Vanadium (v), Chromium (cr), Niobium (nb), Molybdenum (mo), Titanium (ti), Or Tungsten (w) Component Is Active Material Patents (Class 429/231.5)
  • Patent number: 10418647
    Abstract: Productive electrochemical reactions can often occur most effectively in proximity to a separator dividing an electrochemical cell into two half-cells. Parasitic reactions can often occur at locations more removed from the separator. Parasitic reactions are generally undesirable in flow batteries and other electrochemical systems, since they can impact operating performance. Flow batteries having a decreased incidence of parasitic reactions can include, a first half-cell containing a first electrode, a second half-cell containing a second electrode, a separator disposed between the first half-cell and the second half-cell and contacting the first and second electrodes, a first bipolar plate contacting the first electrode, and a second bipolar plate contacting the second electrode, where a portion of the first electrode or the first bipolar plate contains a dielectric material.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 17, 2019
    Assignee: Lockheed Martin Energy, LLC
    Inventors: Adam Morris-Cohen, Srivatsava Puranam, John Goeltz, Arthur J. Esswein
  • Patent number: 10411265
    Abstract: A lithium ion secondary battery includes a negative electrode, a positive electrode, and a non-aqueous electrolyte solution. The non-aqueous electrolyte solution includes a lithium salt and an aprotic solvent. The negative electrode includes a composite particle. The composite particle includes a negative electrode active material and tungsten trioxide. The negative electrode active material contains graphite. The tungsten trioxide is disposed on a surface of the negative electrode active material.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: September 10, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuhisa Takeda, Keisuke Ohara
  • Patent number: 10411285
    Abstract: Parasitic reactions, such as production of hydrogen and oxidation by oxygen, can occur under the operating conditions of flow batteries and other electrochemical systems. Such parasitic reactions can undesirably impact operating performance by altering the pH and/or state of charge of one or both electrolyte solutions in a flow battery. Electrochemical balancing cells can allow rebalancing of electrolyte solutions to take place. Electrochemical balancing cells suitable for placement in fluid communication with both electrolyte solutions of a flow battery can include: a first chamber containing a first electrode, a second chamber containing a second electrode, a third chamber disposed between the first chamber and the second chamber, an ion-selective membrane forming a first interface between the first chamber and the third chamber, and a bipolar membrane forming a second interface between the second chamber and the third chamber.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: September 10, 2019
    Assignee: Lockheed Martin Energy, LLC
    Inventors: Steven Y. Reece, John Goeltz, Joseph Johannes Henricus Pijpers, Paravastu Badrinarayanan
  • Patent number: 10312502
    Abstract: A lithium electrode including a porous carbon body; and a lithium metal inserted into pores of the porous carbon body is provided. The lithium electrode may include a lithium ion conductive protective layer formed on at least one surface of the porous carbon body. The lithium electrode can be used as a negative electrode in a lithium secondary battery.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: June 4, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Byoungkuk Son, Minchul Jang, Kiyoung Kwon, Seong Ho Lee, Intae Park, Changhun Park, Junghun Choi
  • Patent number: 10297826
    Abstract: It is an object of the present invention to provide a nonaqueous electrolyte secondary battery with improved output characteristics. An example of an embodiment of the present invention provides a nonaqueous electrolyte secondary battery comprising an electrode assembly having a structure in which a positive electrode plate and a negative electrode plate are stacked with a separator therebetween. The positive electrode plate contains a lithium transition metal oxide containing tungsten as a positive electrode active material and also contains a phosphate compound. The negative electrode plate contains a graphitic carbon material and an amorphous/noncrystalline carbon material as negative electrode active materials and includes a coating of tungsten or a tungsten compound on the surface of the amorphous/noncrystalline carbon material.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: May 21, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Kouhei Tuduki, Atsushi Fukui
  • Patent number: 10269465
    Abstract: The sulfide of the present invention comprises an amorphous (lithium) niobium sulfide having an average composition represented by formula (1): Lik1NbSn1 (wherein 0?k1?5; 3?n1?10; and when n1?3.5, k1?0.5), or an amorphous (lithium) titanium niobium sulfide having an average composition represented by formula (2): Lik2Ti1-m2Nbm2Sn2 (wherein 0?k2?5; 0<m2<1; 2?n2?10; and when n2?3.5, k2?1.5). The sulfide of the present invention is a material that is useful as a cathode active material for lithium batteries, such as lithium primary batteries, lithium secondary batteries, and lithium ion secondary batteries, and has a high charge-discharge capacity, high electrical conductivity, and excellent charge-discharge performance.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: April 23, 2019
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Atsushi Sakuda, Tomonari Takeuchi, Noboru Taguchi, Hikari Sakaebe, Kuniaki Tatsumi
  • Patent number: 10249910
    Abstract: A rechargeable lithium-ion cell has a cell capacity and includes a positive electrode having a recharged potential and a negative electrode. The rechargeable lithium-ion cell also includes a charge-carrying electrolyte. The charge-carrying electrolyte includes a charge-carrying medium and a lithium salt. The rechargeable lithium-ion cell also includes a redox shuttle having the following structure.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: April 2, 2019
    Assignee: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY
    Inventors: Thomas F. Guarr, Mathew M. Gregory, Nicholas Robert Boersma, Robert Andrew Polik, Nicholas Mortimer
  • Patent number: 10249876
    Abstract: A lithium-ion secondary battery with high capacity is provided. Alternatively, a lithium-ion secondary battery with unproved cycle characteristics is provided. To achieve this, an active material including a particle having a cleavage plane and a layer containing carbon covering at least part of the cleavage plane is provided. The particle having the cleavage plane contains lithium, manganese, nickel, and oxygen. The layer containing carbon preferably contains graphene. When a lithium-ion secondary battery is fabricated using an electrode including the particle having the cleavage plane at least part of which is covered with the layer containing carbon as an active material, the discharge capacity can be increased and the cycle characteristics can be improved.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: April 2, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Kawakami, Tatsuya Ikenuma, Teruaki Ochiai, Shuhei Yoshitomi, Mako Motoyoshi, Hiroyuki Miyake, Yohei Momma, Takuya Hirohashi, Satoshi Seo
  • Patent number: 10240023
    Abstract: Polymer-ceramic composites, in particular for the field of electronics, include grains of titanium suboxides of general formulation TiOx in which x is between 1.00 and 1.99, limits included, and/or of barium and/or strontium titanate suboxides of general formulation Ba(1-m)SrmTiOy in which y is between 1.50 and 2.99, limits included, and m is between 0 and 1, limits included.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: March 26, 2019
    Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventor: Stéphane Raffy
  • Patent number: 10236920
    Abstract: Injectable transmitters are provided that can include a body with the body housing a power source and an oscillator, the injectable transmitter also including an antenna extending from the body, the body and antenna being of sufficient size to be injected through a 9 gauge needle. Radio frequency transmitters are provided that can include a body extending from a nose to a tail with the body housing a power source and RF signal generator components. The power source of the transmitter can define at least a portion of the nose of the body. The transmitters can have an antenna extending from the tail. Methods for attaching a radio frequency (RF) transmitter to an animal are provided. The methods can include providing an RF transmitter and providing an injection device having a needle of gauge of 9 or smaller; providing the RF transmitter into the injection device; and providing the RF transmitter through the 9 gauge or smaller needle and into the animal.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: March 19, 2019
    Assignee: Battelle Memorial Institute
    Inventors: Z. Daniel Deng, Jun Lu, Huidong Li, Chuan Tian, Mitchell J. Myjak, Brian J. Bellgraph, Sam Cartmell, Jie Xiao
  • Patent number: 10199651
    Abstract: A binder composition for an electrode of an electric storage device is provided. The binder composition comprises (A) at least one polymer selected from the group consisting of polyamic acids and imidized polymers thereof having an imidization rate of 50% or less and (B) water. The ratio Ma/Mb of the content of the polymer (A), Ma (parts by mass), to the content of the water (B), Mb (parts by mass), ranges from 500 to 5,000. The binder composition for an electrode of the present invention provides an electric storage device having a large charge/discharge capacity and a low degree of capacity degradation due to repetition of a charge/discharge cycle.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: February 5, 2019
    Assignee: JSR Corporation
    Inventors: Osamu Kose, Yasuo Matsuki, Tomotaka Shinoda
  • Patent number: 10193154
    Abstract: In some examples, a primary battery comprising a cathode comprising at least one active material and at least one of a metal oxide and metal fluoride, wherein the active material exhibits a first discharge capacity and the at least one of metal oxide and metal fluoride exhibits a second discharge capacity at a voltage lower than the first discharge capacity; an anode comprising a metal as an electron source; and an electrolyte between the cathode and anode. The metal reacts with the electrolyte below a third discharge capacity at a voltage lower than the second discharge capacity to form a gas, where the metal reacts with the active material at the first discharge capacity, and, following the consumption of the active material of the cathode, the metal reacts with the at least one of metal oxide and metal fluoride of the cathode prior to reacting with the electrolyte below the third discharge capacity.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: January 29, 2019
    Assignee: Medtronic, Inc.
    Inventor: Kaimin Chen
  • Patent number: 10186716
    Abstract: A non-aqueous flow cell energy storage device comprises a ionically conductive separator, which separator comprises a polyurethane prepared by curing an isocyanate capped prepolymer, which prepolymer was prepared from a polyol having polycarbonate backbone, wherein the separator may be impregnated with electrolyte salts and/or swelled by an organic solvent.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: January 22, 2019
    Assignee: LANXESS SOLUTIONS US INC.
    Inventors: Venkatramanan K Madabusi, Joseph F Stieber, Kevin Jackson, George Brereton, Fei Wang, Dharmasena Peramunage
  • Patent number: 10141120
    Abstract: The present invention relates to a power storage system including a negative electrode which has a crystalline silicon film provided as a negative electrode active material on the surface of a current collector and contains a conductive oxide in a surface layer section of the crystalline silicon film. Alternatively, the present invention relates to a method for manufacturing a power storage system, which includes the step of forming an amorphous silicon film on a current collector, adding a catalytic element for promoting crystallization of the amorphous silicon, onto a surface of the amorphous silicon film, heating the amorphous silicon film with the catalytic element added to crystallize the amorphous silicon film and thereby form a crystalline silicon film, and using the crystalline silicon film as a negative electrode active material layer.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 27, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Tamae Moriwaka, Kazutaka Kuriki, Mikio Yukawa
  • Patent number: 10128497
    Abstract: A multilayered structure including a substrate and a layer of calcium-doped bronze is disclosed. A multilayered structure including a substrate, a layer of calcium-doped bronze, and a layer of pure bronze is also disclosed. A method for fabricating a multilayer structure including a substrate and a layer of calcium-doped bronze is also disclosed.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 13, 2018
    Assignee: The Regents of The University of Michigan
    Inventors: Xiaoqing Pan, George W. Graham, Michael B. Katz, Kui Zhang
  • Patent number: 10113048
    Abstract: Polymer-ceramic composites, in particular for the field of electronics, include grains of titanium suboxides of general formulation TiOx in which x is between 1.00 and 1.99, limits included, and/or of barium and/or strontium titanate suboxides of general formulation Ba(1-m)SrmTiOy in which y is between 1.50 and 2.99, limits included, and m is between 0 and 1, limits included.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: October 30, 2018
    Assignee: SAINT-COBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventor: Stéphane Raffy
  • Patent number: 10116021
    Abstract: An electrochemical cell in one embodiment includes a first electrode, and a second electrode spaced apart from the first electrode, the second electrode including a substrate of active material, a form of lithium, and a solvent or electrolyte having an electrophilicity index value of less than or equal to 1.1 eV.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: October 30, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Roel S. Sanchez-Carrera, Boris Kozinsky, Timm Lohmann, Paul Albertus, John F. Christensen
  • Patent number: 10062901
    Abstract: A negative active material, a negative electrode, a lithium battery including the negative active material, and a method of preparing the negative active material. The negative active material includes a crystalline carbonaceous substrate; and metal oxide nanoparticles disposed on a surface of the crystalline carbonaceous substrate, wherein the metal oxide nanoparticles have a rutile structure. The negative active material may be used to improve high temperature stability and lifespan characteristics of a lithium battery.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: August 28, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Park, Jae-Myung Kim, Hyun-Ki Park, Dong-Hee Han
  • Patent number: 9985313
    Abstract: A lithium ion battery having an anode, a solid electrolyte, and a cathode. The cathode includes an electrode active material, a first lithium salt, and a polymer material. The solid electrolyte can include a second lithium salt. The solid electrolyte can include a ceramic material, a lithium salt, and a polymer material.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: May 29, 2018
    Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.
    Inventors: Deidre Strand, Marissa Caldwell
  • Patent number: 9960412
    Abstract: The present invention is directed to a lithium secondary battery comprising an anode comprising an anode active material, a cathode comprising a cathode active material, and a polymer membrane, wherein the polymer membrane is disposed between the cathode and the anode, wherein the anode active material comprises a mixture of at least two kinds of lithium metal oxide particles having different mass median particle diameters D50, wherein the lithium metal oxide particles are secondary particles comprising primary particles, the mixture comprises first lithium metal oxide particles having a mass median particle diameter D50 of 1 nm to less than 3 ?m, second lithium metal oxide particles having a mass median particle diameter D50 of 3 ?m to 30 ?m, and a mix ratio of the first lithium metal oxide particles to the second lithium metal oxide particles is 70:30 to 30:70.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: May 1, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Min Hee Lee, Seong Min Lee, Tae Jin Park
  • Patent number: 9893349
    Abstract: According to one embodiment, an active material is provided. The active material includes active material particles. The active material particle includes a core particle and a shell layer which covers at least a part of a surface of the core particle. The core particle contains a monoclinic or orthorhombic niobium-titanium composite oxide. The shell layer contains a compound which is at least one compound selected from the group consisting of a lithium-titanium composite oxide, an Nb-containing lithium-titanium composite oxide, a lithium-niobium composite oxide, a lithium phosphate, and an Nb-containing lithium phosphate. The compound has a composition different from that of the monoclinic or orthorhombic niobium-titanium composite oxide.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: February 13, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasuhiro Harada, Norio Takami
  • Patent number: 9856148
    Abstract: Provided are: an alkali metal titanium oxide having a uniform composition and that is such that there are no residual by-products having a different composition or unreacted starting materials; and a method for producing a titanium oxide and proton exchange body obtained by processing the alkali metal titanium oxide. The method produces an alkali metal titanium oxide by firing the result of impregnating the surface and inside of pores of porous titanium compound particles with an aqueous solution of an alkali metal-containing component. The alkali metal titanium oxide is subjected to proton exchange, and with the proton exchange body of the alkali metal titanium oxide as the starting material, the titanium oxide is produced through a heat processing step.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: January 2, 2018
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, ISHIHARA SANGYO KAISHA, LTD.
    Inventors: Hideaki Nagai, Junji Akimoto, Kunimitsu Kataoka, Yoshimasa Kumashiro, Tomoyuki Sotokawa, Nobuharu Koshiba
  • Patent number: 9742007
    Abstract: A secondary battery includes: a cathode; an anode including an active material; and an electrolytic solution, wherein the active material includes a central section and a covering section provided on a surface of the central section, the central section includes silicon (Si) as a constituent element, the covering section includes carbon (C) and hydrogen (H) as constituent elements, and one or more of positive ions represented by CxHy (x and y satisfy 2?x?6 and 3?y?9) are detected by positive ion analysis of the covering section with the use of time-of-flight secondary ion mass spectrometry.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: August 22, 2017
    Assignee: Sony Corporation
    Inventors: Takakazu Hirose, Kenichi Kawase, Toshio Nishi, Isao Koizumi
  • Patent number: 9735417
    Abstract: According to an embodiment, a method of manufacturing an active material is provided. The active material includes particles of a composite oxide of the general formula Ti1±xNb2±yMzO7?? and a carbon-including phase. Here, 0?x?0.15, 0?y?0.3, 0.01<z?0.2, and 0<?<0.3. M is at least one of Mg, Fe, Ni, Co, W, Ta, and Mo. The manufacturing method includes preparing a mixture by mixing in a liquid, a compound including Ti, a compound including Nb, a carbon source, and a compound including an element M, obtaining a precursor from the mixture, and calcining the precursor. The calcination is performed in a mixed atmosphere including nitrogen and oxygen, or argon and oxygen, with an oxygen concentration of 5% to 15%.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: August 15, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Keigo Hoshina, Yasuhiro Harada, Kazuki Ise, Norio Takami
  • Patent number: 9537172
    Abstract: According to one embodiment, in a manufacturing method of a sealed secondary battery of the embodiment, a first sealing body, which is configured to seal an opening portion of a lid body to cover the opening portion and is formed into a sheet-like shape by using a metal material, is placed on the lid body, and the first sealing body is welded to the lid body. The sealed secondary battery having the first sealing body welded thereto is charged, and the sealed secondary battery is discharged after the charge. A hole is bored in the first sealing body to form a hole portion after the discharge, a second sealing body is placed to cover the first sealing body, and the second sealing body is welded to the lid body through the first sealing body.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: January 3, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naotada Okada, Kenta Fukatsu
  • Patent number: 9515310
    Abstract: Methods are provided for forming films of orthorhombic V2O5. Additionally provided are the orthorhombic V2O5 films themselves, as well as batteries incorporating the films as cathode materials. The methods use electrodeposition from a precursor solution to form a V2O5 sol gel on a substrate. The V2O5 gel can be annealed to provide an orthorhombic V2O5 film on the substrate. The V2O5 film can be freestanding such that it can be removed from the substrate and integrated without binders or conductive filler into a battery as a cathode element. Due to the improved intercalation properties of the orthorhombic V2O5 films, batteries formed using the V2O5 films have extraordinarily high energy density, power density, and capacity.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: December 6, 2016
    Assignee: University of Washington through its Center for Commercialization
    Inventors: Guozhong Cao, Yanyi Liu
  • Patent number: 9401247
    Abstract: Provided is a negative electrode for a power storage device in which charge/discharge capacity is high and deterioration in battery characteristics due to charge/discharge is small. The negative electrode for a power storage device includes a negative electrode active material having a plurality of protrusions and a bar which serves as a connecting bridge over a first protrusion and a second protrusion among the plurality of protrusions. The bar is provided in a direction perpendicular to a direction in which a current collector is bent. An axis of the first protrusion and an axis of the second protrusion are oriented in the same direction. Further, a graphene covering a side surface of the protrusion or covering the side surface of the protrusion and a top surface of the bar may be provided.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: July 26, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryota Tajima, Shunpei Yamazaki, Hideomi Suzawa, Takeshi Osada
  • Patent number: 9331283
    Abstract: The method of manufacturing nanoparticles of a target material includes mixing graphene oxide with an aqueous solvent to prepare an aqueous solution, mixing the target material with an organic solvent to prepare an organic solution, mixing the aqueous solution with the organic solution, and preparing nanoparticles of the target material by the graphene oxide.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: May 3, 2016
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jung Ah Lim, Yong-Won Song, Jae-Min Hong, Dong Youn Yoo, Hee-Suk Kim
  • Patent number: 9331333
    Abstract: The present invention relates to a negative electrode material for a sodium ion battery, and to a method for producing it. The active material of the electrode material is composed of an oxide with a structure corresponding to the layered structure of the compound Na2Ti3O7, said oxide conforming to the formula NaxTi(IV)aTi(III)bMcO7 (A), in which x denotes the number of Na+ ions inserted between the layers, per Ti3O7 structural unit, with 0<x?5; Ti(IV) and Ti(III) represent titanium in the oxidation states IV and III, respectively; M represents one or more elements selected from 3d transition metals and 4d transition metals; the values of x, a, b and c are such that the compound is electronically neutral in view of the oxidation state of the element or elements represented by M; and the ratio (a+b)/c is greater than 0.5. The electrode material is obtained by electrochemical reduction of an oxide Nax?Ti(IV)a?McO7(B).
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: May 3, 2016
    Assignees: AGENCIA ESTALAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Premkumar Senguttuvan, Rosa Maria Palacin, Jean-Marie Tarascon
  • Patent number: 9325002
    Abstract: A battery active material according to an embodiment includes a niobium composite oxide and a phosphorus compound being present in at least a part of the surface of the niobium composite oxide. A nonaqueous electrolyte battery according to the embodiment includes a negative electrode including the battery active material according to the embodiment, a positive electrode, and a nonaqueous electrolyte. A battery pack according to the embodiment includes at least one nonaqueous electrolyte battery according to the embodiment.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: April 26, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroki Inagaki, Takuya Iwasaki, Norio Takami
  • Patent number: 9318742
    Abstract: An object is to provide a positive active material for nonaqueous electrolyte secondary battery, which is capable of providing a battery with excellent cycle performance. Provided are a positive active material for nonaqueous electrolyte secondary battery, which includes an Fe-containing lithium vanadium phosphate compound having a NASICON-type structure, wherein in the Fe-containing lithium vanadium phosphate compound, the percentage of iron atoms relative to the sum of vanadium and iron atoms is 2% or more and 20% or less; and the like.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: April 19, 2016
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Yukiko Fujino, Yoshinobu Yasunaga, Toru Tabuchi, Tokuo Inamasu, Toshiyuki Nukuda
  • Patent number: 9293235
    Abstract: According to the present invention, there are provided lithium titanate particles which exhibit an excellent initial discharge capacity and an enhanced high-efficiency discharge capacity retention rate as an active substance for non-aqueous electrolyte secondary batteries and a process for producing the lithium titanate particles, and Mg-containing lithium titanate particles.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: March 22, 2016
    Assignee: TODA KOGYO CORPORATION
    Inventors: Akinori Yamamoto, Tomoko Okita, Hiroshi Yamamoto, Kohji Mori, Kazumichi Koga, Akihisa Kajiyama
  • Patent number: 9269503
    Abstract: A titanium oxide composite, a titanium oxide composite manufacturing method, and a super capacitor using the same are provided. The titanium oxide composite is prepared to surround graphene on a surface of titanium oxide granules. One of a granular LixTiyOz and a granular HxTiyOz is selected and thereby used for the granular titanium oxide, the granular LixTiyOz satisfies 1?x?4, 1?y?5, and 1?z?12, and the granular HxTiyOz satisfies 1?x?2, 1?y?12, and 1?z?25.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: February 23, 2016
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Kyung Min Lee, Byung Gwan Lee
  • Patent number: 9218916
    Abstract: An object is to provide graphene which has high conductivity and is permeable to ions of lithium or the like. Another object is to provide, with use of the graphene, a power storage device with excellent charging and discharging characteristics. Graphene having a hole inside a ring-like structure formed by carbon and nitrogen has conductivity and is permeable to ions of lithium or the like. The nitrogen concentration in graphene is preferably higher than or equal to 0.4 at. % and lower than or equal to 40 at. %. With use of such graphene, ions of lithium or the like can be preferably made to pass; thus, a power storage device with excellent charging and discharging characteristics can be provided.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: December 22, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takuya Hirohashi, Teppei Oguni
  • Patent number: 9153821
    Abstract: A method of manufacturing a battery current collector foil includes: applying wet etching (electrolytic etching) to a surface of a metal foil (aluminum foil) (step S1); and forming a conductive coating (carbon coating) on the surface of the metal foil (aluminum foil 33), which has been subjected to the wet etching, by vapor depostion (AIP) (step S2).
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: October 6, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Takayasu Sato
  • Patent number: 9105932
    Abstract: A lithium ion battery includes at least one battery cell. The battery cell includes a cathode electrode, an anode electrode, and a separator. The separator is sandwiched between the cathode electrode and the anode electrode. At least one of the cathode electrode and the anode electrode includes a current collector. The current collector is a carbon nanotube layer consisting of a plurality of carbon nanotubes.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 11, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jia-Ping Wang, Ke Wang, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 9082862
    Abstract: An oxide semiconductor composition comprises graphene, a metal oxide precursor, and a solvent. Based on a total weight of the oxide semiconductor composition, a concentration of the graphene is between 0.01 and 10 wt %, a concentration of the metal oxide is between 0.01 and 30 wt %, and a concentration of the solvent is between 60 and 99.98 wt %.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: July 14, 2015
    Assignee: Chunghwa Picture Tubes, LTD.
    Inventors: Chia-Sheng Hsieh, Jan-Tian Lian, Hung-Yu Wu, Hsin-Min Fu, Jang-Jeng Liang
  • Patent number: 9077050
    Abstract: A lithium secondary battery including lithium molybdate. The lithium molybdate is a composite including semi-crystalline lithium molybdate as a minor component and crystalline lithium molybdate as a major component.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: July 7, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Young-Hun Lee, Ick-Kyu Choi, Yong-Chul Park, Yoon-Chang Kim, Hyun-Deok Lee, Yong-Chan You
  • Patent number: 9059462
    Abstract: A cathode and a lithium battery including the cathode include a cathode active material that is obtained from a compound, Li2MoO3, in which molybdenum is doped or partially substituted with a heterogeneous element. The cathode active material includes a compound represented by LixMyMozO3, in which M is a dopant that decreases the mobility of the molybdenum upon charging and discharging of the battery. Accordingly, the cathode has improved electrical characteristics.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Kyu-Sung Park
  • Publication number: 20150147649
    Abstract: An anode active material for a lithium secondary battery, the anode active material including a metal silicide core, a silicon shell disposed on the core, and a metal nitride disposed on a surface of the silicon shell opposite the core.
    Type: Application
    Filed: July 24, 2014
    Publication date: May 28, 2015
    Inventors: Hee-chul JUNG, Jin-soo MUN, Jin-hwan PARK, Gue-sung KIM
  • Patent number: 9040200
    Abstract: A method for forming a nanocomposite material, the nanocomposite material formed thereby, and a battery made using the nanocomposite material. Metal oxide and graphene are placed in a solvent to form a suspension. The suspension is then applied to a current collector. The solvent is then evaporated to form a nanocomposite material. The nanocomposite material is then electrochemically cycled to form a nanocomposite material of at least one metal oxide in electrical communication with at least one graphene layer.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 26, 2015
    Assignee: Battelle Memorial Institute
    Inventors: Jun Liu, Daiwon Choi, Wendy D. Bennett, Gordon L. Graff, Yongsoon Shin
  • Publication number: 20150140359
    Abstract: In an aspect, a negative active material, a negative electrode and a lithium battery including the negative active material, and a method of manufacturing the negative active material is provided. The negative active material includes a silicon-based active material substrate; a metal oxide nanoparticle disposed on a surface of the silicon-based active material substrate. An initial irreversible capacity of the lithium battery may be decreased and lifespan characteristics may be improved by using the negative active material.
    Type: Application
    Filed: April 25, 2014
    Publication date: May 21, 2015
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Park, Young-Ugk Kim, Hyun-Ki Park, Chang-Su Shin, Ui-Song Do, Sung-Su Kim
  • Patent number: 9034521
    Abstract: Provided is an anode material for an electrode mix comprising a carbon material and a lithium titanium oxide (LTO), wherein a ratio of an average particle size of LTO relative to that of the carbon material is in a range of 0.1 to 20%, and LTO is distributed mainly on a surface of the carbon material. The anode material of the present invention can prevent excessive formation of a SEI film, and is of a high capacity due to a high energy density and exhibits excellent output characteristics and rate characteristics. Further, it has superior electrolyte wettability which consequently results in improved battery performance and life characteristics.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: May 19, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Eun Ju Lee, Ji Heon Ryu, Inchul Kim, HanHo Lee
  • Publication number: 20150132626
    Abstract: An electrode assembly and a secondary battery using the same are disclosed. The electrode assembly includes a positive electrode, a negative electrode, and a lithium ion conductor layer disposed at least in one of between the positive electrode and the negative electrode, on an outer surface of the positive electrode, and on an outer surface of the negative electrode, to improve thermal safety of the secondary battery.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 14, 2015
    Inventors: Young-Jin Park, Do-Hyung Park, Ki-Hyun Kim, Min-Han Kim, Sang-Hoon Kim, Yu-Mi Song, Sun-Ho Kang, Kwang-Hwan Cho
  • Publication number: 20150129913
    Abstract: An electrode structure includes a first diffusion barrier layer, an aluminum reflective layer formed over the first diffusion barrier layer. The aluminum reflective layer has a thickness from about 500 angstroms (?) to less than 2,000 ?, a second diffusion barrier layer formed over the aluminum reflective layer, and an electrode layer overlying the second diffusion barrier layer. The electrode structure is applicable in a light emitting diode device.
    Type: Application
    Filed: July 21, 2014
    Publication date: May 14, 2015
    Inventors: Po-Yang CHANG, Tzu-Hung CHOU
  • Publication number: 20150132650
    Abstract: A magnesium electrochemical cell having a positive electrode containing as an active ingredient, an amorphous material of formula [V2O5]c[MgXy]d[MaOb]e is provided. In the formula M is an element selected from the group consisting of P, B, Si, Ge and Mo, and X is O, F, Cl, Br or I.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 14, 2015
    Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Fuminori MIZUNO, Ruigang Zhang, Jason Germain, Keiko Kato, Timothy Sean Arthur
  • Patent number: 9029014
    Abstract: An anode includes an anode active material including a lithium titanium oxide, a binder, and 0 to about 2 parts by weight of a carbon-based conductive agent based on 100 parts by weight of the lithium titanium oxide.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: May 12, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Min-sang Song, Kyu-sung Park, Gue-sung Kim, Soo-an Song, Jae-hyung Kim, Ji-yong Eom, Seung-goo Baek
  • Patent number: 9029026
    Abstract: A battery (10) is disclosed having a negative or anodic half cell (12) and a cathodic or positive half cell (13). The positive and negative half cells are encased within a fabric within a non-conductive housing (14). The housing includes holes (18) which allow the passage of ambient air. The anodic material (20) is preferably a transition metal bronze such as Na0.9W0.75Ti0.25O3. The positive half cell is made of a cathodic material (25) in the form of powder which is encased a fabric (26). The cathodic material is preferably Na0.9W0.75P0.25O3.325. The battery also includes an electrical conductor (31) in electrical contact with the positive half cell and the negative half cell. The electrical conductor includes a switch (35) which may be opened and closed to couple the half cells together to produce an electric current through a load (36).
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: May 12, 2015
    Assignee: Omega Energy Systems, LLC
    Inventor: Michael Lee Horovitz
  • Publication number: 20150125753
    Abstract: A battery active material according to an embodiment includes a niobium composite oxide and a phosphorus compound being present in at least a part of the surface of the niobium composite oxide. A nonaqueous electrolyte battery according to the embodiment includes a negative electrode including the battery active material according to the embodiment, a positive electrode, and a nonaqueous electrolyte. A battery pack according to the embodiment includes at least one nonaqueous electrolyte battery according to the embodiment.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 7, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroki INAGAKI, Takuya Iwasaki, Norio Takami
  • Patent number: 9023527
    Abstract: A new electroactive material of formula H4V3O8 obtainable from H2V3O8 is described as well as a method for its production, an electroactive cathode coating material comprising this electroactive material, a method for its production and cathodes as well as aqueous and non aqueous, rechargeable and non rechargeable batteries comprising such cathodes.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 5, 2015
    Assignee: Belenos Clean Power Holding AG
    Inventors: Yoan Mettan, Reinhard Nesper