. A jig for fabricating a core to be mounted to the non-contact power reception apparatus is provided.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: August 17, 2021
    Assignee: GE Hybrid Technologies, LLC
    Inventors: Chun-Kil Jung, Yoon-Sang Kuk
  • Patent number: 11075433
    Abstract: An exemplary embodiment of the present invention provides a rechargeable battery that can block a current of a cell without causing quality scatter by removing operating scatter of the overcharge safety device upon occurrence of overcharge in the cell.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 27, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Joonghun Kim
  • Patent number: 11075409
    Abstract: A main object of the present disclosure is to provide a stacked battery in which the unevenness of short circuit resistance among a plurality of cells is suppressed.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: July 27, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hajime Hasegawa, Yuki Matsushita, Hideaki Nishimura, Yusuke Okuhata, Norihiro Ose, Mitsuru Tateishi, Shigetaka Nagamatsu, Takayuki Uchiyama, Shigenori Hama, Dai Kato, Naohiro Mashimo, Hideyo Ebisuzaki, Ayano Kobayashi, Hisataka Fujimaki
  • Patent number: 11075434
    Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including uncoated region tabs that protrude toward one side of a coated portion; a case having a first length set in a first direction to receive the electrode assembly; a cap plate having a second length set in a second direction that crosses the first direction and a third length that is shorter than the first length and set in a third direction that crosses the second direction so as to be coupled corresponding to an opening of the case; an electrode terminal that is provided in a terminal hole of the cap plate; and a current collecting member that is disposed between the cap plate and the electrode assembly to connect the electrode terminal and the uncoated region tabs, and includes a fuse in a corresponding region of the electrode terminal, facing in the first direction.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 27, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myungjae Jang, Chiyoung Lee
  • Patent number: 11056753
    Abstract: A bus bar module is attached to a battery assembly having a plurality of single cells which are assembled to each other along a first direction. The bus bar module includes a circuit body, a bus bar, and a holder. The circuit body includes a main line that extends in the first direction, a branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position close to a distal end of the branch line rather than a folded portion of the branch line and configured to be connected to the bus bar.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: July 6, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Masahiro Takamatsu, Yoshiaki Ichikawa, Kimitoshi Makino, Makoto Kobayashi, Tomoji Yasuda
  • Patent number: 11038210
    Abstract: A battery system includes a cell, and an integrated circuit and flexible circuitry on and electrically isolated from a container of the cell. The flexible circuitry is arranged with the cell and integrated circuit to form a dipole antenna that wirelessly transmits signals from the integrated circuit.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: June 15, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Benjamin A. Tabatowski-Bush, John Paul Gibeau, Chingchi Chen