Individual Cells Connected In Repeating Contiguous Layered Units Patents (Class 429/152)
-
Patent number: 8227103Abstract: A battery pack includes a porous medium positioned in a case. The porous medium hold several batteries. The battery pack also includes terminals for accessing power from the batteries held by the porous medium. The terminals are accessible from outside of the case. The battery pack also includes a flame retardant absorbed into pores of the porous medium.Type: GrantFiled: February 25, 2009Date of Patent: July 24, 2012Assignee: Quallion LLCInventor: Hisashi Tsukamoto
-
Patent number: 8227106Abstract: Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells and two or more heat dissipation members, wherein the first heat dissipation member extends such that one side of the first heat dissipation member at least partially covers one outermost battery cell (a) of the battery module, and the other side of the first heat dissipation member is interposed between the inside battery cells, and the second heat dissipation member extends such that one side of the second heat dissipation member at least partially covers the outermost battery cell (a) while the second heat dissipation member is not overlapped with the first heat dissipation member, and the other side of the second heat dissipation member is interposed between the inside battery cells.Type: GrantFiled: December 17, 2009Date of Patent: July 24, 2012Assignee: LG Chem, Ltd.Inventors: Jin Kyu Lee, Hee Soo Yoon, Bumhyun Lee, Dal Mo Kang, Minchul Jang, Jongmoon Yoon
-
Publication number: 20120177977Abstract: A battery includes a stack of bipolar individual battery cells, each of which includes an electrode stack and two sheet metal covers bounding the individual battery cell at least in the stacking direction. The electrode stack is connected to at least one of the sheet metal covers by at least one weld. In the region of the at least one weld, the sheet metal cover welded to the electrode stack and/or the sheet metal cover of the adjacent individual battery cell in contact with the sheet metal cover is/are of a set-back design. As a result, the sheet metal covers of adjacent individual battery cells do not have any contact in the region of the at least one weld.Type: ApplicationFiled: July 3, 2010Publication date: July 12, 2012Applicant: Daimler AGInventors: Dirk Schroeter, Jens Meintschel, Martin Ertle, Rainer Kaufmann, Claudia Brasse, Claus-Rupert Hohenthanner, Joerg Kaiser
-
Publication number: 20120171549Abstract: An intercellular separation structure body capable of electrically connecting a plurality of unit cells that include a laminate type solid secondary battery with each other, and capable of ion-conductively insulating a positive electrode layer and a negative electrode layer in two adjacent unit cells, as well as a laminate type solid secondary battery provided with the same. The intercellular separation structure body is an intercellular separation structure body disposed between a plurality of unit cells each of which includes a positive electrode layer, a solid electrolyte layer, and a negative electrode layer that are sequentially stacked in a laminate type solid secondary battery. This intercellular separation structure body includes an insulating layer that electroconductively and ion-conductively insulates the plurality of unit cells from each other and an electroconductive section that is formed within the insulating layer and electrically connects the plurality of unit cells with each other.Type: ApplicationFiled: February 3, 2012Publication date: July 5, 2012Inventors: Masutaka Ouchi, Koichi Watanabe, Kunio Nishida, Hitomi Nishida, Takafumi Iwaguchi
-
Patent number: 8212522Abstract: A battery assembly having batteries connected in series to form rows and columns of battery cells into packs that combine the energy of multiple batteries. The battery cells are joined together to form columns of cells connected mechanically together by an exterior connection sleeve, and mechanically and electrically connected together by a conductive epoxy joining the end of one cell to the end of an adjacent cell in series. The columns of cells are mounted and held in place by racks, with bolts passing through the racks to form a sandwich structure that secures the position and orientation of the cells and columns, and that maintains the electrical connection between joined cells. Perpendicularly disposed to the direction of the columns are a series of conductive bands that join adjacent cells together along rows of cells.Type: GrantFiled: February 12, 2009Date of Patent: July 3, 2012Inventors: Larry L. Deal, Gary J. Gloceri, Adam G. Sciriha, Todd A. Kendall, Wayne B. Uhrick, Phillip Piatkowski, Jr., Leah M. Piatkowski, legal representative, Sarwar Islam, Ladislau M. Mako, Theodore L. Hoag
-
Publication number: 20120156547Abstract: A battery structure includes at least one electrode lamination layer, at least one first conductive member and at least one second conductive member. Each electrode lamination layer includes a plurality of first electrode layers, a plurality of second electrode layers and a plurality of insulating layers, wherein each insulating layer is disposed between any immediately-adjacent two of the first electrode layers and second electrode layers. The electrode lamination layer is disposed between the first conductive member and the second conductive member, wherein each first electrode layer or each second electrode layer is electrically connected with and substantially perpendicular to the first conductive member or the second conductive member.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Inventor: Chieh Chi CHEN
-
Patent number: 8202641Abstract: A flow battery electrode assembly with a first impermeable, substantially metal electrode, a second permeable, substantially metal electrode and at least one electrically conductive spacer. The electrically conductive spacer connects the first impermeable, substantially metal electrode and the second permeable, substantially metal electrode such that the first impermeable, substantially metal electrode and the second permeable, substantially metal electrode are spaced apart from each other by an electrolyte flow path.Type: GrantFiled: September 8, 2010Date of Patent: June 19, 2012Assignee: Primus Power CorporationInventors: Rick Winter, Brad Kell, Jonathan Hall, Gerardo Jose la O', Thomas Stepien
-
Patent number: 8197960Abstract: A battery module comprising: a plurality of battery cells of substantially rectangular parallelepiped shape; a first casing having a first holding section 42 that holds one end of the plurality of battery cells; a second casing having a second holding section 52 that holds the other end of the plurality of battery cells; and a plurality of insulating members arranged between the battery cells; wherein the battery cells are arranged lined up so that adjacent main walls thereof extending between the one ends and the other ends face each other and the plurality of insulating members are arranged in mutually separated fashion between the main walls.Type: GrantFiled: October 27, 2009Date of Patent: June 12, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Shinichiro Kosugi, Bruce Falls
-
Patent number: 8197962Abstract: In an assembled battery (2), batteries (3) are arranged in such a manner that sealing plates (13) for sealing openings of battery cases (10) face the same direction. Terminal (10) of first electrodes of the batteries (3) are connected to a first electrode connecting pieces (33) arranged near the sealing plates (13), and terminal (13) of second electrodes of the batteries (3) are connected to a second electrode connecting pieces (27) arranged near the sealing plates (13). The first electrode connecting pieces (33) are connected in parallel with each other, and the second electrode connecting pieces (27) are connected in parallel with each other. The first electrode connecting pieces (33) and the second electrode connecting pieces (27) are stacked on the sealing plates (13) with an insulating member (32) interposed therebetween.Type: GrantFiled: June 28, 2010Date of Patent: June 12, 2012Assignee: Panasonic CorporationInventors: Toshiki Itoi, Shunsuke Yasui, Hiroshi Takasaki
-
Publication number: 20120116189Abstract: A battery comprises a carrier foil, with solid state battery elements spaced along the foil and mounted on opposite sides of the foil in pairs, with the battery elements of a pair mounted at the same position along the foil. The carrier foil is folded to define a meander pattern with battery element pairs that are adjacent each other along the foil arranged back to back.Type: ApplicationFiled: November 2, 2011Publication date: May 10, 2012Applicant: NXP B.V.Inventors: Friso Jacobus Jedema, Willem Frederik Adrianus Besling, Freddy Roozeboom, René Wilhelmus Johannes Maria van den Boomen, Freek Egbert van Straten
-
Publication number: 20120107668Abstract: A prismatic battery cell or an electronic component comprising an electrode plate group of alternately stacked positive and negative electrode plates, wherein adjacent electrode plates of opposite polarity are insulated by an insulating separator, and electrode plates of one polarity are bent to converge at a common joining location for connecting together as a lead portion, the lead portion being joined together to a current collector of that one polarity, characterized in that the electrode plates are bent after the electrode plates are stacked and held or bundled together. Shaping the electrode plates to form the lead portions while the electrode plates are held in a stack means it is not necessary to handle pre-shaped electrode plates, since handling pre-shaped electrode plates in a production line could be tedious because the electrode plates are quite easily deformable.Type: ApplicationFiled: July 7, 2010Publication date: May 3, 2012Applicant: GP Batteries International LimitedInventors: Pui Tsang Peter Ling, Sung-On Andrew Ng
-
Patent number: 8168318Abstract: Concepts and methods are provided to reduce the cost and complexity of thin film battery (TFB) high volume manufacturing by eliminating and/or minimizing the use of conventional physical (shadow) masks. Laser scribing and other alternative physical maskless patterning techniques meet certain or all of the patterning requirements. In one embodiment, a method of manufacturing thin film batteries comprises providing a substrate, depositing layers corresponding to a thin film battery structure on the substrate, the layers including, in order of deposition, a cathode, an electrolyte and an anode, wherein at least one of the deposited layers is unpatterned by a physical mask during deposition, depositing a protective coating, and scribing the layers and the protective coating. Further, the edges of the layers may be covered by an encapsulation layer. Furthermore, the layers may be deposited on two substrates and then laminated to form the thin film battery.Type: GrantFiled: October 23, 2008Date of Patent: May 1, 2012Assignees: Applied Materials, Inc., Motorola Mobility, Inc.Inventors: Byung Sung Kwak, Nety M. Krishna, Kurt Eisenbeiser, William J. Dauksher, Jon Candelaria
-
Publication number: 20120100413Abstract: A secondary battery is provided that can be built into an assembled battery at lower cost than by building a secondary battery employing a laminate film into an assembled battery and that permits easy stacking. The secondary battery has: an electrode assembly including a positive electrode and a negative electrode; a package container including a package can in which the electrode assembly is housed and a lid member which seals an opening of the package can all around its circumference; and electrolyte liquid directly filling the housing container The outer bottom face of the housing container and the outer top face of the lid member are shaped such that one substantially fits into the other.Type: ApplicationFiled: October 12, 2011Publication date: April 26, 2012Applicant: SHARP KABUSHIKI KAISHAInventors: Satoshi OKANO, Yoshihiro TSUKUDA, Kazuo YAMADA
-
Patent number: 8163421Abstract: A rechargeable battery and a method of fabricating which includes stacking a plurality of electrode pages having an uncoated portion between portions coated with an active electrode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the electrode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of electrodes are desired to result in a battery cell having a vertical orientation.Type: GrantFiled: March 9, 2009Date of Patent: April 24, 2012Inventors: Tsun-Yu Chang, Chun-Chieh Chang, Han Cheng Kuo
-
Patent number: 8147997Abstract: A film-covered electrical device packaging system of the present invention includes frame member (10) which holds film covered battery (1) by an outer periphery portion of film covered battery (1) and which has a portion thicker than the thickness of power generation element (2), and in which waste gas channel (10i) is formed in a position corresponding to gas discharger (8), and first pressure plate (20) which sandwiches frame member (10), in which penetrating portion (22) is formed in a position corresponding to waste gas channel (10i), and in which gas guide groove (21) communicating from through holes (22) to sidewall face (24) is formed.Type: GrantFiled: October 10, 2006Date of Patent: April 3, 2012Assignees: NEC Corporation, Fuji Jukogyo Kabushiki KaishaInventor: Tadashi Shimamori
-
Patent number: 8142523Abstract: A method for making a battery is disclosed which comprises providing a plurality of Electrochemical Cell (EC) bundles; providing a current collecting terminal having first and second ends; electrically connecting the projections of the sheet like electrodes extending from one end a first EC bundle together via the first end of the current collecting terminal; electrically connecting the projections of the sheet like electrodes extending from one end of a second EC bundle together via the second end of the current collecting terminal such that the first and second EC bundles are mechanically and electrically connected together and form a string of at least two EC bundles; and folding the string of at least two EC bundles by bending the current collecting terminal connecting the at least two EC bundles together such that the first and second EC bundles are positioned in a side by side relationship.Type: GrantFiled: May 20, 2011Date of Patent: March 27, 2012Assignee: Bathium Canada Inc.Inventors: Nicolas Cyr, Martin Burns, Frederic Lague
-
Publication number: 20120070715Abstract: A bipolar secondary battery includes a power generating element in which a bipolar electrode and an electrolyte layer are stacked. The bipolar electrode includes a positive-electrode active material layer formed on one surface of a current collector and a negative-electrode active material layer formed on the opposing surface of the current collector. Peripheral edges of the bipolar electrode and electrolyte layer are bonded through a seal. Edges of the positive-electrode active material layer and the negative-electrode active material layer on opposite surfaces of a respective current collector are offset from each other. The edge of a seal portion facing an inner edge of the edges of the positive-electrode active material layer and the negative-electrode active material layer is positioned inside an outer edge of the edges of the positive-electrode active material layer and the negative-electrode active material layer.Type: ApplicationFiled: June 23, 2010Publication date: March 22, 2012Applicant: NISSAN MOTOR CO., LTD.Inventor: Motoharu Obika
-
Publication number: 20120068551Abstract: An electrical-energy storage device configured for use in a time-varying electromagnetic field, the storage device comprising: an electrode at least part of which is configured so as to hinder the ability of eddy currents induced by said field to circulate therein.Type: ApplicationFiled: May 19, 2010Publication date: March 22, 2012Applicant: ACCESS BUSINESS GROUP INTERNATIONAL LLCInventors: David Martin Pooley, Oleksandr Hoshtanar
-
Patent number: 8133605Abstract: The invention provides a method of manufacturing a power storage device which enables facilitation of manufacturing of the power storage device while a plurality of terminal portions are prevented from overlapping one another when viewed from a stacking direction. The method of manufacturing the power storage device including a plurality of electrode elements stacked with electrolyte layers interposed between them, the method includes a first step of forming the electrode element which has a generally rotationally symmetric outer shape when viewed from a stacking direction and includes a terminal portion protruding in an outward direction of the power storage device in an area of the outer shape, and a second step of stacking the plurality of electrode elements formed in the first step with the electrolyte layers interposed between them at varying angles in a stacking plane such that the terminal portions do not overlap one another when viewed from the stacking direction.Type: GrantFiled: October 22, 2007Date of Patent: March 13, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventor: Takashi Murata
-
Patent number: 8124276Abstract: A bipolar battery includes: a bipolar electrode composed, by forming a positive electrode active material layer 12 an one surface of a current collector and forming a negative electrode active material layer 13 on the other surface; and a separator 14 composed to be stacked alternately with the bipolar electrode, wherein, in a single cell layer 15 composed by including the positive electrode active material layer 12, the separator 14 and the negative electrode active material layer 13, which are adjacent to one another, a thickness of the separator 14 is 0.68 times or more to less than 1.0 times a thickness of the positive electrode active material layer 12, and is 0.68 times or more to less than 1.0 times a thickness of the negative electrode active material layer 13.Type: GrantFiled: November 9, 2006Date of Patent: February 28, 2012Assignee: Nissan Motor Co., Ltd.Inventors: Kyoichi Watanabe, Takaaki Abe, Takamitsu Saito, Osamu Shimamura, Kenji Hosaka, Hajime Sato, Hideaki Horie
-
Patent number: 8124262Abstract: A battery pack includes plural battery cells (1), and insulating separators (10) disposed between adjacent battery cells (1), where the plurality of battery cells are disposed in a stacked configuration with a prescribed gap between the adjacent battery cells. A separator (10) has plural gas channels that enable the flow of cooling gas. The gas channels have cooling gas entranceways and exit ways, which open at the sides of the battery block formed by the stacked battery cells. The separator 10 has cut sections formed to position the entranceways and exit ways of the gas channels inward from the sides of the battery block. This allows cooling gas near entranceways and exit ways to be smoothly introduced to, and exhausted from the gas channels, and reduces cooling gas pressure losses in those regions.Type: GrantFiled: October 23, 2008Date of Patent: February 28, 2012Assignee: Sanyo Electric Co., Ltd.Inventors: Wataru Okada, Shinsuke Nakamura
-
Patent number: 8119274Abstract: Provided is a stacked-type secondary battery comprising a battery cell formed by stacking a plurality of full cells having a structure of cathode/separator/anode or bicells having a structure of cathode(anode)/separator/anode(cathode)/separator/cathode(anode), as a unit electrode assembly, wherein a cathode active material and/or an anode active material in two or more unit electrode assemblies are configured to have a different composition to induce a voltage difference and separate electrode terminals are installed in a battery case according to the voltage difference to thereby simultaneously provide two or more voltages by a single battery.Type: GrantFiled: June 5, 2007Date of Patent: February 21, 2012Assignee: LG Chem, Ltd.Inventors: Hey Woong Park, Seungtaek Hong, Ra Young Hwang, Jisang Yu, John E. Namgoong
-
Publication number: 20120040233Abstract: A thin film solid state battery configured with barrier regions formed on a flexible substrate member and method. The method includes forming a bottom thin film barrier material overlying and directly contacting a surface region of a substrate. A first current collector region can be formed overlying the bottom barrier material and forming a first cathode material overlying the first current collector region. A first electrolyte can be formed overlying the first cathode material, and a second current collector region can be formed overlying the first anode material. The method also includes forming an intermediary thin film barrier material overlying the second current collector region and forming a top thin film barrier material overlying the second electrochemical cell. The solid state battery can comprise the elements described in the method of fabrication.Type: ApplicationFiled: October 27, 2011Publication date: February 16, 2012Applicant: Sakti3, Inc.Inventors: Hyoncheol KIM, Marc Langlois, Myoungdo Chung, Ann Marie Sastry, Yen-Hung Chen, Stephen Buckingham
-
Patent number: 8114536Abstract: Disclosed herein are a frame member including an upper frame member having one major surface to which a protection circuit module (PCM) is mounted, and a lower frame member coupled with the upper frame member, the upper and lower frame members being provided at opposite major surfaces thereof with semi-cylindrical battery receiving parts corresponding to outer surfaces of the cylindrical unit cells mounted between the upper and lower frame members, a spacer provided at opposite major surfaces of a rectangular frame with pluralities of semi-cylindrical battery receiving parts corresponding to outer surfaces of the cylindrical batteries, the battery receiving parts being partially open such that the battery receiving parts communicate with neighboring battery receiving parts on the same plane, and a battery pack including the frame member and the spacer.Type: GrantFiled: December 27, 2006Date of Patent: February 14, 2012Assignee: LG Chem, Ltd.Inventors: Dongha Kang, SungGeun Yoon, Jaesik Chung
-
Patent number: 8114537Abstract: Disclosed herein are a frame member including an upper frame member having one major surface to which a protection circuit module (PCM) is mounted, and a lower frame member coupled with the upper frame member, the upper and lower frame members being provided at opposite major surfaces thereof with semi-cylindrical battery receiving parts corresponding to outer surfaces of the cylindrical unit cells mounted between the upper and lower frame members, a spacer provided at opposite major surfaces of a rectangular frame with pluralities of semi-cylindrical battery receiving parts corresponding to outer surfaces of the cylindrical batteries, the battery receiving parts being partially open such that the battery receiving parts communicate with neighboring battery receiving parts on the same plane, and a battery pack including the frame member and the spacer.Type: GrantFiled: April 12, 2011Date of Patent: February 14, 2012Assignee: LG Chem, Ltd.Inventors: Dongha Kang, SungGeun Yoon, Jaesik Chung
-
Publication number: 20120028105Abstract: High performance battery packs are described especially for use in electric vehicles and plug-in hybrid electric vehicles. Based on high energy lithium ion battery designs, the battery packs can have pairs of parallel connected batteries to supply an energy capacity at full discharge of at least about 40 kilowatt-hours or in alternative embodiments a set of all series connected batteries that can produce at full discharge at least about 15 kilowatt-hours. In some embodiments, lithium rich positive electrode active materials can be used to faun the batteries in which the material comprises a composition approximately represented by a formula xLi2M?O3.(1?x)LiMO2 with x from about 0.05 to about 0.8.Type: ApplicationFiled: August 1, 2011Publication date: February 2, 2012Inventors: Sujeet Kumar, James P. Buckley
-
Publication number: 20120028088Abstract: The positive electrode substrate exposed portions or the negative electrode substrate exposed portions, or both, of an electrode assembly is split into two groups, and therebetween is disposed an intermediate member made of a resin material and holding one or more connecting conductive members. Collector members for the substrate exposed portions split into two groups is electrically joined by a resistance welding method to the substrate exposed portions split into two groups, together with the connecting conductive member(s) of the intermediate member. The resin material portion of the intermediate member protrudes, in the extension direction of the substrate exposed portions split into two groups, beyond the ends of the substrate exposed portions split into two groups and the ends of the collector member to a prismatic outer can. This structure enables enhanced resistance between the substrate exposed portions and the collector member and curbs variation in the welding strength.Type: ApplicationFiled: July 27, 2011Publication date: February 2, 2012Applicant: SANYO ELECTRIC CO., LTD.Inventors: Takayuki Hattori, Takenori Kimura, Yasuhiro Yamauchi, Toshiyuki Nohma
-
Publication number: 20120015234Abstract: A conventional, multilayer, all-solid-state, lithium ion secondary battery where an electrode layer and an electrolyte layer are stacked has a problem that it has a high interface resistance between the electrode layer and the electrolyte layer and has a difficulty in increasing the capacity of the battery. A battery has been manufactured by applying pastes of a mixture of an active material and a solid electrolyte to form electrode layers and baking a laminate of electrode layers and electrolyte layers at a time. As a result, a matrix structure including the active material and the solid electrolyte has been formed in the electrode layers, so that a battery with a large capacity and a reduced interface resistance between the electrode layer and the electrolyte layer has been successfully achieved.Type: ApplicationFiled: December 9, 2009Publication date: January 19, 2012Applicant: NAMICS CORPORATIONInventors: Shoichi Iwaya, Hiroshi Sato, Takayuki Fujita, Gou Toida
-
Publication number: 20120003506Abstract: An electrode assembly that includes a positive electrode assembly including a number of positive electrodes each having a positive electrode non-coating portion at a certain position, and a positive electrode tab coupling all the positive electrode non-coating portions, a negative electrode assembly including a plurality of negative electrodes each having a negative electrode non-coating portion at a certain position, and a negative electrode tab coupling all the negative electrode non-coating portions, and a separator disposed between each positive electrode and each negative electrode to insulate a region between the positive electrode and the negative electrode. The positive electrodes of the positive electrode assembly and the negative electrodes of the negative electrode assembly are stacked alternately.Type: ApplicationFiled: June 23, 2011Publication date: January 5, 2012Applicant: SAMSUNG SDI CO., LTD.Inventor: Hosik Shin
-
Publication number: 20110293992Abstract: A battery module comprising a plurality of battery cells arranged in a stacked configuration, each of the battery cells including a first terminal disposed on a first end of the battery cell and a second terminal disposed on a second end of the battery cell, wherein the first terminal of at least one of the battery cells is in direct electrical communication with the second terminal of another non-adjacent one of the battery cells.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.Inventors: Chih-Cheng Hsu, Rebecca S. Ratz
-
Patent number: 8067112Abstract: There is provided a stacked lithium secondary battery in which a plurality of cathode plates and a plurality of anode plates are alternatively facing each other, and its fabrication method. The method comprises adhering a plurality of anode plates to a portion of one surface of a separator onto which the anode plates are neighboring one another, adhering a plurality of cathode plates to a portion of the other surface of the separator onto which the cathode plates are neighboring one another, covering either the cathode or anode plates with the separator by folding the portion to which no electrode plate is adhered, successively folding the separator in a fixed one-direction along folding lines formed between the electrode plates to obtain a stacked body, and housing the obtained stacked body within a pouch, followed by injection of an electrolyte solution and packaging.Type: GrantFiled: January 27, 2004Date of Patent: November 29, 2011Assignee: Enerland Co., Ltd.Inventor: Whanjin Roh
-
Patent number: 8067111Abstract: A battery module having a battery cell assembly with a heat exchanger is provided. The assembly includes a first battery cell having a first side and a second side, and a second battery cell having a first side and a second side. The first side of the second battery cell contacts the second side of the first battery cell. The assembly further includes a heat exchanger. A first side of the heat exchanger contacts the second side of the second battery cell. The battery cell assembly further includes a third battery cell having a first side and a second side. The first side of the third battery cell contacts a second side of the heat exchanger. The heat exchanger removes heat energy from the first, second, and third battery cells to maintain the first, second, and third battery cells at substantially a desired temperature.Type: GrantFiled: June 30, 2008Date of Patent: November 29, 2011Assignee: LG Chem, Ltd.Inventors: William Koetting, Prabhaker Patil, Mohamed Alamgir, Martin Klein, Kwok Tom
-
Publication number: 20110281142Abstract: The present disclosure relates to a lithium-ion power battery. The lithium-ion power battery has a power density greater than or equal to 500 W/kg and includes at least one battery unit including a positive electrode and a negative electrode, a separator, an electrolyte solution, and an external encapsulating shell. The separator is sandwiched between the positive electrode and the negative electrode, and the electrolyte solution is filled between the positive electrode and the negative electrode. The positive electrode, the negative electrode, the separator, and the electrolyte solution are encapsulated in the external encapsulating shell. The positive electrode defines a plurality of first through-holes. The negative electrode defines a plurality of second through-holes corresponding to the first through-holes.Type: ApplicationFiled: December 30, 2010Publication date: November 17, 2011Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: XIANG-MING HE, JIAN-JUN LI, JIAN GAO, WEI-HUA PU
-
Publication number: 20110274963Abstract: 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: ApplicationFiled: March 1, 2011Publication date: November 10, 2011Inventor: Kwangsoo Bae
-
Patent number: 8039143Abstract: To provide an electrode unit for a prismatic battery capable of increasing the output of the battery while suppressing the battery internal resistance value and improving the degree of freedom of the size of the electrode plate. An electrode unit for a prismatic battery including an electrode group in which positive electrode plates and negative electrode plates in an almost rectangular shape are alternately stacked with separators interposed therebetween. In each of the positive electrode plate and the negative electrode plate, core material exposed portions are formed at least on two side edges. The positive electrode plates and the negative electrode plate are stacked such that their core material exposed portions are directed not to overlap each other in the stack direction.Type: GrantFiled: October 25, 2006Date of Patent: October 18, 2011Assignee: Panasonic EV Energy Co., Ltd.Inventors: Hideki Kasahara, Kiyoshi Hayashi
-
Publication number: 20110244307Abstract: The present disclosure relates to a lithium-ion battery. The lithium-ion battery includes a positive electrode, a negative electrode, a separator, an electrolyte solution, and an external encapsulating shell. The positive electrode and the negative electrode are stacked with each other and sandwich the separator. The electrolyte solution infiltrates between the positive electrode and the negative electrode. The positive electrode, the negative electrode, the separator, and the electrolyte solution are encapsulated into the encapsulating shell. The positive electrode defines at least one first through-hole. The negative electrode defines at least one second through-hole corresponding to the at least one first through-hole.Type: ApplicationFiled: December 30, 2010Publication date: October 6, 2011Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: XIANG-MING HE, JIAN-JUN LI, JIAN GAO, WEI-HUA PU
-
Publication number: 20110223451Abstract: A flow battery electrode assembly with a first impermeable, substantially metal electrode, a second permeable, substantially metal electrode and at least one electrically conductive spacer. The electrically conductive spacer connects the first impermeable, substantially metal electrode and the second permeable, substantially metal electrode such that the first impermeable, substantially metal electrode and the second permeable, substantially metal electrode are spaced apart from each other by an electrolyte flow path.Type: ApplicationFiled: September 8, 2010Publication date: September 15, 2011Applicant: PRIMUS POWER CORPORATIONInventors: Rick Winter, Brad Kell, Jonathan Hall, Gerardo Jose LA O'
-
Patent number: 8007936Abstract: An electric storage device 10 has a first electric storage component 29 and a second electric storage component 30. The first component 29 and the second component 30 are connected in parallel. A positive-electrode mixture layer 22 contains a lithium cobaltate to increase a capacity. A positive-electrode mixture layer 27 contains an activated carbon to increase an output. A current collector 16 having through holes 16a is provided between the layers 22 and 27. A positive electrode terminal 25 is connected to a positive-electrode current collector 21 of the first component 29 through an electricity supply path 24 provided with a resistor 23. By this configuration, the electric current flowing through the first electric storage component 29 can be restricted when the device is charged or discharged with high current.Type: GrantFiled: November 10, 2008Date of Patent: August 30, 2011Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Nobuo Ando, Kenji Kojima
-
Publication number: 20110206975Abstract: A non-aqueous electrolyte secondary battery including an electrode assembly, a non-aqueous electrolyte, and a substantially rectangular battery case for housing the electrode assembly and the non-aqueous electrolyte. The thickness ?, the width ?, and the height ? of the battery case satisfy the relation ?<???c. The electrode assembly includes a positive electrode, a negative electrode, and a porous heat-resistant layer disposed between these electrodes. The positive electrode includes a positive electrode active material layer, and the negative electrode includes a negative electrode active material layer. The ratio of the pore volume included in a predetermined area of the porous heat-resistant layer to the battery theoretical capacity is 0.18 to 1.117 ml/Ah. The predetermined area has the same area as the positive electrode active material layer. The porosity of the porous heat-resistant layer is 35 to 85%.Type: ApplicationFiled: April 19, 2011Publication date: August 25, 2011Applicant: PANASONIC CORPORATIONInventors: Hiroaki ICHINOSE, Masatoshi Nagayama
-
Patent number: 8003249Abstract: A stacked battery sealed by a film casing shows a raised degree of resistance against vibrations.Type: GrantFiled: November 26, 2008Date of Patent: August 23, 2011Assignee: NEC Energy Devices, Ltd.Inventor: Yoshitomo Hirota
-
Patent number: 8003246Abstract: An energy storage device is provided including multiple back-to-back-disposed storage cells, from the first end of which the plus pole is made to emerge and from the other end of which the minus pole is made to emerge, thereby creating a series circuit of the storage cells. In order to reduce fabrication costs, it is proposed that each of the storage cells have a continuous opening between the plus pole and the minus pole, through which opening a guide rod extends that secures the back-to-back-disposed storage cells in this position.Type: GrantFiled: February 27, 2009Date of Patent: August 23, 2011Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Joachim Froeschl, Markus Kaindl, Anton Schumann
-
Publication number: 20110200864Abstract: An electrolyte composition comprises lithium salts. The electrolyte composition is operative at temperatures of about 350 to about 600° C. in a battery. The electrolyte composition displays a specific conductivity of less than 10?7 Siemens per centimeter when the temperature is lower than 100° C. and greater than 10?3 Siemens per centimeter when the temperature is greater than 400° C. The electrolyte composition is devoid of a separator.Type: ApplicationFiled: February 16, 2011Publication date: August 18, 2011Applicant: U.S. NANOCORP, INC.Inventor: Jinxiang Dai
-
Patent number: 7998610Abstract: An electric power source containing a plurality of batteries stacked in two or more tiers in a battery case, which is provided with an intermediary duct between a first sub holder case and a second sub holder case. A first outer duct is located outside the first sub holder case and a second outer duct is located outside the second sub holder case. The power source is so designed that cooling air is blown to the intermediary duct, the holder case and the outer duct, thus cooling the batteries in the holder case. Further, the power source has a partition disposed inside the intermediary duct, with a first intermediary sub duct being connected to the first sub holder case and a second intermediary duct being connected to the second sub holder case.Type: GrantFiled: July 30, 2007Date of Patent: August 16, 2011Assignee: Sanyo Electric Co., Ltd.Inventor: Kazuhiro Fujii
-
Publication number: 20110195297Abstract: A secondary battery that includes a sheet-like member containing at least an electrode active material and an electrolyte; and first and second conductive layers containing at least a conductive aid and which are positioned on the opposed principal surfaces of the sheet-like member. The electrode active material contains an organic compound (for example, an organic compound having a stable radical) which participates in both oxidation and reduction reactions such that the positive electrode active material and negative electrode active material are formed from the same organic compound. In addition, the sheet-like member includes at least a polymer compound, and the organic compound contains at least one of a nitroxyl radical, a verdazyl radical, and a nitronyl nitroxyl radical.Type: ApplicationFiled: February 3, 2011Publication date: August 11, 2011Inventors: NAO OUCHI, Masaharu Sato
-
Patent number: 7993773Abstract: The present invention relates to apparatus, compositions and methods of fabricating high performance thin-film batteries on metallic substrates, polymeric substrates, or doped or undoped silicon substrates by fabricating an appropriate barrier layer composed, for example, of barrier sublayers between the substrate and the battery part of the present invention thereby separating these two parts chemically during the entire battery fabrication process as well as during any operation and storage of the electrochemical apparatus during its entire lifetime. In a preferred embodiment of the present invention thin-film batteries fabricated onto a thin, flexible stainless steel foil substrate using an appropriate barrier layer that is composed of barrier sublayers have uncompromised electrochemical performance compared to thin-film batteries fabricated onto ceramic substrates when using a 700° C. post-deposition anneal process for a LiCoO2 positive cathode.Type: GrantFiled: August 21, 2009Date of Patent: August 9, 2011Assignee: Infinite Power Solutions, Inc.Inventors: Shawn W. Snyder, Bernd J. Neudecker
-
Patent number: 7993776Abstract: A connection apparatus of a battery cell module having a battery cell cover with connecting plates formed at opposing ends thereof, a main frame having guide channels that receive the cell cover, and a top cover to secured the cell cover to the main frame, the connection apparatus having holes at opposing sides of a bottom of the main frame, connecting units configured for insertion into the holes and for contacting the connecting plates, and a conductive bridge electrically connecting the connecting units is disclosed.Type: GrantFiled: March 30, 2007Date of Patent: August 9, 2011Assignee: Tyco Electronics AMP Korea, Ltd.Inventors: Cheol-Sub Lee, Jong-Keun Song, Young-Jun Yun, Keun-Tak Lim
-
Patent number: 7989106Abstract: The invention relates to a bipolar battery cell having a built-in discharge circuit that can automatically balance the charged conditions. The bipolar battery cell includes a plurality of bipolar electrodes, each including a collector having a positive-electrode layer on one surface and a negative-electrode layer on another surface. The bipolar battery cell further includes a plurality of electrolyte layers that exchange ions between the bipolar electrodes; and a discharge circuit that electrically conducts adjacent bipolar electrodes. The discharge circuit is provided on the same surface of at least one layer of the positive-electrode layers, the negative-electrode layers, or the electrolyte layers. Multiple bipolar battery cells are combined to form an assembled battery for vehicular applications.Type: GrantFiled: November 1, 2005Date of Patent: August 2, 2011Assignee: Nissan Motor Co., Ltd.Inventors: Takuya Kinoshita, Hideaki Horie, Takaaki Abe, Osamu Shimamura
-
Publication number: 20110183176Abstract: A battery cell module includes an enclosure having an electrically non-conductive perimeter and at least one cover formed from a thermally conductive material. The cover has a substantially flat inner surface and sealingly engages the electrically non-conductive perimeter. A plurality of series-interconnected battery cells are placed together into facing contact with each other, an exterior one of the battery cells in facing contact with the inner surface of the cover to facilitate heat transfer therethrough and to provide a desired compression against the series-interconnected battery cells. A first end of the series-interconnected battery cells includes a positive terminal end, and a second end of the series-interconnected battery cells including a negative terminal end, the series-interconnected battery cells the positive and negative terminal ends extending through the electrically non-conductive perimeter.Type: ApplicationFiled: January 28, 2010Publication date: July 28, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.Inventors: Leo F. Schwab, Andrew P. Oury
-
Publication number: 20110183183Abstract: Disclosed is a stacked array of a plurality of thin film batteries that are electrically connected together. The stacked array is in a staggered configuration. The outermost points of side edges on one side of the stacked array preferably generally conform to an interior surface of an electronic device or component thereof in order to advantageously save space in the device. In an embodiment, the stacked array comprises at least one battery having a single surface in contact with a plurality of batteries. In another embodiment, a shaped array of a plurality of thin film batteries electrically connected together is provided, whereby a plurality of batteries are arranged in a single layer on a non-rectangular substrate adjacent to one another generally in the shape of the surface of the substrate. Additionally, a thin film battery is described wherein at least one via is provided through the substrate and at least one other via through an insulation layer to provide electronic connection to the battery cell.Type: ApplicationFiled: January 26, 2011Publication date: July 28, 2011Inventors: Steven C. Grady, Jeffrey S. Sather, Blair A. Wilson
-
Publication number: 20110143186Abstract: The present invention relates to a plate (20), particularly for a bipolar battery (10), the plate (20) being of the type that comprises a base graphite material (2), a positive active material (3) applied to a first surface (4) of the base material (2) and a negative active material (5) applied to a second surface (6) of the base material (2) opposite the first surface (4), the positive active material (3) having a composition that comprises lead dioxide, conductive carbon fibers and glass microspheres, and the negative active material (5) having a composition that comprises spongy lead, graphite additives and glass microspheres.Type: ApplicationFiled: August 6, 2008Publication date: June 16, 2011Inventors: Gerhard Ett, Angelo Massatoshi Ebesui, Gilberto Janólio, Volkmar Ett