Grid Or Holder Has Nonconducting Component Portion Thereof Patents (Class 429/234)
-
Patent number: 12166214Abstract: The current collector for electrodes according to an embodiment of the present invention includes a polymer film; at least one metal element provided on at least one surface of the polymer film; a conductive material provided on surfaces of the polymer film and the metal element; and a lead tab which is bonded or connected to the metal element.Type: GrantFiled: July 18, 2019Date of Patent: December 10, 2024Assignee: U & S ENERGY, INC.Inventor: Kyung Joon Kim
-
Patent number: 12160015Abstract: A conductive film, a fabrication method of the conductive film, and a lithium-ion battery (LIB) are provided. The fabrication method includes: S10: selecting a support layer, and plating a first metal layer on upper and lower surfaces of the support layer, respectively; S20: compounding a first film on a surface of one of the first metal layers, and compounding a second film on a surface of the other one of the first metal layers; S30: compounding a third film on surfaces of the first film and the second film, and etching a plurality of circular holes penetrating through the third film and the second film; S40: plating a second metal layer on an outer surface of the third film and an inner wall of the circular hole; S50: fabricating a composite film; and S60: plating a third metal layer on upper and lower surfaces of the composite film.Type: GrantFiled: June 10, 2021Date of Patent: December 3, 2024Assignee: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD.Inventors: Shiwei Zang, Wenqing Liu
-
Patent number: 12119455Abstract: The present disclosure provides an electrode assembly and a related battery, battery module, wherein, the electrode assembly includes: a plurality of first type of electrode plates and at least one second type of electrode plate which are arranged in a superimposing manner, the polarity of the first type of electrode plate is opposite to the polarity of the second type of electrode plate, the plurality of first type of electrode plates comprise a first electrode plate and a second electrode plate, wherein the first electrode plate comprises a first current collector, the second electrode plate comprises a second current collector, and the first current collector is different from the second current collector.Type: GrantFiled: June 2, 2020Date of Patent: October 15, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventors: Chengdu Liang, Hu Xu, Haizu Jin, Yuqun Zeng
-
Patent number: 12107232Abstract: An embodiment of the present application provide an electrode assembly, a battery cell, a battery, and an electrode assembly manufacturing equipment and method. Among that, the electrode assembly includes a negative electrode plate and a positive electrode plate which form a bending region. The positive electrode plate includes bending portions located in the bending region, the bending portion includes a positive electrode current collecting layer and a positive active substance layer, and at least one side surface of the positive electrode current collecting layer is provided with the positive active substance layer in a thickness direction of the positive electrode plate. At least one positive active substance layer is provided with the barrier layer, at least a part of the barrier layer is intercalated in the positive active substance layer provided with the barrier layer, and coats at least a part of particles in the positive active substance layer.Type: GrantFiled: December 29, 2021Date of Patent: October 1, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Kai Wu, Huihui Liu, Zhonghong Li, Long Wang, Tuo Zheng, Huan Che
-
Patent number: 12100805Abstract: Provided is a polymer electrolyte for lithium ion battery and a polymer battery, comprising polyether polymer and lithium salt, wherein the molar ratio of lithium ions in the lithium salt to oxygen atoms in ether bonds of the polyether polymer is more than 1/4; the polyether polymer comprises polymer of Formula 1: A-Rn; A is a hydrocarbyl group or an oxygen-containing hydrocarbyl group, n is an integer, and n?1; R is Ra and Rb are selected from alkylene, and Rx is selected from organic functional groups and halogen; m1 is a natural number greater than 0, n1 is a natural number, and when n1 is 0, n?3. Preferably, the ratio of the total number of carbon atoms in all repeating units of the polyether polymer to the total number of repeating units is over 4; More preferably, the polyether polymer has a branched structure.Type: GrantFiled: June 27, 2018Date of Patent: September 24, 2024Assignee: SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.Inventors: Qiao Shi, Qiujun Wang, Zhongbo Liu
-
Patent number: 12074285Abstract: The present disclosure provides an aqueous polymer electrolyte comprising a polymer electrolyte of a polymer of a single lithium salt, or a polymer of a single lithium salt and short-chain dimethylsiloxane or single fluoro ether, and water. The present disclosure further provides a lithium rechargeable battery comprising such an aqueous polymer electrolyte.Type: GrantFiled: December 7, 2021Date of Patent: August 27, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SHANGHAI JIAO TONG UNIVERSITYInventors: Jun Yang, Zhixin Xu, Yixi Kuai, Koji Suto
-
Patent number: 12015144Abstract: Core-shell particles may be based on red lead coated with pyrogenically produced titanium dioxide and/or a pyrogenically produced aluminum oxide, and a process may prepare such core-shell particles which may be used in lead-acid batteries. The red lead may include PbO2 in a range of from 25 to 32 wt. %.Type: GrantFiled: March 23, 2022Date of Patent: June 18, 2024Assignee: Evonik Operations GmbHInventors: Daniel Esken, Michael Glagla, Rainer Bussar, Micha Kirchgessner, Ian Klein
-
Patent number: 11923547Abstract: This application relates to the battery field, and specifically, to a positive electrode plate, an electrochemical apparatus, and an apparatus. The positive electrode plate in this application includes a current collector and an electrode active material layer disposed on at least one surface of the current collector, where the current collector includes a support layer and a conductive layer disposed on at least one surface of the support layer. A single-sided thickness D2 of the conductive layer satisfies 30 nm?D2?3 ?m. A thickness D1 of the support layer satisfies 1 ?m?D1?30 ?m. The support layer is made of a polymer material or a polymer composite material. The electrode active material layer includes electrode active materials, a binder, and a conductive agent.Type: GrantFiled: October 14, 2021Date of Patent: March 5, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Jing Li, Wei Li, Qingrui Xue, Zige Zhang, Yang Zhang, Pengxiang Wang, Yang Lu
-
Patent number: 11713140Abstract: A de-orbiting system for a space vehicle may include one or more lithium ion (Li-ion) batteries configured to release hot gases to be used for thrusting during de-orbiting of the apparatus. The system may also include one or more heaters surrounding each of the one or more Li-ion batteries, which are configured to send each of the one or more Li-ion batteries into a thermal runaway. The thermal runaway causes the one or more Li-ion batteries to release stored electrochemical energy within each of the one or more Li-ion batteries.Type: GrantFiled: June 11, 2020Date of Patent: August 1, 2023Inventors: Eric Joseph Nemanick, John H. Schilling, John D. Desain, Andrea G. Hsu, Brian B. Brady, Andrew C. Cortopassi
-
Patent number: 11616222Abstract: A main object of the present disclosure is to provide an all solid state battery wherein interface resistance between a current collector and an active material layer is low. In the present disclosure, the above object is achieved by providing an all solid state battery comprising: an electrode including a current collector, an electron conductive layer, and an active material layer, in this order, and a solid electrolyte layer formed on the active material layer side of the electrode, and the electron conductive layer is an agglutinate of metal particles or a metal foil, and electron conductivity of the electron conductive layer is 1×103 S/cm or more at 25° C.Type: GrantFiled: January 9, 2020Date of Patent: March 28, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki Matsushita, Kazuo Yaso
-
Patent number: 11539050Abstract: Provided are a current collector, an electrode plate, a battery and an application of the current collector. The current collector includes an insulation layer and a conductive layer. The insulation layer is configured to bear the conductive layer, the conductive layer is configured to bear an electrode active material layer. A room temperature film resistance RS of the conductive layer meets a conditional expression: 0.016?/??RS?420?/?. By the current collector of the present application, the short circuit resistance of the battery in case of an abnormal situation causing the short circuit can be greatly increased, and the short circuit current can be greatly reduced. Thus, influence of the short circuit damage on the battery is limited to a point range, and an interrupt in the current only occurs in a point range, without disrupting normal operation of the battery in a certain period time.Type: GrantFiled: November 30, 2017Date of Patent: December 27, 2022Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Chengdu Liang, Huafeng Huang, Qisen Huang
-
Patent number: 11502370Abstract: The present disclosure discloses a cylindrical or button battery. The battery includes a cap, a shell and a ring seal, wherein the cap and the shell are both of a tubular structure having a cover portion and are fitted together to form a hermetic space for accommodating a battery cell; the ring seal is located between a side wall of the cap and a side wall of the shell and is capable of shrinking or being torn when reaching a set temperature so as to form a slit between the side wall of the cap and the side wall of the shell to release pressure. The ring seal of the battery can shrink or be torn at the set temperature to release pressure, and therefore the battery is characterized by excellent safety.Type: GrantFiled: May 21, 2020Date of Patent: November 15, 2022Assignee: Guangdong Mic-Power New Energy Co., Ltd.Inventor: Shengyi Wang
-
Patent number: 11404682Abstract: The disclosed technology relates to electrodes of a battery cell. The electrodes include a current collector having a first non-rectangular shape, an active coated region having a second non-rectangular shape, an insulator coated region having a third non-rectangular shape, and an uncoated tab disposed adjacent to the insulator coated region. The insulator coated region is disposed along a periphery of the current collector along a plurality of sides or edges of the current collector providing several locations for the tab to be positioned.Type: GrantFiled: December 6, 2017Date of Patent: August 2, 2022Assignee: Apple Inc.Inventors: Yuriy Y. Londarenko, Shabab Amiruddin
-
Patent number: 11347296Abstract: Systems and methods for backlight dimming via buck-boost conversion in an information handling system (IHS) are described. In some embodiments, an IHS may include an embedded controller (EC), and a memory coupled to the EC, the memory having program instructions stored thereon that, upon execution, cause the EC to: determine a characteristic of a display having a backlight; and dim the display by controlling a buck-boost converter to reduce a voltage applied to the backlight.Type: GrantFiled: July 25, 2017Date of Patent: May 31, 2022Assignee: Dell Products, L.P.Inventors: Andrew Thomas Sultenfuss, Mitch Anthony Markow
-
Patent number: 11342563Abstract: An electrode includes a soft substrate, a metal layer in direct contact with the soft substrate, and a lithium layer formed directly on the metal layer, wherein the metal layer comprises wrinkles. The wrinkles are of a substantially uniform height, and the height is in a range of 100 nm to 20 ?m. The wrinkles are typically separated by a substantially uniform distance, and the distance is in a range of 100 nm to 1000 ?m. The wrinkles may be one dimensional or two dimensional. Fabricating an electrode includes forming a metal layer on a soft substrate, and forming a lithium layer on the metal layer. Forming the lithium layer on the metal layer yields uniform wrinkles in the metal layer. A battery may include the electrode as described.Type: GrantFiled: April 13, 2018Date of Patent: May 24, 2022Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Hanqing Jiang, Wei Zeng, Xu Wang
-
Patent number: 11322749Abstract: A battery using porous polymer materials with tapered or cone-shaped metalized pores. The types of batteries include, but are not limited to, Li—CoO2, Li—Mn2O4, Li—FePO4, Li—S, Li—O2, and other lithium cathode chemistries. The tapered metalized pores contain lithium metal in small reaction zones in the anode and cathode in a flexible structure. The form factor of such assembly would be very thin. Because of the thin form factor these electrodes would be suitable for batteries that require high power density, such certain electrical vehicles, power tools, and wearable devices.Type: GrantFiled: March 7, 2020Date of Patent: May 3, 2022Inventor: Slobodan Petrovic
-
Patent number: 11177479Abstract: The present disclosure relates to the field of battery and, in particular, relates to a current collector, an electrode plate including the current collector, and an electrochemical device. The current collector of the present disclosure includes an insulation layer and a conductive layer. The insulation layer is used to support the conductive layer. The conductive layer is used to support an electrode active material layer and is located on at least one surface of the insulation layer. The insulation layer has a density smaller than that of the conductive layer. The insulation layer has a thickness of D1 satisfying 1 ?m?D1?10 ?m. The conductive layer has a thickness of D2 satisfying 200 nm?D2?1.5 ?m. The insulation layer has a tensile strength greater than or equal to 150 MPa.Type: GrantFiled: December 5, 2018Date of Patent: November 16, 2021Assignee: Contemporary Amperex Technology Co., Ltd.Inventors: Chengdu Liang, Huafeng Huang, Qisen Huang
-
Patent number: 11133509Abstract: The present invention relates to a current collector comprising: a substrate, the substrate being made of a first material, the first material comprising a polymer, and a grid in contact with the substrate, the grid being made of a second material, the second material comprising metal particles.Type: GrantFiled: July 3, 2019Date of Patent: September 28, 2021Assignee: ARMORInventors: Pierre Guichard, Simon Berthome
-
Patent number: 11101493Abstract: The present disclosure provides a secondary battery and an electrode plate thereof. The electrode member comprises an insulating substrate, a first conducting layer and an active material layer; the first conducting layer is provided on a surface of the insulating substrate, the active material layer is provided at a side of the first conducting layer away from the insulating substrate; the first conducting layer is provided with a stripe-shape groove extending in a height direction, the stripe-shape groove is used for releasing stress of the first conducting layer. The secondary battery comprises an electrode assembly, the electrode assembly comprises the electrode member.Type: GrantFiled: February 5, 2019Date of Patent: August 24, 2021Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Chengdu Liang, Zige Zhang, Qingrui Xue, Wei Li, Jing Li, Pengxiang Wang
-
Patent number: 11031651Abstract: A battery pack and a method of assembling a battery pack. The battery pack may include an outer housing; a cell module supportable by the outer housing, the cell module including a module housing, a plurality of battery cells supported by the module housing, the battery cells having an energy of at least about 60 Watt-hours, a controller operable to control an operation of the battery pack, a conductive strap electrically connected to at least one of the battery cells, a weld strap connected between the controller and the conductive strap, and a terminal electrically connected to the battery cells and operable to connect the battery cells to an electrical device for power transfer; and a vapor-deposited, hydrophobic nano coating applied to at least a portion of the cell module.Type: GrantFiled: November 21, 2019Date of Patent: June 8, 2021Assignee: Milwaukee Electric Tool CorporationInventors: James P. Elfering, Cameron R. Schulz, Ryan B. Jipp, Samuel Sheeks, Kyle J. Radovich, Michael Kolden
-
Patent number: 11018344Abstract: A current collector for electrical storage device includes a sheet-shaped conductive substrate and a coating layer disposed on one or both sides of the conductive substrate. The coating layer includes a powdery carbon material, acid-modified polyvinylidene fluoride and polyvinylpyrrolidone. The content of the polyvinylpyrrolidone is 0.099 to 5.0 mass %. The content of the powdery carbon material in the coating layer is 15.0 to 45.0 mass %. Also disclosed is a coating liquid for producing the current collector for electrical storage device as well as a method for producing the current collector for electrical storage device.Type: GrantFiled: September 10, 2018Date of Patent: May 25, 2021Assignee: SHOWA DENKO K.K.Inventors: Akifumi Takeda, Takeshi Nakamura, Hitoshi Yokouchi
-
Patent number: 11005105Abstract: The present disclosure relates to the technical field of battery, and in particular, relates to a current collector, an electrode plate and an electrochemical device. The current collector includes an insulation layer; a conductive layer located on at least one surface of the insulation layer; and a first protective layer provided on a surface of the conductive layer facing away from the insulation layer. The first protective layer is made of a metal. The current collector is provided with a plurality of holes penetrating through the insulation layer, the conductive layer and the first protective layer.Type: GrantFiled: April 19, 2019Date of Patent: May 11, 2021Assignee: Contemporary Amperex Technology Co., LimitedInventors: Chengdu Liang, Huafeng Huang, Qisen Huang, Xin Liu
-
Patent number: 10985377Abstract: The present disclosure relates to the technical field of battery, and in particular, relates to a current collector, an electrode plate including the current collector, and an electrochemical device. The current collector includes an insulation layer; and a conductive layer at least located on at least one surface of the insulation layer. The conductive layer has a room temperature thin film resistor of RS, where 0.01?/??RS?0.15?/?. The current collector is provided with a plurality of holes penetrating through the insulation layer and the conductive layer.Type: GrantFiled: March 27, 2019Date of Patent: April 20, 2021Inventors: Chengdu Liang, Huafeng Huang, Qisen Huang, Xin Liu
-
Patent number: 10944112Abstract: The present disclosure relates to the technical field of battery, and in particular, relates to a current collector, an electrode plate including the current collector, and an electrochemical device. The current collector includes an insulation layer; and a conductive layer at least located on at least one surface of the insulation layer. The conductive layer has a thickness of D2, where 30 nm?D2?3 ?m. The current collector is provided with a plurality of holes penetrating through the insulation layer and the conductive layer.Type: GrantFiled: March 27, 2019Date of Patent: March 9, 2021Inventors: Chengdu Liang, Huafeng Huang, Qisen Huang, Xin Liu
-
Patent number: 10741851Abstract: Provided is a bipolar plate-electrode assembly used in a redox flow battery stack, in which a bipolar plate (140) is made of a thermoplastic resin, electrodes (170A, 170B) disposed on both sides of the bipolar plate are thermally compressed at a central portion of the bipolar plate so as to be permeated into the bipolar plate, the size of the bipolar plate is larger than that of the electrodes, and fiber mats (150A, 150B) are hot-pressed so as to be permeated in an periphery (141) the bipolar plate which is a larger area than the electrodes.Type: GrantFiled: November 6, 2017Date of Patent: August 11, 2020Assignee: H2, INC.Inventors: Se Goo Kang, Yujong Kim, Kyung Mae Park, Shin Han
-
Patent number: 10622640Abstract: The present patent application relates to a device for a lithium electrochemical generator, said device comprising a band (100) of electrical insulating material including at least one polymer, and at least one metallic layer (102) which forms a current collector and is deposited on at least one of the two main faces in the central part of the band. The central part (100C) of the band comprises a plurality of holes (101) emerging on its two opposite main faces, said holes being filled at least partially with a metal that is continuous with each deposited metallic layer. The periphery of the band (100P) is devoid of metallic layer and at least one metallic layer is covered with an electrode of lithium insertion material.Type: GrantFiled: July 1, 2013Date of Patent: April 14, 2020Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Jean-Francois Damlencourt, Marianne Chami
-
Patent number: 10446840Abstract: Systems and methods which provide flexible zinc ion (Zn-ion) battery configurations with shape memory are described. For example, embodiments of flexible shape memory yarn batteries (SMYBs) may be fabricated using shape memory material wire, filament, and/or fiber and flexible conductive material yarn as flexible substrate materials. In accordance with some embodiments, Nickel-Titanium-based alloy wire may be coated with a zinc material to provide a flexible anode electrode for a SMYB. Additionally or alternatively, flexible stainless steel (SS) yarn may be coated with a manganese dioxide (MnO2) material to provide a flexible cathode electrode for a SMYB of embodiments. An aqueous electrolyte may be combined with the flexible cathode and anode electrodes to provide a SMYB in accordance with the concepts herein. The aqueous electrolyte may, for example, comprise a polymer gel electrolyte (e.g., gelatin-borax polymer gel electrolyte).Type: GrantFiled: November 7, 2017Date of Patent: October 15, 2019Assignee: City University of Hong KongInventors: Zifeng Wang, Chunyi Zhi
-
Patent number: 10396364Abstract: Provided are a non-woven fabric current collector and a method and system of fabricating a battery using the same. An electrode according to an embodiment of the present invention includes a non-woven fabric current collector including a conductive non-woven fabric sheet including a network of conductive fibers and pores for communication between a main surface and the interior thereof; and conductive patterns partially blocking the pores on the main surface of the conductive non-woven fabric sheet.Type: GrantFiled: June 9, 2014Date of Patent: August 27, 2019Assignee: Jenax Inc.Inventors: Chang Hyeon Kim, Min Gyu Choi, Lee Hyun Shin
-
Patent number: 10386656Abstract: Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities composing active cathode chemistry. The active elements of the cathode and anode are sealed with a biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.Type: GrantFiled: December 8, 2017Date of Patent: August 20, 2019Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner, Frederick A. Flitsch, Shivkumar Mahadevan
-
Patent number: 10221485Abstract: Electrochemical cells for a lithium-ion battery are formed on a conductive wire substrate drawn through a multi-chamber deposition reactor, then assembled together in series and parallel connection to create a fail-safe battery. The wire substrate acts as current-limiting fuse that melts when there is a short affecting that cell, while remaining cells of the battery continue to operate. Each cell has solid-state thin film layers concentrically nucleated and grown over a length of the wire substrate as it is drawn through the successive deposition sections, including at least a first electrochemical active material layer, ion-exchange material layer, a second electrochemical active material layer, which is followed by deposition of a conductive layer forming an outer current collector and hermetic seal for the cell. The active material layers form electrodes (cathode and anode), wherein the anode may be formed as a multi-layer composite with stress-absorbing compliant layers.Type: GrantFiled: January 9, 2015Date of Patent: March 5, 2019Assignee: Adavolt, Inc.Inventors: Deepak Upadhyaya, Mark J. Isaacson
-
Patent number: 10170768Abstract: The invention relates to a grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator having a frame and a grid arranged thereon, wherein the frame comprises at least one upper frame element having a connecting lug of the battery electrode disposed on its side facing away from the grid, and wherein the grid is at least formed by horizontal bars, which are bars extending substantially horizontally, and vertical bars, which are bars extending substantially vertically, wherein at least some of the vertical bars are arranged at different angles to one another in the shape of a fan. The invention further relates to an accumulator.Type: GrantFiled: October 8, 2014Date of Patent: January 1, 2019Assignee: Johnson Controls Autobatterie GmbH & Co. KGaAInventors: Armin Staffeldt, Ingo Koch, Bernd Ide, Ornwasa Traisigkhachol
-
Patent number: 9847560Abstract: An electrochemical energy storage cell is configured to repeatedly store electrical energy, and includes two electrodes, and at least one reference electrode element to enable determining an electrode potential of at least one of the two electrodes. A rechargeable battery, and in particular to a rechargeable lithium-ion battery, includes the electrochemical energy storage cell, and is configured to supply electrical energy to an electrical load. A method includes determining an electrode potential of at least one of the two electrodes with reference to the at least one reference electrode element.Type: GrantFiled: April 10, 2015Date of Patent: December 19, 2017Assignees: Robert Bosch GmbH, Samsung SDI Co., Ltd.Inventor: Markus Kohlberger
-
Patent number: 9525177Abstract: An electrical storage device includes high surface area fibers (e.g., shaped fibers and/or microfibers) coated with carbon (graphite, expanded graphite, activated carbon, carbon black, carbon nanofibers, CNT, or graphite coated CNT), electrolyte, and/or electrode active material (e.g., lead oxide) in electrodes. The electrodes are used to form electrical storage devices such as electrochemical batteries, electrochemical double layer capacitors, and asymmetrical capacitors.Type: GrantFiled: November 18, 2009Date of Patent: December 20, 2016Assignee: Johnson Controls Technology CompanyInventors: Richard M. Sturgeon, Dennis A. Wetzel, Robert G. Gruenstern, William J. Wruck, Ramachadran Subbaraman, James Symanski, Eberhard Meissner
-
Patent number: 9520615Abstract: Disclosed are a thin film battery in which a negative electrode active material and a substrate side react with each other to prevent battery performance from deteriorating, and to a method for manufacturing same. The thin film battery according to the present invention has a structure in which a negative electrode active material contacts a substrate. Here, a first surface treatment layer containing the negative electrode active material and a non-reactive material are disposed on at least the portion where the negative electrode active material contacts the surface of the substrate.Type: GrantFiled: November 2, 2012Date of Patent: December 13, 2016Assignee: APPLIED MATERIALS, INC.Inventors: Young Jin Yoon, Jae Hwan Ko
-
Patent number: 9373848Abstract: The present invention provides a conductive protective layer-forming paste for current collector laminates which can be used even for high voltage designs to protect current collectors from corroding without loss of cell characteristics, and a current collector laminate, an electrode laminate, and nonaqueous secondary cells (e.g. a lithium secondary cell, an electric double layer capacitor) that include a conductive protective layer formed therefrom. The paste for forming conductive protective layers for current collector protection includes: polytetrafluoroethylene; and a conductive filler (b). The current collector laminate includes: a conductive protective layer (A); and a current collector (B), the conductive protective layer (A) being formed by coating the paste for forming conductive protective layers onto the current collector (B).Type: GrantFiled: September 16, 2011Date of Patent: June 21, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Meiten Koh, Hideo Sakata, Tomoyo Sanagi, Hitomi Nakazawa, Hiroyuki Arima, Toshiki Ichisaka, Kenzou Takahashi
-
Patent number: 9270073Abstract: It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body for a current collector which is suitably used for electrodes for nonaqueous electrolyte batteries and electrodes for capacitors, an electrode and a capacitor each using the same. In such a three-dimensional network aluminum porous body for a current collector, the aluminum porous body has been made to have a compressive strength in a thickness direction of 0.2 MPa or more in order to efficiently fill an active material into the sheet-shaped three-dimensional network aluminum porous body.Type: GrantFiled: May 9, 2013Date of Patent: February 23, 2016Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura
-
Patent number: 9153805Abstract: Provided is a cylindrical secondary battery, comprising an electrode assembly having a cathode plate, an anode plate, and a separator interposed therebetween; a case for receiving the electrode assembly; a cap assembly for sealing an open-end of the case; and a gasket interposed between the case and the cap assembly, wherein the gasket is made of a polymer resin having a melting point of 200° C. or higher and a hardness of 100D or less.Type: GrantFiled: June 14, 2013Date of Patent: October 6, 2015Assignee: LG CHEM, LTD.Inventors: Je-Jun Lee, Sung-Jong Kim, Cha-Hun Ku
-
Patent number: 9153837Abstract: A method of manufacturing an energy storage device electrode in which breakage of electrode particles and warping of a collector are reduced, and internal resistance is lowered by lowering the contact resistance between the collector and an electrode layer. The method manufactures an electric double-layer capacitor electrode, and includes: forming a plurality of grooves that run in one direction in each of a front surface and rear surface of a collector foil; subsequently providing an electrode layer that includes plural electrode particles on each of the front surface and rear surface of the collector foil; and subsequently pressing the electrode layer toward the collector foil to move the plurality of electrode particles along the plurality of grooves until the plural electrode particles dig into the plurality of grooves.Type: GrantFiled: March 17, 2010Date of Patent: October 6, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenro Mitsuda, Kazuki Kubo, Shigeru Aihara, Daigo Takemura
-
Patent number: 9093707Abstract: A lithium metal thin-film battery composite structure is provided that includes a combination of a thin, stable, solid electrolyte layer [18] such as Lipon, designed in use to be in contact with a lithium metal anode layer; and a rapid-deposit solid electrolyte layer [16] such as LiAlF4 in contact with the thin, stable, solid electrolyte layer [18]. Batteries made up of or containing these structures are more efficient to produce than other lithium metal batteries that use only a single solid electrolyte. They are also more resistant to stress and strain than batteries made using layers of only the stable, solid electrolyte materials. Furthermore, lithium anode batteries as disclosed herein are useful as rechargeable batteries.Type: GrantFiled: June 11, 2007Date of Patent: July 28, 2015Assignee: Alliance for Sustainable Energy, LLCInventors: Se-Hee Lee, C. Edwin Tracy, John Roland Pitts, Ping Liu
-
Patent number: 9040202Abstract: A composite material tape and a lithium secondary battery using the same are provided. The composite material tape includes an organic base and at least one inorganic element dispersed within the organic base. The composite material tapes of the present invention exhibit improved Insulative and heat-resistant characteristics.Type: GrantFiled: February 22, 2012Date of Patent: May 26, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Cheon Soo Kim, Hong Sup Lim, Sang Won Lee
-
Publication number: 20150118552Abstract: A composite having an electrically conductive substrate and a polymer derived from a vinyl-containing siloxane monomer coating on the substrate. A method of electropolymerizing a vinyl-containing siloxane monomer to form a coating on an electrically conductive substrate.Type: ApplicationFiled: October 29, 2014Publication date: April 30, 2015Applicant: The Government of the United States of America, as represented by the Secrelary of the NavyInventors: Megan B. Sassin, Jeffrey W. Long, Debra R. Rolison
-
Patent number: 9005817Abstract: A lithium battery electrode body includes: a collector electrode; and an electrode mixture layer in which a plurality of first particles including electrode active material and a plurality of second particles including solid electrolyte are mixed, wherein the electrode mixture layer is provided on one of sides of the collector electrode, and an average particle size of the plurality of second particles is smaller than an average particle size of the plurality of first particles.Type: GrantFiled: August 9, 2010Date of Patent: April 14, 2015Assignee: Seiko Epson CorporationInventor: Sukenori Ichikawa
-
Patent number: 8974971Abstract: A positive electrode for a rechargeable lithium ion battery includes a mixture layer including a positive-electrode active material, a conducting agent, and a binder and a collector having the mixture layer formed on the surface thereof. The positive-electrode active material is a composite oxide having an olivine structure expressed by a formula LiaMxPO4 (where M represents a transition metal including at least one of Fe and Mn and a and x satisfy 0<a?1.1 and 0.9?x?1.1). The conducting agent includes fibrous carbon. A carbon coating layer is formed on the surface of the collector. A part of the positive-electrode active material and a part of the fibrous carbon enter pits formed in the carbon coating layer.Type: GrantFiled: July 30, 2012Date of Patent: March 10, 2015Assignee: Hitachi, Ltd.Inventors: Toyotaka Yuasa, Mitsuru Kobayashi, Sai Ogawa, Masanari Oda, Kan Kitagawa
-
Patent number: 8951675Abstract: The disclosed embodiments provide a battery cell. The battery cell includes a cathode current collector containing graphene, a cathode active material, an electrolyte, an anode active material, and an anode current collector. The graphene may reduce the manufacturing cost and/or increase the energy density of the battery cell.Type: GrantFiled: October 13, 2011Date of Patent: February 10, 2015Assignee: Apple Inc.Inventors: Ramesh C. Bhardwaj, Richard M. Mank
-
Publication number: 20140363742Abstract: A battery electrode with a pasting textile, fabric, or scrim made with an electrode grid (e.g., a stamped grid or expanded metal grid) coated in battery electrode and covered with pasting textile formed of a bonded, non-woven fiber web. The web is formed from one or more fibers with an average length greater than 20 ?m. In various embodiments, the web is formed from one or more spun, continuous fibers. The battery electrode may be made in a continuous process where multiple grids are formed in a single sheet, coated with electrode active material and the scrim before being cut into individual electrodes.Type: ApplicationFiled: August 22, 2014Publication date: December 11, 2014Inventors: Dennis A. Wetzel, Ramachandran Subbaraman, Christopher P. Kaniut, William J. Ross, Annette Holbrook, Jerome R. Heiman, Eric A. Sattler, Derrick L. Jennings, Donald Hennessey, JR.
-
Patent number: 8883352Abstract: To provide a surface modified lithium-containing composite oxide having excellent discharge capacity, volume capacity density, safety, durability for charge and discharge cycles, and high rate property. A surface modified lithium-containing composite oxide, comprising particles of a lithium-containing composite oxide having a predetermined composition and a lithium titanium composite oxide containing lithium, titanium and element Q (wherein Q is at least one element selected from the group consisting of B, Al, Sc, Y and In) contained in the surface layer of the particles, wherein the lithium titanium composite oxide is contained in the surface layer of the particles in a proportion of the total amount of titanium and element Q in the lithium titanium composite oxide contained in the surface layer to the lithium-containing composite oxide particles is from 0.01 to 2 mol %, and the lithium titanium composite oxide has a peak at a diffraction angle 2? within a range of 43.8±0.Type: GrantFiled: August 3, 2011Date of Patent: November 11, 2014Assignee: AGC Seimi Chemical Co., Ltd.Inventors: Remi Hiraki, Takeshi Kawasato
-
Patent number: 8815452Abstract: The present invention relates to one or more electrode plates, which are installed with current collecting terminals at two or more sides thereof, and joined to an auxiliary conductor made of a material having a conductivity that is higher than that of the electrode plates. Current collecting terminals are installed at two or more sides of the auxiliary conductor, for linking with current collecting terminals installed at two or more sides of the electrode plates, and at least one of linked terminals is used as a general current collecting terminal to output current to an external part or to receive input current from the external part. Finally, insulators installed between the auxiliary conductor and the electrode plates to constitute an electrode unit.Type: GrantFiled: August 28, 2013Date of Patent: August 26, 2014Inventor: Tai-Her Yang
-
Patent number: 8808921Abstract: Disclosed are a current collector for a flexible electrode, a method of manufacturing the same, and a negative electrode including the same. The current collector for a flexible electrode includes: a flexible polymer substrate; a cross-linkable polymer layer disposed on the polymer substrate; and a metal layer disposed on the cross-linkable polymer layer, wherein the surface of the cross-linkable polymer layer includes a plurality of protrusions and grooves.Type: GrantFiled: May 18, 2010Date of Patent: August 19, 2014Assignee: Unist Academy-Industry Research CorporationInventors: Soojin Park, Jae-Phil Cho, Hyun-Kon Song, Jung-In Lee
-
Publication number: 20140193713Abstract: Electrochemical cells having desirable electronic and ionic conductivities, and associated systems and methods, are generally described.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: Sion Power CorporationInventors: Karthikeyan Kumaresan, Christopher T.S. Campbell, Bala Sankaran
-
Patent number: 8715861Abstract: A bipolar secondary battery is provided with an electric power generating unit, a pair of terminal plates. The electric power generating unit includes a plurality of bipolar electrodes stacked on one another with an electrolyte layer disposed between the bipolar electrodes and separating the bipolar electrodes. Each of the bipolar electrodes includes a collector with a positive electrode active material layer formed on a first side surface of the collector, and a negative electrode active material layer formed on a second side surface of the collector. The first terminal plate is connected to a first stacking direction facing end of the electric power generating unit. The second terminal plate is connected to a second stacking direction facing end of the electric power generating unit. At least one of the terminal plates includes an electric current suppressing device that suppresses an electric current occurring when an internal short circuit occurs in the electric power generating unit.Type: GrantFiled: October 19, 2009Date of Patent: May 6, 2014Assignee: Nissan Motor Co., Ltd.Inventors: Sohei Suga, Masanori Aoyagi, Kenji Ohara, Yasuo Ohta, Junji Katamura, Motoharu Obika, Kenji Hosaka, Hideaki Horie, Shigeo Watanabe