Patents Examined by Jacob B Marks
  • Patent number: 11367866
    Abstract: Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: June 21, 2022
    Assignees: LG ENERGY SOLUTION, LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dongwook Lee, Changshin Jo, Jinwoo Lee, Kwonnam Sohn, Doo Kyung Yang, Won-Gwang Lim
  • Patent number: 11367884
    Abstract: A hydrogen supply system comprises a hydrogen station placed near a railroad track and configured to supply hydrogen to a moving body that is driven with a fuel cell used as an electric power source; and a train provided with a hydrogen tank and configured to run along the railroad track and transport hydrogen to the hydrogen station.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: June 21, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigeki Takaiwa, Masahiro Yamakawa, Hideshi Mizutani, Kenji Umayahara, Takao Ozawa, Shigeyuki Suzuki
  • Patent number: 11362326
    Abstract: An embodiment of the present invention provides a method for preparing a silicon-carbon-graphene composite, comprising the steps of: (step 1) adding a carbon precursor solution to silicon and performing wet grinding so as to prepare a suspension: (step 2) forming a silicon-carbon composite by spray drying the suspension; and (step 3) spray drying and heat treating a solution comprising the silicon-carbon composite and graphene oxide.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: June 14, 2022
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Hee-Dong Jang, Han-Kwon Chang, Dae-Sup Kil, Ji-Hyuk Choi, Sun-Kyung Kim
  • Patent number: 11362340
    Abstract: The invention relates to a multi-component catalyst material for use in a fuel cell or electrolysis system, in particular in a regenerative fuel cell or reversible electrolyser. According to the invention, the catalyst material comprises a doped manganese oxide, a NiFe intercalation compound and a conductive carrier material, wherein the doped manganese oxide and the NiFe intercalation compound are supported on the carrier material.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: June 14, 2022
    Assignee: TECHNISCHE UNIVERSITÄT BERLIN
    Inventors: Sören Dresp, Malte Klingenhof, Peter Strasser
  • Patent number: 11352704
    Abstract: A method can include incorporating graphene oxide (GO) in a solution, reducing the graphene oxide (GO) by refluxing carbon nitride (C3N4) in the solution to form carbon-nitride refluxed-graphene-oxide (C3N4-rGO) composites, and incorporating ruthenium ions into the C3N4-rGO composites to form C3N4-rGO-Ru complexes.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: June 7, 2022
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Shaowei Chen, Yi Peng, Bingzhang Lu
  • Patent number: 11355780
    Abstract: A sulfide solid electrolyte particles comprising lithium, phosphorus and sulfur, having a volume-based average particle size measured by laser diffraction particle size distribution measurement of 0.1 ?m to 10 ?m, having a diffraction peak having 2? of 29.0 to 31.0 deg in powder X-ray diffraction measurement using CuK? ray, and an intensity ratio (Ib/Ip) of a peak intensity Ib at a high angle-side low part of the diffraction peak to a peak intensity Ip of the diffraction peak is less than 0.09.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: June 7, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Toshiaki Tsuno, Kota Terai, Hironari Kimpara, Atsushi Sato
  • Patent number: 11352261
    Abstract: The present disclosure relates to a graphene-nanoflower shaped MXene composite material, preparation method and application thereof, which belongs to the field of negative electrode materials for supercapacitors. In the present disclosure, a space-time shaping femtosecond laser is utilized to process MXene target in graphene oxide nanoflake dispersion, so as to synthesize a graphene-nanoflower shaped MXene composite material in one-step. This nanoflower shaped MXene has adjustable size and morphology and an extremely large specific surface area; when it is used in an electrode material for supercapacitors, the supercapacitor exhibits an extremely high specific capacitance and good cycle stability. This method utilizes a space-time shaping femtosecond laser to synthesize the graphene-nanoflower shaped MXene composite material, which is highly controllable, and can be used to uniformly prepare the material in large-scale. It has provided a new way for synthesis of materials.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: June 7, 2022
    Assignee: BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Lan Jiang, Yongjiu Yuan, Xin Li
  • Patent number: 11346014
    Abstract: The present invention relates to an electrolytic copper foil current collector where the surface properties are controlled to achieve a high adhesiveness to a negative electrode material. An electrolytic copper foil has a first surface and the second surface, the electrolytic copper foil comprising a first protective layer on the first surface side, a second protective layer on the second surface side, and a copper film between the first and second protective layers, wherein the coupling coefficient at the first surface or second surface of the electrolytic copper foil is 1.5 to 9.4 as represented by coupling coefficient=Rp/?m+ peak density/30+ amount of Cr adhesion/(mg/m2) (here, peak density is measured according to ASME standard B46.1). The electrolytic copper foil has a high adhesiveness to a negative electrode material and a low electrical resistance can be provided by controlling the surface properties of the electrolytic copper foil surface.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: May 31, 2022
    Assignee: SK NEXILIS CO., LTD.
    Inventors: Seung Min Kim, Ho Gun Kim
  • Patent number: 11342623
    Abstract: Disclosed is a battery pack, which includes a plurality of battery modules, each having at least one battery cell, and a battery tray to which the plurality of battery modules are mounted. The plurality of battery modules are coupled to each other by sliding and make surface contact with each other on at least one side surface thereof.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: May 24, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Hak Kong, Dong-Yeon Kim, Yong-Seok Choi
  • Patent number: 11335911
    Abstract: This disclosure provides an electrode having a carbon-based structure with a plurality of localized reaction sites. An open porous scaffold is defined by the carbon-based structure and can confine an active material in the localized reaction sites. A plurality of engineered failure points is formed throughout the carbon-based structure and can expand in a presence of volumetric expansion associated with polysulfide shuttle. The open porous scaffold can inhibit a formation of interconnecting solid networks of the active material between the localized reaction sites. The plurality of engineered failure points can relax or collapse during an initial activation of the electrode. The open porous scaffold can define a hierarchical porous compliant cellular architecture formed of a plurality of interconnected graphene platelets fused together at substantially orthogonal angles.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 17, 2022
    Assignee: LytEn, Inc.
    Inventors: Bruce Lanning, Michael W. Stowell, Bryce H. Anzelmo, George Clayton Gibbs, Shreeyukta Singh, Hossein-Ali Ghezelbash, Prashanth Jampani Hanumantha, Daniel Cook, David Tanner
  • Patent number: 11329314
    Abstract: Disclosed are a sulfide-based solid electrolyte imparted with improved lithium ion conductivity and a method of preparing the same. More particularly, disclosed is a sulfide-based solid electrolyte containing a lithium element (Li), a phosphorus element (P), a sulfur element (S) and a halogen element (X), and including a crystal phase of an argyrodite crystal structure, wherein a molar ratio (X/P) of the halogen element (X) to the phosphorus element (P) is higher than 1.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: May 10, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyoung chul Kim, Byung Kook Kim, Hun Gi Jung, Kyung Yoon Chung, Jong Ho Lee, Hae Weon Lee, Ji Won Son, Eu Deum Jung, Ji Su Kim, Sung Jun Choi
  • Patent number: 11322774
    Abstract: The present application provides an electrode, an electrochemical device, and an electronic device. The electrode includes: a current collector; a first active material layer including a first active material; and a second active material layer including a second active material; wherein the first active material layer is arranged between the current collector and the second active material layer. The first active material layer is formed on a surface of the current collector, and a particle size of 90% accumulative volume of the first active material is less than 40 ?m. The active material layer is used in the present application to ensure that the electrochemical device and the electronic device do not generate a short circuit when pressed by an external force, thereby ensuring the mechanical safety performance of the electrochemical device and the electronic device.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 3, 2022
    Assignee: Ningde Amperex Technology Limited
    Inventors: Chaowang Lin, Fan Yang, YiSong Su, Huawei Zhong, Changming Qu, Xiaozhen Zhang
  • Patent number: 11322804
    Abstract: Articles containing electrodes and current collectors arranged such that at least one electrode can be electronically isolated from other components of the article and/or an electrochemical device, and associated systems and methods, are provided. In some cases, the articles contain substrates for which a change in volume of the substrate causes at least one electrode to become electronically isolated from other components of the article and/or an electrochemical device. In certain cases, heating the substrate causes the change in volume of the substrate.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: May 3, 2022
    Assignee: Sion Power Corporation
    Inventors: Michael G. Laramie, Daniel G. Milobar, Yuriy V. Mikhaylik, Chariclea Scordilis-Kelley
  • Patent number: 11309596
    Abstract: Systems and methods for identifying thermal run-away events in a battery pack can include using infrared sensors to measure infrared radiation emitted by and reflected by subsets of the battery cells arrayed in a battery pack. Each infrared sensor can generate temperature data based on the received infrared radiation, which includes reflected infrared radiation for several and potentially many individual battery cells aligned in rows or columns within the battery pack. Each infrared sensor can sense the beginning of a thermal run-away event by sensing when an individual battery cell in the array has a temperature exceeding a threshold, and can generate a signal indicative of a thermal run-away event based on the detected excessive temperature.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 19, 2022
    Assignee: Amazon Technologies, Inc.
    Inventor: William Mische
  • Patent number: 11296330
    Abstract: A battery including: a casing having a cylindrical portion, an end portion configured for covering an opening disposed in an end of the cylindrical portion, and an inner surface defining a chamber in which an electrolyte is disposed therein; a conductive surface located within the chamber adjacent the inner surface of the casing, the conductive surface being configured for electrical communication with an anode terminal of the battery; a permeable separator sheet located within the casing configured for electrically isolating the electrolyte from the conductive surface; a conductive rod having a first end configured for electrical communication with a cathode terminal of the battery, and, a second end of the conductive rod configured for electrical communication with the electrolyte; wherein the end portion and the cylindrical portion are movably attached to each other, the end portion and cylindrical portion being movable relative to each other between at least a first attached position whereby the end porti
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: April 5, 2022
    Assignee: Battery Research Technology Limited
    Inventor: Niels Bakker
  • Patent number: 11276881
    Abstract: It is an object of the invention to provide sulfide solid electrolytes having good processability at the time of manufacturing a battery and high ionic conductivity. The present invention relates to a sulfide solid electrolyte containing lithium, phosphorus and sulfur, having a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuK? rays, and the half-value width of at least one peak obtained by separating the peaks observed in a range of 60 to 120 ppm in solid-state 31P-NMR measurements is 500 to 800 Hz.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: March 15, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kota Terai, Atsushi Sato, Futoshi Utsuno
  • Patent number: 11276854
    Abstract: A lithium anode for a lithium cell and/or lithium battery comprises: a current conductor layer, an anode active material and a coating, wherein the current conductor layer is embodied in the manner of a lattice with a conductor structure that defines open voids, the anode active material is arranged in the cavities between the conductor structure, and the coating covers the current conductor layer and the anode active material. The invention also relates to a method for manufacturing such a lithium anode.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: March 15, 2022
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Dominik Weber, Andreas Lemke, Sylke Schilde, Wolfgang Zipprich
  • Patent number: 11267939
    Abstract: Described herein are double-strand chain compositions suitable for use in the preparation of proton conductive membranes. The double-strand chains comprise a plurality of constitutional units joined to each other through two atoms on one side of the constitutional unit and two atoms on the other side of the constitutional unit. Constitutional units comprise a dibenzo-crown ether macrocycle fused with a bicyclic aliphatic linker. Polymers, membranes, and fuel cells comprising the double-strand chain are also described herein.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: March 8, 2022
    Assignees: Northwestern University, King Abdulaziz City for Science and Technology (KACST)
    Inventors: James Fraser Stoddart, Hasmukh A. Patel
  • Patent number: 11261101
    Abstract: The present invention discloses a method for preparing a vanadium battery electrolyte by using a waste vanadium catalyst. The method includes step A: soaking a waste vanadium catalyst in an oxalic acid solution for 2-8 h, to generate a solution containing vanadyl oxalate; step B: cleaning the waste vanadium catalyst, and collecting the vanadyl oxalate solution; and step C: adding a polyacid ester into the vanadyl oxalate solution; and after full reaction, removing impurities by filtration, and concentrating the filtrate to obtain a vanadyl oxalate mother solution. The method for preparing a vanadium battery electrolyte by using a waste vanadium catalyst according to the present invention does not generate wastes which cause environmental pollution in the treatment process, and can make a solution in the waste vanadium catalyst treatment process generate the electrolyte for preparing a vanadium battery. The process is simple and the treatment cost is low.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: March 1, 2022
    Assignee: Hunan Sanfeng Vanadium Industry Co., Ltd.
    Inventors: Xiaodi Xu, Xingjiang Tian
  • Patent number: 11264665
    Abstract: Battery housings and batteries are presented for accommodating swelling of an electrode assembly. In one aspect, a battery includes an electrode assembly that includes a cathode and an anode. The battery also includes a receptacle that includes at least one feedthrough disposed through one or more sides of the receptacle. A lid is sealed to the receptacle. The receptacle, the at least one feedthrough, and the lid form a sealed volume in which the electrode assembly and an electrolyte are disposed. The lid is configured to displace from a first position to a second position in response to a swelling of the electrode assembly within the sealed volume. The receptacle is configured to strain less than the lid during the swelling of the electrode assembly. The second position of the lid may correspond to an expanded volume of the electrode assembly that is 15% greater than an initial volume.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: March 1, 2022
    Assignee: Apple Inc.
    Inventors: Qingcheng Zeng, Donald G. Dafoe, Kenzo Nagai