Copper Component Is Active Material Patents (Class 429/220)
  • Patent number: 10879560
    Abstract: An active material according to one aspect of the present invention includes a core region; and a shell region, in which an amount of transition metals in the core region is more than an amount of transition metals in the shell region, and an amount of oxygen deficiency in the shell region is more than an amount of oxygen deficiency in the core region.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 29, 2020
    Assignee: TDK CORPORATION
    Inventors: Hiroshi Sato, Masahiro Oishi, Haruna Kato
  • Patent number: 10847793
    Abstract: A negative active material for a rechargeable lithium battery includes a lithium titanate compound represented by Chemical Formula 1, where R, a Raman spectrum intensity ratio (I(F2u)/I(F2g)) of an F2u peak in a range of about 200 cm?1 to about 300 cm?1 relative to an F2g peak in a range of about 400 cm?1 to about 550 cm?1 is greater than or equal to about 0.7. Li4+xTi5?yMzO12?n??Chemical Formula 1 In Chemical Formula 1, ?0.2?x?0.2, ?0.3?y?0.3, 0?z?0.3, ?0.3?n?0.3, and M is selected from Mg, Al, Ca, Sr, Cr, V, Fe, Co, Ni, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, Ba, La, Ce, Ag, Ta, Hf, Ru, Bi, Sb, As, and a combination thereof.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: November 24, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soojeong Lee, Young-Kee Kim, Dong-Hyun Shin, Sun-Il Park, Sujin Um
  • Patent number: 10840499
    Abstract: A positive electrode active material comprising: a compound which has a crystal structure belonging to space group Fm-3m and which is represented by the following composition formula: LixMeyO?X?. In the formula, the Me represents one or more elements selected from the group consisting of Mn, Ni, Co, Fe, Al, Sn, Cu, Nb, Mo, Bi, Ti, V, Cr, Y, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ag, Ru, Ta, W, La, Ce, Pr, Sm, Eu, Dy, and Er. The X represents one element selected from the group consisting of Cl, Br, I, N, and S. The following conditions are satisfied: 0.5?x?1.5; 0.5?y?1.0; 1??<2; and 0<??1.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: November 17, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Issei Ikeuchi, Ryuichi Natsui, Kensuke Nakura
  • Patent number: 10833317
    Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and that is represented by the composition formula (1) and a lithium ion conductor, LixMeyO?F???(1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 1.7?x?2.2 0.8?y?1.3 1???2.5 0.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 10, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryuichi Natsui, Kensuke Nakura
  • Patent number: 10815143
    Abstract: A composition comprising (i) a matrix comprising a metal oxide, metal sulphide and/or metal selenide as the matrix material, the metal oxide, metal sulphide and/or metal selenide comprising at least two metals M1 and M2, and (ii) a metal M3 which is mobile in the matrix. The atomic ratio of M1 to M2 is within the range of 75:25 to 99.99:0.01; the valence states of M1, M2 and M3 are all positive; the valence state of M1 is larger than the valence state of M2; the valence state of M2 is equal to or larger than the valence state of M3; and the metals M1, M2 and M3 are different.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: October 27, 2020
    Assignee: Heraeus Deutschland GmbH & Co. KG
    Inventor: Christian Neumann
  • Patent number: 10818911
    Abstract: A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and contains is represented by the composition formula (1) and an insulating compound, LixMeyO?F???(1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 1.7?x?2.2 0.8?y?1.3 1???2.5 0.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: October 27, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryuichi Natsui, Kensuke Nakura
  • Patent number: 10811673
    Abstract: A battery includes a positive electrode containing a positive electrode active material, a negative electrode, and a solid electrolyte. The positive electrode active material contains a compound which has a crystal structure belonging to the space group FM3-M and which is represented by the following formula: LixMeyO?F???(1) where Me is one or more selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V and Cr and the conditions 1.7?x?2.2, 0.8?y?1.3, 1???2.5, and 0.5???2 are satisfied.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: October 20, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Izuru Sasaki, Ryuichi Natsui
  • Patent number: 10804529
    Abstract: An electrode material including a carbonaceous-coated electrode active material having primary particles of an electrode active material and secondary particles that are aggregates of the primary particles, and a carbonaceous film that coats the primary particles of the electrode active material and the secondary particles that are the aggregates of the primary particles, in which a proportion of a volume of micropores having a micropore diameter of 50 nm or less in a volume of micropores having a micropore diameter of 300 nm or less, which is obtained using a nitrogen adsorption method, is 40% or more.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 13, 2020
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Kouji Oono, Satoru Oshitari, Masataka Oyama
  • Patent number: 10797310
    Abstract: A battery electrode composition is provided comprising anode and cathode electrodes and an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes may comprise a plurality of active material particles provided to store and release ions during battery operation. The electrolyte may comprise an aqueous metal-ion electrolyte ionically interconnecting the active material particles. Further, the plurality of active material particles may comprise a conformal, metal-ion permeable coating at the interface between the active material particles and the aqueous metal-ion electrolyte. The conformal, metal-ion permeable coating impedes water decomposition at the aforesaid at least one of the electrodes.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: October 6, 2020
    Assignee: SILA NANOTECHNOLOGIES INC.
    Inventors: Gleb Yushin, Bogdan Zdyrko, Eugene Michael Berdichevsky
  • Patent number: 10797311
    Abstract: The invention relates to lithium ion battery, more particularly to a lithium nickel cobalt manganese oxide (Li(Ni0.8Co0.1Mn0.1)O2) composite material, including lithium nickel cobalt manganese oxide and a hydrophobic material coated on the surface of lithium nickel cobalt manganese oxide. The hydrophobic material coated on the surface of lithium nickel cobalt manganese oxide is insoluble in water, so that the lithium nickel cobalt manganese oxide composite material solves the problem that the batteries using conventional lithium nickel cobalt manganese oxide materials easily absorb water. A method for preparing the lithium nickel cobalt manganese oxide composite material is also disclosed.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 6, 2020
    Assignee: Long Power Systems (Nantong) Co., Ltd.
    Inventors: Richard Brian Huang, Donald Sadoway, Min Ting
  • Patent number: 10770747
    Abstract: A lithium secondary battery includes a cathode, an anode and a non-aqueous electrolyte. The anode includes an anode active material which includes a natural graphite, an average particle diameter (D50) of the natural graphite being in a range from 9 ?m to 14 ?m, and an expansion rate of the anode represented is 17% or less.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: September 8, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Jee Hee Lee, Dock Young Yoon, Sang Jin Kim
  • Patent number: 10729092
    Abstract: A novel soybean variety, designated GF21719426 is provided. Also provided are the seeds of soybean variety GF21719426, cells from soybean variety GF21719426, plants of soybean GF21719426, and plant parts of soybean variety GF21719426. Methods provided include producing a soybean plant by crossing soybean variety GF21719426 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety GF21719426, methods for producing other soybean varieties or plant parts derived from soybean variety GF21719426, and methods of characterizing soybean variety GF21719426. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety GF21719426 are further provided.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: August 4, 2020
    Assignee: AGRIGENETICS, INC.
    Inventor: Douglas P. Sprehe
  • Patent number: 10727526
    Abstract: A secondary battery, including an electrode assembly, the electrode assembly including a pair of electrodes having opposite polarities, and a separator between the pair of electrodes; and at least one electrode tab electrically connected to one of the pair of electrodes, the at least one electrode tab extending outside of the electrode assembly, the electrode assembly further including a buffer layer on the electrode to which the at least one electrode tab is electrically connected, the buffer layer at least partially overlapping a region in which the electrode is connected to the electrode tab.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Byongchul Woo, Jekwang Lee
  • Patent number: 10714745
    Abstract: Anodes for electrochemical cells and batteries are described herein. In particular, and anode comprises silicon oxide particles on a transition metal current collector (e.g., copper, nickel, copper alloy, and the like), wherein the particles comprise nanocrystalline domains of silicon dispersed within a silicon oxide matrix. The particles do not include a metal oxide coating, and are produced by heating a silicon monoxide powder at a temperature in the range of about 400 to about 1100° C. under an inert atmosphere for about 2 to about 20 hours. In some embodiments, the particles are free from a metal oxide coating and have an average diameter of about 20 to 10000 nm; the nanocrystalline domains of silicon comprise about 10 to about 90 mole percent of the particles; and the nanocrystalline domains have dimensions of about 0.2 to about 50 nm in average diameter.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: July 14, 2020
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Wenquan Lu, Linghong Zhang
  • Patent number: 10697077
    Abstract: Provided is an electrolytic copper foil. The electrolytic copper foil has a drum side and a deposited side, wherein ?Rz is less than 0.8 ?m; the electrolytic copper foil has a transverse direction, wherein the electrolytic copper foil is divided into 10 test pieces with the same width and the same length, and each two adjacent ones of the 10 test pieces have a weight deviation therebetween, and a count of the weight deviation(s) greater than or equal to 1.5% is smaller than a count of the weight deviations smaller than 1.
    Type: Grant
    Filed: August 24, 2019
    Date of Patent: June 30, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chien-Ming Lai, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10686176
    Abstract: A lithium-sulfur cell includes a lithium-containing anode, a sulfur-containing cathode and a separator arranged between the lithium-containing anode and the sulfur-containing cathode. To suppress a shuttle mechanism and to prevent a loss of active material, the separator includes a base layer and a polysulfide barrier layer. The polysulfide barrier layer is formed on the cathode side of the separator.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: June 16, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Marcus Wegner, Jean Fanous, Jens Grimminger, Martin Tenzer
  • Patent number: 10680297
    Abstract: A lithium-ion pouch battery cell includes a plurality of electrodes stacked together to form an electrode stack. Each of the electrodes includes a main electrode layer and an electrode tab protruding from the main electrode layer. The electrode stack has a tab surface area, and the main electrode layer has a main surface area. The lithium-ion pouch battery cell further includes a heat-rejecting lead tab coupled to the plurality of electrodes. The heat-rejecting lead tab covers the tab surface area of the electrode tab and the main surface area of the main electrode layer to facilitate heat transfer from the electrode stack to the heat-rejecting lead tab.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: June 9, 2020
    Assignee: GM Global Technology Operations LLC
    Inventor: Robert J. Schoenherr
  • Patent number: 10651501
    Abstract: A main object of the present disclosure is to provide a solid electrolyte including excellent fluoride ion conductivity. The present disclosure achieves the object by providing a solid electrolyte including fluoride ion conductivity, the solid electrolyte comprising: a crystal phase having a perovskite structure or a layered perovskite structure; the crystal phase contains A cation positioned in A site, B cation positioned in B site, and a fluoride ion; the A cation contains R1R2R3R4N+ cation (each of R1 to R4 is independently a hydrogen element or a hydrocarbon group with two or less carbon atoms) or a hydrocarbon cation with two or less carbon atoms; and the B cation contains a divalent metal cation and a monovalent metal cation.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: May 12, 2020
    Assignees: TOHOKU UNIVERSITY, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Amezawa, Takashi Nakamura, Yuta Kimura, Yosuke Matsukawa, Kazuto Ide, Takeshi Tojigamori
  • Patent number: 10637042
    Abstract: A positive active material for a rechargeable lithium battery includes a core including a compound represented by Chemical Formula 1 and a structure-stabilizing compound on a surface of the core. The structure-stabilizing compound includes an Al compound or a Co compound. Chemical Formula 1 is LiaNixCoyMezM1kO2?pFp where 0.9?a?1.1, 0.7?x?0.93, 0<y?0.3, 0<z?0.3, 0?k?0.005, x+y+z+k=1, 0?p?0.005, Me is Mn or Al, and M1 is Mg, Ba, B, La, Y, Ti, Zr, Mn, Si, V, P, Mo, W, or a combination thereof.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: April 28, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-Hoe Lee, Do-Hyung Park, Yong-Chan You, Min-Han Kim
  • Patent number: 10629951
    Abstract: Disclosed is an electrolyte composition, suitable for sodium ion battery, comprising at least one sodium compound selected from the group consisting of sodium monofluorophosphate (Na2PO3F), sodium difluorophosphate (Na PO2F2) and mixture thereof, and a sodium ion battery comprising the same.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: April 21, 2020
    Assignee: SOLVAY SA
    Inventors: Ji-hun Lee, Hag-Soo Kim
  • Patent number: 10608257
    Abstract: An electrode for a nonaqueous electrolyte secondary cell capable of improving the cycle characteristics. The electrode includes a collector and an active material layer formed on a surface of the collector and containing an active material, a binder, and a graphite material. The active material comprises SiOx particles whose surfaces are bonded with an organic material having one or more functional groups selected from the group consisting of a phenylamino group, an imidazole group and an amino group. The binder is composed of a water-soluble polymer made of acrylic acid or a salt thereof.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: March 31, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Noriyuki Ito, Hitoshi Kurihara
  • Patent number: 10593946
    Abstract: Cathodes for a fast charging lithium ion battery, processes for manufacturing thereof and corresponding batteries are provided. Cathode formulations comprise spinel and/or layered structure cathode material with 5-10% of cathode material having an olivine-based structure as polymerization initiator, binder material, and monomer and/or oligomer material selected to polymerize into a conductive polymer upon partial delithiation of the olivine-based structure cathode material during at least a first charging cycle of a cell having a cathode made of the cathode formulation. When the cathode is used in a battery, polymerization is induced in-situ (in-cell) during first charging cycle(s) of the battery to provide a polymer matrix which is evenly dispersed throughout the cathode.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: March 17, 2020
    Assignee: StoreDot Ltd.
    Inventors: Carmit Ophir, Libi Brakha
  • Patent number: 10586978
    Abstract: The present invention relates to a negative electrode active material for a secondary battery, a conductive composition for a secondary battery, a negative electrode material including the same, a negative electrode structure and secondary battery including the same, and a method for manufacturing the same. The present invention includes: a silicon particle; and an amorphous surface layer formed on the surface of the silicon particle. According to the present invention, the negative electrode structure is formed of a composite of a silicon particle and carbon or lithium ion, the oxygen contents of the solid electrolyte and silicon particles are low, and thus aggregation of silicon particles is inhibited. Therefore, in the event of using the negative electrode structure in a negative electrode, a power storage device such as a lithium secondary battery may have high energy density, high output density, and a longer charging/discharging life cycle.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Soichiro Kawakami, Ju Myeung Lee, Hyun Ju Jung, Dong Gyu Chang
  • Patent number: 10586976
    Abstract: Provided is a negative active material and a lithium secondary battery including the negative active material. The negative active material for a secondary battery includes silicon particles, wherein circularities of the particles are determined by equation 1 below, and the circularities are 0.5 or greater and 0.9 or less, Circularity=2(pi×A)1/2/P??[Equation 1] where A denotes a projected area of the silicon particle that is two-dimensionally projected, and P denotes a circumferential length of the silicon particle that is two-dimensionally projected.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: March 10, 2020
    Assignee: Nexeon Ltd
    Inventors: Young Tai Cho, Seung Chul Park, Seon Park, Hee Young Seo, Jee Hye Park, Yong Eui Lee, Chul Hwan Kim
  • Patent number: 10581081
    Abstract: Electrodeposited copper foils having properties suitable for use as negative electrode current collectors in lithium-ion secondary batteries are disclosed. The copper foil has a yield strength in the range of 11 to 45 kg/mm2, and a difference in residual stress between the drum side and the deposited side of at most 95 MPa. Negative electrode current collectors for lithium-ion secondary battery, a lithium-ion secondary battery incorporating the negative electrode, and batteries containing the negative electrode current collector are also disclosed.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: March 3, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Kuei-Sen Cheng, Jui-Chang Chou, Yao-Sheng Lai
  • Patent number: 10573878
    Abstract: Embodiments of the present disclosure provide for cathodes having a metal sulfide thin layer, devices including cathodes, lithium ion batteries including cathodes, methods of making cathodes, and the like.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: February 25, 2020
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Kevin S. Jones, Nicholas G. Rudawski, Shadi Al Khateeb
  • Patent number: 10573893
    Abstract: A method of making an electrode for a lithium ion battery includes providing a restricting media having a main body with opposing planar surfaces and depositing alloying particles on the opposing planar surfaces to form a restrained active particle layer. The restricting media can be a magnetic, electrochemically inactive material with an affinity for the alloying particles. The restricting media restrains expansion of the alloying particles during lithiation to a respective side of the restricting media. Electrodes include a current collector and an electrode material layer adjacent the current collector including the restricting media, the alloying particles deposited on the restricting media to form a restrained active particle layer, and a carbon material in contact with the alloying particles.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: February 25, 2020
    Assignee: Nissan North America, Inc.
    Inventors: Kenzo Oshihara, Xiaoguang Hao
  • Patent number: 10566627
    Abstract: A slurry composition includes a negative electrode active material, a particulate binder, a water soluble polymer, and water. The particulate binder includes a first particulate binder and a second particulate binder. The first particulate binder includes a copolymer (A) including an aliphatic conjugated diene monomer unit and an aromatic vinyl monomer unit, has a degree of swelling in electrolysis solution of 110% to 200% by mass, has a glass transition temperature of ?30° C. to 60° C., and has a gel content of 70% to 98% by mass. The second particulate binder includes a copolymer (B) including an aliphatic conjugated diene monomer unit and an aromatic vinyl monomer unit, has a degree of swelling in electrolysis solution of 250% to 600% by mass, and has a gel content of 70% to 98% by mass.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: February 18, 2020
    Assignee: ZEON CORPORATION
    Inventor: Norikazu Yamamoto
  • Patent number: 10566625
    Abstract: An electricity storage device 20 includes a positive electrode 22, a negative electrode 23 containing a layered structure of an aromatic dicarboxylic acid metal salt as an electrode active material, and an ion conducting medium 27 capable of conducting carrier ions. The layered structure is formed by spray-drying a solution prepared by containing aromatic dicarboxylic acid anions and alkali metal cations by using a spray-drying apparatus.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: February 18, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Masaki Hasegawa, Nobuhiro Ogihara
  • Patent number: 10566622
    Abstract: A cathode material for a lithium-ion secondary battery, the cathode material including: secondary particles which are granulated active material particles including central particles and a carbonaceous film that coats surfaces of the central particles, wherein a granulated body breakage degree ((a?b)/a) of the secondary particles is 0.03 or more and 0.30 or less, and the granulated body breakage degree is calculated based on a relative particle amount a, at which a maximum peak is shown in a particle size distribution of the secondary particles, and a relative particle amount b, at which a maximum peak in a particle size distribution of the secondary particles is shown after a dispersion treatment of the secondary particles is performed using a homogenizer.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 18, 2020
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Masataka Oyama, Takao Kitagawa
  • Patent number: 10553856
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery capable of suppressing the increase in IV resistance of a battery in a combination of a negative electrode containing a lithium-titanium composite oxide and a carbon material and a positive electrode containing a lithium transition metal oxide. A nonaqueous electrolyte secondary battery according to the present invention includes a positive electrode, a negative electrode, a separator placed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The positive electrode contains a lithium transition metal oxide in which Ni accounts for 30 mole percent or more of the total molar amount of metal elements excluding Li and also contains tungsten element. The negative electrode contains a lithium-titanium composite oxide and a carbon material. The nonaqueous electrolyte contains a substance reduced on the negative electrode at a potential of 0.5 V to 1.5 V (vs. Li/Li+).
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: February 4, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Natsumi Goto, Masanori Sugimori, Kouhei Tuduki, Katsunori Yanagida
  • Patent number: 10538625
    Abstract: A polymer compound is formed by condensing a polyacrylic acid having some of carboxyl groups converted into a lithium salt with a polyfunctional amine represented by the following general formula (1). A chain structure constituted by the polyacrylic acid has free carboxyl groups and carboxyl groups converted into a lithium salt. Y is a straight-chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom. R1 and R2 are each independently one or more hydrogen atoms, a methyl group, an ethyl group, a trifluoromethyl group, or a methoxy group.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: January 21, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Takeshi Kondo, Yusuke Sugiyama, Nobuhiro Goda
  • Patent number: 10541414
    Abstract: The invention relates to a cathode material of lithium cobalt oxide for a lithium ion secondary battery and preparation methods and applications thereof. A cathode material comprises a core material and a coating layer, wherein the core material is LixCo(1?y)AyO(2+z), wherein 1.0?x?1.11, 0?y?0.02, ?0.2<z<0.2, and A is one or two or more selected from the group consisting of Al, Mg, Y, Zr and Ti, wherein the coating layer is LiaMbBcOd, wherein M is a lithium ion active metal element and one or two or more selected from the group consisting of Co, Ni, Mn and Mo, and B is an inactive element, and one or two or more selected from the group consisting of Al, Mg, Ti, Zr and Y, and 0.95<b+c<2.5, and the molar ratio of Li to the active metal element M is 0<a/b<1. The battery prepared by the cathode material has advantages of high capacity, high compacted density and excellent cycling stability etc., under high voltage.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: January 21, 2020
    Assignee: GUIZHOU ZHENHUA E-CHEM INC.
    Inventors: Lu Li, Xingping Wu, Maogang Fu, Ansheng Hu, Ming Mei, Xin Huang, Qianxin Xiang
  • Patent number: 10483537
    Abstract: The present invention relates to a positive active material and a method for producing same and, more specifically, to a positive active material comprising LiAlO2 at the surface thereof as a result of reacting an Al compound with residual lithium and to a method for producing same.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: November 19, 2019
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jik Soo Kim, Jin Kyeong Yun, Suk Yong Jeon, Jae Yong Jung, Suk Whan Lee
  • Patent number: 10483013
    Abstract: An insulated wire having an insulating coat layer on the conductor outer peripheral surface having a rectangular cross-sectional shape and also having a long side, a short side, and a corner portion with a curvature radius Rc, wherein a thickness t1 of the insulating coat layer covered on the surface, and which layer includes a long side, a thickness t2 of the insulating coat layer covered on the surface, and which layer includes a short side, and a corner portion thickness t3 of the insulating coat layer satisfy formula (1): t3/{(t1+t2)/2}?1.2??Formula (1) wherein the t1 and t2 are each independently from 20 ?m to 50 ?m, and wherein a ratio of the conductor cross-sectional area Sc to the insulated wire cross-sectional area Sw satisfies formula (2) 1.0>Sc/Sw?0.8;??Formula (2) as well as a coil and an electric or electronic equipment using the same.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: November 19, 2019
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.
    Inventors: Makoto Oya, Tsuneo Aoi
  • Patent number: 10483541
    Abstract: A method of producing a nickel-cobalt composite hydroxide includes: preparing a first solution containing nickel ions and cobalt ions; preparing a second solution containing tungsten ions and having a pH of 10 or more; preparing a third solution containing a complex ion-forming factor; preparing a liquid medium having a pH in a range of 10 to 13.5; supplying the first solution, the second solution, and the third solution separately and simultaneously to the liquid medium to obtain a reacted solution having a pH in a range of 10 to 13.5; and obtaining the nickel-cobalt composite hydroxide containing nickel, cobalt, and tungsten from the reacted solution.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: November 19, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Hideki Yoshida, Masato Sonoo, Takahiro Kitagawa
  • Patent number: 10483594
    Abstract: A positive electrode plate (11) includes a current collector (30) and a mixture layer (31) disposed on the current collector (30). The mixture layer (31) has a thin portion (32) with a thickness of less than 200 ?m disposed on an inner coil half of the current collector (30) and a thick portion (33) having a larger thickness than the thin portion (32), the thick portion (33) having a yield loop height H measured by a stiffness test of 6 mm<H<15 mm.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: November 19, 2019
    Assignees: PANASONIC CORPORATION, SANYO Electric Co., Ltd.
    Inventors: Hiroshi Kawada, Motoharu Saito, Kenichi Hotehama, Yoshinori Aoki
  • Patent number: 10448507
    Abstract: To provide a copper foil and a copper-clad laminate board that have a favorably suppressed transmission loss even in the use thereof in a high frequency circuit board that is folded in use or bent in use. A copper foil having a number of times of folding of 1 or more in a folding test under a prescribed condition for a copper-clad laminate board containing the copper foil having adhered thereto an insulating substrate.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 15, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Ryo Fukuchi
  • Patent number: 10439209
    Abstract: An electrode includes an electrode material, which includes: a core part made of an active substance having a polyanion structure having Mn; and a shell part obtained by covering a surface of the core part with carbon. In addition, an amount of water, as measured by Karl Fischer's method when the electrode is held at 250° C. for 40 minutes after adsorbed water is volatilized by heating, is 1500 ppm or less.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: October 8, 2019
    Assignee: DENSO CORPORATION
    Inventors: Koji Ohira, Daisuke Shibata, Shuhei Yoshida, Keita Takahashi
  • Patent number: 10403881
    Abstract: A method for producing a ceramic cathode layer on an electrically conductive substrate includes applying a coating to the electrically conductive substrate, the coating being in a form of a suspension including at least one suspending agent and at least one ceramic material. The method further includes heating the coating in a reducing atmosphere such that the ceramic material is completely or in part reduced to a fusible reaction product, heating the coating in a reducing atmosphere to temperatures above the melting point of the reaction product so as to form a melt, densifying or sintering the coating in a reducing atmosphere at temperatures that are 100° C. greater than a melting temperature of the reaction product, and reoxidizing the densified or sintered coating in an oxidizing atmosphere in a temperature range of between 400° C. and 1,200° C.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 3, 2019
    Assignee: FORSCHUNGSZENTRUM JUELICH GMBH
    Inventors: Juergen Dornseiffer, Hans-Gregor Gehrke, Manuel Krott, Olivier Guillon, Sven Uhlenbruck
  • Patent number: 10403888
    Abstract: A method for manufacturing a negative electrode material of a lithium battery is provided. The method includes: covering a metal material and a carbon material on a surface of a silicon material; performing a thermal process for reacting the metal material with the carbon material on the surface of the silicon material thereby forming a silicon composite material and at least one projection on the surface of the silicon material, wherein a free end of the projection is extended to form a head, the silicon composite material is used as the negative electrode material of the lithium battery, the silicon composite material comprises a composite layer forming on the surface of the silicon material, and the composite layer comprises a metal silicide, a metal oxide, a silicon carbide and a silicon oxide.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: September 3, 2019
    Assignee: AUO Crystal Corporation
    Inventors: Han-Tu Lin, An-Li He, Ying-Ying Su, Chan-Tien Chen, Rong-Ruey Jeng, Kun-Fung Lin
  • Patent number: 10374225
    Abstract: A non-aqueous electrolyte secondary battery includes: a negative electrode active material represented by the Formula (1)=? (Si material)+? (carbon material), wherein the Si material is one or more kinds selected from the group consisting of SiOx that is a mixture of amorphous SiO2 particles and Si particles and a Si-containing alloy; ? and ? represent % by mass of each component in the layer; and 80??+??98, 0.1???40, and 58???97.9 are satisfied, and a difference between the maximum value and the minimum value of an area proportion (%) of a binder in an area of the field of view of each image of cross-sections of the layer in a case where a plurality of arbitrary places is selected in a plane of the negative electrode active material layer is within 10%.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: August 6, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kensuke Yamamoto, Wataru Ogihara, Gentaro Kano, Hideaki Tanaka, Youichirou Kondou, Masaaki Suzuki, Tsuyoshi Tanabe, Takashi Nakano
  • Patent number: 10367192
    Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 30, 2019
    Assignee: StoreDot Ltd.
    Inventors: Doron Burshtain, Nir Kedem, Daniel Aronov
  • Patent number: 10355302
    Abstract: A microstructured substrate includes a plurality of at least one elementary microstructure. An electrical storage device, and more particularly an all-solid-state battery, can include the microstructured substrate.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: July 16, 2019
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE NANTES
    Inventors: Christophe Lethien, Pascal Tilmant, Etienne Eustache, Nathalie Rolland, Thierry Brousse
  • Patent number: 10329162
    Abstract: Provided are methods for preparing a nickel-cobalt-aluminum precursor material and a cathode material with a gradient distribution of aluminum element. The precursor material and the cathode material based on the precursor material prepared by the methods are of sphere or sphere-like shapes in which the distribution of the aluminum element is changed in a gradient manner, and the particle size distribution is uniform. The synthesized material has a high tap density, is not sensitive to ambient carbon dioxide and moisture, and has a good processability, a high specific capacity and a good stability property.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: June 25, 2019
    Assignee: Guangzhou Libode New Material Co., Ltd.
    Inventors: Ceng Wu, Chaopu Tan, Liang Yan, Dianhua Huang, Ruixiang Chen, Zheng Zhang, Changjie Yuan, Hongjun Luo
  • Patent number: 10326135
    Abstract: Battery systems using doped conversion materials as the active material in battery cathodes are provided herein. Doped conversion material may include a defect-rich structure or an amorphous or glassy structure, including at least one or more of a metal material, one or more oxidizing species, a reducing cation species, and a dopant. Methods for fabricating batteries and battery systems with doped conversion material are also provided herein.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: June 18, 2019
    Assignee: QuantumScape Corporation
    Inventors: Rainer J. Fasching, Ghyrn E. Loveness, Aram Yang, Arnold Allenic, Timothy Holme
  • Patent number: 10312506
    Abstract: A process for the preparation of carbon-coated lithium transition metal phosphate having the formula Li0.9+xMyMn1?yPO4 and its use as cathode material in secondary lithium-ion batteries wherein the process includes few synthesis steps which can be conducted easily, therefore providing a low cost process and results in a complete reaction of the starting material compounds or the mixtures thereof. At least one starting material compound is dispersed or dissolved in an essentially aqueous medium and heated to a temperature between 50° C. and 100° C. prior to addition of the remaining starting material compounds.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: June 4, 2019
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Nicolas Tran, Genovefa Wendrich
  • Patent number: 10312504
    Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: June 4, 2019
    Assignee: StoreDot Ltd.
    Inventors: Doron Burshtain, Nir Kedem, Daniel Aronov
  • Patent number: 10297360
    Abstract: A negative electrode active material includes a silicon-containing alloy having a composition represented by: SixSnyMzAa (A is unavoidable impurities, M is one or more transition metal elements, x, y, z, and a represent values of percent by mass, and 0<x<100, 0<y<100, 0<z<100, and 0?a<0.5 and x+y+z+a=100). The silicon-containing alloy has a lattice image subjected to Fourier transform processing to obtain a diffraction pattern and a size determined as an average value of maximum five major axis diameters of regions having a periodic array from a Fourier image obtained by subjecting a diffraction ring portion present in a width of from 0.7 to 1.0 when a distance between Si regular tetrahedrons is 1.0 in this diffraction pattern to inverse Fourier transform is 10 nm or less.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 21, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tomohiro Kaburagi, Manabu Watanabe, Nobutaka Chiba, Humihiro Miki, Makoto Tanimura
  • Patent number: 10283766
    Abstract: A negative electrode active material for a lithium secondary battery according to an exemplary embodiment of the present invention includes an alloy containing silicon (Si), titanium (Ti), and iron (Fe), wherein the degree of amorphization of the alloy is raised by 40% or more by further adding copper (Cu) to the alloy.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: May 7, 2019
    Assignee: ILJIN ELECTRIC CO., LTD.
    Inventors: Cheol Ho Park, Seon Kyong Kim, Seung Chul Lee, Young Pil Choi, Hyang Yeon Kim, Jae Woong Kim, Min Seok Sung