Patents Examined by Jimmy Vo
  • Patent number: 11367888
    Abstract: The invention relates to solid oxide fuel cell anodes, in particular anodes which containing porous particles coated with catalytic nickel. The use of porous particles as a carrier for the nickel catalyst helps to overcome some of the redox stability issues experienced by some systems and improves the internal reforming properties of the system and permits less nickel to be used in SOFC systems.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: June 21, 2022
    Assignee: Ceres Intellectual Property Company Limited
    Inventors: Robert Leah, Eva-Maria Hammer, Adam Bone
  • Patent number: 11362389
    Abstract: A pouch type secondary battery in which an electrode lead of the pouch type secondary battery and an electrode lead of an adjacent different pouch type secondary battery are welded together to construct a battery module is provided. The electrode lead of the pouch type secondary battery includes a length extended part so that, after cutting a welded part of the electrode leads of the pouch type secondary battery and the adjacent different pouch type secondary battery to form electrode leads of remaining length, the electrode leads of remaining length are welded together again. A battery module and method of reusing the battery module are also provided.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: June 14, 2022
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Patent number: 11355794
    Abstract: The present disclosure provides a secondary battery module capable of optically transmitting measurement data on characteristics of cells forming a battery pack and further reducing a complicated procedure of wiring. The secondary battery module of the present disclosure includes: a battery pack in which a plurality of cell units are connected, each of the cell units including a cell and a light-emitting unit, the cell including a stacked unit and an electrolyte, the light-emitting unit being configured to measure characteristics of the cell and generate an optical signal according to the characteristics; and an optical waveguide into which an optical signal is introduced from the light-emitting unit of each of the cell units, wherein the number of optical waveguides is less than the number of optical signals, and the optical waveguide provides a common optical path through which optical signals are propagated from the light-emitting units provided in the battery pack.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: June 7, 2022
    Inventors: Yohji Kawasaki, Yusuke Mizuno, Hideaki Horie
  • Patent number: 11355802
    Abstract: According to the present disclosure, technology of preventing reduction of battery performances in manufacturing steps is provided for a secondary battery provided with a protective member for preventing cleavage of a welded part. A secondary battery disclosed herein includes an electrode body including a terminal connecting part, an exterior body including a welded part at an outer circumferential edge part, and an electrode terminal connected with the terminal connecting part. The secondary battery includes a protective member that is placed between the exterior body and the electrode body, and regulates shrinkage deformation of the exterior body toward a center in a width direction. The second battery further includes a movement regulating means for regulating movement of the protective member. This can prevent reduction of battery performances in manufacturing steps.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: June 7, 2022
    Inventor: Masashi Kato
  • Patent number: 11355762
    Abstract: A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: June 7, 2022
    Inventors: Michael Gasda, Vijay Srivatsan, Robert M. Hintz, Swaminathan Venkataraman, Padiadpu Shankara Anantha, Emad El Batawi, Cheng-Yu Lin, Sagar Mainkar, Gilbert Richards, Jonathan Scholl
  • Patent number: 11342605
    Abstract: A power storage device includes a power storage module including a plurality of power storage cells aligned in one direction, a healer formed to be deformable along a shape of the power storage module and configured to heat the power storage module, and an elastic member configured to press the heater against the power storage module.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: May 24, 2022
    Inventors: Kazuma Asakura, Masatoshi Hayashita, Yasuyuki Takei
  • Patent number: 11335940
    Abstract: A fuel cell stack includes an endplate assembly having a structural endplate. An insulator plate has a second exterior surface contacting a first interior surface of the structural endplate and a second interior surface on an opposite side of the insulator plate. A third plate has a third exterior surface contacting the second interior surface and a third interior surface on an opposite side of the third plate relative to the insulator plate. The third interior surface and third exterior surface are substantially flat. The second interior surface and the third exterior surface contact each other substantially continuously in a longitudinal direction and a lateral direction, and are flat and substantially parallel to each other. The second exterior surface is contoured such that the second exterior surface is not flat and is substantially non-parallel relative to the third interior surface.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: May 17, 2022
    Assignee: PLUG POWER INC.
    Inventors: Charles M Carlstrom, Jr., Michael Anthony Cacioppo, James D'Aleo, Charles Elder
  • Patent number: 11335965
    Abstract: A heating device for a prismatic battery cell of a high-voltage battery of a motor vehicle includes two sheet-shaped heating elements to be arranged on two opposite lateral outer sides of a cell housing of the battery cell, and two connecting elements to be arranged on a housing cover of the cell housing. The connecting elements are electrically connected to terminals of the two heating elements. The connecting elements are flexibly formed, at least in certain regions, and as a result the heating elements are connected in a hinge-like manner. The heating device can be arranged by arranging the first heating element on the first lateral outer side of the cell housing, swinging the second heating element over the housing cover, and arranging the second heating element on the second lateral outer side on the cell housing.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: May 17, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Christoph Bauer, Simon Nuernberger, Jan Philipp Schmidt
  • Patent number: 11329333
    Abstract: The heat transfer device includes a sealed bag, a working fluid, and a contact component. The working fluid is enclosed in the bag. The contact component includes a first contact portion and a second contact portion that are separated from each other via a spacer. A left edge portion of the bag is disposed between the first contact portion and the second contact portion. The left edge portion contacts the first contact portion and the second contact portion when the bag expands due to vaporization of the working fluid.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: May 10, 2022
    Inventors: Akihiro Nagafuchi, Hideyuki Kuboki, Eiichi Kobayashi, Souichirou Okumura
  • Patent number: 11322808
    Abstract: A secondary battery module showing excellent packing efficiency which makes it possible to connect a secondary battery and a charge/discharge device with a stably low resistance without any unnecessary deformation of the secondary battery or an electrode terminal is disclosed. The secondary battery module includes a plurality of stack units, each of the stack units including: at least one non-conductive plate member; at least one conductive member fixed to the plate member; a secondary battery stacked on the plate member; and at least one electrode terminal sticking out of a side face of the secondary battery, and held by the conductive member.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: May 3, 2022
    Inventors: Yuji Yamashita, Hirokazu Kawaoka, Sumiko Kito, Nagato Nakajima
  • Patent number: 11309569
    Abstract: A microwatt fuel cell stack that demonstrates a wide range temperature tolerance, low reactant cross-over and leakage, low internal leakage current, and/or effective water transport is disclosed. Both H2 and O2 may be supplied directly to the fuel cell stack (i.e., dead-ended). One-piece gas diffusion electrodes (GDEs) may serve as both the active electrode and manifold port. Water removal may be accomplished by permeation through the membrane to “fins” exposed by notches in the bipolar plates and gaskets.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: April 19, 2022
    Assignee: Triad National Security, LLC
    Inventor: Mahlon Scott Wilson
  • Patent number: 11302972
    Abstract: The present application provides a battery pack. The battery pack includes a box, the box being configured as a cavity structure; an exhaust channel arranged at the bottom of the box; and a plurality of battery cells, the plurality of battery cells being stacked and housed in the cavity structure of the box, and the plurality of battery cells being located on an end face of the exhaust channel facing away from the bottom of the box, and an end face of each of the battery cells facing the exhaust channel being provided with an explosion-proof valve, where a structural layer of the exhaust channel facing the explosion-proof valve is provided with a weakened zone, and when thermal runaway occurs in any battery cell, a gas in the battery cell is capable of being collected into the exhaust channel via the weakened zone and discharged.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: April 12, 2022
    Inventors: Yannan Chu, Mu Qian, Jinqing Ji
  • Patent number: 11289754
    Abstract: A cooling structure of a battery pack includes an assembled battery including stacked battery modules, an intake passage, and a discharge passage. Ventilation passages extend between adjacent ones of the battery modules. The intake passage extends in a stacking direction of the battery modules and includes an intake port to draw in cooling air from a blower. The discharge passage extends in the stacking direction and includes a discharge port at a first end to discharge the cooling air, which flows through the ventilation passages, to the outside. The first end of the discharge passage and the intake port of the intake passage are located at the same side. The discharge passage is defined by a wall that includes a communication portion disposed at a position toward a second end of the discharge passage opposite to the first end to partially discharge air from the exhaust passage.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 29, 2022
    Inventors: Ryutaro Suzuki, Naoki Fukusako, Toru Hanaoka, Shozo Fuji
  • Patent number: 11271242
    Abstract: A lithium ion secondary battery having excellent durability is provided. The lithium ion secondary battery includes: a positive electrode including a current collector made from aluminum; a negative electrode; and an electrolytic solution. The electrolytic solution contains an electrolyte including a lithium salt, and a linear carbonate represented by formula (2), the linear carbonate is contained at a mole ratio of 3 to 6 relative to the lithium salt, and the electrolyte includes a first lithium salt represented by formula (1) and a second alkali metal salt; (R1X1)(R2SO2)NLi: formula (1); and R20OCOOR21: formula (2).
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: March 8, 2022
    Inventors: Tomoyuki Kawai, Takeshi Maki, Yuki Ichikawa, Shunya Sakamoto
  • Patent number: 11271273
    Abstract: The present application relates to an electrode member, an electrode assembly and a secondary battery. The electrode member comprises an electrode body and a conductive structure that has a first portion having an active material and a second portion extending from the first portion. The second portion comprises a main portion and a transition portion provided between the main portion and the first portion, and a width of the transition portion larger than a width of the main portion. The conductive structure is welded with the second portion and extends along a direction away from the first portion. At least a part of a welding region formed by the second portion and the conductive structure is positioned at the transition portion, thereby avoiding the overcurrent area being significantly reduced by the main portion and ensuring that every position electric current passes through have a sufficient overcurrent area.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: March 8, 2022
    Inventors: Qingrui Xue, Zige Zhang, Miao Jiang, Jing Li, Wei Li, Xianwei Yang
  • Patent number: 11264637
    Abstract: One variation of a battery unit includes: a substrate including silicon and defining a cell, wherein the cell includes a base encompassed by a continuous wall and a set of posts extending normal to the base; an electrolyte material coating vertical surfaces of each post, in the set of posts, and vertical surfaces of the continuous wall in the cell; a cathode material filling the cell over the electrolyte material, between posts in the set of posts, and between the set of posts and the continuous wall; a seal extending along a top of the continuous wall; and a cathode current collector bonded to the seal, electrically coupled to the cathode material, and cooperating with the substrate to enclose the cell to form a single-cell battery.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: March 1, 2022
    Assignee: Millibatt, Inc.
    Inventors: Janet Hur, Leland Smith, Cheolwoong Lim, Guangyi Sun
  • Patent number: 11264648
    Abstract: To provide a power storage device whose charge and discharge characteristics are unlikely to be degraded by heat treatment. To provide a power storage device that is highly safe against heat treatment. The power storage device includes a positive electrode, a negative electrode, a separator, an electrolytic solution, and an exterior body. The separator is located between the positive electrode and the negative electrode. The separator contains polyphenylene sulfide or solvent-spun regenerated cellulosic fiber. The electrolytic solution contains a solute and two or more kinds of solvents. The solute contains LiBETA. One of the solvents is propylene carbonate.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: March 1, 2022
    Inventors: Kazuhei Narita, Ryota Tajima, Teppei Oguni
  • Patent number: 11258082
    Abstract: The fuel cell includes a power generation unit, a plurality of storage containers that are detachable and house hydrogen absorbing alloy, a heat medium passage through which a heat medium flows, and a temperature control unit for heating the storage containers by controlling the temperature of the heat medium and causing the heat medium to flow. The temperature control unit can carry out a first temperature control mode of controlling the temperature of the heat medium to be equal to or higher than a first temperature, and a second temperature control mode of controlling the temperature of the heat medium to be equal to or higher than a second temperature. The temperature control unit determines whether the second temperature mode is to be carried out or not based on the pressure or the temperature of an attached storage container when a new storage container is attached.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: February 22, 2022
    Inventor: Yoshiaki Fukatsu
  • Patent number: 11258054
    Abstract: A positive electrode active material contains a lithium-rich lithium manganese-based oxide represented by chemical formula (1), Li1+aNixCoyMnzMvO2?bAb??(1) wherein, 0<a?0.2, 0<x?0.4, 0<y?0.4, 0.5?z?0.9, 0?v?0.2, a+x+y+z+v=1, and 0?b?0.5; M is one or more elements selected from the group consisting of Al, Zr, Zn, Ti, Mg, Ga, In, Ru, Nb, and Sn; and A is one or more elements selected from the group consisting of P, N, F, S and Cl; and a coating layer formed on a surface of the lithium-rich lithium manganese-based oxide, wherein the coating layer contains a lithium-deficient transition metal oxide in a lithium-deficient state having a molar ratio of lithium to transition metal of less than 1 is formed on the surface of the lithium-rich lithium manganese-based oxide, and wherein the content of the coating layer is 1% to 10% by weight based on the total weight of the positive electrode active material.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: February 22, 2022
    Inventors: Gi Beom Han, Min Kyu You, Chi Ho Jo, Jintae Hwang, Wang Mo Jung, Sungbin Park
  • Patent number: 11251448
    Abstract: A method for determining a sealing tightness of a fuel cell stack includes providing of fuel into a cathode space, sealed off gas-tight against further components of a cathode subsystem, formed at least partly by the fuel cell stack, and detecting of a value which is indicative of a pressure change in the cathode space, where a cathode test pressure in the cathode space is higher than a pressure outside the fuel cell stack.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: February 15, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Volker Formanski, Norbert Frisch, Martin Thomas