Patents Examined by Stephen J Yanchuk
  • Patent number: 11031615
    Abstract: A method of operating a fuel cell stack is described. The fuel cell stack includes a cathode, an anode, a sump configured for collecting water from the anode, and a temporarily disabled drain valve that is otherwise configured to transition from a first position to a second position and thereby modulate water drained from the sump. The method includes increasing a first pressure in the anode via a controller. The method also includes, concurrent to increasing, decreasing a second pressure in the cathode via the controller and, concurrent to decreasing, maintaining a relative humidity of less than a threshold relative humidity in the cathode via the controller.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: June 8, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Manish Sinha, Xiaofeng Wang, Chad Dubois, Sergio E. Garcia
  • Patent number: 11031602
    Abstract: An example electric vehicle battery current communication device includes a terminal landing and a transition from the terminal landing having an area that is both bent and tapered. The transition can bend toward an interior of a battery cell such that a portion of the transition is closer to the interior than each portion of the terminal landing. The terminal landing can attach to a bus bar. The terminal landing can also weld to a bus bar. The transition can extend from the terminal landing to a current collector extending into an interior of the battery cell.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: June 8, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Brian Utley, Debbi Callicoat, Keith Kearney
  • Patent number: 11031607
    Abstract: A method for producing power from a thermal battery having a piezoelectric generator. The method including: initiating the thermal battery when the thermal battery experiences a predetermined acceleration event; generating power from the piezoelectric generator when the thermal battery experiences the predetermined acceleration event for at least an initial period after the predetermined acceleration event; and generating power from the thermal battery after the initial period.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: June 8, 2021
    Inventor: Jahangir S Rastegar
  • Patent number: 11018336
    Abstract: Provided is graphene-embraced particulate for use as a lithium-ion battery anode active material, wherein the particulate comprises primary particle(s) of an anode active material and multiple sheets of a first graphene material overlapped together to embrace or encapsulate the primary particle(s) and wherein a single or a plurality of graphene-encapsulated primary particles, along with an optional conductive additive, are further embraced or encapsulated by multiple sheets of a second graphene material, wherein the first graphene and/or the second graphene material is attached to a redox partner species (e.g. sulfonyl group, —NH2, etc.) capable of reversibly forming a redox pair with lithium. The invention also provides an anode electrode and a battery comprising multiple graphene-embraced particulates having redox forming species bonded thereto.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: May 25, 2021
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 11011799
    Abstract: A battery pack is disclosed. The battery pack includes one or more battery assemblies and a circuit board connected to the battery assemblies. The battery assembly includes first and second battery cells having the predetermined surfaces overlaid on each other. The first and second battery cells each have battery elements accommodated in a container thereof, and cathode terminals and anode terminals are provided at a same height as the predetermined surfaces at a same side. The cathode terminal and anode terminal of the first battery cell are adjacent respectively to the cathode terminal and anode terminal of the second battery cell.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: May 18, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Tsutomu Aoyama, Hiromasa Iguchi, Hiroyuki Yamada, Takanori Takei
  • Patent number: 11005141
    Abstract: The present disclosure relates to a separator for an electrochemical device and an electrode assembly comprising the same. More particularly, the present disclosure relates to a separator with improved interfacial adhesion with electrode and an electrode assembly comprising the same. The adhesion layer according to the present disclosure includes a first layer contacting a surface of the separator and a second layer formed on a surface of the first layer and contacting with an electrode, the first layer includes a polymer resin with a fluorine-containing monomer, and the second layer includes a polymer resin having a lower dissolution rate in an electrolyte solution for an electrochemical device than the polymer resin included in the first layer.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: May 11, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Hyun-Kyung Shin, Dong-Wook Sung
  • Patent number: 10991994
    Abstract: Provided are temperature monitoring apparatus and method for a battery pack. The temperature monitoring apparatus includes a plurality of slave battery management systems (BMSs) including a first slave BMS and a second slave BMS; and a master BMS connected to the plurality of slave BMSs to communicate with them. The master BMS sets a next wake-up time of the second slave BMS based on first temperature data indicating a temperature of a first battery module from among a plurality of battery modules and transmitted from the first slave BMS.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: April 27, 2021
    Inventors: Su-Ho Cho, Chi-Ho Moon, Kyung-Hoon Suk, Hong-Seok Ju
  • Patent number: 10978707
    Abstract: LKMNO cathode materials based on a lithium-manganese spinel modified synergetically with potassium and nickel, and a method of production thereof are disclosed. The LKMNO cathode materials are characterised by a reversible gravimetric capacity in relation to lithium of at least 250 mAh/g after 80 operation cycles under a current load of 1 C, so that they are suitable for application in lithium-ion batteries with a high energy density.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: April 13, 2021
    Inventors: Monika Bakierska, Marcin Molenda, Michal Świȩtoslawski, Paulina Bielecka
  • Patent number: 10964941
    Abstract: The present invention relates to a sodium-ion battery comprising a positive electrode compartment comprising a positive electrode, said positive electrode comprising a Na-insertion compound; a negative electrode compartment comprising a negative electrode, said negative electrode comprising metallic sodium; and an electrolyte composition comprising a solid sodium-ion conductive ceramic electrolyte and a catholyte comprising a metallic salt with formula MY, wherein M is a cation selected from an alkali metal and an alkali-earth metal; and Y is an anion selected from [R1SO2NSO2R2], CF3SO3?, C(CN)3?, B(C2O4)2? and BF2(C2O4)?, wherein R1 and R2 are independently selected from fluorine or a fluoroalkyl group. The device is able to operate below the melting point of the anode component.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: March 30, 2021
    Inventors: Michel Armand, Teofilo Rojo, Gurpreet Singh, Laida Otaegui Ameztegui, Frederic Aguesse, Lucienne Buannic
  • Patent number: 10964956
    Abstract: A fuel cell stack assembly includes first and second bipolar plates, an active area membrane, and an optional subgasket. The first bipolar plate defines a first plurality of tunnels and the second bipolar plate defines a second plurality of tunnels. The second plurality of tunnels may be engaged with and nested between the first plurality of tunnels. The active area membrane may be disposed within an internal periphery of a subgasket between the first and second bipolar plates wherein the subgasket may, optionally, be positioned between the first and second plurality of tunnels.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 30, 2021
    Assignee: GM Global Technology Operations LLC
    Inventor: Jeffrey A. Rock
  • Patent number: 10950870
    Abstract: Disclosed is a method for producing an alloy catalyst supported on carbon, including the steps of: dispersing alloy particles into a mixed solution of water with alcohol, introducing a silica precursor thereto, and carrying out sol-gel reaction in the presence of a basic catalyst to obtain silica-coated alloy particles; supporting the silica-coated alloy particles onto a carbon carrier to obtain silica-coated alloy particles supported on carbon; heat treating the silica-coated alloy particles supported on carbon to increase an alloying degree; and removing silica coating by using inorganic base solution and a surfactant. The method for producing an alloy catalyst provides a high-quality and high-durability alloy catalyst by increasing the alloying degree of a catalyst through a heat treatment step, while forming a silica coating layer effectively on small alloy particles having a size of several nanometers to inhibit growth of the size of alloy particles.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: March 16, 2021
    Inventors: Hansung Kim, Jonggil Oh
  • Patent number: 10944086
    Abstract: Provided is a separator for a battery in which, when a ratio of a total length of line segments (Sa), in which an arbitrary straight line (La) intersects with resin fibers (4), to a total length of the straight line (La) on a cross-section of the separator in a thickness direction (TD) is represented by s (%) and when a thickness of the separator is represented by d (?m), 0<s?100, 3?d?50, and 300?d×s?1500 are satisfied, the straight line (La) being parallel to a first main surface (40a) and crossing the cross-section.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: March 9, 2021
    Inventors: Hiroya Umeyama, Harunari Shimamura
  • Patent number: 10923776
    Abstract: Systems and methods for monitoring and responding to forces influencing batteries of electronic devices are provided. One or more sensors may be provided at various positions within a battery assembly including one or more battery cells within an enclosure. In some embodiments, a sensor may be provided between a battery cell and a portion of the enclosure. In other embodiments, a sensor may be positioned between two adjacent cells in a stack. Each sensor may detect a force influencing a battery cell of the assembly. In some embodiments, the sensor may be a force sensing material having a conductance configured to vary based on the influencing force. In other embodiments, the sensor may be a contact sensor that detects when the influencing force moves two elements together.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: February 16, 2021
    Assignee: Apple Inc.
    Inventors: Bradley L. Spare, Robert Sean Murphy
  • Patent number: 10923716
    Abstract: A hybrid electrode and an energy storage device are disclosed. The hybrid electrode is applicable to use in advanced rechargeable energy storage and power sources. A non-woven sheet of carbon-nanotubes (CNTs) and a layer of lithiated graphene nanoparticles deposited on the sheet of CNTs are provided.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: February 16, 2021
    Assignee: Northrop Grumman Systems Corporation
    Inventors: John A. Starkovich, Hsiao-Hu Peng, Edward M. Silverman
  • Patent number: 10875964
    Abstract: A polymer compound to be used as a binder for a negative electrode of a power storage device is provided. The polymer compound is formed by condensation of a polyacrylic acid and a polyfunctional amine represented by the following general formula (1), where X is a ring structure having 1 to 3 benzene rings; and C1 to C4 are each a carbon atom constituting a benzene ring in the ring structure.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: December 29, 2020
    Inventors: Yusuke Sugiyama, Takeshi Kondo, Nobuhiro Goda
  • Patent number: 10833303
    Abstract: The disclosure relates to a composite end plate and a battery module. The composite end plate comprises: a base plate comprising a first surface and a second surface disposed opposite to each other, wherein the base plate is arranged such that the first surface faces a battery; and a rigid insert, wherein the rigid insert and the base plate are made of different materials, the rigid insert is made of metal material, the rigid insert is arranged at a bottom portion of the base plate, and at least a part of the rigid insert is arranged at the second surface and extends in a length direction of the second surface. According to embodiments of the disclosure, the composite end plate comprises the base plate and the rigid insert made of different materials.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: November 10, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Gen Cao, Jihua Yao, Taosheng Zhu
  • Patent number: 10833349
    Abstract: An energy storage device includes: an electrode assembly which includes: an approximately rectangular positive electrode; an approximately rectangular negative electrode which is stacked alternately with the positive electrode; and a strip-like elongated separator having a base material layer and an inorganic layer which is made to overlap with the first base material layer, wherein the elongated separator is arranged between the positive electrode and the negative electrode, and the base material layer of the elongated separator faces the negative electrode in an opposed manner between the positive electrode and the negative electrode.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: November 10, 2020
    Inventors: Kenta Nakai, Tomonori Kako, Akihiko Miyazaki, Sumio Mori
  • Patent number: 10818957
    Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution. An upper case, a PCB, and a battery cell are simultaneously coupled to each other through a hot-melt process without using additional members, such as double-sided adhesive tape and a PCM case. In particular, a label can be removed from an embedded type battery pack. Consequently, it is possible to improve manufacturing efficiency and reduce manufacturing cost due to the reduction in the number of parts.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: October 27, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Bum Jick Lee, Soo Jun Ahn, Dong Cheol Lee, Yong Ho Cho, Jae Hyeon Ju
  • Patent number: 10811676
    Abstract: Provided is a precursor of transition metal oxide represented by chemical formula 1 below.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: October 20, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ho-Suk Shin, Byung-Chun Park, Jae-Hyun Lee
  • Patent number: 10811668
    Abstract: A secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate; a battery case containing the electrode body; a terminal attached to the battery case; a conductive member having an opening adjacent to the electrode body; a deformation plate that seals the opening, and a current collector. The positive electrode plate and a positive electrode terminal are electrically connected to each other via a first positive electrode current collector, the deformation plate, and the conductive member. The first positive electrode current collector has a through-hole. The deformation plate is disposed to face the through-hole. A portion of the first positive electrode current collector distant from the through-hole is welded to the deformation plate to form a weld.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 20, 2020
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Ryoichi Wakimoto, Naoya Tada, Atsushi Tsuji, Yoshinori Yokoyama