Having Intercell Connector Patents (Class 429/158)
  • Patent number: 8859134
    Abstract: A battery connector includes: a plurality of terminals, each of which is to be connected to each electrode of a plurality of batteries; and a case which contains the plurality of terminals therein. The case includes a terminal fixing part in which the plurality of terminals are fixed, and an insulating cover which is supported to be displaced to a closing position at which an open face of the terminal fixing part is covered by the insulating cover. A wire guide is formed in an outer surface of the insulating cover in the closing position.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: October 14, 2014
    Assignee: Yazaki Corporation
    Inventors: Tomohiro Ikeda, Keizo Aoki, Yukihisa Kikuchi, Ryuta Takishita, Kaiho Ryu, Masaru Imai
  • Patent number: 8859133
    Abstract: A repeating frame assembly for a battery pack includes a first cooling frame member having a first electrically conductive connection terminal adjacent a first end of the first cooling frame member. The connection terminal includes a top leg forming at least a portion of the first surface of the first cooling frame member and a bottom leg forming at least a portion of the second surface of the first cooling frame member. A first electrically conductive tab of a first battery cell is attached to the top leg of the first electrically conductive connection terminal. A second battery cell may be contained within a second cooling frame member or a first spacer frame member having a second electrically conductive connection terminal adjacent a first end thereof for providing a compression joint having a low resistance electrical connection to the second tab of the first battery cell.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: October 14, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Andrew P. Oury, Daniel J. Casoli
  • Publication number: 20140302381
    Abstract: A battery unit includes a case accommodating an electrode assembly, the case having an opening and a cap plate for covering the opening, the cap plate having a terminal insertion portion. The battery unit further includes a terminal member inserted into the case through the terminal insertion portion from an outside of the case and coupled to the electrode assembly, the terminal member including a current collector electrically coupled to the electrode assembly; a terminal portion extending parallel to an upper surface of the cap plate to an outside of the cap plate; and a connection portion electrically coupled to the current collector and to the terminal portion. The battery unit further includes a fixing member in the terminal insertion portion and fixing the terminal member to the cap plate, the fixing member including injection-molded plastic resin in the terminal insertion portion and surrounding the terminal member.
    Type: Application
    Filed: October 8, 2013
    Publication date: October 9, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jang-Hyun Song, Yong-Sam Kim, Jong-Woo Nam
  • Publication number: 20140302380
    Abstract: A battery unit and a battery module including a plurality of battery units. A battery unit includes: a case accommodating an electrode assembly and having an opening; a cap plate covering the opening and having a terminal insertion portion penetrating the cap plate; a terminal member extending into the case through the terminal insertion portion to electrically expose the electrode assembly outside of the case; and a fixing member in the terminal insertion portion and fixing the terminal member to the cap plate, the fixing member being formed by an insert injection molding method in which a plastic resin is injected in the terminal insertion portion in a state in which the terminal member is inserted in the terminal insertion portion, the fixing member including a recessed portion that is recessed from an upper surface of the fixing member.
    Type: Application
    Filed: October 8, 2013
    Publication date: October 9, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventor: Jang-Hyun SONG
  • Publication number: 20140302360
    Abstract: An electrical energy accumulator and a method for manufacturing an electrical energy accumulator. Such an electrical energy accumulator, in particular, for an electric vehicle, has a plurality of battery cells which are electrically connected to one another. The battery cells are, in particular, flat and essentially plate-shaped, and are arranged in at least one stack adjacent to one another or one on top of another. The cell poles of at least two battery cells which are electrically interconnected to one another are connected to one another by at least one cell connector. At least one cell pole and at least one cell connector are connected to one another in particular by way of a clinching connection.
    Type: Application
    Filed: October 11, 2012
    Publication date: October 9, 2014
    Inventors: Kurt Klammler, Martin Michelitsch, Harald Stuetz, Dietmar Niederl, Oliver Urem
  • Publication number: 20140302379
    Abstract: A battery unit includes a case accommodating an electrode assembly and having an opening, and a cap plate cover the opening, and having a terminal insertion portion. The battery unit further includes a terminal member inserted into the case through the terminal insertion portion from an exterior of the case and coupled to the electrode assembly, the terminal member having a terminal portion, extending in a major side direction of the cap plate at an exterior of the cap plate, and being separated from an upper surface of the cap plate. The battery unit further includes a fixing member in the terminal insertion portion fixing the terminal member to the cap plate and having injection-molded plastic resin in the terminal insertion portion surrounding the terminal member; and a support member coupled to the cap plate and supporting the terminal portion with respect to the cap plate.
    Type: Application
    Filed: October 8, 2013
    Publication date: October 9, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jong-Woo Nam, Yong-Sam Kim, Jang-Hyun Song
  • Patent number: 8852790
    Abstract: A secondary battery including: a cell unit including at least one battery cell; a protection circuit module including a circuit board having at least one terminal hole and at least one electrode tab. The electrode tab includes an insertion plate that is inserted into the terminal hole, to electrically connect the cell unit and the circuit board. The insertion plate includes a locking wing.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: October 7, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Daeyon Moom
  • Publication number: 20140295243
    Abstract: What is described is a connector for producing an electrically conductive connection between at least three terminals of battery cells. The connector comprises at least three fastening regions, in which in each case one terminal of a battery cell can be or is fastened, and at least two electrically conductive connecting regions, wherein each of the connecting regions is arranged between a pair of the fastening regions, connects said pair conductively and surrounds a sub-region, which has a cross section perpendicular to a connecting line connecting the pair of fastening regions, the cross-sectional area of said cross section being reduced such that, in the event of an increased current flow in the sub-region, fusing of the sub-region takes place.
    Type: Application
    Filed: February 28, 2012
    Publication date: October 2, 2014
    Applicants: SB Limotive Germany GMBH, SB Limotive Company LTD.
    Inventor: Alexander Reitzle
  • Publication number: 20140295230
    Abstract: According to one embodiment, there is provided a negative electrode. The negative electrode includes a negative electrode layer. The negative electrode layer contains a titanium composite oxide and a carboxymethyl-cellulose compound. The carboxymethyl-cellulose has a degree of etherification of 1 or more and 2 or less. The negative electrode layer has a density of 2.2 g/cm3 or more.
    Type: Application
    Filed: March 7, 2014
    Publication date: October 2, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Mitsuru ISHIBASHI, Takuya Iwasaki, Kazuhiro Yasuda, Yorikazu Yoshida, Hiroki Inagaki, Norio Takami
  • Publication number: 20140295240
    Abstract: A battery device includes a bus bar having a coupling bus bars, a positive electrode bus bar and a negative electrode bus bar. The coupling bus bar includes: a positive electrode connection member arranged to sequentially connect positive electrode terminals of the respective batteries included in one battery array group; and a negative electrode connection member arranged to sequentially connect negative electrode surfaces of the respective batteries included in another battery array group. The positive electrode connection member is electrically connected with the negative electrode connection member. The positive electrode bus bar is arranged to sequentially connect specific positive electrode terminals in a specific battery array group, which are not connected by the coupling bus bar. The negative electrode bus bar is arranged to sequentially connect specific negative electrode terminals in a specific battery array group, which are not connected by the coupling bus bar.
    Type: Application
    Filed: March 13, 2014
    Publication date: October 2, 2014
    Applicants: KYOHO MACHINE WORKS, LTD., TOYODA GOSEI CO., LTD.
    Inventors: Shinichi TAKEDA, Jin KASUYA, Yoshiaki KAMEDA, Kosuke KUSABA, Masanori KODERA, Yukihiro ISOGAI, Kazuhiro NORO, Nobuyoshi FUJIWARA
  • Publication number: 20140295239
    Abstract: A battery cell, in particular a lithium ion battery cell, includes a housing and at least one electrode assembly in the housing. The electrode assembly includes electrode assembly electrodes that are arranged in more than two layers in a cross-section in the housing. The housing has at least two housing elements that substantially separate the electrode assembly from the environment. A first housing element is electrically connected to the positive pole of the electrode assembly and a second housing element is electrically connected to the negative pole of the electrode assembly such that the battery cell is configured to be electrically contacted at the first housing element and at the second housing element. A battery or a battery cell module includes several of the battery cells. A method is implemented to produce the battery cell and a motor vehicle includes the battery cell.
    Type: Application
    Filed: May 29, 2012
    Publication date: October 2, 2014
    Applicants: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventor: Karsten Haug
  • Publication number: 20140295251
    Abstract: A manufacturing method for an electrode terminal connection body includes applying a press processing to a plate member formed of the same kind of metal as a metal of a positive electrode terminal so as to form a mounting hole, slicing a covered metal rod more thickly than the plate member so as to form a covered metal member, the covered metal rod being configured to include an interposing layer formed of a metal that has an ionization tendency between the metal of the positive electrode terminal and the metal of a negative electrode terminal in the outer periphery of a metal rod formed of the same kind of metal as a metal of the negative electrode terminal and to have a diameter smaller than the mounting hole, and inserting the covered metal member into the inside of the mounting hole and simultaneously crushing the covered metal member.
    Type: Application
    Filed: March 13, 2014
    Publication date: October 2, 2014
    Applicant: Hitachi Metals, Ltd.
    Inventors: Toshiyuki HORIKOSHI, Kotaro TANAKA, Takumi SATO, Kenichi MURAKAMI
  • Patent number: 8846239
    Abstract: A battery module includes a plurality of rechargeable batteries having terminals, bus bars electrically connecting the terminals of the rechargeable batteries, connection parts protruding from the bus bars, and transmission wires electrically connecting the connection parts to a battery management system (BMS), the transmission wires being configured to transmit voltages of the rechargeable batteries to the BMS.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: September 30, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Shi-Dong Park, Tae-Yong Kim, Myung-Chul Kim
  • Patent number: 8846240
    Abstract: A battery cell interconnect and voltage sensing assembly and method are provided. The assembly includes a frame member having a rectangular ring-shaped peripheral wall with first, second, third and fourth wall portions. The frame member further includes a central plate portion. The assembly further includes an electrical interconnect member electrically that is coupled to an electrical terminal of a battery cell. The electrical interconnect member has a tab that extends through an aperture in the central plate portion. The assembly further includes a circuit board and an encapsulation portion that is bonded to and covers a side of the circuit board.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: September 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Robert Merriman, Bryan Symons
  • Patent number: 8846231
    Abstract: A battery module of the present invention is adaptable to be utilized in various configurations including and not limited to an overlapping battery cell packaging configuration and a vertical stack battery cell packaging configuration used in an automotive and non-automotive applications. The battery module has a plurality of battery heatsink assemblies with the cells disposed therebetween. A plurality of rods extend through the each heatsink assemblies to secure the heatsink assemblies and the cell with one another to form the battery module.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: September 30, 2014
    Assignee: Enerdel, Inc.
    Inventors: Derrick S. Buck, Robert N. Fattig, Bruce J. Silk
  • Publication number: 20140272541
    Abstract: A battery assembly can be formed on a base layer provided on a substrate, with a thin film battery stack including an anode layer, a cathode layer, and an electrolyte layer between the anode and cathode layers. The thin film battery stack can be attached to a pattern film layer with holes for electrical connection to the anode and cathode layers.
    Type: Application
    Filed: September 27, 2013
    Publication date: September 18, 2014
    Applicant: Apple Inc.
    Inventors: Lili Huang, Richard M. Mank
  • Publication number: 20140272514
    Abstract: A battery module is provided. The battery module includes a plurality of battery cell assemblies configured to electrically communicate with each other. Each battery cell assembly has an electrode stack enclosed by a case. The electrode stack is positioned in the case to form one or more peripheral spaces between the electrode stack and the case. Support members are positioned adjacent to each of the battery cell assemblies to contact a desired portion of the electrode stack. The support members are configured to focus a compressive force on a desired portion of the electrode stack. The compressive force urges gases formed during operation of the electrode stack into the peripheral spaces within the case.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Yue Qi, John Moote, Qian Lin, Stephen J. Harris
  • Publication number: 20140255750
    Abstract: A battery pack with a compact and robust bus bar assembly is provided. The batteries within the pack are divided into groups, where the batteries within each battery group are connected in parallel and the groups are connected in series. A repetitive sequence of overlapping bus bars is used, with each bus bar comprised of upper and lower segments coupled together via a step segment. The overlapping design allows the upper surface of the upper segment of each of the repetitive bus bars to be aligned within an upper plane, and the lower surface of the lower segment of each of the repetitive bus bars to be aligned within a lower plane.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 11, 2014
    Applicant: ATIEVA, INC.
    Inventors: James Jan, Richard J. Biskup, Benson Tsai, Peter Dore Rawlinson
  • Publication number: 20140255762
    Abstract: Disclosed is a secondary battery including a plurality of electrode assemblies. The secondary battery includes a first electrode assembly including a first cathode, a first separator and a first anode, and a second electrode assembly including a second cathode, a second separator and a second anode, wherein, When an electrode plate area of the second electrode assembly is smaller than that of the first electrode assembly, a cross-sectional thickness of the second electrode assembly is larger than that of the first electrode assembly.
    Type: Application
    Filed: May 21, 2014
    Publication date: September 11, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sun Woo LEE, Hyun Jong YANG, Jae Dong CHANG
  • Publication number: 20140255748
    Abstract: A battery pack has bus bars at one end, freeing the other end of the battery pack for cooling or other arrangements. A plurality of battery cells has first terminals of the battery cells at first ends of the battery cells. Portions of second terminals of the battery cells are at the first ends of the battery cells. The first ends of the battery cells are in a coplanar arrangement. A plurality of bus bars is assembled proximate to the first ends of the battery cells. The bus bars are coupled to the first terminals and the second terminals of the battery cells at the first ends of the battery cells to place the battery cells in one of a series connection, a parallel connection or a series and parallel connection.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 11, 2014
    Applicant: Atieva, Inc.
    Inventor: Atieva, Inc.
  • Patent number: 8828587
    Abstract: An energy store device, especially for a motor vehicle, includes at least two energy sources, which are connected via an electrical connection, and at least one safety element, the safety element being deformable and/or expandable in order to sever the electrical connection between the energy sources. In a method for severing electrical connections of an energy store device having at least two energy sources, a short-circuit risk is determined with the aid of at least one determination device, a propellant is activated following a determination result of the determination device, and at least one safety element is deformed and/or expanded by the activation of the propellant, in order to sever at least one electrical connection of the energy store device.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: September 9, 2014
    Assignee: Volkswagen AG
    Inventor: Andreas Deyda
  • Patent number: 8828586
    Abstract: There are provided a rechargeable battery pack, which, upon connecting a plurality of rechargeable battery cells, forms a strong binding force between the cells and reduces the volume of the cells, and a connection tab used for the same. A rechargeable battery pack comprises: a first unit cell and a second unit cell connected in series/parallel to form a core pack and formed as a rechargeable battery; and a connection tab connected to the case of the first unit cell to protrude to the opposite side of the case, coupled to a cap plate protruding from the second unit cell toward the first unit cell, and connected to a protection circuit.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: September 9, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Sang-Hun Park
  • Patent number: 8828585
    Abstract: Disclosed herein are an equal distribution type connecting member for connecting two or more devices to an external circuit, the connection member including a first connection circuit connected to a connection point of the external circuit, and second connection circuits sequentially connected to the first connection circuit, the second connection circuits being constructed in a structure in which the sectional areas of the second connection circuits are increased and/or the lengths of the second connection circuits are decreased with the increase of the connection distance between the connection point of the external circuit and connection points of the devices, thereby equalizing internal resistances between the connection point of the external circuit and the connection points of the devices, and a middle- or large-sized battery pack including the same.
    Type: Grant
    Filed: September 29, 2007
    Date of Patent: September 9, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jin Woong Ha, JaeSeong Yeo, Yongshik Shin, Jeeho Kim
  • Patent number: 8822063
    Abstract: A battery, in particular a lead-acid rechargeable battery, having at least one battery cell connecting element, which has a connector, which has at least one side surface, for connection to at least one plate on a lower face of the connector, and a welding lug, which is electrically conductively connected to the connector and has a recess which is bounded by a boundary, wherein, in a section which is adjacent to the side surface of the connector, the boundary has a profile which corresponds to a contour of the side surface of the connector.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: September 2, 2014
    Assignee: Johnson Controls Autobatterie GmbH & Co. KGAA
    Inventors: Dirk Oldenburg, Peter Streuer
  • Patent number: 8822061
    Abstract: A battery module includes a plurality of unit batteries, each including a positive terminal and a negative terminal which protrude outside of each unit battery and which have bent terminal portions, and a connection member which electrically connects the unit batteries with each other and which includes a fixing plate fixed to the bent terminal portions of adjacent unit batteries by welding so as to improve productivity and provide high stability.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: September 2, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Sam Kim, Sang-Won Byun, Byung-Kyu Ahn
  • Publication number: 20140242428
    Abstract: The invention provides for a high occupancy or heavy-duty vehicle with a battery propulsion power source, which may include lithium titanate batteries. The vehicle may be all-battery or may be a hybrid, and may have a composite body. The vehicle battery system may be housed within the floor of the vehicle and may have different groupings and arrangements.
    Type: Application
    Filed: April 30, 2014
    Publication date: August 28, 2014
    Applicant: PROTERRA INC.
    Inventors: Michael Walker, Dale HILL, Donald MORRIS
  • Publication number: 20140242445
    Abstract: A lithium-ion battery is provided that has a fast charge and discharge rate capability and low rate of capacity fade during high rate cycling. The battery can exhibit low impedance growth and other properties allowing for its use in hybrid electric vehicle applications and other applications where high power and long battery life are important features.
    Type: Application
    Filed: December 30, 2013
    Publication date: August 28, 2014
    Applicant: A123 SYSTEMS, LLC
    Inventors: Antoni S. GOZDZ, Andrew C. CHU, Ricardo FULOP, Yet-Ming CHIANG, Gilbert N. RILEY, JR., Roger LIN
  • Publication number: 20140242446
    Abstract: A single cell for a battery includes two housing parts, a cell frame, an electrode foil stack situated between the housing parts, and an insulating element situated between the housing parts. The insulating element electrically separates the two housing parts from one another. The insulating element has dimensions such that in the assembled state of the single cell the insulating element projects, at least in part, beyond a first housing part at the edge, forming a projection. The first housing part is enclosed, at least in part, by the insulating element at an edge.
    Type: Application
    Filed: July 18, 2012
    Publication date: August 28, 2014
    Applicant: Daimler AG
    Inventors: Claus-Rupert Hohenthanner, Rainer Kaufmann, Silvio Lieb, Jens Meintschel, Dirk Schroeter
  • Patent number: 8815431
    Abstract: A battery unit module and a battery module package including the battery unit module are disclosed. The battery unit module includes: a secondary battery; a unit case accommodating the secondary battery; and an electrode terminal electrically coupled to the secondary battery, the electrode terminal including a positive electrode terminal and a negative electrode terminal, and exposed outside of the unit case, wherein the positive electrode terminal and the negative electrode terminal have cross-sections that are asymmetrical with respect to each other, and wherein a securing means is formed on at least one of the positive electrode terminal and the negative electrode terminal.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: August 26, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Yup Han, No-Hyun Kwak
  • Patent number: 8815429
    Abstract: A battery system comprises a plurality of battery subunits, each subunit comprising a heatsink and at least one battery cell with a positive terminal and a negative terminal; where each heatsink has a respective busbar support mounted to it, and each busbar support includes first and second slots through which, respectively, a positive and a negative terminal of the at least one battery cell for that subunit passes, wherein a first busbar is located above and held at least in part by the first busbar support and is electrically connected to the negative terminal passing through the first slot in the first busbar support; and a second busbar is located above and held at least in part by the first busbar support and electrically connected to the positive terminal passing through the second slot in the first busbar support.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: August 26, 2014
    Assignee: A123 Systems LLC
    Inventors: Jonathan E. Hostler, Mujeeb Ijaz, Shazad M. Butt
  • Publication number: 20140227580
    Abstract: An electrical energy storage and/or generation device with an architecture including a stack of electrical storage and/or generation elements, such as microbatteries. An electrical connection is not made between the different stacked elements during manufacture, but subsequently with assistance of an electronic control unit to configure, in series and/or in parallel, all or a proportion of the elements, and to configure electrical outputs of the device, such as the electrical voltage or the storage capacity.
    Type: Application
    Filed: May 11, 2012
    Publication date: August 14, 2014
    Applicant: Commissariat a l'energie atomique et aux ene alt
    Inventors: Sami Oukassi, Raphael Salot
  • Publication number: 20140227581
    Abstract: Disclosed is a cell including: a closed-end tubular case for accommodating a power generation element; a lid for the case; a terminal electrode disposed outside of the case and used for connection with another cell; an extraction electrode passing through the lid and used to extract power of the power generation element to the outside of the case; and a stepped connection electrode disposed outside of the case, the stepped connection electrode having a first flat portion to which the terminal electrode is connected and a second flat portion which is located at a level different from the level of the first flat portion and to which the extraction electrode is connected. The first and second flat portions have regions overlapping each other as viewed in a direction orthogonal to the thickness of the first and second flat portions.
    Type: Application
    Filed: August 29, 2011
    Publication date: August 14, 2014
    Inventor: Hiroshi Ohta
  • Publication number: 20140227576
    Abstract: A single cell for a battery includes an electrode stack situated within a cell housing formed from two electrically conductive shell-shaped housing side walls situated essentially in parallel opposite one another, having a shell flange extending around the edges. The shell flanges are joined to one another to form a flange area and are electrically insulated from one another. Pole contact tabs of the electrode stack are connected electrically connected to the housing side walls. At least one of the housing side walls has a section protruding, at least in parts, beyond the flange area of at least one housing edge of the cell housing. The protruding section of the housing side wall is angled in the direction of a cell interior and in the direction of a shell base of the housing side wall, and in the angled state protrudes beyond the shell base by a predetermined amount.
    Type: Application
    Filed: July 18, 2012
    Publication date: August 14, 2014
    Applicant: Daimler AG
    Inventors: Jens Meintschel, Dirk Schroeter
  • Patent number: 8802259
    Abstract: Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: August 12, 2014
    Assignee: LG Chem, Ltd.
    Inventors: BumHyum Lee, Jin Kyu Lee, MinJung Kim, Jong Moon Yoon, DalMo Kang
  • Patent number: 8802275
    Abstract: A battery module includes a plurality of unit cells, each unit cell having a first terminal and a second terminal, the plurality of unit cells including at least a first unit cell and a second unit cell, and a bus bar electrically connecting the first terminal of the first unit cell to one of the first and second terminals of the second unit cell, the bus bar including an insertion part therein, the insertion part being configured to receive a sensing member and connect the sensing member to the bus bar.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: August 12, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventor: Dukjung Kim
  • Patent number: 8802264
    Abstract: A weld-free, frameless battery design is provided. The design reduces the number of parts and the weight of the battery pack, simplifies the assembly operation, and keeps the battery pack reparable and remanufacturable with minimal effort and cost. The battery pack includes a stack of battery cells and cooling fins, and a removable restraint is placed around the stack. The positive and negative tabs of the battery cells comprise a pair of sub-tabs which are bent over the faces of the cell. One type of cell can have an extended portion on one of the positive and one the negative sub-tabs which are on opposite faces of the cell. The sub-tabs are used to make the necessary series and parallel connections.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: August 12, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Yhu-Tin Lin, Andrew H. Leutheuser
  • Publication number: 20140220418
    Abstract: A battery module includes a casing and a plurality of battery cells installed in the casing. The casing includes a sloping side panel. Widths of the casing along a first direction become narrower gradually towards a second direction that is substantially perpendicular to the first direction. The plurality of battery cells is arranged in a plurality of columns. The plurality of columns of battery cells becomes shorter gradually towards the second direction. Each column of battery cells abuts the sloping side panel.
    Type: Application
    Filed: January 22, 2014
    Publication date: August 7, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: JEN-JUNG HSIAO
  • Publication number: 20140220420
    Abstract: A power supply device includes: a battery assembly including stacked battery cells and electrodes of the battery cells, the electrodes of the adjacent battery cells being arranged to face each other; a connecting portion of an electric wire for voltage detection directly connected to a pair of the electrodes of the adjacent battery cells arranged to face each other; and an insulating block body disposed on a side on which the electrodes of the battery assembly project, including the electric wire for voltage detection wired in the insulating block body, and configured to hold the connecting portion of the electric wire for voltage detection.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Applicant: YAZAKI CORPORATION
    Inventors: Nobuaki YOSHIOKA, Kazuaki KAI
  • Publication number: 20140220419
    Abstract: A power supply device includes a terminal including an electrode connection part having first and second surfaces directed to opposite sides each other, a first battery cell arranged on one side based on a position of the electrode connection part, and a second battery cell arranged on the other side based on the position of the electrode connection part and stacked on the first battery cell. The first battery cell has a first electrode arranged to be superposed on the first surface of the electrode connection part. The second battery cell has a second electrode arranged to be superposed on the second surface of the electrode connection part.
    Type: Application
    Filed: April 9, 2014
    Publication date: August 7, 2014
    Applicant: YAZAKI CORPORATION
    Inventors: Nobuaki YOSHIOKA, Kazuaki KAI
  • Publication number: 20140220421
    Abstract: Provided is an assembled battery with which a wasted space can be reduced and having a large energy density. The assembled battery including a first laminated battery provided to a plurality of current collectors, a second laminated battery provided to a plurality of current collectors, and a connecting portion that bundles and connects the plurality of current collectors provided to the first laminated battery and the plurality of current collectors provided to the second laminated battery, wherein the plurality of current collectors provide to the first laminated battery and the plurality of current collectors provided to the second laminated battery are laminated and bundled in the connecting portion, and a lamination direction of the plurality of current collectors in the connecting portion and a lamination direction of the plurality of current collectors in each laminated battery are intersecting with each other.
    Type: Application
    Filed: October 6, 2011
    Publication date: August 7, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Tsujiko, Michiyuki Ide
  • Patent number: 8795875
    Abstract: Disclosed herein is a battery pack having a plurality of battery cells electrically connected to each other, the battery cells being chargeable and dischargeable, wherein the battery pack includes two or more kinds of battery groups having different capacities or sizes, wherein each of the battery groups includes two or more battery cells having the same capacity or size, the battery cells in each of the battery groups are connected in series to each other, and the battery cells between the battery groups are connected in parallel to each other.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: August 5, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jong Woo Lee, Woo Yeol Kim, Il Hoon Choi, Ye Ran Kang
  • Patent number: 8795881
    Abstract: A terminal of a rechargeable battery having a case and an electrode assembly inside the case includes a current collecting terminal electrically connectable to the electrode assembly inside the case and for protrusion outwardly from the case, a terminal plate for positioning outside the case, the terminal plate being coupled to the current collecting terminal, and a contact spring for positioning between the outside of the case and the terminal plate, the contact spring being coupled to the current collecting terminal, the contact spring having a predetermined region extending through the terminal plate.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: August 5, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventor: Dukjung Kim
  • Patent number: 8795874
    Abstract: A battery pack including a stack, the stack including a plurality of cells having different polarities at top and bottom surfaces thereof, the plurality of cells being arranged such that at least two cells are arranged along a short axis of the stack when viewed from top or bottom surfaces of the cells, and center connecting lines of adjacent cells along a long axis of the stack are other than perpendicular to the short axis; and conductive plates electrically connecting the plurality of cells to each other, each of the conductive plates including connection parts electrically connected to the cells and a linking part between the connection parts, wherein each of the connection parts includes at least two welding points and a line connecting the welding points, the line being parallel with the short axis of the stack.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: August 5, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kwangsoo Bae
  • Publication number: 20140212733
    Abstract: The present invention provides a nanostructured metal oxide material for use as a component of an electrode in a lithium-ion or sodium-ion battery. The material comprises a nanostructured titanium oxide or vanadium oxide film on a metal foil substrate, produced by depositing or forming a nanostructured titanium dioxide or vanadium oxide material on the substrate, and then charging and discharging the material in an electrochemical cell from a high voltage in the range of about 2.8 to 3.8 V, to a low voltage in the range of about 0.8 to 1.4 V over a period of about 1/30 of an hour or less. Lithium-ion and sodium-ion electrochemical cells comprising electrodes formed from the nanostructured metal oxide materials, as well as batteries formed from the cells, also are provided.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 31, 2014
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Christopher S. JOHNSON, Hui XIONG, Tijana RAJH, Elena SHEVCHENKO, Sanja TEPAVCEVIC
  • Publication number: 20140212732
    Abstract: Disclosed is a bus bar module and a power source unit capable of reducing manufacturing cost thereof. A bus bar module (1) includes a plurality of bus bars (3) arranged in line so as to connect a plurality of batteries (3) in series; a plurality of housings (50) housing each of the bus bars (3) and each including a placement part (51) on which each of the bus bar (3) is placed; a pair of opposite walls (52) upstanding from the placement, part (51) and opposed to each other, a continuing wall (52) continuous wish the pair of opposite walls (52), and an opening (54) located opposed to the continuing wall (53); and a flat circuit board (4) connected to each of the bus bars (3) and arranged in an arrangement direction X of the bus bars (3), the flat circuit board (4) being, with a width direction thereof along an upstanding direction of the pair of opposite walls (52), attached to the housings (50) so as to cover the opening (54).
    Type: Application
    Filed: January 13, 2014
    Publication date: July 31, 2014
    Applicant: YAZAKI CORPORATION
    Inventors: Yoshiaki Ichikawa, Hiroyuki Kato, Yoshikazu Ezuka
  • Patent number: 8790814
    Abstract: An inorganic material based surface-mediated cell (SMC) comprising (a) a cathode comprising a non-carbon-based inorganic cathode active material having a surface area to capture and store lithium thereon; (b) an anode comprising an anode current collector alone or both an anode current collector and an anode active material; (c) a porous separator; (d) a lithium-containing electrolyte in physical contact with the two electrodes, wherein the cathode has a specific surface area no less than 100 m2/g which is in direct physical contact with said electrolyte to receive lithium ions therefrom or to provide lithium ions thereto; and (e) a lithium source. This inorganic SMC provides both high energy density and high power density not achievable by supercapacitors and lithium-ion cells.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: July 29, 2014
    Assignee: Nanotek Instruments, Inc.
    Inventors: Yanbo Wang, Guorong Chen, Zhenning Yu, Bor Z. Jang, Aruna Zhamu
  • Publication number: 20140205889
    Abstract: A battery module includes a first battery cell, a second battery cell, and a terminal connection member connecting the first and second terminal portions together, and including: a first contact portion, the first contact portion having a first facing portion contacting the first terminal portion, a second contact portion, the second contact portion having a second facing portion contacting the second terminal portion, the second facing portion being spaced apart from the first facing portion in a first direction, an outermost portion of the first contact portion being spaced apart in the first direction from an outermost portion of the second contact portion by a first distance, and a support portion, the support portion extending in the first direction between the first contact portion and the second contact portion, the support portion having an overall length in the first direction that is greater than the first distance.
    Type: Application
    Filed: December 13, 2013
    Publication date: July 24, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Young-Deok KIM, Jeong-Joo LEE
  • Publication number: 20140205888
    Abstract: A battery module includes a plurality of overlapping rechargeable batteries arranged in one direction, each rechargeable battery including at least one terminal protruding outside, and a plurality of bus bars electrically connecting terminals of different rechargeable batteries of the plurality of rechargeable batteries, the bus bar including a bent band in surface contact with and electrically connected to a respective terminal.
    Type: Application
    Filed: July 2, 2013
    Publication date: July 24, 2014
    Inventor: Duk-Jung KIM
  • Patent number: 8785035
    Abstract: A composition for making a contact contains predetermined amounts of cobalt and sulfur and has a predetermined average particle size. The composition for making the contact includes a nickel-cobalt alloy containing 20% by weight to 55% by weight of cobalt, and 0.002 part by weight to 0.02 part by weight of sulfur with respect to 100 parts by weight of the nickel-cobalt alloy, the composition having an average particle size of 0.10 ?m to 0.35 ?m. The contact made with the composition may be included in a connector.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: July 22, 2014
    Assignee: OMRON Corporation
    Inventors: Kuniyoshi Maezawa, Yoko Ishikawa
  • Publication number: 20140199580
    Abstract: To provide an electronic device having high capacity and high reliability. To provide an electronic device with a small size which can be provided indoors even when it has high capacity. The electronic device includes a plurality of battery cells connected in series. The plurality of battery cells each include a first electrode, a second electrode, and an electrolytic solution between the first electrode and the second electrode. A reaction product, which grows from a surface of the first electrode when a current is supplied between the first electrode and the second electrode, is dissolved from its tip or surface by applying a signal to supply a current reverse to the current. The electronic device is stored in an underfloor space surrounded by a base and a floor of a building.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 17, 2014
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventor: Shunpei YAMAZAKI