Patents Examined by Laura Weiner
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Patent number: 11955596Abstract: A solid electrolyte that includes a lithium ion conductive material having a garnet-type structure, a lithium ion conductive material having a LISICON-type structure, and a compound containing Li and B.Type: GrantFiled: December 4, 2019Date of Patent: April 9, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Ryohei Takano, Makoto Yoshioka, Akisuke Ito, Takeo Ishikura
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Patent number: 11955604Abstract: An electrolyte solution for a lithium secondary battery according to an embodiment of the present invention includes an organic solvent, a lithium salt, a compound represented by Chemical Formula 1, and a compound represented by Chemical Formula 2. A lithium secondary battery including the electrolyte solution and having improved low temperature and high temperature properties is provided.Type: GrantFiled: April 25, 2023Date of Patent: April 9, 2024Assignee: SK ON CO., LTD.Inventors: Ki Sung Park, Chanwoo Kim, Yu Na Shim, Sung Yon Oh
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Patent number: 11942601Abstract: A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), 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 the total amount of the nonaqueous electrolyte solution. (In formula (A), R1 to R3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.) (In formula (B), R4, R5 and R6 respectively and 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: GrantFiled: June 14, 2022Date of Patent: March 26, 2024Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
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Patent number: 11936002Abstract: An electrolyte composition containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one silyl ester phosphonate containing the structure of formula (I), wherein T is selected from (Ia) and (Ib); and (iv) optionally one or more additives.Type: GrantFiled: December 11, 2018Date of Patent: March 19, 2024Assignee: BASF SEInventors: Manuel Alejandro Mendez Agudelo, Johannes David Hoecker
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Patent number: 11929462Abstract: Described herein are compounds and compositions for electrolytes based on bidentate and monodentate fluorinated alcohols. Also described are batteries that include the compounds and electrolytes described herein.Type: GrantFiled: January 20, 2021Date of Patent: March 12, 2024Assignee: Utah State UniversityInventors: Tianbiao Liu, Jian Luo, Liping Zhang
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Patent number: 11901540Abstract: Provided herein is a composite anode active material including: a porous carbon structure; a first coating layer on the porous carbon structure and including a non-carbonaceous material capable of intercalating and deintercalating lithium; and a second coating layer on the first coating layer and including a carbonaceous material.Type: GrantFiled: March 17, 2021Date of Patent: February 13, 2024Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Jae Phil Cho, Yeong Uk Son, Ji Young Ma, Nam Hyung Kim
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Patent number: 11894515Abstract: Gel polymer electrolyte compositions including a cross-linked three-dimensional polymer network and an electrolyte composition comprising an electrolyte and water are disclosed. The gel polymer electrolyte compositions can be included in an aqueous electrochemical cell, in which a gel polymer electrolyte can be positioned between an anode and a cathode. Methods of forming a gel polymer electrolyte in the form of a film, and methods of forming an aqueous electrochemical cell including a gel polymer electrolyte, are also disclosed.Type: GrantFiled: April 27, 2020Date of Patent: February 6, 2024Assignee: The Johns Hopkins UniversityInventors: Konstantinos Gerasopoulos, Bing Tan, Spencer A. Langevin, Matthew W. Logan, Adam W. Freeman
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Patent number: 11876179Abstract: Electrolytes and electrolyte additives for energy storage devices comprising alkoxyethane 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 an alkoxyethane based compound.Type: GrantFiled: September 28, 2020Date of Patent: January 16, 2024Assignee: Enevate CorporationInventors: Younes Ansari, Liwen Ji, Benjamin Yong Park
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Patent number: 11876226Abstract: As anode having an anode material, a current collector, a graphene-based material, and the graphene-based material covers the anode material.Type: GrantFiled: January 22, 2021Date of Patent: January 16, 2024Assignee: Board Of Trustees Of The University Of ArkansasInventors: Xiangbo Meng, Jiyu Cai
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Patent number: 11870069Abstract: Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.Type: GrantFiled: November 1, 2018Date of Patent: January 9, 2024Assignee: Apple Inc.Inventors: Huiming Wu, Hongli Dai, Dapeng Wang, Christopher S. Johnson, John David Carter, Yanjie Cui, Arturo Gutierrez, Hakim H Iddir, Arthur Jeremy Kropf, Yan Li, Victor A. Maroni, Anh D. Vu, Xiaoping Wang, Zhenzhen Yang
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Patent number: 11870054Abstract: A solid-state battery cell includes a cathode, an anode comprising microspheres of lithium metal embedded in an ion and electron conducting oxide-based material, with individual microspheres having a first solid electrolyte interface, and a first solid electrolyte layer comprising a sulfide-based solid electrolyte, the first electrolyte layer positioned between the cathode and the anode. The solid-state battery can also include a second solid electrolyte layer comprising an oxide-based solid electrolyte between the first solid electrolyte layer and the anode, the second solid electrolyte layer having a lower conductivity than the first solid electrolyte layer, and a second solid electrolyte interface between the first solid electrolyte layer and the second solid electrolyte layer.Type: GrantFiled: June 30, 2020Date of Patent: January 9, 2024Assignee: Nissan North America, Inc.Inventor: Mohammed Hussain Abdul Jabbar
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Patent number: 11862797Abstract: A cathode includes a current collector, a first material layer and a second material layer. The first material layer includes a first material. The second material layer includes a second material. The second material includes at least one of the followings compounds: phosphate represented by a general formula M1PO4 and lithium titanium phosphate represented by a general formula Li3Ti2-x M2x(PO4)3, and the second material layer is disposed between the current collector and the first material layer. The cathode of the present application is provided with a double-layer structure including at least one of phosphate and lithium titanium phosphate to avoid direct contact between the current collector in the cathode and an anode material layer and optimize the stability of the first material layer, so that the cycle performance, electrochemical stability and safety performance of the electrochemical device are significantly improved.Type: GrantFiled: February 19, 2020Date of Patent: January 2, 2024Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Pengwei Chen, Meng Wang, Leimin Xu, Liang Wang
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Patent number: 11855290Abstract: Disclosed are a binder solution for an all-solid-state battery including a binder in the form of particles, and a method of manufacturing the same. The binder solution may include a rubber-based binder, a first solvent for dissolving the rubber-based binder, and a second solvent in which the rubber-based binder is insoluble and which is miscible with the first solvent.Type: GrantFiled: November 16, 2020Date of Patent: December 26, 2023Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Hanyang UniversityInventors: Sang Mo Kim, Ju Yeon Lee, Tae Young Kwon, Sung Hoo Jung, Yoon Seok Jung, Kyu Tae Kim, Dae Yang Oh
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Patent number: 11848423Abstract: The invention concerns a battery (1) comprising at least a first electrode (11) and a second electrode (12), placed at a suitable distance from each other, wherein said battery comprise an active material is between said electrodes (11, 12), said active material comprising: at least one oxygen-containing compound selected from the group consisting of MgO, ZnO, ZrOCl2, ZrO2, SiO2, Bi2O3, Al2O3, Fe3O4, Fe2O3 and TiO2; at least one salt selected from a chloride-containing salt and a sulphate-containing salt; at least one thickener additive selected from the group consisting of agar-agar, xanthan gum, methylcellulose, and gum arabic, and at least one plasticizer additive, wherein the particle size of the at least one oxygen-based compound has an average diameter in the range from 10 nm to 40 ?m.Type: GrantFiled: February 8, 2019Date of Patent: December 19, 2023Assignee: TERMO-IND S.A.Inventors: Luca Magagnin, Vincenzo Tirella, Alessandra Accogli, Gabriele Panzeri, Eugenio Gibertini, Luca Succa, Simone Brunetti
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Patent number: 11843105Abstract: A method to form a coated cathode material may generally include forming, via chemical vapor deposition, an interfacial layer coating on an exterior surface of a cathode active material, wherein the interfacial layer comprises an organic polymer; and wherein the interfacial layer is substantially uniform on and conformal to the exterior surface of the cathode active material. The polymer may include poly(3,4-ethylenedioxythiophene) (PEDOT). Methods of making and using the same are also described.Type: GrantFiled: May 29, 2020Date of Patent: December 12, 2023Assignee: CARNEGIE MELLON UNIVERSITYInventors: Laisuo Su, Baby Reeja-Jayan
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Patent number: 11817558Abstract: A salt of the formula: Mg[Al(R)4]2, where R represents a halogen-free compound selected from a deprotonated alcohol or thiol; or an amine; or a mixture thereof.Type: GrantFiled: September 7, 2018Date of Patent: November 14, 2023Assignee: Dyson Technology LimitedInventors: Evan Keyzer, Jeongjae Lee, Clare Grey, Dominic Wright
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Patent number: 11817587Abstract: 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: GrantFiled: October 18, 2022Date of Patent: November 14, 2023Inventor: George Clayton Hansen
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Patent number: 11811019Abstract: Provided is a lithium secondary battery, and the lithium secondary battery of the present invention includes: a positive electrode including a first lithium-metal oxide including secondary particles formed by aggregating primary particles having a particle diameter of 2 ?m or less and a second lithium-metal oxide including nickel and at least one or more metals selected from the group consisting of manganese (Mn) and cobalt (Co) and including particles having a primary particle diameter of 2 ?m or more; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt, a nonaqueous organic solvent, and a difluorophosphite compound containing at least one or more difluorophosphite groups.Type: GrantFiled: August 26, 2020Date of Patent: November 7, 2023Assignee: SK ON CO., LTD.Inventors: Young Hoon Do, Yoon Ji Lee, Yong Hyun Cho, In Haeng Cho
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Patent number: 11811051Abstract: An electrochemical cell has a cathode having a cathode current collector and a cathode active material, an anode having an anode current collector, lithium metal seed, and an anode cap on the lithium metal seed, a liquid electrolyte, a separator between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive. The anode cap and the polymer electrolyte lamination layer work together to produce densely plated lithium metal between the lithium metal seed and the anode cap with little or no external pressure.Type: GrantFiled: September 22, 2020Date of Patent: November 7, 2023Assignee: APPLE INC.Inventors: Alan A. Ritchie, Karl M. Brown, Lin Ma, Korhan Demirkan, Andrew Basile, Richard M. Mank, Bernd Jurgen Neudecker
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Patent number: 11804592Abstract: Cathode active materials that include a metal compound having the formula MaRb, where M is a metal, each R is independently selected so that MaRb is an inorganic or organometallic compound or complex, and a and b are independently positive nonzero real numbers; and a metal oxide having the formula MxOy, where M is the same metal in the metal compound, and x and y are independently positive nonzero real numbers; provided that the metal compound and the metal oxide are in contact. The cathodes can be economically incorporated into batteries that can provide high energy density.Type: GrantFiled: February 10, 2022Date of Patent: October 31, 2023Assignee: WATTRII, INC.Inventor: Jangwoo Kim