The Alkali Metal Is Lithium Patents (Class 429/231.95)
  • Patent number: 11916200
    Abstract: The disclosure herein relates to rechargeable batteries and solid electrolytes therefore which include lithium-stuffed garnet oxides, for example, in a thin film, pellet, or monolith format wherein the density of defects at a surface or surfaces of the solid electrolyte is less than the density of defects in the bulk. In certain disclosed embodiments, the solid-state anolyte, electrolyte, and catholyte thin films, separators, and monoliths consist essentially of an oxide that conducts Li+ ions. In some examples, the disclosure herein presents new and useful solid electrolytes for solid-state or partially solid-state batteries. In some examples, the disclosure presents new lithium-stuffed garnet solid electrolytes and rechargeable batteries which include these electrolytes as separators between a cathode and a lithium metal anode.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: February 27, 2024
    Inventors: David Cao, Cheng-Chieh Chao, Zhebo Chen, Lei Cheng, Niall Donnelly, Wes Hermann, Tim Holme, Tommy Huang, Kian Kerman, Yang Li, Harsh Maheshwari
  • Patent number: 11909036
    Abstract: The present invention relates to the field of anode materials of lithium batteries, and in particular, relates to a silicon/carbon composite material with a highly compact structure. The silicon/carbon composite material with the highly compact structure includes silicon particles and a carbon coating layer, and further includes a highly compact carbon matrix, wherein the silicon particles are distributed inside the highly compact carbon matrix evenly and dispersively and forms an inner core; and the silicon/carbon composite with the highly compact structure is compact inside without voids or has few closed voids inside. The present invention provides the silicon/carbon composite material with the highly compact structure with a reduced volumetric expansion effect and an improved cycle performance, a method for preparing the same, and a use thereof.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: February 20, 2024
    Assignee: Guangdong Kaijin New Energy Technology Co., Ltd.
    Inventors: Anhua Zheng, Dexin Yu, Yongjun Yang
  • Patent number: 11905593
    Abstract: The disclosure relates to a process for preparing particulate materials having high electrochemical capacities that are suitable for use as anode active materials in rechargeable metal-ion batteries. In one aspect, the disclosure provides a process for preparing a particulate material comprising a plurality of composite particles. The process includes providing particulate porous carbon frameworks comprising micro pores and/or mesopores, wherein the porous carbon frameworks have a D50 particle diameter of at least 20 ?m; depositing an electroactive material selected from silicon and alloys thereof into the micropores and/or mesopores of the porous carbon frameworks using a chemical vapour infiltration process in a fluidised bed reactor, to provide intermediate particles; and comminuting the intermediate particles to provide said composite particles.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 20, 2024
    Assignee: Nexeon Limited
    Inventors: Sefa Yilmaz, Charles A. Mason, Richard Gregory Taylor, David Bent
  • Patent number: 11909032
    Abstract: A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: February 20, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sukgi Hong, Byongyong Yu, Donghee Yeon, Byungjin Choi
  • Patent number: 11909001
    Abstract: An apparatus for manufacturing an all-solid-state battery includes: a mold unit which includes a first hole extending vertically so as to have a shape and a width identical with a shape and a width of the all-solid-state battery, and a second hole extending horizontally so as to horizontally communicate with the first hole; a first pressing unit which includes a first protrusion member corresponding to the first hole, which is coupled with an upper part of the mold unit, and which presses downwards raw materials of the all-solid-state battery filling the first hole, and a second pressing unit which includes a second protrusion member corresponding to the first hole, which is coupled with a lower part of the mold unit, and which presses upwards the raw materials of the all-solid-state battery filling the first hole.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: February 20, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Institute for Research & Industry Cooperation Pusan National University
    Inventors: Ju Yeong Seong, In Woo Song, Hong Seok Min, Yong Sub Yoon, Yun Sung Kim, Yong Jun Jang, Sung Woo Noh, In Chul Kim, A Reum Ha, Heon Cheol Shin, Yong Guk Gwon, Ji Ung Jeong, Seong Hyeok Ha
  • Patent number: 11905184
    Abstract: Provided are processes for the formation of electrochemically active materials such as lithiated transition metal oxides that solve prior issues with throughput and calcination. The processes include forming the materials in the presence of a processing additive that includes potassium prior to calcination that produces active materials with increased primary particle grain sizes.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 20, 2024
    Assignee: BASF Corporation
    Inventors: William C. Mays, Benjamin Reichman, Martin Lawrence Panchula
  • Patent number: 11901544
    Abstract: An ion conductor including: at least one oxide represented by Formulae 1 to 3 Li4±xM1?x?M?x?O4 ??Formula 1 wherein in Formula 1, 0?x?1 and 0?x??1 , M is a Group 4 element, M? is an element of Group 2, an element of Group 3, an element of Group 5, an element of Group 12, an element of Group 13, a vacancy, or a combination thereof, with the proviso that when M is Zr, then x?0, x??0 and M? is Be, Ca, Sr, Ba, Ra, Cd, Hg, Cn, Ga, In, TI, an element of Group 3, an element of Group 5, or a combination thereof; Li4?yM?O4?yA?y ??Formula 2 wherein in Formula 2, M? is a Group 4 element, A? includes at least one halogen, with the proviso that when M? is Zr, y?0, Li4+4zM??1?zO4 ??Formula 3 wherein in Formula 3, 0<z<1, and M?? is a Group 4 element.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangbok Ma, Donghwa Seo
  • Patent number: 11901548
    Abstract: A positive electrode active material, which has a high capacity and excellent charge and discharge cycle performance, for a lithium-ion secondary battery is provided. Alternatively, a positive electrode active material that inhibits a decrease in capacity in charge and discharge cycles when used in a lithium-ion secondary battery is provided. Alternatively, a high-capacity secondary battery is provided. Alternatively, a highly safe or reliable secondary battery is provided. The positive electrode active material contains a first substance including a first crack and a second substance positioned inside the first crack. The first substance contains one or more of cobalt, manganese, and nickel, lithium, oxygen, magnesium, and fluorine. The second substance contains phosphorus and oxygen.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: February 13, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kazuhito Machikawa, Yohei Momma, Teruaki Ochiai, Mayumi Mikami
  • Patent number: 11901551
    Abstract: An electrochemically active material includes silicon and a transition metal. At least 50 mole % of the transition metal is present in its elemental state, based on the total number of moles of transition metal elements present in the electrochemically active material. An electrochemically active material includes silicon and carbon. At least 50 mole % of the carbon is present in its elemental state, based on the total number of moles of carbon present in the electrochemically active material.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: February 13, 2024
    Assignee: SICONA BATTERY TECHNOLOGIES PTY LTD
    Inventors: Mark N. Obrovac, Leyi Zhao, Vincent J. L. Chevrier
  • Patent number: 11901504
    Abstract: This disclosure relates to a rechargeable battery cell comprising an active metal, at least one positive electrode having a discharge element, at least one negative electrode having a discharge element, a housing and an electrolyte, the negative electrode comprising metallic lithium at least in the charged state of the rechargeable battery cell and the electrolyte being based on SO2 and comprising at least one first conducting salt which has the formula (I), M being a metal selected from the group formed by alkali metals, alkaline earth metals, metals of group 12 of the periodic table of the elements, and aluminum; x being an integer from 1 to 3; the substituents R1, R2, R3 and R4 being selected independently of one another from the group formed by C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C6-C14 aryl and C5-C14 heteroaryl; and Z being aluminum or boron.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 13, 2024
    Assignee: Innolith Technology AG
    Inventors: Laurent Zinck, Claudia Wollfarth, Heide Biollaz
  • Patent number: 11894518
    Abstract: Electrolytes are described with additives that provide good shelf life with improved cycling stability properties. The electrolytes can provide appropriate high voltage stability for high capacity positive electrode active materials. The core electrolyte generally can comprise from about 1.1M to about 2.5M lithium electrolyte salt and a solvent that consists essentially of fluoroethylene carbonate and/or ethylene carbonate, dimethyl carbonate and optionally no more than about 40 volume percent methyl ethyl carbonate, and wherein the lithium electrolyte salt is selected from the group consisting of LiPF6, LiBF4 and combinations thereof. Desirable stabilizing additives include, for example, dimethyl methylphosphonate, thiophene or thiophene derivatives, and/or LiF with an anion complexing agent.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: February 6, 2024
    Inventors: Swapnil J. Dalavi, Shabab Amiruddin, Bing Li
  • Patent number: 11894561
    Abstract: Provided is a secondary battery comprising a cathode comprising a cathode current collector and a cathode mixture layer containing and a cathode active material, an anode comprising an anode current collector and coating layer, and a non-aqueous electrolyte containing a non-aqueous solvent and a lithium salt which has been dissolved in the non-aqueous solvent. A surface of the anode current collector is coated with the coating layer. The coating layer contains an alkaline earth metal fluoride. During charge, a lithium metal is deposited on the anode. During discharge, the lithium metal is dissolved in the non-aqueous electrolyte.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: February 6, 2024
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Hirotetsu Suzuki
  • Patent number: 11894550
    Abstract: An electrode comprising a space group Pna21 VOPO4 lattice, capable of electrochemical insertion and release of alkali metal ions, e.g., sodium ions. The VOPO4 lattice may be formed by solid phase synthesis of KVOPO4, milled with carbon particles to increase conductivity. A method of forming an electrode is provided, comprising milling a mixture of ammonium metavanadate, ammonium phosphate monobasic, and potassium carbonate; heating the milled mixture to a reaction temperature, and holding the reaction temperature until a solid phase synthesis of KVOPO4 occurs; milling the KVOPO4 together with conductive particles to form a conductive mixture of fine particles; and adding binder material to form a conductive cathode. A sodium ion battery is provided having a conductive NaVOPO4 cathode derived by replacement of potassium in KVOPO4, a sodium ion donor anode, and a sodium ion transport electrolyte. The VOPO4, preferably has a volume greater than 90 ?3 per VOPO4.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: February 6, 2024
    Assignee: The Research Foundation for The State University of New York
    Inventors: M. Stanley Whittingham, Jia Ding
  • Patent number: 11888147
    Abstract: A nonaqueous electrolyte secondary battery (10) in an example embodiment includes a positive electrode (11) having a lithium metal composite oxide, and a negative electrode (12) having graphite. The lithium metal composite oxide includes first composite oxide particles which are secondary particles formed by aggregation of primary particles having an average particle size of 50 nm to 5 ?m, and second composite oxide particles which are non-aggregated particles having an average particle size of 2 ?m to 20 ?m. The positive electrode (11) has lower initial charge/discharge efficiency than the initial charge/discharge efficiency of the negative electrode (12).
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: January 30, 2024
    Assignees: PANASONIC HOLDINGS CORPORATION, PANASONIC ENERGY CO., LTD.
    Inventors: Yukihiro Oki, Shun Nomura, Atsushi Ogata
  • Patent number: 11888153
    Abstract: A positive electrode active material, a positive electrode including the same, and a lithium secondary batter including the same are disclosed herein. In some embodiments, the positive electrode active material includes a lithium transition metal oxide, and a coating layer formed on a surface of the lithium transition metal oxide particle, wherein the coating layer is formed in a film form, and the coating layer includes a carbonized coating polymer and carbide.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: January 30, 2024
    Inventors: Dong Joon Ahn, Moon Kyu Cho, Sung Soon Park
  • Patent number: 11888154
    Abstract: A positive electrode sheet may comprise a positive electrode current collector and a positive electrode film layer having a single-layer structure or a multi-layer structure provided on at least one surface thereof; when the positive electrode film layer is of a single-layer structure, at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is of a multi-layer structure, at least one layer of the at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; the first positive electrode active material may comprises an inner core containing Li1+xMn1-yAyP1-zRzO4, a first coating layer containing pyrophosphate MP2O7 and phosphate XPO4 and covering the inner core, and a second coating layer containing carbon element and covering the first coating layer.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: January 30, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiang Zhou, Jiang Liu, Baiqing Li, Yao Jiang, Xiaomei Liu
  • Patent number: 11881581
    Abstract: The present disclosure relates to a method of making core-shell and yolk-shell nanoparticles, and to electrodes comprising the same. The core-shell and yolk-shell nanoparticles and electrodes comprising them are suitable for use in electrochemical cells, such as fluoride shuttle batteries. The shell may protect the metal core from oxidation, including in an electrochemical cell. In some embodiments, an electrochemically active structure includes a dimensionally changeable active material forming a particle that expands or contracts upon reaction with or release of fluoride ions. One or more particles are at least partially surrounded with a fluoride-conducting encapsulant and optionally one or more voids are formed between the active material and the encapsulant using sacrificial layers or selective etching. When the electrochemically active structures are used in secondary batteries, the presence of voids can accommodate dimensional changes of the active material.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: January 23, 2024
    Assignees: HONDA MOTOR CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Nam Hawn Chou, Kaoru Omichi, Ryan McKenney, Qingmin Xu, Christopher Brooks, Simon C. Jones, Isabelle M. Darolles, Hongjin Tan
  • Patent number: 11881559
    Abstract: An energy storage device comprising a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode comprises a self-supporting composite material film, a separator between the first electrode and the second electrode, and an electrolyte in contact with the first electrode, the second electrode, and the separator, wherein the electrolyte comprises at least one of a fluorine-containing cyclic carbonate, a fluorine-containing linear carbonate, and a fluoroether. The composite material film having greater than 0% and less than about 90% by weight of silicon particles, and greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases can be a substantially continuous phase that holds the composite material film together such that the silicon particles are distributed throughout the composite material film.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: January 23, 2024
    Assignee: Enevate Corporation
    Inventors: Heidi Leighette Anderson, Benjamin Yong Park, Hong Gan, Sung Won Choi
  • Patent number: 11876231
    Abstract: Lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same are provided. In one implementation, an anode electrode is provided. The anode electrode comprises a first diffusion barrier layer formed on a copper foil. The first diffusion barrier layer comprises titanium (Ti), molybdenum (Mo), tungsten (W), zirconium (Zr), hafnium (H), niobium (Nb), tantalum (Ta), or combinations thereof. The anode electrode further comprises a wetting layer formed on the first diffusion barrier layer. The wetting layer is selected from silicon (Si), tin (Sn), aluminum (Al), germanium (Ge), antimony (Sb), lead (Pb), bismuth (Bi), gallium (Ga), indium (In), zinc (Zn), cadmium (Cd), magnesium (Mg), oxides thereof, nitrides thereof, or combinations thereof. The anode electrode further comprises a lithium metal layer formed on the wetting layer.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 16, 2024
    Assignee: Applied Materials, Inc.
    Inventor: Dmitri A. Brevnov
  • Patent number: 11876225
    Abstract: A solid-state ion conductor including a compound of Formula 1: Li1+(4?a)yAayM1?yXO5??Formula 1 wherein, in Formula 1, A is an element of Groups 1 to 3 or 11 to 13, or a combination thereof, wherein an oxidation state a of A is 1?a?3, M is an element having an oxidation state of +4 of Groups 4 or 14, or a combination thereof, X is an element having an oxidation state of +5 of Groups 5, 15, 17, or a combination thereof, and 0<y?1.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: January 16, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, LAWRENCE BERKELEY NATIONAL LABORATORY
    Inventors: KyuJung Jun, Gerbrand Ceder, Yan Wang, Lincoln Miara, Yan Zeng, Yihan Xiao
  • Patent number: 11870061
    Abstract: A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 9, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sukgi Hong, Byongyong Yu, Donghee Yeon, Byungjin Choi
  • Patent number: 11870070
    Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), and a glassy coating layer formed on surfaces of particles of the lithium composite transition metal oxide, wherein, in the lithium composite transition metal oxide, an amount of the nickel (Ni) in a total amount of transition metals is 60 mol % or more, and an amount of the manganese (Mn) is greater than an amount of the cobalt (Co), and the glassy coating layer includes a glassy compound represented by Formula 1. LiaM1bOc??[Formula 1] wherein, M1 is at least one selected from the group consisting of boron (B), aluminum (Al), silicon (Si), titanium (Ti), and phosphorus (P), and 1?a?4, 1?b?8, and 1?c?20.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: January 9, 2024
    Inventors: So Ra Baek, Min Suk Kang, Sang Wook Lee, Wang Mo Jung, Dong Hun Lee, Hye Lim Jeon, Eun Sol Lho
  • Patent number: 11870076
    Abstract: A water-based binder for a non-aqueous electrolyte secondary battery. A binder for a non-aqueous electrolyte secondary battery electrode, includes a crosslinked polymer having a carboxyl group or a salt thereof, and the crosslinked polymer includes a structural unit derived from an ethylenically unsaturated carboxylic acid monomer; and a structural unit derived from a macromonomer including at least one compositional monomer selected from compounds represented by following formula (1): [C1] H2C?CR1—X??formula (1) wherein in formula (1), R1 represents a hydrogen or a methyl group; X represents C(?O)OR2 or CN; and R2 represents a straight chain or branched C1-C8 alkyl group or a C3-C8 alkyl group having an alicyclic structure.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: January 9, 2024
    Assignees: TOAGOSEI CO., LTD., PANASONIC ENERGY CO., LTD.
    Inventors: Naohiko Saito, Takashi Hasegawa, Atsushi Nishiwaki, Hideo Matsuzaki, Nobuhiro Sakitani, Sho Urata, Takaharu Morikawa
  • Patent number: 11870035
    Abstract: A non-aqueous electrolyte secondary cell provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode has a positive electrode active material that contains composite oxide particles which include Ni, Co, Li, and at least one of Mn and Al, and in which the proportion of Ni in relation to the total number of moles of metal elements excluding Li is at least 80 mol %. In the composite oxide particles, the ratio (B/A) of the post-particle-compression-test BET specific surface area (B) with respect to the pre-particle-compression-test BET specific surface area (A) is 1.0-3.0. The non-aqueous electrolyte contains a non-aqueous solvent and a cyclic carboxylic anhydride such as diglycolic anhydride.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 9, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomoki Tsuji, Yuanlong Zhong
  • Patent number: 11866346
    Abstract: A composite oxide powder including a composition formula (1), wherein the ratio ?/? of a surface area value ? (m2/g) calculated by a BET one-point method to a surface area value ? (m2/g) calculated from a formula (2) is greater than 1.0 and equal to or less than 1.5 and the surface area value ? is equal to or less than 20 m2/g. ABO3-? (1) (wherein A is one or more types of elements (La, Sr, Sm, Ca and Ba), B is one or more types of elements (Fe, Co, Ni and Mn) and 0??<1); and surface area value ? (m2/g)=specific surface area value ?-surface area value ?(2) (the specific surface area value ? (m2/g) is a value in a total pore size range measured by a mercury intrusion method. The specific surface area value ? (m2/g) is a value in a range of pore sizes that are larger than a 50% cumulative particle size.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: January 9, 2024
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Kazumasa Ikari, Shintaro Ogawa, Toshihiko Ueyama
  • Patent number: 11862770
    Abstract: An enhanced solid state battery cell is disclosed. The battery cell can include a first electrode, a second electrode, and a solid state electrolyte layer interposed between the first electrode and the second electrode. The battery cell can further include a resistive layer interposed between the first electrode and the second electrode. The resistive layer can be electrically conductive in order to regulate an internal current flow within the battery cell. The internal current flow can result from an internal short circuit formed between the first electrode and the second electrode. The internal short circuit can be formed from the solid state electrolyte layer being penetrated by metal dendrites formed at the first electrode and/or the second electrode.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: January 2, 2024
    Assignee: American Lithium Energy Corporation
    Inventor: Jiang Fan
  • Patent number: 11859304
    Abstract: The present disclosure generally relates to a method for electroplating (or electrodeposition) a transition metal oxide composition that may be used in gas sensors, biological cell sensors, supercapacitors, catalysts for fuel cells and metal air batteries, nano and optoelectronic devices, filtration devices, structural components, and energy storage devices. The method includes electrodepositing the electrochemically active transition metal oxide composition onto a working electrode in an electrodeposition bath containing a molten salt electrolyte and a transition metal ion source. The electrode structure can be used for various applications such as electrochemical energy storage devices including high power and high-energy primary or secondary batteries.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: January 2, 2024
    Assignee: Xerion Advanced Battery Corp.
    Inventors: Mehmet Nurullah Ates, John David Busbee, Chadd Timothy Kiggins, John Berkeley Cook
  • Patent number: 11851733
    Abstract: The manufacturing method of a porous silicon material of the present disclosure includes a particle forming step of melting a raw material containing Al as a first element in an amount of 50% by mass or more and Si in an amount of 50% by mass or less to obtain a silicon alloy, a pore forming step of removing the first element from the silicon alloy to obtain a porous material, and a heat treatment step of heating the porous material to diffuse elements other than Si to a surface of the porous material.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: December 26, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Kawaura, Yasuhito Kondo, Ryo Suzuki, Hiroshi Nozaki, Jun Yoshida, Tetsuya Waseda, Mitsutoshi Otaki
  • Patent number: 11855262
    Abstract: An electronic device includes a cell, a circuit board, and a cell protection unit. The circuit board is provided in the electronic device and configured to control the electronic device. The circuit board is electrically coupled to the cell, and the cell protection unit is provided on the circuit board. The cell protection unit is integrated with the circuit board, so as to facilitate heat dissipation of the cell, prolong the service life of the cell, speed up the production cycle of the cell, and reduce the production cost of the cell.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: December 26, 2023
    Assignee: DONGGUAN NVT TECHNOLOGY LIMITED
    Inventors: Liming Wang, Nini Chen, Guanghui Chen, Xuefeng Liu
  • Patent number: 11855275
    Abstract: A method for preparing a cathode based on an aqueous slurry is provided. The cathode slurry with improved stability in water comprises a cathode active material, especially a nickel-containing cathode active material. Treatment of nickel-containing cathode active materials with lithium compounds may improve stability of the cathode by preventing undesirable decomposition of the material. In addition, battery cells comprising the cathode prepared by the method disclosed herein exhibit impressive electrochemical performances.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: December 26, 2023
    Assignee: GRST International Limited
    Inventors: Kam Piu Ho, Yingkai Jiang
  • Patent number: 11848422
    Abstract: An electrochemical including an electrode assembly. The electrode assembly includes a negative electrode plate, a positive electrode plate, and a separator. The negative electrode plate includes a negative current collector. The negative current collector includes a first part and a second part. A first negative active material layer is disposed on one side of the first part. A second negative active material layer and a third negative active material layer are disposed on two sides of the second part respectively. The positive electrode plate includes a positive current collector. The positive current collector includes a third part and a fourth part. A first positive active material layer is disposed on the third part. A second positive active material layer is disposed on the fourth part.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: December 19, 2023
    Assignee: Dongguan Poweramp Technology Limited
    Inventors: Huixin Wang, Bingmei Feng, Chunhua Bian, Ying Wang
  • Patent number: 11848448
    Abstract: A lithium secondary battery, and more particularly, to a lithium secondary battery having improved performance by minimizing the content of impurities such as sodium in the battery.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: December 19, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Taek Gyoung Kim, Seung Yoon Yang, Eunji Jang, Doo Kyung Yang
  • Patent number: 11848413
    Abstract: Provided herein are various battery cell embodiments. A battery cell can have a solid electrolyte. The electrolyte can be arranged within the cavity. The battery cell can have a cathode disposed within the cavity along a first side of the electrolyte. The battery cell can have a functional layer disposed within the cavity along a second side of the electrolyte. A first side of the functional layer can be in contact with a second side of the electrolyte. The functional layer can form an alloy with lithium material received via the electrolyte. The battery cell can have a scaffold layer disposed within the cavity along a second side of the functional layer.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: December 19, 2023
    Assignee: Terawatt Technology Inc.
    Inventors: Ken Ogata, Hiroshi Imoto
  • Patent number: 11848443
    Abstract: To provide a positive electrode active material of a lithium ion battery which has a large discharge capacity, excellent cycle characteristics, and suppressed gas generation. Resolution Means: A lithium metal composite oxide powder for use in a positive electrode active material for a lithium ion battery, the powder thereof having a composition of LiaNibCocAldO2 (wherein, a=0.8 to 1.2, b=0.7 to 0.95, c=0.02 to 0.2, d=0.005 to 0.1, and b+c+d=1) treated with an aqueous solution of an organic metal salt and soluble aluminum salt, and not causing volume expansion due to gas generation.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: December 19, 2023
    Assignee: Umicore
    Inventors: Takashi Shinpuku, Hiroshi Tani, Ralph Otterstedt, Keiichiro Kanao
  • Patent number: 11848442
    Abstract: A lithium secondary battery includes a cathode formed of a cathode active material including a lithium metal oxide particle having a concentration gradient, and a coating formed on the lithium metal oxide particle, the coating including aluminum, titanium and zirconium, an anode, and a separator interposed between the cathode and the anode. The cathode active material includes 2,000 ppm to 4,000 ppm of aluminum, 4,000 ppm to 9,000 ppm of titanium and 400 ppm to 700 ppm of zirconium, based on the total weight of the cathode active material. The performance of the secondary battery may be maintained under a high temperature condition.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: December 19, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Kyung Bin Yoo, Duck Chul Hwang
  • Patent number: 11840487
    Abstract: The disclosure provides seals for devices that operate at elevated temperatures and have reactive metal vapors, such as lithium, sodium or magnesium. In some examples, such devices include energy storage devices that may be used within an electrical power grid or as part of a standalone system. The energy storage devices may be charged from an electricity production source for later discharge, such as when there is a demand for electrical energy consumption.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: December 12, 2023
    Assignee: AMBRI, INC.
    Inventors: David J. Bradwell, Brian Neltner, Vimal Pujari, Michael J. McNeley, Greg A. Thompson, Chia-Ying Lee, David S. Deak, Hari P. Nayar
  • Patent number: 11843107
    Abstract: A lithium battery includes: a positive electrode having a positive active material; a negative electrode including lithium metal; and a solid electrolyte disposed therebetween. The solid electrolyte contains at least one oxide represented by Li4±xM1?x?M?x?O4 (Formula 1), Li4?yM?O4-yA?y (Formula 2), or Li4+4zM??1?zO4 (Formula 3), wherein and 0?x23 1 and 0?x??1, M is a Group 4 element, and M? is an element of Group 2, 3, 5, 12, or 13, a vacancy, or a combination thereof, with the proviso that when M is Zr, then x?0, x??0 and M? is Be, Ca, Sr, Ba, Ra, Cd, Hg, Cn, Ga, In, TI, an element of Group 3 or 5, or a combination thereof; 0?y?1, M? is a Group 4 element, and A? includes at least one halogen, with the proviso that when M? is Zr, then y?0; and 0<z<1, and M?? is a Group 4 element.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangbok Ma, Donghwa Seo
  • Patent number: 11843113
    Abstract: Provided is a positive electrode active material which suppresses a reduction in capacity due to charge and discharge cycles when used in a lithium ion secondary battery. A covering layer is formed by segregation on a superficial portion of the positive electrode active material. The positive electrode active material includes a first region and a second region. The first region exists in an inner portion of the positive electrode active material. The second region exists in a superficial portion of the positive electrode active material and part of the inner portion thereof. The first region includes lithium, a transition metal, and oxygen. The second region includes magnesium, fluorine, and oxygen.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: December 12, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Kawakami, Teruaki Ochiai, Yohei Momma, Ayae Tsuruta, Masahiro Takahashi, Mayumi Mikami
  • Patent number: 11843104
    Abstract: A method for manufacturing a negative electrode for a lithium secondary battery including a patterned lithium metal that homogenizes the electron distribution in the lithium electrode and prevents the growth of the lithium dendrites when driving the lithium secondary battery.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: December 12, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ohbyong Chae, Yoonah Kang, Junhyuk Song, Eun Kyung Kim, Sangwook Woo
  • Patent number: 11837730
    Abstract: A secondary battery electrode is provided that may achieve a non-aqueous electrolyte secondary battery having a high energy output density with a small amount of a conductive aid. The secondary battery electrode has a mixture layer containing graphene and a secondary battery active substance. The secondary battery electrode has a mean aspect ratio of 2.0 or greater in an electric conductive material portion from a cross section of the secondary battery electrode, as specified by the method described below.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: December 5, 2023
    Assignee: Toray Industries, Inc.
    Inventors: Takashi Konishi, Eiichiro Tamaki
  • Patent number: 11837729
    Abstract: Provided is a composite particulate for use in a lithium battery cathode, the composite particulate comprising one or a plurality of particles of a cathode active material encapsulated by or embedded in an electrically and/or ionically conducting polymer gel network, wherein the cathode active material is selected from the group of lithium nickel cobalt metal oxides having a general formula LixNiyCozMwO2, where M is selected from the group consisting of aluminum (Al), titanium (Ti), tungsten (W), chromium (Cr), molybdenum (Mo), magnesium (Mg), beryllium (Be), calcium (Ca), tantalum (Ta), silicon (Si), and combinations thereof and x ranges from 0 to 1.2, the sum of y+z+w ranges from 0.8 to 1.2, w ranges from 0 to 0.5, y and z are both greater than zero, and the ratio z/y ranges from 0 to 0.5.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 5, 2023
    Assignee: Global Graphene Group, Inc.
    Inventors: Mingrui Liu, Hao-Hsun Chang, Bor Z. Jang
  • Patent number: 11837699
    Abstract: Provided is an all-solid lithium battery including: a low-angle oriented positive electrode plate that is a lithium complex oxide sintered plate having a porosity of 10 to 50%; a negative electrode plate containing Ti and capable of intercalating and deintercalating lithium ions at 0.4 V or higher (vs. Li/Li+); and a solid electrolyte having a melting point lower than the melting point or pyrolytic temperature of the oriented positive electrode plate or the negative electrode plate, wherein at least 30% of pores in the oriented positive electrode plate is filled with the solid electrolyte in an observation of a cross-section perpendicular to a main face of the oriented positive electrode plate.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: December 5, 2023
    Assignee: NGK INSULATORS, LTD.
    Inventors: Yukinobu Yura, Yukihisa Takeuchi, Yosuke Sato, Toshihiro Yoshida, Yuji Katsuda
  • Patent number: 11834341
    Abstract: Provided are processes for the formation of electrochemically active materials such as lithiated transition metal oxides that solve prior issues with throughput and calcination. The processes include forming precursor materials into agglomerates prior to calcination. The use of the agglomerates improves gas flow into and out of the materials thereby improving calcination results, electrochemical properties of the resulting materials, and allows for use of high temperature kilns not previously suitable for such materials thereby lowering production costs.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: December 5, 2023
    Assignee: BASF Corporation
    Inventors: William C. Mays, Diana Wong, Xue Liu, Benjamin Reichman, Martin L. Panchula, Gary A. Yacobian
  • Patent number: 11837713
    Abstract: A preparation method of a cathode material for a secondary battery is provided. First, a lithium metal phosphate material and a first conductive carbon are provided. The lithium metal phosphate material is made of a plurality of secondary particles. Each of the secondary particles is formed by the aggregation of a plurality of primary particles. An interparticle space is formed between the plurality of primary particles. Next, the lithium metal phosphate material and the first conductive carbon are mixed by a mechanical method, and a composite material is prepared. The first conductive carbon is uniformly arranged in the interparticle space. After that, a second conductive carbon, a binder and a solvent are provided. Finally, the composite material, the second conductive carbon, the binder and the solvent are mixed, and a cathode material for preparing a positive plate is prepared.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: December 5, 2023
    Assignee: ADVANCED LITHIUM ELECTROCHEMISTRY CO., LTD.
    Inventors: Chen-Yi Huang, Han-Wei Hsieh, Yuan-Kai Lin, Chueh-Han Wang
  • Patent number: 11830982
    Abstract: To provide an electrolyte for a storage device capable of lowering the electric resistance and maintaining a high capacity even after charging and discharging are repeatedly carried out, and a storage device.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: November 28, 2023
    Assignee: TOMIYAMA PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Tailu Ning, Kazuyuki Shimizu, Hiroo Nitta
  • Patent number: 11830977
    Abstract: A hybrid solid-state electrolyte is disclosed. The hybrid solid-state electrolyte includes an inorganic ion-conducting membrane. The hybrid solid-state electrolyte further includes a first layer of an organic liquid solution surrounding a surface of the inorganic ion-conducting membrane. The hybrid solid-state electrolyte further includes a second layer of an ion-conducting polymer surrounding the first layer of the organic liquid solution.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 28, 2023
    Assignee: International Business Machines Corporation
    Inventors: Amaresh Samuthira Pandian, Phillip Medina, Young-Hye Na
  • Patent number: 11831008
    Abstract: A non-aqueous electrolyte secondary battery includes at least a negative electrode including a negative electrode mixture, a positive electrode, and an electrolytic solution including an electrolyte and a solvent. The negative electrode mixture includes a negative electrode active material powder, the negative electrode active material powder includes a carbon-based material and a silicon-based material, a mixing ratio of the carbon-based material to the silicon-based material (carbon-based material (mass %)/silicon-based material (mass %)) is 90 mass %/10 mass % to 0 mass %/100 mass %.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: November 28, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Toshikazu Nakamura
  • Patent number: 11824199
    Abstract: A rechargeable metal halide battery shows increased metal halide utilization with the introduction of electronegative heteroatom-enriched conductive additives into a metal halide cathode incorporated into an electrically conductive material. The electronegative heteroatom-enriched conductive additives include nitrogen-doped carbon, such as nitrogen-doped single layer graphene, and oxygen-enriched carbon, such as acid-treated carbon black. The modified batteries utilize 20-30% more metal halide than unmodified batteries resulting in enhanced specific capacity and energy density.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: November 21, 2023
    Assignees: International Business Machines Corporation, Daimler AG
    Inventors: Jangwoo Kim, Anthony Fong, Tobias Glossmann, Young-hye Na, Maxwell Giammona, Eunseok Lee
  • Patent number: 11824186
    Abstract: In a method of making a negative electrode for an electrochemical cell of a secondary lithium battery, a precursor mixture is prepared that includes electrochemically active Li—Si alloy particles, electrically conductive carbon particles, and an inert polymer binder dissolved in a nonpolar organic solvent.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: November 21, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Bradley R. Frieberg, Nicole Ellison, Xiaosong Huang, Zhongyi Liu
  • Patent number: 11824228
    Abstract: Batteries including electrochemical cells, associated components, and arrangements thereof are generally described. In some aspects, batteries with housings that undergo relatively little expansion and contraction even in cases where electrochemical cells in the battery undergo a relatively high degree of expansion and contraction during charging and discharging are provided. Batteries configured to apply relatively high magnitudes and uniform force to electrochemical cells in the battery, while in some cases having high energy densities and a relatively low pack burden, are also provided. In certain aspects, arrangements of electrochemical cells and associated components are generally described. In some aspects, thermally conductive solid articles that can be used for aligning components of the battery are described. In some aspects, thermally insulating and compressible components for battery packs are generally described.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: November 21, 2023
    Assignee: Sion Power Corporation
    Inventors: Homa Shayan, Jared M. Jennings, Mark Niedzwiecki, Daniel G. Milobar, Ryan Michael Niccum