Patents Examined by Laura Weiner
  • Patent number: 11563210
    Abstract: Disclosed herein are a sulfide-based all-solid-state battery and a method of manufacturing the same, wherein the sulfide-based all-solid-state battery includes a positive electrode active material coated with a lithium niobate precursor, which is manufactured by a polyol process having low production cost, such that it improves safety and increases capacity of the sulfide-based all-solid-state battery.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: January 24, 2023
    Assignees: The Regents of the University of California
    Inventors: Chi Ho Jo, Wang Mo Jung, Hye Seung Chung, Hyuk In Moon, Ying Shirley Meng
  • Patent number: 11545661
    Abstract: A high-capacity and long-life negative electrode hydrogen storage material of La—Mg—Ni type for secondary rechargeable nickel-metal hydride battery and a method for preparing the same are provided in the present invention. A chemical formula of the negative electrode hydrogen storage material of La—Mg—Ni type is La1-x-yRexMgy(Ni1-a-bAlaMb)z, wherein Re is at least one of Ce, Pr, Nd, Sm, Y, and M is at least one of Ti, Cr, Mo, Nb, Ga, V, Si, Zn, Sn; 0?x?0.10, 0.3?y?0.5, 0<a?0.05, 0?b?0.02, 2.3?z<3.0. The negative electrode hydrogen storage material of La—Mg—Ni type in the present invention has excellent charge-discharge capacity and cycle life. The negative electrode hydrogen storage material of La—Mg—Ni type can be applied in both common secondary rechargeable nickel-metal hydride battery and secondary rechargeable nickel-metal hydride battery with ultra-low self-discharge and long-term storage performance.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: January 3, 2023
    Assignees: JIANGSU JITRI ADVANCED ENERGY, MATERIALS RESEARCH INSTITUTE CO., LTD.
    Inventors: Jianmin Wu, Shaoxiong Zhou
  • Patent number: 11539036
    Abstract: Provided is a battery including a positive electrode including a first positive electrode layer and a second positive electrode layer; a negative electrode; and an electrolyte layer. The first positive electrode layer includes a first positive electrode active material, a first solid electrolyte material, and a coating material. The second positive electrode layer includes a second positive electrode active material and the first solid electrolyte material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium; and at least one kind selected from the group consisting of chlorine and bromine. The first solid electrolyte material does not include sulfur.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: December 27, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Izuru Sasaki, Akihiro Sakai, Yuta Sugimoto, Akinobu Miyazaki
  • Patent number: 11527756
    Abstract: The electrical resistance of active cathodic and anodic films may be significantly reduced by the addition of small fractions of conductive additives within a battery system. The decrease in resistance in the cathode and/or anode leads to easier electron transport through the battery, resulting in increases in power, capacity and rates while decreasing joules heating losses.
    Type: Grant
    Filed: June 6, 2021
    Date of Patent: December 13, 2022
    Inventor: George Clayton Hansen
  • Patent number: 11522223
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising phosphazene based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a phosphazene based compound.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 6, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Patent number: 11515572
    Abstract: The disclosure relates to a molecular crowding type electrolyte that comprises at least one type of water-miscible/soluble polymer which acts as molecular crowding agent, a salt and a water. The disclosure also relates to a battery comprising the molecular crowding type electrolyte, and a method of using the molecular crowding electrolyte in electrochemical system such as battery that comprises an anode, a cathode and the molecular crowding type electrolyte.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: November 29, 2022
    Assignee: The Chinese University of Hong Kong
    Inventors: Yi-Chun Lu, Jing Xie
  • Patent number: 11502291
    Abstract: A cathode active material for a lithium secondary battery includes a lithium metal oxide particle, and an organic poly-phosphate or an organic poly-phosphonate formed on at least portion of a surface of the lithium metal oxide particle. Chemical stability of the lithium metal oxide particle may be improved and surface residues may be reduced by the organic poly-phosphate or the organic poly-phosphonate.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 15, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Sang Bok Kim, Jik Soo Kim, Hyo Shin Kwak, Myoung Lae Kim
  • Patent number: 11489203
    Abstract: An electrolyte for a lithium secondary battery, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte includes a lithium salt having a concentration of 1.6 M to 5 M, an oligomer including a unit represented by Formula A, and an organic solvent including a cyclic carbonate-based compound and an acetate-based compound, wherein the cyclic carbonate-based compound is present in an amount of 6 vol % to 19 vol % based on the total volume of the organic solvent.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: November 1, 2022
    Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chui Haeng Lee, Min Jung Kim, Gwang Yeon Kim
  • Patent number: 11482727
    Abstract: Provided is a composition for a non-aqueous secondary battery porous membrane capable of forming a porous membrane having excellent peel strength and capable of providing a non-aqueous secondary battery having excellent output characteristics. The composition for a non-aqueous secondary battery porous membrane contains inorganic particles, a binder, a surfactant, and water. The binder includes a polymer including an aromatic vinyl monomer unit. Fractional content of the surfactant is not less than 0.25 parts by mass and not more than 5 parts by mass per 100 parts by mass of the inorganic particles.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: October 25, 2022
    Assignee: ZEON CORPORATION
    Inventor: Junichi Asano
  • Patent number: 11469418
    Abstract: The present application provides a negative electrode sheet and a battery. The negative electrode sheet includes a negative current collector and a negative electrode film provided on at least one surface of the negative current collector and including a negative active material, and the negative electrode film satisfies: 4?P×[(30?Dv50)/2+2×(10?M)]?20. P represents a porosity of the negative electrode film; Dv50 represents a volume median particle diameter of the negative active material, and a unit is ?m; M represents a capacity per unit area of a negative electrode film, and a unit is mAh/cm2. The negative electrode sheet of the present application has the characteristics of excellent dynamics performance, and the battery of the present application also has the characteristics of excellent dynamics performance, long cycle life and high energy density at the same time.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: October 11, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Jiazheng Wang, Meng Kang, Yuliang Shen, Libing He
  • Patent number: 11462736
    Abstract: A compound represented by LiaCo(1-x-2y)Mex(M1M2)yO?, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0?x?0.3, 0<y?0.4, 0.95???1.4, and 1.90???2.10 is disclosed. Further, particles including such compounds are described.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: October 4, 2022
    Assignee: Apple Inc.
    Inventors: Hongli Dai, Dapeng Wang, Huiming Wu, Fiona Claire Strobridge, John David Carter, Christopher S. Johnson, Xiaoping Wang, Hakim H. Iddir, Arthur Jeremy Kropf, Yan Li, Victor A. Maroni, Anh D. Vu, Zhenzhen Yang, Arturo Gutierrez, Yanjie Cui
  • Patent number: 11462769
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising benzoyl peroxide based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a benzoyl peroxide based compound.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 4, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park
  • Patent number: 11462765
    Abstract: In an embodiment, a metal-organic framework electrolyte layer, can comprise a plurality of metal-organic frameworks having a porous structure and comprising a solvated salt absorbed in the porous structure; and a polymer. The MOF electrolyte layer can have at least one of a density of less than or equal to 0.3 g/cm3 or a Brunauer-Emmett-Teller surface area of 500 to 4,000 m2/g. A lithium metal battery can comprise the metal-organic framework electrolyte layer.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 4, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Fang Dai, Anne M. Dailly, Mei Cai
  • Patent number: 11456457
    Abstract: Systems and methods for aromatic macrocyclic compounds (Phthalocyanines) as cathode additives for inhibition of transition metal dissolution and stable solid electrolyte interphase formation may include an anode, an electrolyte, and a cathode, where the cathode comprises an active material and a phthalocyanine additive, the additive being coordinated with different metal cationic center and functional groups. The active material may comprise one or more of: nickel cobalt aluminum oxide, nickel cobalt manganese oxide, lithium iron phosphate, lithium cobalt oxide, and lithium manganese oxide, Ni-rich layered oxides LiNi1?xMxO2 where M=Co, Mn, or Al, Li-rich xLi2MnO3(1?x)LiNiaCobMncO2, Li-rich layered oxides LiNi1+xM1?O2 where M=Co, Mn, or Ni, and spinel oxides LiNi0.5Mn1.5O4.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 27, 2022
    Assignee: Enevate Corporation
    Inventors: Sanjaya D. Perera, Liwen Ji, Jeremy Chang, Benjamin Park
  • Patent number: 11444325
    Abstract: One aspect of the present invention provides an electrolytic solution comprising a compound represented by the following formula (1), wherein a content of the compound is 10% by mass or less based on the total amount of the electrolytic solution, wherein R1 to R3 each independently represent an alkyl group or a fluorine atom, R4 represents an alkylene group, and R5 represents an organic group containing a nitrogen atom.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: September 13, 2022
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Kaoru Konno, Kumpei Yamada, Ryuichiro Fukuta
  • Patent number: 11437614
    Abstract: An energy storage device is provided that includes a pre-lithiated silicon based anode and a carbon nanotube based cathode. The pre-lithiated silicon anode has a porous region and a non-porous region. The full cell energy storage device has high electrochemical performance which exhibits greater 200 rechargeable cycles with less than 25% after 10 charge discharge cycles relative to the first discharge cycle, a maximum specific discharge capacity greater than 300 mAh/g and a specific capacity of greater than 100 mAh/g for over 130 cycles. Such an energy storage device is scalable for a wide array of applications due to its wafer level processing and silicon-based substrate integrability.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: September 6, 2022
    Assignee: International Business Machines Corporation
    Inventors: John Collins, Ali Afzali-Ardakani, Joel P. de Souza, Devendra K. Sadana
  • Patent number: 11424484
    Abstract: An electrolyte additive is provided. The additive is a quaternary ammonium or phosphonium salt effective to suppress hydrogen evolution and metal dendrite formation during operation of a zinc electrochemical cell such as a zinc-air battery. A zinc battery cell is also provided, which contains an effective amount of the electrolyte additive.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 23, 2022
    Assignee: Octet Scientific, Inc.
    Inventor: Onas Bolton
  • Patent number: 11424482
    Abstract: Disclosed herein is a nonaqueous electrolyte solution containing an electrolyte and a nonaqueous solvent, the nonaqueous electrolyte solution including a compound represented by formula (A) and: (1) at least one compound selected from a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the formula (B) below, or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on a total amount of the nonaqueous electrolyte solution. In formula (A), R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and in formula (B), R4, R5 and R6 independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 23, 2022
    Assignees: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
  • Patent number: 11404696
    Abstract: A green secondary electrode includes a conductive substrate, active material and material additives in direct contact with the conductive substrate, and a combination of vinyl acetate-ethylene and methylcellulose-based additive binding the conductive substrate, active materials, and material additives together. The green secondary electrode may be a positive electrode or a negative electrode.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: August 2, 2022
    Assignee: ZAF ENERGY SYSTEMS, INCORPORATED
    Inventors: Hannah S. Smith, Melissa D. McIntyre, Adam Weisenstein, Andrew F. Souder, II
  • Patent number: 11404717
    Abstract: Systems and methods which provide lithium-ion battery configurations with high energy density are disclosed. Embodiments provide lithium-ion batteries comprising an anode that includes 30 to 85 wt. % silicon, thereby facilitating high energy density and high N:P ratio for the lithium-ion batteries. The high N:P ratio further enables fast charging and low temperature charging capabilities of the lithium-ion batteries.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: August 2, 2022
    Assignee: Techtronic Cordless GP
    Inventors: Denis Gaston Fauteux, Aditya Subramanian