Patents Examined by Ula C. Ruddock
  • Patent number: 11329347
    Abstract: The disclosure provides a battery pack and a vehicle. The battery pack includes: a housing including a housing bottom wall and a housing side wall which form an accommodating space; a battery module disposed in the accommodating space and including a plurality of batteries, where a case side wall of the battery includes two first side walls oppositely disposed along a first direction and two second side walls oppositely disposed along a second direction; and a frame structure disposed in the accommodating space, which includes a first beam and a second beam respectively located at two ends of the battery module along the first direction, the first beam and the second beam extend along the second direction and are disposed opposite to the first side wall along the first direction, the first beam is non-detachably connected to the housing, and the second beam is detachably connected to the housing.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: May 10, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Haihua Huang, Tingting Zhu
  • Patent number: 11329295
    Abstract: A porous body with a framework having an integrally continuous, three-dimensional network structure, the framework comprising an outer shell and a core including one or both of a hollow or a conductive material, the outer shell including nickel and cobalt, the cobalt having a ratio in mass of 0.2 or more and 0.4 or less or 0.6 or more and 0.8 or less relative to the total mass of the nickel and the cobalt.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 10, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Koma Numata, Masatoshi Majima
  • Patent number: 11322742
    Abstract: According to one embodiment, provided is an active material including monoclinic niobium titanium composite oxide particles, and carbon fibers with which at least a part of surfaces of the monoclinic niobium titanium composite oxide particles is covered. The monoclinic niobium titanium composite oxide particles satisfy 1.5?(?/?)?2.5. The monoclinic niobium titanium composite oxide particles have an average primary particle size of 0.05 ?m to 2 ?m. The carbon fibers contain one or more metal elements selected from the group consisting of Fe, Co and Ni, and satisfy 1/10000?(?/?)? 1/100. The carbon fibers have an average fiber diameter in the range of 5 nm to 100 nm.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: May 3, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Norio Takami, Keigo Hoshina, Mitsuru Ishibashi, Yoshihiko Nakano, Yasuhiro Harada
  • Patent number: 11322749
    Abstract: A battery using porous polymer materials with tapered or cone-shaped metalized pores. The types of batteries include, but are not limited to, Li—CoO2, Li—Mn2O4, Li—FePO4, Li—S, Li—O2, and other lithium cathode chemistries. The tapered metalized pores contain lithium metal in small reaction zones in the anode and cathode in a flexible structure. The form factor of such assembly would be very thin. Because of the thin form factor these electrodes would be suitable for batteries that require high power density, such certain electrical vehicles, power tools, and wearable devices.
    Type: Grant
    Filed: March 7, 2020
    Date of Patent: May 3, 2022
    Inventor: Slobodan Petrovic
  • Patent number: 11322782
    Abstract: A control module is arranged side by side with a battery module. The control module includes a bus bar by which the battery module and an electric load are electrically connected to each other; a switch by which an electrical connection between the bus bar and the electric load is switched on and off; a current sensor by which a current of the bus bar is detected; and a shielding part. The current sensor detects current passing through the bus par by converting, to an electrical signal, a magnetic field generated by the current passing though the bus bar. The switch generates a magnetic field to switch over connections between the bus bar and the electric load based on the generated magnetic field. The shielding part is arranged between the current sensor and the switch.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: May 3, 2022
    Assignee: DENSO CORPORATION
    Inventor: Yoshimitsu Inoue
  • Patent number: 11316205
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a separator, a first intermediate layer, a second intermediate layer, and a negative electrode. The separator is arranged between the positive electrode and the negative electrode. The first intermediate layer is arranged between the separator and the negative electrode. The second intermediate layer is arranged between the first intermediate layer and the negative electrode. The first intermediate layer and the second intermediate layer are each a porous layer. The first intermediate layer contains at least a metal organic framework. The second intermediate layer is electrically insulating.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 26, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kazuhisa Takeda
  • Patent number: 11316172
    Abstract: A fuel cell according to the present disclosure includes a flat plate-shaped metal porous body having a framework of a three-dimensional network structure as a gas diffusion layer. The framework is made of metal or alloy. In the metal porous body, a ratio of an average pore diameter in a direction parallel to a gas flow direction to an average pore diameter in a direction perpendicular to the gas flow direction is greater than or equal to 1.4 and less than or equal to 2.5.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: April 26, 2022
    Assignee: SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Hitoshi Tsuchida, Junichi Nishimura, Seiji Mabuchi
  • Patent number: 11316176
    Abstract: To prevent a reduction in the performance of a unit cell due to a gas shortage in a cathode chamber. An electrochemical reaction unit includes a unit cell, a cathode-side member, and an anode-side member. The electrochemical reaction unit satisfies the following condition on at least one of supply and discharge sides of the cathode chamber. Condition: the distance between the midpoint between opposite end points of a cathode-side opening group including an opening of a cathode-side communication channel and the midpoint (specific point) between opposite end points of an anode-side supply opening group including an opening of an anode-side supply communication channel in a direction parallel to an inner circumferential surface of a cathode chamber hole is shorter than the distance between the centroid of a cathode-side gas channel hole and the specific point in the direction parallel to the inner circumferential surface of the cathode chamber hole.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: April 26, 2022
    Assignee: MORIMURA SOFC TECHNOLOGY CO., LTD.
    Inventors: Yuki Ota, Takafumi Shichida, Kenta Manabe
  • Patent number: 11309539
    Abstract: An electrochemical cell comprising an alkali metal negative electrode layer physically and chemically bonded to a surface of a negative electrode current collector via an intermediate metal chalcogenide layer. The intermediate metal chalcogenide layer may comprise a metal oxide, a metal sulfide, a metal selenide, or a combination thereof. The intermediate metal chalcogenide layer may be formed on the surface of the negative electrode current collector by exposing the surface to a chalcogen or a chalcogen donor compound. Then, the alkali metal negative electrode layer may be formed on the surface of the negative electrode current collector over the intermediate metal chalcogenide layer by contacting at least a portion of the metal chalcogenide layer with a source of sodium or potassium to form a layer of sodium or potassium on the surface of the negative electrode current collector over the metal chalcogenide layer.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: April 19, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Fang Dai, Meinan He, Shuru Chen, Mei Cai
  • Patent number: 11309598
    Abstract: The present disclosure provides a heating control method and a heating control device. The heating control method includes: acquiring an average current value in a heating circuit of a power battery pack; calculating a current output value required for nth cycle according to an average current value of the nth cycle, an average current value of (n?1)th cycle, an average current value of (n?2)th cycle, a preset current value, n is equal to or greater than 3; outputting a PWM signal to a switch device of the heating circuit according to a pre-calibrated PWM control parameter corresponding to the current output value so that a difference between an actual current value in the heating circuit and the preset current value is less than a preset threshold.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 19, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Zhimin Dan, Wenbin Lu, Wei Zhang, Yizhen Hou, Teng Yu, Xiyang Zuo, Xingyuan Wu, Taosheng Zhu
  • Patent number: 11309563
    Abstract: A fuel cell system includes at least one topping fuel cell module including a topping anode portion configured to output a topping anode exhaust, and a topping cathode portion configured to output a topping cathode exhaust; at least one bottoming fuel cell module including a bottoming anode portion configured to output a bottoming anode exhaust, and a bottoming cathode portion configured to output a bottoming cathode exhaust; and an electrochemical hydrogen separation unit configured to receive at least a portion of the topping anode exhaust, to output a hydrogen-rich stream, and to output a CO2-rich stream. The bottoming anode portion is configured to receive the CO2-rich stream from the electrochemical hydrogen separation unit.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: April 19, 2022
    Assignee: FuelCell Energy, Inc.
    Inventors: Ramakrishnan Venkataraman, Mohammad Farooque
  • Patent number: 11302954
    Abstract: Provided is a nonaqueous electrolyte secondary battery with excellent low-temperature performance. The nonaqueous electrolyte secondary battery disclosed herein includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution. The positive electrode includes a positive electrode active material layer. The positive electrode active material layer includes, as a positive electrode active material, a lithium transition metal composite oxide including at least lithium, nickel, manganese, cobalt, and tungsten. The nonaqueous electrolytic solution includes lithium fluorosulfonate and LiPF6. The concentration of LiPF6 in the nonaqueous electrolytic solution is 1.11 mol/L or more. The viscosity of the nonaqueous electrolytic solution at 25° C. is 3.1 cP or more. The separator includes a resin layer and an inorganic layer formed on a surface of the resin layer that faces the positive electrode.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: April 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tetsuri Nakayama
  • Patent number: 11296329
    Abstract: A metal-ion battery is provided. The metal-ion secondary battery includes a first chamber, a second chamber, and a control element. A positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a first electrolyte are disposed within the first chamber. A second electrolyte is disposed within the second chamber, and wherein components and/or concentration of the first electrolyte are different from those of the second electrolyte. The control element determines whether to introduce the second electrolyte disposed within the second chamber into the first chamber via a first pipeline.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: April 5, 2022
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chien-Chih Chiang, Kuang-Yao Chen, Chun-Hsing Wu, Chang-Chung Yang
  • Patent number: 11296381
    Abstract: Battery packs are presented. The battery packs include a plurality of cell blocks, each cell block comprising a plurality of battery cells. The battery pack also includes a plenum chamber configured to fluidly couple each of the cell blocks to an exterior of the battery pack in response to a thermal event in the battery cell in a separate cell block. In some embodiments, at least one of the cell blocks is configured to be fluidly coupled to the plenum structure via a cell block vent.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 5, 2022
    Assignee: Apple Inc.
    Inventors: Josef L. Miler, Alexander J. Clarabut, Mujeeb I. Ijaz, Jonathan Hall, Luke A. Wilhelm, Abraham B. Caulk, Dirk E. Long, Yu-Hung Li
  • Patent number: 11296384
    Abstract: A battery mounting apparatus includes a mounting plate configured to hold a battery, a locking structure configured to detachably attach the battery to the mounting plate, and an ejection structure configured to eject the battery when the locking structure releases the battery, such that at least a portion of the battery is separated from the mounting plate.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: April 5, 2022
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Fangming Ye, Tao Peng, Liang Sun, Di Ou
  • Patent number: 11296372
    Abstract: A battery pack includes a battery module, a case accommodating the battery module, and a cover covering the case. The battery module includes a plurality of battery cells each having an electrode at upper end, a cell accommodating portion made of resin and accommodating the plurality of battery cells, and a cooling portion for cooling the plurality of battery cells. The cooling portion includes a first metal portion disposed on a side facing a bottom end of each of the plurality of battery cells, a second metal portion extending from the other end facing surface of the first metal portion to the upper ends of the battery cells and disposed between the plurality of battery cells. The cell accommodating portion includes a resin insert portion formed by insert molding at least the other end facing surface of the first metal portion and the plurality of second metal portions.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 5, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Satoshi Ishikawa, Takahiro Mochizuki
  • Patent number: 11283108
    Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as in the detailed description. A rechargeable lithium battery includes: a positive electrode; a negative electrode; and the electrolyte.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: March 22, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Harim Lee, Hyejin Park, Myungheui Woo, Jin-Hyeok Lim, Hyunbong Choi
  • Patent number: 11283132
    Abstract: Provided is a battery pack. The battery pack includes: a bare cell including a bare cell main body including an electrode assembly and a sealing portion around the bare cell main body; a circuit board electrically connected to the bare cell and comprising a front surface portion opposite to the bare cell main body, wherein a chamfer portion that is inclined diagonally with respect to the front surface portion is formed at a side of the front surface portion; and a connection line extending via the chamfer portion of the circuit board. Accordingly, physical interference with a set device in which the battery pack is mounted may be avoided in the limited space of the set device, and damage to or a short circuit of the connection line which establishes an electrical connection with the set device may be prevented.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Seohoon Yang
  • Patent number: 11283101
    Abstract: A method of preparing an electrode for an electrode assembly having a structure in which electrodes are laminated, including: (i) a process of coating an electrode mixture on at least one surface of a metal sheet so that n (n?2) electrode mixture coated layer lines are formed between non-coated portions parallel to a first direction; (ii) a process of rolling the metal sheet sequentially from a first electrode mixture coated layer line to an nth electrode mixture coated layer line using a rolling roller rotated in a second direction perpendicular to the first direction; (iii) a process of slitting the rolled metal sheet at least twice in the second direction to prepare electrode plate base materials having n electrode mixture coated layers formed thereon; and (iv) a process of cutting each of the electrode plate base materials in the first direction to obtain n single sheet electrodes.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 22, 2022
    Inventors: Dae Won Lee, Ki Eun Sung, Jun Wan Kim, Dong Hyeuk Park, Hyun Jin Jeon, Jae Hong Kim, Sang Wook Kim, Hak Sik Lee, Sung Chul Park, Jeong Ki Kim
  • Patent number: 11276858
    Abstract: A negative electrode active material for a lithium ion secondary battery, made up of substantially spherical graphite particles (A), having fine protrusions on the surfaces thereof and obtained by impregnating and coating substantially spherical graphite particles with a mixture of pitch and carbon black, followed by baking in a range of 900 to 1500° C. In accordance with Raman spectroscopic analysis of the particles (A) using argon laser Raman scattering light, there exists a G-band composite peak comprising peaks in the vicinity of 1600 cm?1, and 1580 cm?1, respectively, and at least one peak in the vicinity of D-band at 1380 cm?1, an interlayer distance of the lattice plane d002, obtained by wide-range X-ray diffraction, being in the range of 0.335 to 0.337 nm.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: March 15, 2022
    Assignee: NIPPON CARBON CO., LTD.
    Inventors: Takanobu Kawai, Ken-ichi Hongawa, Hayato Matsumoto, Kazuaki Yamashita