Halogen Containing Patents (Class 429/199)
  • Patent number: 10784507
    Abstract: Provided is a method for producing a positive electrode active material for nonaqueous electrolyte secondary batteries, the method including: a mixing step of obtaining a W-containing mixture of Li-metal composite oxide particles represented by the formula: LizNi1-x-yCoxMyO2 and composed of primary particles and secondary particles formed by aggregation of the primary particles, 2 mass % or more of water with respect to the oxide particles, and a W compound or a W compound and a Li compound, the W-containing mixture having a molar ratio of the total amount of Li contained in the water and the solid W compound, or the W compound and the Li compound of 1.5 or more and less than 3.0 with respect to the amount of W contained therein; and a heat treatment step of heating the W-containing mixture to form lithium tungstate on the surface of the primary particles.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: September 22, 2020
    Assignee: Sumitomo Metal Mining Co., Ltd.
    Inventors: Yuki Furuichi, Tetsufumi Komukai
  • Patent number: 10756384
    Abstract: The present invention provides an electrolytic solution capable of providing an electrochemical device (e.g., a lithium ion secondary battery) or a module that is less likely to generate gas even in high-temperature storage and has high capacity retention even after high-temperature storage. The present invention relates to an electrolytic solution which may contain a compound represented by Y21R21C—CY22R22 wherein R21 and R22 may be the same as or different from each other, and are each H, an alkyl group, or a halogenated alkyl group; Y21 and Y22 may be the same as or different from each other, and are each —OR23 or a halogen atom; and R23 is H, an alkyl group, or a halogenated alkyl group.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: August 25, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Hideo Sakata, Kenzou Takahashi, Hiroyuki Arima, Shigeaki Yamazaki, Yoshiko Kuwajima, Shinichi Kinoshita
  • Patent number: 10749215
    Abstract: The purpose of the present invention is to provide a lithium secondary battery which has improved service life characteristics by suppressing a decomposition reaction of the electrolyte solution in the field of batteries that operate at high voltages or are assumed to be used at high temperatures for a long period of time. The present invention relates to an electrolyte solution for a secondary, which is characterized by containing a sulfone compound, a fluorine-containing cyclic acetal compound and a cyclic carbonate in a specific composition; and a secondary battery which uses this electrolyte solution for a secondary battery.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: August 18, 2020
    Assignee: NEC Corporation
    Inventors: Takehiro Noguchi, Shin Serizawa, Takuya Hasegawa
  • Patent number: 10734639
    Abstract: Provided herein are electrochemical systems and related methods of making and using electrochemical systems. Electrochemical systems of the invention implement novel cell geometries and composite carbon nanomaterials based design strategies useful for achieving enhanced electrical power source performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical systems of the invention are versatile and include secondary lithium ion cells, such as silicon-sulfur lithium ion batteries, useful for a range of important applications including use in portable electronic devices.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: August 4, 2020
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Adrianus I. Aria, Morteza Gharib
  • Patent number: 10727516
    Abstract: The present specification relates to a novel compound, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yong Jin Jang, Joong Jin Han, Sehee Jung, Youngjea Kim, Esder Kang, Hyun Woog Ryu
  • Patent number: 10707486
    Abstract: The present invention is directed towards a process for making a particulate material according to the general formula (I): NiaCObMncMd(O)x(OH)y, wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiaCObMncAld)(OH)2+d or (NiaCObMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: July 7, 2020
    Assignee: BASF SE
    Inventors: Simon Schroedle, Thomas Michael Ryll, Aleksei Volkov, Ji-Yong Shin, Jordan K. Lampert
  • Patent number: 10707521
    Abstract: Electrolyte solutions including additives or combinations of additives that provide low temperature performance and high temperature stability in lithium ion battery cells.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: July 7, 2020
    Assignees: Wildcat Discovery Technologies, Inc., Johnson Controls Technology Company
    Inventors: Gang Cheng, Ye Zhu, Deidre Strand, Boutros Hallac, Bernhard M. Metz
  • Patent number: 10665857
    Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery and a method of preparing the same, and more particularly, to a positive electrode active material for a lithium secondary battery comprising a lithium-nickel-based transition metal oxide; and a coating layer formed on the lithium-nickel-based transition metal oxide, the coating layer comprising a metal oxalate compound, and a method of preparing the same.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: May 26, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jun Seok Nho, Seung Beom Cho, Hyun Ah Park, Jun Seong Ahn
  • Patent number: 10644352
    Abstract: A lithium-ion battery non-aqueous electrolyte solution, and a lithium-ion battery using the electrolyte solution. The electrolyte solution comprises one, two, or more of a compound as represented by structural formula I. R1, R2, R3, R4, R5, and R6 are independently selected from hydrogen, halogen atom, or a group comprising 1-5 carbon atoms. Presence of the compound as represented by structural formula I provides excellent performance at a high temperature and at a low temperature to the non-aqueous lithium-ion battery electrolyte solution.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.
    Inventors: Zhongtian Zheng, Qiao Shi, Ling Zhong, Shiguang Hu, Changchun Chen, Xionggui Lin
  • Patent number: 10601069
    Abstract: The present invention relates to a non-aqueous electrolyte additive, and a non-aqueous electrolyte for a lithium secondary battery including the same and a lithium secondary battery, and particularly, to a non-aqueous electrolyte additive having a nitrile group and a propargyl group, and a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery, which include the non-aqueous electrolyte additive so that capacity and cycle lifespan characteristics at high temperature can be improved.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: March 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sung Hoon Yu, Kyung Mi Lee
  • Patent number: 10547085
    Abstract: A lithium secondary battery including a cathode; an anode; and an electrolyte disposed between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1, the electrolyte includes a lithium salt; a non-aqueous solvent; and a monofluorosilane compound represented by Formula 2, wherein an amount of the monofluorosilane compound is in a range of about 0.1 percent by weight (wt %) to about 5 wt % based on the total weight of the electrolyte wherein, in Formula 1, 0.9?x?1.2, 0.85<y?0.95, and 0?z<0.2; M is aluminum, magnesium, manganese, cobalt, iron, chromium, vanadium, titanium, copper, boron, calcium, zinc, zirconium, niobium, molybdenum, strontium, antimony, tungsten, bismuth, or a combination thereof; A is an element having an oxidation number of ?1 or ?2, and R1 is a substituted or unsubstituted linear or branched C2-C30 alkyl group or a substituted or unsubstituted C6-C60 aryl group.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: January 28, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Basab Roy, Myongchun Koh, Dongyoung Kim, Eunha Park
  • Patent number: 10535473
    Abstract: A capacitor that includes a conductive metal base member having a porous portion in a first main surface, a dielectric layer that entirely covers the first main surface and entirely covers side surfaces disposed along a direction orthogonal to the first main surface, an electrode layer covering the dielectric layer, a second extended electrode covering the electrode layer, a first extended electrode covering a second main surface of the conductive metal base member opposite the first main surface, and an insulation layer that insulates the electrode layer and the conductive metal base member from each other.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: January 14, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yasuo Fujii, Naoki Iwaji
  • Patent number: 10535877
    Abstract: A non-aqueous electrolyte secondary battery includes a non-aqueous electrolyte and an electrode body in which a positive electrode plate and a negative electrode plate are layered with a separator interposed therebetween. The positive electrode plate contains a phosphate compound. The negative electrode plate contains a graphite-based material, an amorphous/non-crystalline carbon material, and a rubber-based binder. The ratio of the coverage of the rubber-based binder on the amorphous/non-crystalline carbon material to the coverage of the rubber-based binder on the graphite-based material is more than 0 and 0.5 or less.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: January 14, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kouhei Tuduki, Atsushi Fukui, Katsunori Yanagida
  • Patent number: 10522815
    Abstract: In some embodiments, lithium-sulfur electrochemical cells, fabrication methods thereof, and methods useful to enable improvement of one or more performance characteristics in lithium-sulfur electrochemical cells are provided herein. In some embodiments, a method to enable improvement of one or more performance characteristics in a lithium-sulfur electrochemical cell(s) is disclosed, wherein a conductive network is formed within the lithium-sulfur electrochemical cell(s) by applying a voltage thereto for a threshold time period. The one or more performance characteristics of the lithium-sulfur electrochemical cell increase as a result of the presence of the conductive network.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 31, 2019
    Inventors: James Allen Turney, Roger L Aronow, Sea Park, Joseph D Roy-Mayhew
  • Patent number: 10497976
    Abstract: A lithium air battery may include an electrolyte with a donor number of 10 to 40; and a quinone-based liquid catalyst which added to the electrolyte to induce a discharge in the solution.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: December 3, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Seoul National University R&DB Foundation
    Inventors: Won Keun Kim, Jin Soo Kim, Kyoung Han Ryu, Ho Taek Lee, Byung Ju Lee, Ki Suk Kang, Young Min Ko
  • Patent number: 10490859
    Abstract: A positive electrode of a lithium-ion secondary battery contains first positive electrode active material particles and second positive electrode active material particles. The first positive electrode active material particles have a first composition represented by a compositional formula LiNix1Coy1Mnz1O2 (here, x1, y1, and z1 are numerical values satisfying 0<x1<1, 0<y1<1, 0.3<z1<0.5, and x1+y1+z1=1). The second positive electrode active material particles have a second composition represented by a compositional formula LiNix2Coy2Mnz2O2 (here, x2, y2, and z2 are numerical values satisfying 0<x2<1, 0<y2<1, 0<z2<0.2, and x2+y2+z2=1). The surface of at least one of the first positive electrode active material particles and the second positive electrode active material particles is coated with a transition metal oxide.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 26, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi Tsubouchi, Keiichi Takahashi, Naoyuki Wada, Yukihiro Okada
  • Patent number: 10468683
    Abstract: The present invention provides a conductive paste for positive electrodes of lithium-ion batteries and a mixture paste for positive electrodes of lithium-ion batteries that are inhibited from increasing in viscosity and gelling, and that have an easy-to-apply viscosity. The conductive paste of the present invention contains a dispersion resin (A), polyvinylidene fluoride (B), conductive carbon (C), a solvent (D), and a dehydrating agent (E).
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: November 5, 2019
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Endo, Atsuya Kato, Atsushi Tsukamoto, Atsunao Hiwara, Hideki Hagiwara, Koji Takahata, Akira Saito, Machiko Abe, Yuichi Ito, Kentaro Komabayashi
  • Patent number: 10460882
    Abstract: The present invention aims to provide an electrolyte solution containing a quaternary ammonium salt as an electrolyte salt and is capable of providing an electrochemical device having a high capacitance retention and reducing generation of gas. The electrolyte solution of the present invention contains a solvent, a quaternary ammonium salt, and a nitrogen-containing unsaturated cyclic compound. The unsaturated cyclic compound is a nitrogen-containing unsaturated heterocyclic compound. The unsaturated cyclic compound excludes salts of the unsaturated cyclic compound and ionic liquids obtainable from the unsaturated cyclic compound.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: October 29, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventor: Kenzou Takahashi
  • Patent number: 10424793
    Abstract: An electrodeposited copper foil of high toughness having a lightness L* value of the deposit side in the range of 36 to 74, the copper foil having a tensile strength in the range of 40 to 70 kg/mm2, and a weight deviation of less than 3%. The electrodeposited copper foils are particularly useful as current collectors for anode components of rechargeable secondary batteries and tend not to form wrinkles during charge-discharge cycles of the battery and are resistant to fracture during pressing of the anode active materials onto the copper foil. Secondary batteries and methods of manufacture are also described.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: September 24, 2019
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Kuei-Sen Cheng, Huei-Fang Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10403926
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and k2 independently represents an integer of from 0 to 2j; each of R3, R4 and R5 independently represents H or OH; and a is 0 or 1.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: September 3, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Shinya Wakita, Masayuki Ihara, Masanori Soma, Izaya Okae
  • Patent number: 10403935
    Abstract: Provided is an electrolytic solution including a nonaqueous solvent and an alkali metal salt. The alkali metal salt is dissolved in the nonaqueous solvent. The nonaqueous solvent contains a perfluoropolyether having a weight-average molecular weight of 350 or more and less than 760. Also provided is a battery including the electrolytic solution, a positive electrode containing a positive electrode active material that can occlude and release an alkali metal cation, and a negative electrode containing a negative electrode active material that can occlude and release the alkali metal cation.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: September 3, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hirotetsu Suzuki, Nobuhiko Hojo
  • Patent number: 10374205
    Abstract: It is an object of the present invention to improve the low-temperature output characteristics of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery according to an embodiment includes an electrode assembly having a structure in which a positive electrode and a negative electrode are stacked with a porous separator provided therebetween. The positive electrode contains tungsten and a phosphate compound. The separator contains a material having higher oxidation resistance than a polyethylene and has a pore distribution peak sharpness index of 40 or more in the range of 0.01 ?m to 10 ?m as calculated using formula 1: formula 1: pore distribution peak sharpness index=(peak value of Log differential pore volume)/(difference between maximum pore size and minimum pore size at position corresponding to ½ peak value of Log differential pore volume).
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: August 6, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Fumiharu Niina, Daisuke Nishide, Atsushi Fukui
  • Patent number: 10347891
    Abstract: In the present invention, in laminated separator rolls 12U and 12L, laminated long separator sheets 12a and 12b are wound such that a surface B (which is of an aramid layer (heat-resistant layer) and is opposite to a surface contacting with the porous film) faces an inner side (core u, l side). From this, it is possible to provide the laminated separator roll which can inhibit change in color of the porous layer included in the porous long separator sheet.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: July 9, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Daizaburo Yashiki, Takahiro Okugawa
  • Patent number: 10347943
    Abstract: Described herein are fluoro-substituted ethers of Formula (I): wherein R1 is a fluoro-substituted C2-C6 alkyl group; R2 is a C2-C6 alkyl group or a fluoro-substituted C2-C6 alkyl group; each R3 independently is H, F, methyl, or fluoro-substituted methyl; and n is 0, 1, 2, 3, or 4. The fluoro-substituted ether compounds are useful as solvents for lithium containing electrolytes in lithium batteries, particularly lithium-sulfur batteries.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: July 9, 2019
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Zhengcheng Zhang, Chi Cheung Su
  • Patent number: 10333092
    Abstract: An organic light emitting diode according to an example embodiment of the present disclosure includes an anode and a cathode facing each other, an emission layer between the anode and the cathode, and an auxiliary layer between the anode and the emission layer and/or between the cathode and the emission layer, wherein the auxiliary layer includes a ternary compound including a halogen element.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong Chan Kim
  • Patent number: 10290904
    Abstract: An example includes a method including forming a battery electrode by disposing an active material coating onto a silicon substrate, assembling the battery electrode into a stack of battery electrodes, the battery electrode separated from other battery electrodes by a separator, disposing the stack in a housing, filling the interior space with electrolyte, and sealing the housing to resist the flow of electrolyte from the interior space.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: May 14, 2019
    Assignee: Gridtential Energy, Inc.
    Inventor: Peter Gustave Borden
  • Patent number: 10283780
    Abstract: An electrode for use in an electrochemical cell, especially a zinc-bromine flow battery or a hydrogen/bromine flow battery, and methods for manufacturing and using the electrode is provided. The electrode has a metal substrate and a catalytic coating applied onto the substrate wherein the catalytic coating has a Ru-rich mixture of ruthenium and having 70-80 mol % Ru, 1-5 mol % Pt and 17-25 mol % Ir. The catalytic coating composition exhibits a surprisingly high voltage efficiency and operating lifetime despite its relatively low Ir/Ru and Pt/Ru ratios. The underlying metal substrate is for example a porous Ti layer or a layer with titanium suboxides TixOy.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: May 7, 2019
    Assignee: INDUSTRIE DE NORA S.P.A.
    Inventors: Christopher J. Allen, Sobha Abraham, Kenneth L. Hardee
  • Patent number: 10230097
    Abstract: A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and negative electrode, and an electrolyte solution containing a supporting salt having ion conductivity, wherein the positive electrode comprises a composition containing components (a) and (b) below and satisfying a requirement (?) below, and wherein the negative electrode contains metal lithium and at least one selected from materials capable of lithium ion insertion/desorption: (a) an electrically conductive polymer; (b) a lithium salt formed by substituting a part of a polyanionic acid with lithium; and (?) a molar ratio of a lithium element content in the component (b) to a content of an element involved in a charge/discharge reaction in the component (a) is 0.1 to 1.0. Consequently, the nonaqueous electrolyte secondary battery has an excellent weight energy density and can reduce dependency on electrolyte solution amount.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: March 12, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiroyoshi Take, Atsuko Mizuike, Aimi Matsuura, Masao Abe
  • Patent number: 10199687
    Abstract: Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives. The additives preferably contain a dicarbonate group or are an organo-metallic hydride.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: February 5, 2019
    Assignee: Wildcat Discovery Technologies, Inc
    Inventors: Ye Zhu, Gang Cheng, Deidre Strand, Jen-Hsien Yang
  • Patent number: 10186708
    Abstract: A method of manufacturing a nonaqueous electrolyte secondary battery includes: a first step of preparing a positive electrode mixture paste; and a second step of preparing a positive electrode. In the first step, at least one binder including an acidic binder in an amount set such that a pH value of an aqueous solution obtained by dissolving the set amount of acidic binder in the same amount of water as that of the solvent is within a range of 1.7 to 5.5 is used.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 22, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naohisa Akiyama, Masanori Kitayoshi, Takashi Miura, Yukiko Hori, Masashi Ueda
  • Patent number: 10164292
    Abstract: Described herein are additives for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high capacity retention during battery cycling at high temperatures. In some embodiments, a high temperature electrolyte includes a base electrolyte and one or more polymer additives, which impart these desirable performance characteristics.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: December 25, 2018
    Assignee: Wildcat Discovery Technologies, Inc.
    Inventors: Gang Cheng, Jinhua Huang, Ye Zhu
  • Patent number: 10147970
    Abstract: A method to prepare a chloride free magnesium electrolyte salt is provided. According to the method a water stable borate or carborate anion is converted to metal salt of an alkali metal or silver by an ion exchange and then converted to a chloride free magnesium salt by another ion exchange. A chloride free magnesium salt suitable as an electrolyte for a magnesium battery and a magnesium battery containing the chloride free magnesium electrolyte are also provided.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: December 4, 2018
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: John G. Muldoon, Claudiu B. Bucur
  • Patent number: 10135095
    Abstract: Disclosed is a lithium secondary battery including: (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; (ii) an anode active material including amorphous carbon; and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether based solvent, wherein propylene carbonate (PC) is included in an amount of 1 wt % to 60 wt % in the electrolyte for lithium secondary batteries, based on the total weight of the electrolyte, Li1+aM(PO4?b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII; X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: November 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon
  • Patent number: 10122020
    Abstract: Provided is an aluminum secondary battery comprising an anode, a cathode, a porous separator electronically separating the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of aluminum at the anode, wherein the anode contains aluminum metal or an aluminum metal alloy as an anode active material and the cathode comprises a layer of aligned graphene sheets that are oriented in such a manner that the layer has a graphene edge plane in direct contact with the electrolyte and facing the separator. These aligned/oriented graphene sheets are preferably bonded by a binder for enhanced structural integrity and cycling stability. Such an aluminum battery delivers a high energy density, high power density, and long cycle life.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: November 6, 2018
    Assignee: Nanotek Instruments, Inc.
    Inventors: Yu-Sheng Su, Aruna Zhamu, Hui He, Baofei Pan, Bor Z. Jang
  • Patent number: 10090559
    Abstract: Provided are a non-aqueous electrolyte including a non-aqueous organic solvent, a lithium salt, and a borate-based compound, and a lithium secondary battery using the same. According to the present invention, a lithium secondary battery having improved cycle characteristics and high-temperature storage stability may be prepared by including a non-aqueous electrolyte which includes at least one borate-based compound as an additive.
    Type: Grant
    Filed: September 1, 2014
    Date of Patent: October 2, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Kyoung Ho Ahn, Chul Haeng Lee, Yoo Seok Kim, Doo Kyung Yang, Young Min Lim, Jung Hoon Lee
  • Patent number: 10069182
    Abstract: A soluble catalyst for a lithium-air battery is provided. The soluble catalyst including a redox mediator (RM) has an ionization energy of about 5.5 to 7.5 eV under vacuum or an oxidation potential of 3.0 to 4.0 V and is well dissolved in an electrolyte without reacting with the electrolyte. In addition, the soluble catalyst has a HOMO level in an original state (RM), which is less than a formation energy of lithium peroxide (Li2O2) but maximally close to the formation energy, and has a HOMO level in an oxidized state (RM+), which is greater than a HOMO level of the electrolyte.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: September 4, 2018
    Assignees: Hyundai Motor Company, Seoul National University R&DB Foundation
    Inventors: Won Keun Kim, Kyoung Han Ryu, Hee Dae Lim, Ki Suk Kang, Byung Ju Lee
  • Patent number: 10050308
    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: February 10, 2017
    Date of Patent: August 14, 2018
    Assignee: Sion Power Corporation
    Inventors: Zhaohui Liao, Chariclea Scordilis-Kelley, Yuriy V. Mikhaylik
  • Patent number: 10036100
    Abstract: An apparatus for producing a silicon single crystal by a Czochralski method with a chamber having a heater therein to heat a raw material and to cool the chamber by a coolant, including: measuring an inlet temperature, outlet temperature, and flow rate in a passage of the coolant to cool the chamber with flowing in the chamber; calculating a removed heat quantity from the chamber based on the measured values of the inlet temperature, outlet temperature, and flow rate; controlling heater power based on the value of the removed heat quantity. This provides an apparatus which can pull a single crystal in a crystal diameter and a crystal pulling rate closer to the target values by controlling the heater power based on a removed heat quantity from the chamber calculated by the measured values of temperatures and a flow rate of the coolant.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: July 31, 2018
    Assignee: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Takahiro Yanagimachi, Masahiro Akiba, Junya Tokue, Susumu Sonokawa
  • Patent number: 10008749
    Abstract: A lithium ion battery includes positive and negative electrodes, and a nanoporous or microporous polymer separator soaked in an electrolyte solution, between the positive electrode and the negative electrode. Chelating agent(s) are included to complex with transition metal ions while not affecting movement of lithium ions across the separator during operation of the lithium ion battery. The chelating agents are: dissolved in the electrolyte solution; grafted onto the polymer of the separator; attached to the binder material of the negative and/or positive electrode; coated on a surface of the separator; and/or coated on a surface of the negative and/or positive electrode. The chelating agents are selected from: ion traps in molecular form selected from polyamines, thiols and alkali metal salts of organic acids; polymers functionalized with alkali metal salts of organic acids; polymers functionalized with nitrogen-containing functional groups; and polymers functionalized with two or more functional groups.
    Type: Grant
    Filed: June 19, 2016
    Date of Patent: June 26, 2018
    Assignees: GM GLOBAL TECHNOLOGY OPERATIONS LLC, BAR-ILAN UNIVERSITY
    Inventors: Shalom Luski, Doron Aurbach, Ion C. Halalay, Timothy J. Fuller, Bob R. Powell, Jr., Anjan Banerjee, Baruch Ziv, Yuliya Shilina
  • Patent number: 10003086
    Abstract: A DME-free lithium battery includes a positive electrode, a negative electrode, a separator arranged between the positive electrode and the negative electrode, and a liquid electrolyte composed of a solvent and at least one lithium electrolyte salt and with which the electrode and the separator are impregnated, wherein the solvent includes propylene carbonate (PC) as a first solvent component and 1,3-dioxolane (DOL) as a second solvent component, and the positive electrode and/or the negative electrode have a proportion of carbon black having a BET surface area of at least 1 m2/g.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: June 19, 2018
    Assignee: Varta Microbattery GmbH
    Inventors: Bernd Kreidler, Hanna Siwek
  • Patent number: 10003100
    Abstract: A lithium secondary battery including a positive electrode including a positive electrode active material capable of intercalating and deintercalating lithium ions, a negative electrode including a negative electrode active material capable of intercalating and deintercalating lithium ions, and a nonaqueous electrolytic solution, wherein the positive electrode active material includes an active material capable of intercalating or deintercalating lithium ions at a potential of 4.5 V or more, and the nonaqueous electrolytic solution includes a particular fluorine-containing ether compound.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: June 19, 2018
    Assignee: NEC Corporation
    Inventors: Takehiro Noguchi, Makiko Uehara
  • Patent number: 9997781
    Abstract: Provided is an anode active material including a transition metal-metaphosphate of Chemical Formula 1: M(PO3)2??<Chemical Formula 1> where M is any one selected from the group consisting of titanium (Ti), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), ruthenium (Ru), palladium (Pd), and silver (Ag), or two or more elements thereof. Since the anode active material of the present invention is stable and has excellent conversion reactivity while including only transition metal and phosphate without using lithium in which the price thereof is continuously increased, the anode active material of the present invention may improve capacity characteristics.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: June 12, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Sang Wook Woo, Ji Heon Ryu, Eun Kyung Kim, Je Young Kim, Sang Jo An, Min Young Hong
  • Patent number: 9997802
    Abstract: Compositions and methods of making are provided for a high energy density lithium-aluminum battery. The battery comprises an anode comprising aluminum metal. The battery further comprises a cathode comprising a lithium metal oxide. The battery further comprises an electrolyte capable of supporting reversible deposition and stripping of aluminum at the anode, and reversible intercalation and deintercalation of lithium at the cathode.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: June 12, 2018
    Assignee: UT-Battelle, LLC
    Inventors: Gilbert M. Brown, Mariappan Parans Paranthaman, Sheng Dai, Xiao-Guang Sun, Hansan Liu
  • Patent number: 9964914
    Abstract: Provided is an electrophotographic member that has a high excessive charging-suppressing effect under a low-temperature and low-humidity environment, and has high charge-providing performance under a high-temperature and high-humidity environment, and a process cartridge and an electrophotographic apparatus each including the electrophotographic member. The electrophotographic member is an electrophotographic member including an electro-conductive substrate and an electro-conductive resin layer, the electro-conductive resin layer contains a cation and at least one anion selected from the group consisting of anions represented by the following formulae (1) to (5): where X represents an arbitrary halogen atom, n in the structural formula (4) represents an integer of from 2 to 6, and n in the structural formula (5) represents an integer of 2 or 3.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 8, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hideya Arimura, Masaki Yamada, Sosuke Yamaguchi, Kazuhiro Yamauchi, Satoru Nishioka
  • Patent number: 9917327
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. A positive electrode charge potential is 3.7 V or less with respect to a lithium metal potential. The nonaqueous electrolyte includes a cyclic disulfone compound having a specific structure in an amount of 0.1 to 4.0% by mass based on a total mass of the nonaqueous electrolyte.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: March 13, 2018
    Assignee: GS Yuasa International Ltd.
    Inventors: Yudai Kawasoe, Katsushi Nishie
  • Patent number: 9899695
    Abstract: An aqueous electrolyte composition is described, including a zinc salt based on zinc acetate or zinc glocolate. The saturation concentration of zinc in the electrolyte composition is in the range of about 2.5M to about 3.5M. The composition also contains at least one salt of a monovalent cation. The molar ratio of zinc to the monovalent cation is about 1:2. An aqueous zinc electroplating bath, containing the aqueous electrolyte composition, is also disclosed, along with a method for the electrochemical deposition of zinc onto a substrate surface, using the electroplating bath. Related flow batteries are also described, including a catholyte, as well as an anolyte based on the aqueous electrolyte composition, with a membrane between the catholyte and the anolyte.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: February 20, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Sergei Kniajanski, Grigorii Lev Soloveichik
  • Patent number: 9899704
    Abstract: A non-aqueous electrolyte solution for a battery includes: an additive A which is a compound represented by formula (I); and an additive B which is at least one selected from the group consisting of an aromatic compound having at least one of a halogen atom or an alkyl group and a carbamate, and which is a compound other than carbonates or a cyclic sulfates. In formula (I), R1 represents a group represented by formula (II) or a group represented by formula (III) and R2 represents H, a C1-6 alkyl group, a group represented by formula (II), or a group represented by formula (III); or R1 and R2 represent groups which combine to form a benzene ring or cyclohexyl ring. In formula (II), R3 represents a halogen atom, a C1-6 alkyl group, a C1-6 alkyl halide group, a C1-6 alkoxy group, or a group represented by formula (IV).
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: February 20, 2018
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masataka Miyasato, Satoko Fujiyama, Takashi Hayashi
  • Patent number: 9893352
    Abstract: In at least one embodiment, a method of scavenging hydrogen in a lithium-ion battery is provided. The method may comprise including an atomic intermetallic material in at least one of a positive electrode or a negative electrode of a lithium-ion battery and reacting hydrogen present inside the lithium-ion battery with the atomic intermetallic material to form a metal hydride. The method may include preparing a positive electrode slurry and a negative electrode slurry, each slurry including an active material and a binder, mixing an atomic intermetallic material including a proton absorbed state into at least one of the slurries, and casting the slurries to form a positive electrode and a negative electrode. The method may alternately include applying an atomic intermetallic material including a proton absorbed state to a surface of at least one of a lithium-ion battery positive electrode or negative electrode.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: February 13, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Feng Li, Chi Paik, Jun Yang
  • Patent number: 9859565
    Abstract: Ultrafast battery devices having enhanced reliability and power density are provided. Such batteries can include a cathode including a first silicon substrate having a cathode structured surface, an anode including a second silicon substrate having an anode structured surface positioned adjacent to the cathode such that the cathode structured surface faces the anode structured surface, and an electrolyte disposed between the cathode and the anode. The anode structured surface can be coated with an anodic active material and the cathode structured surface can be coated with a cathodic active material.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: January 2, 2018
    Assignee: INTEL CORPORATION
    Inventors: Zhaohui Chen, Yang Liu, Charles W. Holzwarth, Nicolas Cirigliano, Bum Ki Moon
  • Patent number: 9825335
    Abstract: Provided are a non-aqueous electrolyte solution, which includes a non-aqueous organic solvent including propylene carbonate (PC) and ethylene carbonate (EC), and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery of the present invention may improve low-temperature and room temperature output characteristics, high-temperature and room temperature cycle characteristics, and capacity characteristics after high-temperature storage by forming a robust solid electrolyte interface (SEI) on an anode during initial charge of the lithium secondary battery.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: November 21, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Young Min Lim, Chul Haeng Lee, Doo Kyung Yang, Shul Kee Kim