Including Coating Or Impregnating Patents (Class 29/623.5)
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Publication number: 20130224590Abstract: Electrically-conductive articles are provided that include a current collector (102) having a conductive coating (104a, 104b). The current collector (102) has nanoporous structure, such as that from etched metal, and a carbon coating (104a, 104b) in contact with the current collector (102). The carbon coating (104a, 104b) is free of binder. In some embodiments, the current collector (102) includes etched aluminum. The provided electrically-conductive articles can be electrochemical capacitors or lithium-ion electrochemical cells.Type: ApplicationFiled: November 11, 2011Publication date: August 29, 2013Applicant: 3M Innovative Properties CompanyInventor: Ranjith Divigalpitiya
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Publication number: 20130224533Abstract: A battery having the electrodes of multiple cell types interleaved to prevent thermal runaway by cooling a shorted region between electrodes. The battery includes multiple cell types where each cell type has multiple electrodes a first polarity. The electrodes of each of the cell types share a pair of the common electrodes having a second polarity. The electrodes of the multiple cell types and the multiple common electrodes are interleaved such that if the electrodes of the multiple cell types and the adjacent common electrodes of one or more cell types short together, the current within the shorted cells is sufficiently small to prevent thermal runaway and the electrodes of the adjacent cells of the other cell types of the first polarity and the common electrodes of the second polarity not having short circuits provide heat sinking for the heat generated by the short circuit to prevent thermal runaway.Type: ApplicationFiled: February 28, 2012Publication date: August 29, 2013Applicant: AMPEREX TECHNOLOGY LIMITEDInventors: Li-Yan Zhu, Jei-Wei Chang
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Patent number: 8518572Abstract: Disclosed is a graphite/DSA assembled electrode for a redox flow battery, obtained by assembling a graphite electrode made of micro-sized graphite and a DSA electrode using rolling thus improving cell performance including electrode durability, corrosion resistance, power density, energy efficiency and cycle properties. A method of manufacturing the graphite/DSA assembled electrode is also provided, which includes preparing a mixture composed of a graphite active material, a conductive material and a binder into a slurry using an alcohol, evaporating the alcohol from the slurry thus preparing a paste, thinly spreading the paste into an electrode sheet, and rolling the electrode sheet along with a DSA electrode thus obtaining the assembled electrode. A redox flow battery including the electrode thus obtained is also provided, which has increased electrode durability and corrosion resistance and enhanced power properties, energy efficiency and cycle performance.Type: GrantFiled: October 11, 2010Date of Patent: August 27, 2013Assignees: Korea Institute of Science and Technology, Korea Electronics Technology InstituteInventors: Hyung Sun Kim, Byung Won Cho, Young-Jun Kim, Ki Jae Kim
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Publication number: 20130216892Abstract: A secondary battery includes an outer housing and an electrode body including a positive electrode member, separator member and a negative electrode member stacked in this order wherein the positive electrode member and the negative electrode member are formed from a collector and an active material layer formed to cover one end on the collector, an insulating body in which an insulating material that does not exhibit adhesiveness at room temperature is adhered with an adhesive strength of 1 N/15 mm or greater onto the collector constituting the positive electrode member or the negative electrode member, and a peripheral edge of the positive electrode member or the negative electrode member has a cross-sectional surface including the collector and the insulating body.Type: ApplicationFiled: September 28, 2011Publication date: August 22, 2013Applicants: Automotive Energy Supply Corporation, Toray Advanced Film Co., Ltd.Inventors: Youichi Matsuura, Yoshitaka Fukagai, Satoshi Yamada, Etsuo Ogami, Satoshi Okano, Tomoyuki Ichikawa
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Publication number: 20130212875Abstract: A method for producing a lithium-ion secondary battery comprising positive and negative electrodes and a non-aqueous electrolyte solution is provided. The method comprises (A) with several different negative electrode active materials, determining density Xn (g/cm3) at several different number of taps applied, n, respectively; (B) determining density Y (g/cm3) of a negative electrode active material layer constituted with a mixture comprising each negative electrode active material; (C) based on a regression line, Y=aXn+b, determining the number of taps applied, n?, that gives a?0.5 and a determination coefficient R2?0.99; (D) based on a plot of Y=aXa?+b, determining a passing range of Xn? where negative electrode active material layer density Y is in a prescribed range; (E) selecting a negative electrode active material having Xn?in the passing range, and fabricating a negative electrode with this material.Type: ApplicationFiled: October 27, 2010Publication date: August 22, 2013Inventors: Koji Takahata, Hideki Sano
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Publication number: 20130216910Abstract: A lithium-ion electro-chemical cell that includes a cathode that includes an electrochemically-active metal oxide coating on a first current collector, an electrolyte, and an anode that includes an electrochemically-active alloy coating on a second current collector. Both the anode and the cathode have a reversible capacity of greater than 4.5 mAh/cm2 per coated side. The metal oxide coating typically comprises cobalt, manganese, nickel, or a combination thereof. The reversible capacity of the cathode is within 15% of the reversible capacity of the anode.Type: ApplicationFiled: October 31, 2011Publication date: August 22, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: Mark N. Obrovac
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Publication number: 20130216904Abstract: A method for forming a microbattery including, on a surface of a first substrate, one active battery element and two contact pads, this method including the steps of: a) forming, on a surface of a second substrate, two contact pads with a spacing compatible with the spacing of the pads of the first substrate; and b) arranging the first substrate on the second substrate so that the surfaces face each other and that the pads of the first substrate at least partially superpose to those of the second substrate, where a portion of the pads of the second substrate is not covered by the first substrate.Type: ApplicationFiled: February 12, 2013Publication date: August 22, 2013Applicant: STMICROELECTRONICS (TOURS) SASInventor: STMICROELECTRONICS (TOURS) SAS
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Publication number: 20130209889Abstract: An objective is to reduce the sheet resistance and gas evolution in a battery electrode comprising a conductive intermediate layer capable of reducing or shutting off a current when overcharged. A battery electrode (12) comprises a conductive intermediate layer (123) being placed between a current collector (122) and an active layer (124) while comprising conductive particles (50) and a binder (60). The mass proportion of conductive particles (50) is equal to or larger than the mass proportion of the binder (60). Conductive particles (50) has a size distribution that exhibits a first peak with the maximum at a first particle diameter value and a second peak with the maximum at a second particle diameter value larger than the first particle diameter value. The intermediate layer (123) contains 10% to 60% by mass of conductive particles (52) having particle diameters that belong to the second peak.Type: ApplicationFiled: October 21, 2010Publication date: August 15, 2013Inventor: Koji Takahata
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Patent number: 8507133Abstract: The principal object of the present invention is to provide an anode active material suitable for rapid charging. The present invention provides an anode active material comprising a metallic part which comprises Sn or Si and has a film thickness of 0.05 ?m or less, and thereby solving the problem.Type: GrantFiled: September 6, 2007Date of Patent: August 13, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventor: Keiichi Yokouchi
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Publication number: 20130202922Abstract: Polymer-fused batteries are provided. The battery includes a casing, an anode coupled to the casing, an electrical source disposed between the casing and the anode, and a fuse over at least a portion of the anode. The polymer fuse comprises an electrically-conductive material formulated to decompose upon contact with a bodily fluid and to provide electrical communication between the anode cap and the electrical source when the polymer fuse is intact.Type: ApplicationFiled: February 3, 2012Publication date: August 8, 2013Applicant: International Business Machines CorporationInventors: Richard Anthony DIPIETRO, Thomas J. FLEISCHMAN, Richard HUTZLER, Keith Brian MADDERN, William Maurice SMITH, JR.
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Publication number: 20130202969Abstract: A main object of the present invention is to provide a method for producing an anode material which enhances the reversibility of the conversion reaction and the cycle characteristics of lithium secondary batteries. The object is attained by providing a method for producing an anode material that is used in a lithium secondary battery, comprising a mechanical milling step of micronizing a raw material composition containing MgH2 by mechanical milling.Type: ApplicationFiled: April 28, 2011Publication date: August 8, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoya Matsunaga, Hideki Nakayama, Makio Kon, Aoi Takano
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Publication number: 20130199030Abstract: A method of preparing a lithium secondary battery is disclosed, the method including coating a coating layer-forming composition including an inorganic compound and an organic/inorganic bindable silane compound having a first reactive functional group on a substrate to form a separator including a coating layer; preparing an electrode including an active material and a binder having a second reactive functional group; stacking the electrode to contact the coating layer of the separator, and adding an electrolyte to the electrode and separator to prepare a lithium secondary battery; and heat-treating the lithium secondary battery to react the first reactive functional group with the second reactive functional group and form a chemical bond.Type: ApplicationFiled: February 4, 2013Publication date: August 8, 2013Applicant: SAMSUNG SDI CO., LTD.Inventor: SAMSUNG SDI CO., LTD.
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Publication number: 20130202960Abstract: The present invention relates to a battery having an electrode structure using long metal fibers, and to a production method therefor. According to one embodiment of the present invention, the battery has an electrode structure comprising: an electrically-conductive network which is formed by physical connection or chemical bonding between one or more long metal fibers; and a first electrically active material which is bound to the electrically-conductive network.Type: ApplicationFiled: October 19, 2011Publication date: August 8, 2013Applicant: SHINE CO., LTDInventor: Kwonseok Kim
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Patent number: 8501345Abstract: An electrochemical cell is provided. The cell includes a plurality of electrode sheets separated by at least one separator sheet. A positive extension tab is attached to a current collecting tabs of positive electrode sheets, and a negative extension tab is attached to current collecting tabs of the negative electrode sheets. The dimensions of the positive extension tab and the negative extension tab are selected such that temperature difference between positive extension tab and the negative extension tab are minimized when the electrochemical cell is in use.Type: GrantFiled: November 25, 2008Date of Patent: August 6, 2013Assignee: A123 Systems LLCInventors: William H. Gardner, Stefan Tillmann
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Publication number: 20130185930Abstract: A process of forming and the resulting nano-pitted metal substrate that serves both as patterns to grow nanostructured materials and as current collectors for the resulting nanostructured material is disclosed herein. The nano-pitted substrate can be fabricated from any suitable conductive material that allows nanostructured electrodes to be grown directly on the substrate.Type: ApplicationFiled: March 14, 2013Publication date: July 25, 2013Applicant: THE UNIVERSITY OF TULSAInventor: The University Of Tulsa
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Publication number: 20130189560Abstract: In one embodiment, a battery cell terminal includes a terminal substrate; an interconnector busbar including a busbar substrate; and a coating disposed between and contacting at least one of the terminal and busbar substrates, the coating including a metal and having a melting temperature smaller than a melting temperature of the terminal or busbar substrate. In another embodiment, the coating includes a first coating of a metal M1 and second coating of a metal M2, the first coating contacting the terminal substrate, and the second coating contacting the busbar substrate.Type: ApplicationFiled: January 19, 2012Publication date: July 25, 2013Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventor: Humi Widhalm
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Publication number: 20130189562Abstract: The present invention relates to a method for preparing a completely solid Li-ion battery having a solid state body wherein the battery is assembled in a single step by stacking at least one layer of a powder mix including a positive electrode active material and a solid electrolyte, at least one intermediate layer of a solid electrolyte and at least one layer of a powder mix including a negative electrode active material and a solid electrolyte, and simultaneous sintering of the three layers at a pressure of at least 20 MPa, under pulsating current. The invention also relates to the Li-ion battery obtained by such a method.Type: ApplicationFiled: February 17, 2011Publication date: July 25, 2013Inventors: Michael Dolle, Patrick Rozier, Gaelle Delaizir, Jean-Marie Tarascon, Virginie Viallet, Mathieu Morcrette, Vincent Seznec, Renaud Bouchet, Abdelmaula Aboulaich, Laurence Tortet
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Patent number: 8492033Abstract: Fast-cure gel polymer electrolytes are prepared by trapping an oligo(alkylene glycol)siloxane or silane in a three dimensional polymer matrix. An ion-conducting phase of the electrolyte contains a siloxane or silane compound and a lithium salt. Such siloxanes or silanes include a silicon or silicon oxide group having four or less substituents that is an oligo(alkylene glycol), or cyclic carbonate moiety.Type: GrantFiled: June 14, 2010Date of Patent: July 23, 2013Assignee: UChicago Argonne, LLCInventors: Khalil Amine, Zhengcheng Zhang
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Publication number: 20130183553Abstract: A useful lifetime of an energy storage device can be extended by providing a series connection of a battery cell and an self-programming fuse. A plurality of series connections of a battery cell and an self-programming fuse can then be connected in a parallel connection to expand the energy storage capacity of the energy storage device. Each self-programming fuse can be a strip of a metal semiconductor alloy material, which electromigrates when a battery cell is electrically shorted and causes increases in the amount of electrical current therethrough. Thus, each self-programming fuse is a self-programming circuit that opens once the battery cell within the same series connection is shorted.Type: ApplicationFiled: January 12, 2012Publication date: July 18, 2013Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Hariklia Deligianni, Harold J. Hovel, Fei Liu
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Publication number: 20130183582Abstract: A lithium ion battery includes a positive electrode, a negative electrode, a microporous polymer separator disposed between the negative electrode and the positive electrode, and a polymer having a chelating agent tethered thereto. The polymer is incorporated into the lithium ion battery such that the chelating agent complexes with metal cations in a manner sufficient to not affect movement of lithium ions across the microporous polymer separator during operation of the lithium ion battery.Type: ApplicationFiled: January 12, 2012Publication date: July 18, 2013Applicant: GM GLOBAL TECHNOLOGY OPRATIONS LLC.Inventors: Ion C. Halalay, Timothy J. Fuller, Lijun Zou, Zicheng Li
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Publication number: 20130177795Abstract: An apparatus for swappable battery packaging for electric vehicle, the apparatus is contributing for dual purpose of protecting the batteries and providing contribution to the overall structural performance of the vehicle. The apparatus offer self repairable battery packing system to even a novice user thereof, offering each of replacement or recharging operations.Type: ApplicationFiled: January 11, 2013Publication date: July 11, 2013Applicant: TATA TECHNOLOGIES PTE LTDInventor: Tata Technologies Pte Ltd
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Publication number: 20130174393Abstract: A method for drying an electrode pair is disclosed. In at least one embodiment, the method includes preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container; and drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method.Type: ApplicationFiled: September 22, 2011Publication date: July 11, 2013Applicant: ESPEC CORP.Inventor: Junichi Inahara
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Publication number: 20130167364Abstract: A method for making lithium ion battery is provided. A cathode material layer and an anode material layer are provided. A first carbon nanotube layer is formed on a surface of the cathode material layer to obtain a cathode electrode. A second carbon nanotube layer is formed on a surface of the anode material layer to obtain an anode electrode. A separator is applied between the cathode electrode and the anode electrode to form a battery cell. At least one battery cell is then encapsulated in an external encapsulating shell, and an electrolyte solution is injected into the external encapsulating shell.Type: ApplicationFiled: April 27, 2012Publication date: July 4, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: JIA-PING WANG, SHU LUO, KAI-LI JIANG, SHOU-SHAN FAN
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Publication number: 20130171497Abstract: The present invention relates to a stacked secondary battery that includes a laminated body, the laminated body including: a first electrode (10) in which a first electrode active material (12) is applied to both surfaces of a sheet-shaped collector (11), the first electrode having a first region (11a) to which the first electrode active material has been applied and a second region (11b) to which the first electrode active material has not been applied; a second electrode (20) in which a second electrode active material (22) different in polarity from the first electrode active material is applied to both surfaces (21) of a sheet-shaped collector; and a porous separator (30), the first and second electrodes being stacked via the porous separator, the first and second electrodes being stacked via the porous separator.Type: ApplicationFiled: September 9, 2011Publication date: July 4, 2013Applicant: NEC ENERGY DEVICES, LTD.Inventors: Shinsuke Enomoto, Tomokazu Kumeuchi
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Publication number: 20130164607Abstract: A lithium battery comprises at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte. A protective casing comprises a cover spaced apart from and covering the battery cell to form a gap therebetween with a polymer filling the gap. In one version, the polymer comprises polyvinylidene chloride polymer. First and second terminals extend out of the protective casing, the first and second terminals being connected to different electrodes of the battery cell.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Inventors: Tung-Hsiu SHIH, Kai Wei Nieh, Victor Krasnov, Jiuh-Ming Liang
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Publication number: 20130164583Abstract: An electric storage battery including a jelly roll type electrode assembly having a mandrel. The mandrel includes a positive portion, a negative portion and a removable portion. The mandrel can be planar, having two faces with grooves on the positive and negative portions. The grooves are dimensioned to accommodate positive and negative feedthrough pins. The mandrel is welded to the feedthrough pins by using a laser beam incident on the opposite face of the mandrel from the face on which the grooves and pins are located. The laser beam melts the mandrel such that molten mandrel material fills the grooves welding the feedthrough pins in place. Electrodes are wrapped around the mandrel using the removable portion to wind the mandrel. The removable portion can be detached. The mandrel allows tighter wrapping of the jelly roll assembly and increasing battery miniaturization.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Inventor: Seth M. Humphrys
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Publication number: 20130164627Abstract: A method for producing conductive carbon coated particles of an at least partially lithiated electroactive core material comprises the step of premixing an oxidant electroactive material with a metallated reductant followed by chemically reacting the oxidant electroactive material with the metallated reductant, said reductant being a coating precursor, said metal being at least one alkaline and/or at least one alkaline earth metal, and said chemically reacting being performed under conditions allowing reduction and metallation of the electroactive material via insertion/intercalation of the alkaline metal cation(s) and/or the alkaline earth metal cation(s) and coating formation via a polymerisation reaction like polyanionic or radicalic polymerisation of the reductant.Type: ApplicationFiled: December 21, 2012Publication date: June 27, 2013Applicant: Belenos Clean Power Holding AGInventor: Belenos Clean Power Holding AG
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Patent number: 8470389Abstract: Provided is a method of manufacturing a solid electrolytic capacitor, including the steps of: forming a capacitor element including an anode body having a dielectric coating film on a surface thereof; impregnating the capacitor element with a polymerization liquid containing a precursor monomer of a conductive polymer and an oxidant; impregnating the capacitor element impregnated with the polymerization liquid with a silane compound or a silane compound containing solution; and forming a conductive polymer layer by polymerizing the precursor monomer after impregnating the capacitor element with the silane compound or the silane compound containing solution.Type: GrantFiled: November 30, 2009Date of Patent: June 25, 2013Assignees: SANYO Electric Co., Ltd., SAGA SANYO INDUSTRIES Co., Ltd.Inventors: Takeshi Furukawa, Yuichiro Inutsuka
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Patent number: 8470057Abstract: A method for producing an alkaline primary battery includes: (1) forming a cylindrical positive electrode having a hollow; (2) inserting a cylindrical separator with a bottom into the hollow of the positive electrode, the separator including: a wound cylindrical portion; and a bottom portion that is substantially U-shaped in cross-section, the bottom portion covering an opening of the cylindrical portion at a lower end thereof and having an upstanding portion that extends along a lower outer face of the cylindrical portion; and (3) injecting an electrolyte into the separator. The amount of the electrolyte injected into the separator in the step (3) is sufficient to impregnate the positive electrode and the separator and immerse a lower end of the cylindrical portion of the separator in the electrolyte remaining in the separator, thereby bringing the lower end of the cylindrical portion into contact with the upstanding portion.Type: GrantFiled: September 16, 2011Date of Patent: June 25, 2013Assignee: Panasonic CorporationInventors: Mitsuji Adachi, Yasuhiko Syoji
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Publication number: 20130157136Abstract: An electrochemical cell manufactured by coating a conductive substrate of an electrode with a disordered carbon active material using a water-based binder slurry. An exemplary binder slurry includes at least one disordered carbon material, carboxymethyl cellulose (CMC), styrene butadiene rubber (SBR), and water.Type: ApplicationFiled: December 15, 2011Publication date: June 20, 2013Applicant: ENERDEL, INC.Inventor: Mark Balicki
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Patent number: 8465556Abstract: A method for making a solid state cathode comprises the following steps: forming an alkali free first solution comprising at least one transition metal and at least two ligands; spraying this solution onto a substrate that is heated to about 100 to 400° C. to form a first solid film containing the transition metal(s) on the substrate; forming a second solution comprising at least one alkali metal, at least one transition metal, and at least two ligands; spraying the second solution onto the first solid film on the substrate that is heated to about 100 to 400° C. to form a second solid film containing the alkali metal and at least one transition metal; and, heating to about 300 to 1000° C. in a selected atmosphere to react the first and second films to form a homogeneous cathode film. The cathode may be incorporated into a lithium or sodium ion battery.Type: GrantFiled: December 1, 2010Date of Patent: June 18, 2013Assignee: Sisom Thin Films LLCInventor: Isaiah O. Oladeji
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Publication number: 20130149602Abstract: Disclosed are lithium-ion secondary electrochemical cells and methods of making lithium-ion secondary electrochemical cells.Type: ApplicationFiled: January 5, 2011Publication date: June 13, 2013Applicant: ETV ENERGY LTDInventors: Shalom Luski, Arieh Meitav, Eli Lancry
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Patent number: 8460403Abstract: A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS2) and carbon particles. The electrolyte comprises a lithium salt dissolved in a solvent mixture. Iron disulfide powder and carbon black is preferably premixed and stored. A cathode slurry is prepared comprising iron disulfide, carbon black, binder, and a liquid solvent. The mixture is coated onto a substrate and solvent evaporated leaving a dry cathode coating on the substrate. The cathode coating is then baked at elevated temperatures in atmosphere under partial vacuum or in an atmosphere of nitrogen or inert gas. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.Type: GrantFiled: November 2, 2007Date of Patent: June 11, 2013Assignee: The Gillette CompanyInventors: Michael Pozin, Sean Chang
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Publication number: 20130143104Abstract: A button cell includes a housing including a cell cup and having an exterior electrically non-conductive coating, a cell cover and a seal which isolates the cell cup and the cell cover from one another.Type: ApplicationFiled: April 8, 2008Publication date: June 6, 2013Applicant: VARTA MICROBATTERY GMBHInventors: Herbert Schein, Bernd Kreidler, Eduard Pytlik, Martin Krebs, Dejan llic
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Publication number: 20130143128Abstract: Provided are a nonaqueous-electrolyte battery in which short circuits between the positive- and negative-electrode layers can be suppressed with certainty and a method for producing the battery. A nonaqueous-electrolyte battery 100 includes a positive-electrode active-material layer 12 containing a Li-containing oxide; a negative-electrode active-material layer 22 on which deposition of Li metal can occur; and a sulfide-solid-electrolyte layer (SE layer) 3 disposed between these active-material layers 12 and 22. The SE layer 3 of the nonaqueous-electrolyte battery 100 includes a powder-formed layer 31 and a dense-film layer 32 formed on a surface of the powder-formed layer 31 by a vapor-phase process.Type: ApplicationFiled: August 24, 2011Publication date: June 6, 2013Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasushi Mochida, Mitsuyasu Ueda, Kentaro Yoshida, Tomoharu Takeyama, Kazuhiro Goto
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Publication number: 20130133185Abstract: The present invention concerns a flat battery comprising a package formed by a cathode, an anode, and a separator layer sandwiched between the cathode and the anode, a sealing frame extending circumferentially around said package, a first current collector contacting the anode, and a second current collector contacting the cathode. The first and second current collectors each partly cover the sealing frame in a zone being adjacent to the package. According to the invention, the battery further comprises a first polymeric jacket layer being arranged on the first current collector and a second polymeric jacket layer being arranged on the second current collector, said first and second polymeric jacket layers extending circumferentially beyond the current collectors and beyond the sealing frame and being sealed together to form an outer jacket for the battery. Furthermore, the present invention also concerns a method to produce such a battery.Type: ApplicationFiled: January 14, 2013Publication date: May 30, 2013Applicant: RENATA AGInventor: RENATA AG
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Publication number: 20130128488Abstract: A lithium battery includes a cathode, an anode including a component made of silicon, a separator element disposed between the cathode and the anode, an electrolyte, and a substrate. The anode is disposed over the substrate or the anode is integrally formed with the substrate.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Applicant: INFINEON TECHNOLOGIES AUSTRIA AGInventors: Magdalena Forster, Katharina Schmut, Bernhard Goller, Guenter Zieger, Michael Sorger, Philemon Schweizer, Michael Sternad
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Publication number: 20130130096Abstract: Light-weight VRLA batteries comprise a thin lead substrate that is supported by non-conductive, preferably plastic frames that provide structural stability to accommodate stress and strain in the bipole assembly. In particularly preferred batteries, the plastic frames are laser welded together and phantom grids and electrode materials are coupled to the respective sides of the lead substrate. Where the phantom grid is an ultra-thin lead grid, the lead grid is preferably configured to provide a corrosion reserve of less than 10 charge-discharge cycles and the bipole assembly is charged in an in-tank formation process. Where the phantom grid is a non-conductive grid, the lead grid is preferably a plastic grid and the bipole assembly is charged in an in-container formation process. Consequently, weight, volume, and production costs are significantly reduced while specific energy is substantially increased.Type: ApplicationFiled: March 4, 2011Publication date: May 23, 2013Applicant: AIC BLABInventor: Frank Lev
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Patent number: 8445139Abstract: The disclosure relates to bipolar cells including electrodes surrounding a collector. Embodiments of the bipolar cells include a collector containing a high-polymer material. The disclosure also relates to bipolar electrode batteries containing bipolar cells including a collector body containing electrically conductive high-polymer or electrically conductive particles distributed in a high-polymer. By adding such high molecular weight polymer material to the collector, the weight of the collector may be reduced and the output power density per weight of the battery may be improved. The disclosure further relates to methods of forming collecting bodies and electrodes for bipolar cells using an inkjet printing method. Bipolar cells according to the present invention may be used to fabricate batteries such as lithium ion batteries, which may be connected to form battery modules used, for example, to provide electrical power for a motor vehicle.Type: GrantFiled: December 7, 2005Date of Patent: May 21, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Kenji Hosaka, Osamu Shimamura, Hideaki Horie, Takamitsu Saito, Takuya Kinoshita, Takaaki Abe, Naoto Kiriu
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Patent number: 8444840Abstract: Electrochemical cells including a casing or cup for direct electrical contact with a negative electrode or counter electrode and serving as the current collector for the electrode. The casing includes a substrate having a plated coating of an alloy including copper, tin and zinc, the coating having a composition gradient between the substrate and the external surface of the coating wherein the copper content is greater adjacent the substrate than at the external surface of the coating and the tin content is greater at the external surface of the coating than adjacent the substrate. Methods for forming a coated casing and an electrochemical cell including a coated casing are disclosed, preferably including providing an electrode casing with a coating utilizing variable current density plating that reduces discoloration of a surface exposed to the ambient atmosphere.Type: GrantFiled: June 30, 2011Date of Patent: May 21, 2013Assignee: Eveready Battery Company, Inc.Inventors: Jason L. Stimits, Jeffrey S. Dreger
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Publication number: 20130122398Abstract: An electrochemical or electric layer system, having at least two electrode layers and at least one ion-conducting layer disposed between two electrode layers. The ion-conducting layer has at least one ion-conducting solid electrolyte and at least one binder at grain boundaries of the at least one ion-conducting solid electrolyte for improving the ion conductivity over the grain boundaries and the adhesion of the layers.Type: ApplicationFiled: May 16, 2011Publication date: May 16, 2013Applicant: CONTINENTAL AUTOMOTIVE GMBHInventors: Peter Birke, Olaf Böse, Michael Keller, Michael Schiemann, Hans-Georg Schweiger
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Publication number: 20130122369Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes a carbon-nanoparticle composite including a crystalline carbon material including pores, and amorphous nanoparticles dispersed either inside the pores, or on the surface of the crystalline carbon material, or both inside the pores and on the surface of the crystalline carbon material. At least one of the amorphous nanoparticles includes a metal oxide layer in a form of a film on the surface, and the amorphous nanoparticles have a full width at half maximum of about 0.35 degree (°) or greater at a crystal plane producing the highest peak as measured by X-ray diffraction analysis.Type: ApplicationFiled: November 8, 2012Publication date: May 16, 2013Applicant: SAMSUNG SDI CO., LTD.Inventor: Samsung SDI Co., Ltd.
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Publication number: 20130122330Abstract: The invention relates to a battery comprising an electrode separator arrangement filled with an electrolyte, characterised in that the electrode separator arrangement is at least partially covered with a casting compound (FIG. 6a). The invention also relates to a method for producing such a battery.Type: ApplicationFiled: July 12, 2011Publication date: May 16, 2013Applicant: Evonik Degussa GmbHInventors: Gerhard Hoerpel, Martin Schuster, Dirk Hoppe
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Patent number: 8440356Abstract: Disclosed is the present invention directed to a process for manufacturing an electrode assembly, including: prior to assembling to electrode, bending a cathode, having an active material layer coated on one major surface of a current collector, and an anode, having an active material layer coated on one major surface of another current collector, in a zigzag fashion in vertical sections; and after the bending of the cathode and the anode, fitting the cathode and the anode to each other, such that the electrode active material layers face each other, while a separator is disposed between the cathode and the anode.Type: GrantFiled: December 27, 2011Date of Patent: May 14, 2013Assignee: LG Chem, Ltd.Inventors: KiJae Kim, Min Su Kim, Hey Woong Park
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Publication number: 20130115484Abstract: A lithium ion secondary battery is provided. The battery comprises: an electrolytic solution; a negative electrode comprising a negative electrode active material; a positive electrode comprising a positive electrode active material, and a heat-resistant layer comprising a metal fluoride.Type: ApplicationFiled: October 9, 2012Publication date: May 9, 2013Applicant: JOHNSON CONTROLS TECHNOLOGY LLCInventor: JOHNSON CONTROLS TECHNOLOGY LLC
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Patent number: 8431827Abstract: Circuit modules including identification codes and a method of managing them are provided. A module substrate includes signal input output terminals and outer ground terminals provided at the peripheral portions of a surface which becomes a mounting surface when the circuit module is completed. An inner-ground-terminal formation area surrounded by the signal input output terminals and the outer ground terminals includes a plurality of inner ground terminals arranged in a matrix of rows and columns. One of the edge portions is a direction identification area. The inner ground terminal is not provided in the direction identification area, and a first identification code having information about the position of the module substrate is provided in the direction identification area.Type: GrantFiled: June 8, 2011Date of Patent: April 30, 2013Assignee: Murata Manufacturing Co., Ltd.Inventors: Hiroshi Nishikawa, Taro Hirai
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Patent number: 8431260Abstract: The invention concerns an interconnection system (100) of an energy storage assembly (200), with an electronic support for controlling (300) the health status of the energy storage assembly (200), the interconnection system (101) being characterized in that it comprises an interconnection support (101) including a conductive circuit (800) formed on electrically conductive surface, said circuit (800) forming an electrical connection between the electronic control support (300) and the pole terminals (500) of the cells to which it is connected, respectively, through connecting means and through retaining means (110, 120, 150), said retaining means (110, 120, 150) being adapted to urged into contact, on the pole terminals (500), with support means (510) so as to arrange the pole terminals (500) on the interconnection support (101) and adapted to provide a direct electrical connection of the pole terminals (500) with the conductive circuit (800).Type: GrantFiled: July 4, 2006Date of Patent: April 30, 2013Assignee: BatscapInventor: Luc Nedelec
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Publication number: 20130101897Abstract: Provided is a lithium secondary battery in which negative-electrode active material particles containing silicon and/or a silicon alloy are used and which prevents the occurrence of breakage of a binder itself and peel-off of the binder at the interfaces with the negative-electrode active material and the negative-electrode current collector and has a high energy density and an excellent cycle characteristic. The lithium secondary battery includes: a negative electrode in which a negative-electrode active material layer including negative-electrode active material particles containing silicon and/or a silicon alloy and a binder is formed on a surface of electrically conductive metal foil serving as a negative-electrode current collector; a positive electrode; and a nonaqueous electrolyte, wherein the binder contains a polyimide resin including a crosslinked structure formed by imidization of a hexavalent or higher-valent carboxylic acid or an anhydride thereof with a diamine.Type: ApplicationFiled: March 24, 2011Publication date: April 25, 2013Applicant: SANYO ELECTRIC CO., LTD.Inventors: Atsushi Fukui, Taizo Sunano, Maruo Kamino
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Publication number: 20130101896Abstract: Various embodiments are described herein for an electrode assembly for a battery and a method of making the electrode assembly. The electrode assembly comprises an active material layer having a recess formed therein at an outer surface of the active material layer, the recess extending from a side facet of the active material layer toward an interior portion of the active material layer; a current collector layer supported on and in electrical contact with the outer surface of the active material layer; and a tab element supported partially within the recess and in electrical contact with at least one of the active material layer and the current collector layer, the tab element being adapted to provide an electrical connection for the electrode assembly.Type: ApplicationFiled: October 21, 2011Publication date: April 25, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: David Gerard Rich, Taha Shabbir Husain Sutarwala
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Publication number: 20130095377Abstract: An electrochemical cell including an anode comprising a carbonaceous material, where the carbonaceous material is capable of reversibly incorporating lithium ions therein and lithium metal on the surface thereof, a cathode capable of reversibly incorporating therein lithium ions, and a non-aqueous electrolyte in contact with the anode and the cathode, where the ratio of the capacity to reversibly incorporate lithium ions of the cathode to the capacity to reversibly incorporate lithium ions in the form of LiC6 of the carbonaceous material of the anode is equal to or larger than 4.5:1.Type: ApplicationFiled: October 22, 2012Publication date: April 18, 2013Applicant: TADIRAN BATTERIES LTD.Inventor: Tadiran Batteries Ltd.