Including Coating Or Impregnating Patents (Class 29/623.5)
  • Patent number: 10541416
    Abstract: Provided is a binder for lithium ion secondary battery positive electrodes, which is capable of providing a positive electrode for lithium ion secondary batteries with excellent high-rate discharge characteristics. A binder for lithium ion secondary battery positive electrodes, which contains a binder resin and 500 ppm or less of an oil-soluble radical initiator.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: January 21, 2020
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Yasuhito Ushijima, Junichi Fujishige, Shun Hashimoto, Yuji Kinpara
  • Patent number: 10537022
    Abstract: A flexible electronic system includes a flexible electronic substrate having a first and second contact pads opposed to each other, one of the first and second contact pads is electrically coupled to a battery. A protective cover is disposed on the flexible electronic substrate. The flexible electronic system further includes a base support fixedly attached to the flexible electronic substrate, the base support having an adhesive surface opposed to the flexible electronic substrate, and a foil having a first portion removably coupled to at least a portion of the adhesive surface and a second portion, wherein the foil configures to permit a removal of the second portion disposed between the first and second contact pads and wherein the removal of the second portion activates the system.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: January 14, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Christian Peters, Seow Yuen Yee, Bongsang Kim
  • Patent number: 10487235
    Abstract: The present disclosure provides a battery pack component including a self-healing coating. The self-healing coating is disposed on at least a portion of a surface of the battery pack component. The self-healing coating includes a first precursor including a cyclic ether capable of reacting in a self-healing cationic ring-opening polymerization reaction. The self-healing coating further includes an initiator including an alkali metal salt. The self-healing cationic ring-opening polymerization reaction occurs when a defect is present in the self-healing coating. In certain aspects, the cyclic ether may include 1,3-dioxolane (C3H6O2) and the initiator may include lithium bis(fluorosulfonyl)imide (F2NaNO4S2). In other aspects, the self-healing coating may include a second precursor that is capable of copolymerizing with the first precursor. In still other aspects, the present disclosure provides a method of making a self-healing coating for a battery pack component.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: November 26, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Fang Dai, Mei Cai, Tao Wang, Mohammed Bahauddin, Sherman Zeng
  • Patent number: 10468721
    Abstract: An electrochemical cell including at least one nitrogen-containing compound is disclosed. The at least one nitrogen-containing compound may form part of or be included in: an anode structure, a cathode structure, an electrolyte and/or a separator of the electrochemical cell. Also disclosed is a battery including the electrochemical cell.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: November 5, 2019
    Assignee: Sion Power Corporation
    Inventors: Zhaohui Liao, Chariclea Scordilis-Kelley, Yuriy Mikhaylik
  • Patent number: 10461358
    Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, a polymer layer on the separator, the polymer layer including a polyvinylidene fluoride based polymer, and an electrolyte solution including an alkyl propionate.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: October 29, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Cheon-Soo Kim
  • Patent number: 10424776
    Abstract: Using the generally used coating method of an active material paste to a metal foil on a 3DF made the electrode properties instable due to residual air inside of the 3DF, and had the risk of causing micro short circuit of the battery due to metal fine powder and the like adhered to the 3DF and the 3DF exposed to the electrode surface. To solve the above-mentioned, the coating of the active material paste to the 3DF was made into a two-step coating process as shown below. Step one removes the air and fills the paste at the same time by applying the paste flow from one side of the 3DF (the first step coating process). Step two coats a new paste onto the surface of the electrode obtained by step one (the second step coating process).
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: September 24, 2019
    Assignee: Japan Capacitor Industrial Co., Ltd.
    Inventors: Isao Matsumoto, Hua Zhou, Koji Yoshioka
  • Patent number: 10403874
    Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein an electroactive anode metal layer, such as a lithium metal layer, is deposited directly on a porous separator, such as a nanoporous separator layer.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 3, 2019
    Assignee: Optodot Corporation
    Inventor: Steven A. Carlson
  • Patent number: 10361437
    Abstract: A proton exchange membrane fuel cell that includes: a positive electrode; a negative electrode; a polyelectrolyte membrane; and platelet-shaped nanoparticles of gold, platinum, palladium, silver, copper or their alloys or mixtures thereof. The polyelectrolyte membrane includes a sulfonated tetrafluoroethylene based fluoropolymer-copolymer and is disposed between the positive electrode and the negative electrode. The nanoparticles contact the surface of the proton exchange membrane increase the efficiency of the fuel cell by at least 50%.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: July 23, 2019
    Assignee: The Research Foundation for The State University of New York
    Inventors: Hongfei Li, Miriam Rafailovich, Cheng Pan
  • Patent number: 10333136
    Abstract: The present disclosure is intended to solve non-uniform distribution of a polymer binder in an electrode active material layer and to improve the adhesion between an electrode current collector and an electrode active material layer. The present disclosure provides a method for manufacturing an electrode which includes the steps of: (S1) applying electrode slurry containing an electrode active material, a polymer binder and a conductive material dispersed in a solvent to one surface of an electrode current collector; (S2) stacking a polymer film onto the top surface coated with the electrode slurry; (S3) drying the electrode current collector having the polymer film stacked thereon to allow evaporation of the solvent; and (S4) rolling the electrode current collector having the polymer film stacked thereon to obtain an electrode.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: June 25, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dae-Soo Kim, Jin-Ho Yang
  • Patent number: 10333148
    Abstract: Density modulated thin film electrodes, methods of making the same, and applications of the same. The density modulated thin film electrode includes a substrate formed of a current collecting material, and a thin film formed of an electrode material on the substrate. The thin film has a first surface and an opposite, second surface, and a density that is changed with a distance defined from the first surface to a plane in the thin film, the plane being parallel to the first surface. The method includes depositing the electrode material on the substrate to form the thin film, where, during deposition of the electrode material, a pressure of an operating gas is controlled and changed to a predetermined pressure value according to a deposited thickness of the electrode material, so as to make the density of the thin film changed with the distance.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: June 25, 2019
    Assignee: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS
    Inventors: Tansel Karabacak, Muhammed Taha Demirkan
  • Patent number: 10326160
    Abstract: A cathode and a battery including a cathode active material including a layer-structured material having a composition of xLi2MO3-(1-x)LiMeO2; and a metal oxide having a perovskite structure. The cathode active material may have improved structural stability by intermixing a metal oxide having a similar crystalline structure with the layer-structured material, and thus, life and capacity characteristics of a cathode and a lithium battery including the metal oxide may be improved.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung-hoon Kim, Kyu-sung Park, Min-sik Park, Jin-hwan Park
  • Patent number: 10326159
    Abstract: A battery, a battery element and a method for forming a battery element are provided. In an embodiment, a battery element includes a substrate with a plurality of trenches extending into the substrate, wherein a part of a trench of the plurality of trenches is filled with a solid state battery structure, and wherein the trench of the plurality of trenches comprises a cavity.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: June 18, 2019
    Assignee: Infineon Technologies AG
    Inventors: Marko Lemke, Peter Brockhaus, Jirko Lohse
  • Patent number: 10312478
    Abstract: A battery pack is disclosed. In one aspect, the battery pack includes an electrode assembly and a case accommodating the electrode assembly, wherein the case includes first and second walls facing each other and respectively concave and convex with respect to the electrode assembly. The battery pack also includes an uneven portion formed on the second wall.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: June 4, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Jae-Il Seong
  • Patent number: 10312499
    Abstract: Particles of active electrode material for a lithium secondary battery are coated with a precursor material which is either a carbon-based polymer or a metal and oxygen containing compound. The precursor material-coated particles are injected into a gas stream and momentarily exposed to an atmospheric plasma at a predetermined energy level and temperature up to about 3500° C. The plasma treatment converts (i) the carbon polymer to submicron size carbon particles or (ii) the metal compound to metal oxide particles on the surfaces of the particles of electrode material. In preferred embodiments of the invention the plasma treated coated active electrode material particles are carried by the gas stream and deposited onto an electrode material bearing substrate for a lithium battery cell.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: June 4, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Zhiqiang Yu, Xiaohong Q. Gayden
  • Patent number: 10305100
    Abstract: A composite cathode active material including an overlithiated metal oxide having a layered structure, a material having an olivine structure, and one or more of: an inorganic material, and nitrogen atoms doped in the material having an olivine structure. The inorganic material includes a nitride or carbide of a non-transition metal. The composite cathode active material may be included in a cathode, and the cathode may be included in a lithium battery.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: May 28, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-yeon Kim, Kyu-sung Park, Young-min Choi, Won-chang Choi, Min-sang Song, Gue-sung Kim, Ryoung-hee Kim
  • Patent number: 10301999
    Abstract: A combined heat exchanging and fluid mixing apparatus including a first conduit (44) for guiding a cool fluid through the first conduit and a second conduit (55) for guiding a hot gas through the second conduit. A heat conductive element (2) is arranged between the first conduit (44) and the second conduit (55) for transferring heat from the hot gas to the cool fluid. The apparatus further includes a third conduit (45) for guiding an exhaust fluid. The third conduit (45) comprises an exhaust fluid inlet (46) for introducing an exhaust fluid into the apparatus for mixing of the exhaust fluid with the hot gas and for a chemical reaction of the so formed exhaust fluid/hot gas mixture in the second conduit (55).
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 28, 2019
    Assignee: Bosal Emission Control Systems NV
    Inventors: Yves De Vos, Freddy Wollants, Jean-Paul Hubert Janssens
  • Patent number: 10305138
    Abstract: Disclosed is an electrode whose surface includes an organic/inorganic composite porous coating layer comprising heat-absorbing inorganic particles and a binder polymer, wherein the heat-absorbing inorganic particle is at least one particle selected from the group consisting of antimony-containing compounds, metal hydroxides, guanidine-based compounds, born-containing compounds and zinc tartrate compounds. A separator using the heat-absorbing inorganic particles as a component for forming or coating the separator, and an electrochemical device including the electrode and/or the separator are also disclosed. The separator using the heat-absorbing inorganic particles as a component for forming or coating the separator can ensure excellent thermal safety and minimizes degradation of the quality of a battery.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: May 28, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seok-Koo Kim, Hyun-Min Jang, Sang-Young Lee, Jang-Hyuk Hong
  • Patent number: 10297862
    Abstract: An electrochemical cell includes solid-state, printable anode layer, cathode layer and non-aqueous gel electrolyte layer coupled to the anode layer and cathode layer. The electrolyte layer provides physical separation between the anode layer and the cathode layer, and comprises a composition configured to provide ionic communication between the anode layer and cathode layer by facilitating transmission of multivalent ions between the anode layer and the cathode layer.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: May 21, 2019
    Assignees: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, IMPRINT ENERGY, INC.
    Inventors: Paul K. Wright, James W. Evans, Christine Ho
  • Patent number: 10263307
    Abstract: Provided herein is an anode for a lithium air battery with a long lifetime and high lithium ion conductivity and a method for preparing thereof. The anode includes a lithium metal and a protective layer disposed on one surface of the lithium metal, in which the protective layer includes an inorganic material-based solid electrolyte powder dispersed in a polymer matrix.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: April 16, 2019
    Assignee: Hyundai Motor Company
    Inventors: Jong Chan Song, Ho Taek Lee, Sam Ick Son
  • Patent number: 10224571
    Abstract: The performance and durability of an electrochemical cell using a lithium metal based anode and a compatible lithium-accepting cathode are improved by the use of a suitable lithium electrolyte salt and a new liquid co-solvent mixture for the electrolyte. The co-solvent mixture comprises a non-aqueous ionic liquid, conductive of lithium ions, and a liquid fluorinated organic ether.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: March 5, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Li Yang, Mei Cai, Fang Dai, Gayatri V. Dadheech
  • Patent number: 10218005
    Abstract: According to one embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte including a water-containing solvent and a lithium ion. The negative electrode includes an aluminum-containing negative electrode current collector and a boehmite-containing cover layer, and the boehmite-containing cover layer is provided on at least a part of a surface of the negative electrode current collector, and has a thickness of 10 nm to 1000 nm.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: February 26, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasunobu Yamashita, Shinsuke Matsuno, Norio Takami, Hiroki Inagaki
  • Patent number: 10218031
    Abstract: One variation of a battery unit includes: a substrate including silicon and defining a cell, wherein the cell includes a base encompassed by a continuous wall and a set of posts extending normal to the base; an electrolyte material coating vertical surfaces of each post, in the set of posts, and vertical surfaces of the continuous wall in the cell; a cathode material filling the cell over the electrolyte material, between posts in the set of posts, and between the set of posts and the continuous wall; a seal extending along a top of the continuous wall; and a cathode current collector bonded to the seal, electrically coupled to the cathode material, and cooperating with the substrate to enclose the cell to form a single-cell battery.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: February 26, 2019
    Assignee: Millibatt, Inc.
    Inventors: Janet Hur, Leland Smith, Cheolwoong Lim, Guangyi Sun
  • Patent number: 10211433
    Abstract: In a first embodiment, a pre-formed pouch is provided that includes a plurality of walls joined in order to define an aperture. An assembly may be inserted into the aperture, which may then be sealed. Further, the pre-formed pouch may be fitted to the shape or dimensions of the assembly that will be inserted. In a second embodiment, an assembly may be covered in a plurality of layers of material, such as first layer of plastic, a layer of metal, and then a second layer of plastic. Each of the coverings may be formed by dipping the assembly in plastic or metal (or other material), molding layers around the assembly, coating the assembly in the layers, vapor depositing plastic or metal (or other material) onto the assembly, and/or a combination of these operations.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: February 19, 2019
    Assignee: Apple Inc.
    Inventors: George V. Anastas, Gregory A. Springer, Jack B. Rector, III, Joshua R. Funamura, Kenneth M. Silz
  • Patent number: 10181619
    Abstract: An organic acid included in a nonaqueous electrolyte solution of a secondary battery is reduced. During preparation of a film-covered battery 1, the nonaqueous electrolyte solution is injected into an covering 5 of the film-covered battery 1 having an electrode including: the electrode active material, the binder, and the organic acid, the organic acid in the nonaqueous electrolyte solution is decomposed by electrical charging of a battery until a voltage level is equal to or above a decomposition voltage of the organic acid, and the gas that is produced by decomposition is degassed from the cut portion 6 of the covering 5.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: January 15, 2019
    Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATION
    Inventors: Hidetoshi Tamura, Ippei Waki, Tatsuji Numata, Hiroshi Yageta
  • Patent number: 10177418
    Abstract: A secondary battery structure includes a first electrode structure including a plurality of first electrode elements spaced apart from each other and disposed in a form of an array, a second electrode structure spaced apart from the first electrode structure and including a second electrode element, and an electrolyte which allows ions to move between the first electrode structure and second electrode structure, where the first electrode structure and the second electrode structure define a cathode and an anode, and the number of the first electrode elements and the number of the second electrode element are different from each other.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woosung Jeon, Jeoyoung Shim, Gyeongsu Park, Jooho Lee, Heegoo Kim, Jaewoo Lee
  • Patent number: 10135064
    Abstract: To provide a cathode active material for a lithium ion secondary battery excellent in the cycle characteristics and rate characteristics even when charging is conducted at a high voltage. A cathode active material for a lithium ion secondary battery, which comprises particles (III) having a covering layer comprising a metal oxide (I) containing at least one metal element selected from the group consisting of Al, Y, Ga, In, La, Pr, Nd, Gd, Dy, Er and Yb, and a compound (II) containing Li and at least one non-metal element selected from the group consisting of S and B, on the surface of a lithium-containing composite oxide, wherein the atomic ratio (the non-metal element/the metal element) contained within 5 nm of the surface layer of the particles (III) is within a specific range.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: November 20, 2018
    Assignee: SUMITOMO CHEMICAL CO., LTD.
    Inventors: Takeshi Kawasato, Kentaro Tsunozaki, Haisheng Zeng, Yasuyuki Takimoto, Toshio Suzuki
  • Patent number: 10128539
    Abstract: An electrolyte suitable for use in lithium ion batteries contains 100 parts by weight of aprotic solvent, 1 to 50 parts by weight of lithium-containing conducting salt, 4 to 50 parts by weight of vinylene carbonate, and cyclic phosphonamide of the general formula 1 in which R1, R2, R3 are each hydrocarbyl which is unsubstituted or substituted by fluoro, chloro or silyl groups and which has 1-20 carbon atoms, where two or three of the radicals R1, R2, R3 may be joined to one another, and n has a value of 0, 1, 2, 3, 4 or 5. The electrolyte is used in a lithium-ion battery which comprises a cathode, an anode, a separator, and the electrolyte.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 13, 2018
    Assignee: WACKER CHEMIE AG
    Inventors: Daniel Braeunling, Frank Deubel
  • Patent number: 10126373
    Abstract: An inspection method of a secondary battery according to the present invention includes: a charging step of charging an inspection target cell to a predetermined voltage set in advance; a voltage drop amount calculation step of calculating an amount of a voltage drop due to discharge by discharging the inspection target cell at a voltage of not more than the predetermined voltage; a non-defective product determination step of determining that the inspection target cell is a non-defective product, when the voltage drop amount is a threshold or less; and an aging step of performing aging after the non-defective product determination step.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: November 13, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yosuke Shimura, Tomohide Sumi, Yoshio Matsuyama
  • Patent number: 10128521
    Abstract: A heat treatment device of a membrane-electrode assembly for a fuel cell for heat-treating a membrane-electrode assembly sheet includes an electrolyte membrane and electrode catalyst layers continuously adhered onto both surfaces of the electrolyte membrane, the heat treatment device of a membrane-electrode assembly for a fuel cell including: i) a feeding roller feeding the membrane-electrode assembly sheet along a predetermined transport path; and ii) hot presses disposed on upper and lower sides of the transport path, respectively, installed to be reciprocally movable in a vertical direction, and pressing portions of the electrode catalyst layers of upper and lower surfaces of the membrane-electrode assembly sheet at a predetermined temperature.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: November 13, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sung Hoon Jeong, Jong Cheol Ahn
  • Patent number: 10079393
    Abstract: Methods for fabricating an interconnect for a fuel cell stack that include providing a protective layer over at least one surface of an interconnect formed by powder pressing pre-alloyed particles containing two or more metal elements and annealing the interconnect and the protective layer at elevated temperature to bond the protective layer to the at least one surface of the interconnect.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: September 18, 2018
    Assignee: BLOOM ENERGY CORPORATION
    Inventors: Avinash Verma, Ravi Oswal, Brandon Dawson, Brian Bollinger, Harald Herchen, Tad Armstrong
  • Patent number: 10074877
    Abstract: A method for charging a zinc-air battery, wherein the potential of the negative electrode during the charging is lower than, or equal to, the value of a critical charging potential. Also disclosed is a method for storing and restoring electrical energy, comprising such a charging step, and to a zinc-air battery suitable for implementing said charging method, and a discharging phase.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: September 11, 2018
    Assignee: Electricite de France
    Inventors: Gwenaelle Toussaint, Philippe Stevens
  • Patent number: 10069146
    Abstract: Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium metal or in contact with an intermediate protective layer, such as a temporary protective metal layer, on the surface of the lithium-containing first layer. Another aspect of the invention provides an anode active layer formed by the in-situ deposition of lithium vapor and a reactive gas. The anodes of the current invention are particularly useful in electrochemical cells comprising sulfur-containing cathode active materials, such as elemental sulfur.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: September 4, 2018
    Assignee: Sion Power Corporation
    Inventors: Terje A. Skotheim, Christopher J. Sheehan, Yuriy V. Mikhaylik, John D. Affinito
  • Patent number: 10062887
    Abstract: According to one embodiment, a nonwoven fiber mat for reinforcing a plate or electrode of a lead-acid battery includes a plurality of glass fibers and an acid resistant binder that couples the plurality of glass fibers together. The nonwoven fiber mat also includes a wetting component that is applied to the glass fibers and/or nonwoven fiber mat to increase the wettability of the nonwoven fiber mat such that the nonwoven fiber mat exhibits an average water wick height of at least 0.5 cm after exposure to water for 10 minutes conducted according to method ISO8787. The wetting component may be dissolvable in an acid solution of the lead-acid battery such that a significant portion of the nonwoven fiber mat is lost due to dissolving of the wetting component.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: August 28, 2018
    Inventors: Zhihua Guo, Souvik Nandi, Jawed Asrar, Albert G Dietz, III
  • Patent number: 9991555
    Abstract: A solid electrolyte including a layer of LixPOy, free from nitrogen, with 3.6?x?6.3 and 1.5?y?4, and the ionic conductivity of which is greater than or equal to 10?5 S/cm. A microbattery including a layer of solid electrolyte.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: June 5, 2018
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Lucie Le Van-Jodin, Arnaud Claudel, Steve Martin, Christophe Secouard
  • Patent number: 9979043
    Abstract: A three dimensional (“3D”) secondary battery includes an electrolyte layer and an anode active material layer that are sequentially stacked on a plurality of first trenches that are provided in a cathode active material layer where, in the anode active material layer, a plurality of second trenches having similar shape to that of the first trenches is provided and the plurality of second trenches are filled with an elastic member and where the elastic member absorbs expansion of the anode active material layer during charging and discharging the 3D secondary battery, and thus, the degradation of the 3-dimensional secondary battery is prevented.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Hojung Yang, Jinseok Heo, Hwiyeol Park, Kyunghoon Cho
  • Patent number: 9966604
    Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: May 8, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
  • Patent number: 9960442
    Abstract: Disclosed are a process for separating an electrode for membrane-electrode assemblies of fuel cells from the decal transfer film and an apparatus for separating the electrode. In particular, during the electrode separating process, only an electrode is separated from the decal transfer film on which the electrode is coated, without any damage, by a freezing method for freezing the specimen on the deionized water surface, and thus, wasting the expensive MEA is prevented. Thus, mechanical properties of the pristine electrode can be rapidly quantified in advance, and therefore, long term durability evaluation period during developing MEA having excellent durability is substantially reduced.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: May 1, 2018
    Assignees: Hyundai Motor Company, Korea Advanced Institute of Science and Technology
    Inventors: Bo Ki Hong, Byeong-Heon Jeong, Taek-Soo Kim, Jae-Han Kim, Sanwi Kim
  • Patent number: 9941520
    Abstract: A negative electrode for a secondary battery, the negative electrode including: a current collector; an interlayer on the current collector and consisting of at least one first polymer selected from a cation-substituted polycarboxylic acid and a copolymer thereof; a negative electrode active material layer on the interlayer and which includes a negative electrode active material and a binder.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: April 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jonghwan Park, Inhyuk Son, Jaeman Choi, Seungsik Hwang, Junhwan Ku, Inyoung Song, Yeonji Chung
  • Patent number: 9925813
    Abstract: Lithium metal powder based inks are provided. The inks are provided in formulations suitable for printing using a variety of printing techniques, including screen printing, offset litho printing, gravure printing, flexographic printing, pad printing and inkjet printing. The inks include lithium metal powder, a polymer binder and optionally electrically conductive materials and/or lithium salts in a solvent. The inks are well suited for use in printing electrodes for use in lithium metal batteries. Batteries made from lithium powder based anodes and electronic applications such as RFID labels, Smart Cards and wearable medical devices are also provided.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: March 27, 2018
    Assignee: BrightVolt, Inc.
    Inventors: Craig R. Nelson, Glen C. Wensley, Wade W. Guindy
  • Patent number: 9929432
    Abstract: A re-chargeable battery comprising a non-dendrite forming sodium (Na)/potassium (K) liquid metal alloy anode, a sulfur and polyacrylonitrile (PAN) conductive polymer composite cathode, a polyethyleneoxide (PEO) solid electrolyte, a solid electrolyte interface (SEI) formed on the PEO solid electrolyte; and a cell housing, wherein the anode, cathode, and electrolyte are assembled into the cell housing with the PEO solid electrolyte disposed between the cathode and anode.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 27, 2018
    Assignee: The Regents of the University of California
    Inventors: Gao Liu, Dongdong Wang
  • Patent number: 9853268
    Abstract: The present invention refers to a method of preparing a separator, a separator prepared therefrom and an electrochemical device having the separator. The method of preparing a separator according to the present invention comprises providing a planar and porous substrate having multiple pores; and coating a first slurry on at least one surface of the porous substrate through a slot section to form a porous coating layer, while continuously coating a second slurry on the porous coating layer through a slide section adjacent to the slot section to form a layer for adhesion with an electrode, the first slurry comprising inorganic particles, a first binder polymer and a first solvent, and the second slurry comprising a second binder polymer and a second solvent.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: December 26, 2017
    Assignees: LG Chem, Ltd., TORAY INDUSTRIES, INC.
    Inventors: Bo-Kyung Ryu, Joo-Sung Lee, Jong-Hun Kim
  • Patent number: 9847326
    Abstract: According to various embodiments, an electronic structure may be provided, the electronic structure may include: a semiconductor carrier, and a battery structure monolithically integrated with the semiconductor carrier, the battery structure including a plurality of thin film batteries.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: December 19, 2017
    Assignee: Infineon Technologies AG
    Inventors: Stefan Tegen, Marko Lemke
  • Patent number: 9834849
    Abstract: A method for preparing thin double-structured composite corrosion resistant and/or passivating coatings that consist of a thin metal oxide-hydroxide subcoating prepared by anodizing the metal substrate materials near-surface part and then provided with an atomic layer deposition (ALD) topmost nanocoating, of e.g. oxide, nitride, carbonate, carbide etc. or their mixes or laminates, or laminates with ceramic and metallic layers, or laminates with inorganic or organic polymers and ceramic layers.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: December 5, 2017
    Assignee: University of Tartu
    Inventors: Vaino Sammelselg, Lauri Aarik, Maido Merisalu
  • Patent number: 9837666
    Abstract: Disclosed is a cathode current collector for an electrical energy storage device and a method for manufacturing the same, which improves adhesion between a current collector and an electrode material and provide a high reaction surface area, thereby improving the performance of the electrical energy storage. In particular, a first alumina film is formed on the surface of an aluminum foil using an anodic oxidation process. Next, the first alumina film formed on a surface of the aluminum foil is removed through etching and a second alumina film is formed on the surface of the aluminum foil, from which the first alumina film is removed, using the anodic oxidation process again. Subsequently, a carbon layer is coated on a surface of the aluminum foil on which the second alumina film is formed.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: December 5, 2017
    Assignee: Hyundai Motor Company
    Inventors: Sam Ick Son, Hee Yeon Ryu, Dae Gun Jin
  • Patent number: 9799921
    Abstract: Provided is a method of manufacturing a negative electrode for a solid-state battery, the method including: a step of mixing a negative electrode active material, a sulfide solid electrolyte, a binder, and a solvent with each other to prepare a negative electrode slurry; a step of applying the prepared negative electrode slurry to a surface of a solid electrolyte layer of the solid-state battery or a substrate of the negative electrode; and a step of drying the applied negative electrode slurry. In this method, the solvent is butyl butyrate, and the binder is a copolymer containing a vinylidene fluoride (VDF) monomer unit and a hexafluoropropylene (HFP) monomer unit, in which a molar ratio of the HFP monomer unit to a total amount of the VDF monomer unit and the HFP monomer unit is 10% to 25%.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: October 24, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuichi Hashimoto, Keisuke Watanabe, Yoshiyuki Nagasawa
  • Patent number: 9799922
    Abstract: A lithium battery including a negative electrode including a lithium metal or a lithium alloy; a positive electrode; and a polymer gel electrolyte contacting the negative electrode, wherein the polymer gel electrolyte has an ionic conductivity of about 10?3 S/cm or greater, a lithium ion transference number of about 0.15 or greater, and a lithium ion mobility of about 10?6 cm2/V×sec or greater, wherein the polymer gel electrolyte includes a lithium salt, a polymer capable of forming a complex with the lithium salt, an insulating inorganic filler, and an organic solvent, wherein the organic solvent is inert with respect to the lithium metal, wherein an anionic radius of the lithium salt is about 2.5 Angstroms or greater, and wherein a molecular weight of the lithium salt is about 145 or greater.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: October 24, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sik Park, Dong-joon Lee, Sang-bok Ma, Dong-min Im, Won-sung Choi, Osamu Yamamoto, Nobuyuki Imanishi
  • Patent number: 9793535
    Abstract: Disclosed is a method for manufacturing an electrode structure including (S1) coating and drying a slurry for an electrode active material layer on an electrode current collector placed on a heated bottom surface, (S2) coating and drying a slurry for an insulating layer including inorganic particles, a binder, and a solvent, on a heated roller located at a predetermined distance from the bottom surface, and (S3) transferring the dried slurry for an insulating layer to the dried slurry for an electrode active material layer on the bottom surface, and thermo-compressing the dried slurry for an insulating layer and the dried slurry for an electrode active material layer, to form an insulating layer on an electrode surface.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: October 17, 2017
    Assignee: LG CHEM, LTD.
    Inventors: In-Gyoung Yu, Seok-Koo Kim, Jang-Hyuk Hong, Sun-Mi Jin, Jong-Hun Kim
  • Patent number: 9742024
    Abstract: A secondary battery including: spirally wound electrode body in which positive electrode and negative electrode are laminated via separator and spirally wound, wherein the positive electrode includes an inner circumference side positive electrode active material layer and an outer circumference side positive electrode active material layer while including a single side active material layer formation region, the ratio A/(A+B) of an area density A (mg/cm2) of the inner circumference side positive electrode active material layer and an area density B (mg/cm2) of the outer circumference side positive electrode active material layer, an inner diameter C (mm) of the coil opening portion, and the ratio D/E of a thickness D (?m) of the positive electrode and a thickness E (?m) of the positive electrode collector satisfy the relationship expressed in Formula 1, and a length F (mm) of the single side active material layer formation region satisfies the relationship expressed in Formula 2.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: August 22, 2017
    Assignee: Sony Corporation
    Inventors: Takashi Tokunaga, Hironobu Fukahori
  • Patent number: 9731972
    Abstract: Cohesive carbon assemblies are prepared by obtaining a functionalized carbon starting material in the form of powder, particles, flakes, loose agglomerates, aqueous wet cake, or aqueous slurry, dispersing the carbon in water by mechanical agitation and/or refluxing, and substantially removing the water, typically by evaporation, whereby the cohesive assembly of carbon is formed. The method is suitable for preparing free-standing, monolithic assemblies of carbon nanotubes in the form of films, wafers, discs, fiber, or wire, having high carbon packing density and low electrical resistivity. The method is also suitable for preparing substrates coated with an adherent cohesive carbon assembly. The assemblies have various potential applications, such as electrodes or current collectors in electrochemical capacitors, fuel cells, and batteries, or as transparent conductors, conductive inks, pastes, and coatings.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: August 15, 2017
    Assignee: YAZAKI CORPORATION
    Inventors: Leonid Grigorian, Sean Imtiaz Brahim
  • Patent number: RE47325
    Abstract: A method for the formation of lithium includes a layer on a substrate using an atomic layer deposition method. The method includes the sequential pulsing of a lithium precursor through a reaction chamber for deposition upon a substrate. Using further oxidizing pulses and or other metal containing precursor pulses, an electrolyte suitable for use in thin film batteries may be manufactured.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: March 26, 2019
    Assignee: Universitetet I Oslo
    Inventors: Ola Nilsen, Helmer Fjellvåg, Mari Endresen Alnes, Titta Aaltonen, Matti Putkonen