Patents Examined by Anca Eoff
  • Manganese oxide composition and method for preparing manganese oxide composition
    Patent number: 11456455
    Abstract: The present application relates to a method comprising: (a) providing a battery comprising a manganese oxide composition as a primary active material; and (b) cycling the battery by: (i) galvanostatically discharging the battery to a first Vcell; (ii) galvanostatically charging the battery to a second Vcell; and (iii) potentiostatically charging at the second Vcell for a first defined period of time. The present application also relates to a chemical composition produced by the method above. The present application also relates to a battery comprising one or more chemical species, the one or more chemical species produced by cycling an activated composition.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: September 27, 2022
    Assignee: Octopus Technologies Inc.
    Inventors: David P. Wilkinson, Arman Bonakdarpour, Ivan Stosevski
  • Lithium metal secondary battery having improved safety and battery module including the same
    Patent number: 11450894
    Abstract: A lithium metal secondary battery including: an electrode assembly including a positive electrode, a lithium metal negative electrode, a separator interposed between the positive electrode and the lithium metal negative electrode, a protective layer interposed between the lithium metal negative electrode and the separator; and a non-aqueous electrolyte injected to the electrode assembly, wherein the protective layer includes a polymer having a sulfur chain group. A battery module including the lithium metal secondary battery is also disclosed.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: September 20, 2022
    Assignees: LG ENERGY SOLUTION, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong-Keon Yoon, Kyung-Hwa Woo, Hyun-Jun Choi, Hye-Jin Lee, Hoe-Jin Hah, Hee-Tak Kim, Young-Il Roh, Hyun-Soo Jin
  • Solid-state polymer electrolyte with improved processability and method for manufacturing the same
    Patent number: 11444322
    Abstract: The present disclosure relates to a solid-state polymer electrolyte with improved processability and a method for manufacturing the same, and more particularly to a solid electrolyte containing a polymer obtained by pertaining polymerization of a zwitterionic monomer in a solvent-free ionic liquid.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: September 13, 2022
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jung Hyun Lee, Jung Joon Yoo, Jeong Gu Yeo
  • Secondary battery and electronic device
    Patent number: 11444311
    Abstract: A secondary battery suitable for a portable information terminal or a wearable device is provided. An electronic device having a novel structure which can have various forms and a secondary battery that fits the forms of the electronic device are provided. In the secondary battery, scaling is performed using a film provided with depressions or projections that ease stress on the film due to application of external force. A pattern of depressions or projections is formed on the film by pressing, e.g., embossing.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: September 13, 2022
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Minoru Takahashi, Ryota Tajima
  • Laser induced graphene materials and their use in electronic devices
    Patent number: 11437620
    Abstract: In some embodiments, the present disclosure pertains to methods of producing a graphene material by exposing a polymer to a laser source. In some embodiments, the exposing results in formation of a graphene from the polymer. In some embodiments, the methods of the present disclosure also include a step of separating the formed graphene from the polymer to form an isolated graphene. In some embodiments, the methods of the present disclosure also include a step of incorporating the graphene material or the isolated graphene into an electronic device, such as an energy storage device. In some embodiments, the graphene is utilized as at least one of an electrode, current collector or additive in the electronic device. Additional embodiments of the present disclosure pertain to the graphene materials, isolated graphenes, and electronic devices that are formed by the methods of the present disclosure.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: September 6, 2022
    Assignee: William Marsh Rice University
    Inventors: James M. Tour, Jian Lin, Zhiwei Peng, Wilbur Carter Kittrell
  • Lithium-ion battery
    Patent number: 11437685
    Abstract: Provided herein is a lithium-ion battery comprising an electrode assembly, wherein the electrode assembly comprises at least one cathode, at least one anode, and a separator interposed between the at least one cathode and the at least one anode; and wherein the separator comprises a porous base material and a porous polymer layer coated on a surface of the porous base material and adjacent to the at least one cathode. The lithium-ion battery comprising the separator disclosed herein prevents thermal runaway during overcharge, thereby ensuring the safety of lithium-ion battery.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 6, 2022
    Assignee: GRST International Limited
    Inventor: Kam Piu Ho
  • Metal-doped cathode active material for sodium secondary battery, method for manufacturing the same, and sodium secondary battery comprising the same
    Patent number: 11437617
    Abstract: Other Metals are uniformly doped in a sodium transition metal oxide particle to obtain a cathode active material. As a result, it is possible to improve the battery performance by improving the physical properties of the material itself and stabilizing the structure during the charge/discharge process as well as electrochemical properties.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: September 6, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Yang Kook Sun, Jang Yeon Hwang
  • Lithium metal secondary battery having improved life characteristics
    Patent number: 11437626
    Abstract: A lithium metal secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a protective layer interposed between the negative electrode and the separator. The protective layer includes an additive, wherein the additive comprises a mixture of hexagonal boron nitride (BN) flakes with an ionomer having a sulfur (S)-containing anionic group and fluorine (F).
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: September 6, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Keon Yoon, Sol-Ji Park, Hyun-Woong Yun, Kyoung-Ho Ahn, Hoe-Jin Hah
  • Arrangement for lithium-ion battery thermal events prediction, prevention, and control
    Patent number: 11431040
    Abstract: A battery having a thermal protection arrangement is disclosed which includes a housing, a first electrode, a second electrode, a polymer porous separator positioned between the first electrode and the second electrode, an electrolyte interspersed between the first electrode, the second electrode, and the polymer porous separator, at least one sensor holder having an electrode side and a housing side, with at least one cavity provided on the electrode side, the at least one sensor holder in firm contact with the first electrode or the second electrode, and at least one temperature sensor placed in the at least one cavity of the at least one sensor holder, the at least one cavity sized such that the outer surface of the temperature sensor being flush with remaining surface of the at least one sensor holder, and wherein the at least one temperature sensor has no contact with the polymer porous separator.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: August 30, 2022
    Assignee: Purdue Research Foundation
    Inventors: Vikas Tomar, Bing Li, Vilas G. Pol, Ryan Andrew Adams, Mihit Hitendra Parekh
  • Radiation-sensitive resin composition, resist pattern-forming method, compound, and method of controlling acid diffusion
    Patent number: 11429024
    Abstract: The radiation-sensitive resin composition contains: a polymer having a structural unit that includes an acid-labile group; and a compound represented by formula (1). In the formula (1), Ar1 represents a group obtained by removing (m+n+2) hydrogen atoms from an aromatic ring of an arene having 6 to 30 carbon atoms; —OH and —COO— are bonded at ortho positions to each other on a same benzene ring on Ar1; and RG represents a group represented by formula (V-1), a group represented by formula (V-2), a group including a lactone structure, a group including a cyclic carbonate structure, a group including a sultone structure, a group including a ketonic carbonyl group, a group including a thiocarbonate group, or a group including a group represented by formula (V-3), or the like.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: August 30, 2022
    Assignee: JSR CORPORATION
    Inventors: Ryuichi Nemoto, Tsuyoshi Furukawa
  • Vibration-damped battery, battery container, and battery pack for use downhole
    Patent number: 11424505
    Abstract: A battery, a battery container, and a battery pack, for use downhole in MWD operations, one or more of which incorporates lateral vibration damping. In a preferred embodiment each comprise specialized lateral vibration damping in the form of a plurality of longitudinally-extending resiliently-deformable ridges extending substantially a length of each and circumferentially spaced about an outer periphery. The resiliently-deformable ridges on the battery may be integrally formed and extend radially outwardly from a hollow resiliently-deformable sleeve, and formed of the same resiliently-deformable material of which the sleeve is comprised. The resiliently-deformable ridges on the battery container may extend radially inwardly or outwardly from a periphery thereof. Advantageously, the battery container can thus be free of potting material and thus be reusable when the batteries thereof need be replaced.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: August 23, 2022
    Assignee: CHARGER INDUSTRIES CANADA LIMITED PARTNERSHIP
    Inventors: Quentin Pare, Carl Brown
  • Negative electrode active material for lithium secondary battery, method for preparing the same and lithium secondary battery obtained by using the same
    Patent number: 11424440
    Abstract: Provided is a negative electrode active material including secondary particles assembled from silicon composite primary particles represented by Mg—SiOx (0<x<2) and artificial graphite primary particles, wherein the secondary particles assembled from silicon composite primary particles and artificial graphite primary particles are surface-coated with an amorphous carbon coating layer. The lithium secondary battery using the negative electrode active material can retain conductivity even after charge/discharge and can be prevented from degradation of cycle characteristics.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 23, 2022
    Assignee: LG Energy Solution, Ltd.
    Inventors: Sun-Young Shin, Yong-Ju Lee, Je-Young Kim
  • Fuel cell system and method of operating a fuel cell system
    Patent number: 11417898
    Abstract: A fuel cell system that includes a fuel cell module having first and second electrical supply terminals with an electrical output voltage applied thereto during operation of the fuel cell module. The electrical supply terminals are coupled to an electrical load, an air supply device that supplies air in an adjustable air quantity to the fuel cell module as one of the reactants for generating the output voltage, and a control device that controls an output power of the fuel cell module at the electrical supply terminals and adjusts the quantity of air supplied by the air supply device. The control device detects a load demand of the load and controls the output power of the fuel cell module in accordance with the detected load demand, to adjust and update the air quantity supplied by the air supply device in accordance with the detected load demand in air-ratio-controlled manner.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: August 16, 2022
    Assignee: PROTON MOTOR FUEL CELL GMBH
    Inventor: Mathias Reum
  • Self-heating battery
    Patent number: 11411261
    Abstract: Lithium-based and sodium-based batteries and capacitors using metal foil current collectors, coated with porous layers of particles of active electrode materials for producing an electric current, may adapted to produce heat for enhancing output when the cells are required to periodically operate during low ambient temperatures. A self-heating cell may be placed in heat transfer contact with a working cell that is temporarily in a cold environment. Or one or both of the anode current collector and cathode current collectors of a heating cell may be formed with shaped extended portions, uncoated with electrode materials, through which cell current may be passed for resistance heating of the extended current collector areas. These extended current collector areas may be used to heat the working area of the cell in which they are incorporated, or to contact and heat an adjacent working cell.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: August 9, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Zhiqiang Yu, Haijing Liu, Xiaochao Que, Dave G. Rich, Saad Hasan, Meiyuan Wu
  • Negative electrode for secondary battery, secondary battery, battery pack, electric vehicle, electric power storage system, electric tool, and electronic device
    Patent number: 11404722
    Abstract: A secondary battery includes a positive electrode, a negative electrode including a first negative electrode active material, a second negative electrode active material, and a normal temperature molten salt composition, and an electrolytic solution. The first negative electrode active material includes a first material including carbon, and the second negative electrode active material includes a second material including silicon.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 2, 2022
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Yosuke Koike
  • Graphene-carbon hybrid foam-protected anode active material coating for lithium-ion batteries
    Patent number: 11394028
    Abstract: Provided is a porous anode material structure for a lithium-ion battery, the structure comprising (A) an integral 3D graphene-carbon hybrid foam comprising multiple pores, having a pore volume Vp, and pore walls; and (B) coating of an anode active material, having a coating volume Vc, coated on surfaces of the pore walls; wherein pore walls contain single-layer or few-layer graphene sheets chemically bonded by a carbon material having a carbon material-to-graphene weight ratio from 1/200 to 1/2, and wherein the volume ratio Vp/Vc is from 0.1/1.0 to 10/1.0.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: July 19, 2022
    Assignee: Global Graphene Group, Inc.
    Inventor: Bor Z. Jang
  • Negative electrode additive for a lithium ion secondary battery and a negative electrode slurry containing the same
    Patent number: 11394047
    Abstract: The present disclosure provides a negative electrode additive for a lithium ion secondary battery and a negative electrode slurry containing the same. The negative electrode additive for a lithium ion secondary battery contains one of a lignin-based substance or a humic acid-based substance or a combination thereof. By means of the negative electrode additive for a lithium ion secondary battery and the negative electrode slurry for a lithium ion secondary battery containing the same of the present disclosure, effects of improving electrical performance of a lithium ion secondary battery at normal temperature and at a low temperature, and improving peel strength of the lithium ion secondary battery are achieved.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: July 19, 2022
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yan Zhou, Li Wang, Yuli Li, Huayu Sun
  • Multilayer separator and device using the same
    Patent number: 11387522
    Abstract: The present application relates to a multilayer separator and a device using the same. Specifically, the present application provides a multilayer separator comprising at least one first porous substrate and at least one second porous substrate, wherein the peeling strength between the first porous substrate and the second porous substrate is in a range of 2 N/m to 50 N/m, and the first porous substrate has an obturator temperature of lower than 135° C. The multilayer separator provided by the present application can effectively guarantee the safety and electrochemical performance of the electrochemical device.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: July 12, 2022
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventor: DongYang Guo
  • Salt, acid generator, resist composition and method for producing resist pattern
    Patent number: 11378883
    Abstract: A salt represented by formula (I): In formula (I), R1, R2, R3 and R4 each independently represent a halogen atom or a perfluoroalkyl group having 1 to 6 carbon atoms, R5, R6 and R7 each independently represent a halogen atom, a hydroxy group, a fluorinated alkyl group having 1 to 6 carbon atoms or an alkyl group having 1 to 12 carbon atoms, and —CH2— included in the alkyl group may be replaced by —O— or —CO—, m5 represents an integer of 0 to 3, m6 represents an integer of 0 to 3, m7 represents an integer of 0 to 3, R8 and R9 each independently represent a hydrogen atom or an alkyl group having 1 to 12 carbon atoms, and —CH2— included in the alkyl group may be replaced by —O— or —CO—, and Al? represents an organic anion.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: July 5, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako Anryu, Koji Ichikawa
  • Cation energy storage device and methods
    Patent number: 11374211
    Abstract: An energy storage composition can be used as a new Na-ion battery cathode material. The energy storage composition with an alluaudite phase of AxTy(PO4)z, NaxTy(PO4)z, Na1.702Fe3(PO4)3 and Na0.872Fe3(PO4)3, is described including the hydrothermal synthesis, crystal structure, and electrochemical properties. After ball milling and carbon coating, the compositions described herein demonstrate a reversible capacity, such as about 140.7 mAh/g. In addition these compositions exhibit good cycling performance (93% of the initial capacity is retained after 50 cycles) and excellent rate capability. These alluaudite compounds represent a new cathode material for large-scale battery applications that are earth-abundant and sustainable.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: June 28, 2022
    Assignee: BROWN UNIVERSITY
    Inventors: G. Tayhas R. Palmore, Dan Liu