Patents Examined by Matthew W Van Oudenaren
  • Patent number: 11031614
    Abstract: A fuel cell system includes a plurality of fuel cell stacks or columns, each fuel cell stack or column containing a plurality of fuel cells, and at least one pressure drop tool located in a fuel path of at least one first fuel cell stack or column but not in a fuel path of at least one second fuel cell stack or column.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: June 8, 2021
    Assignee: BLOOM ENERGY CORPORATION
    Inventors: Natarajan Ramanan, Martin Perry, Yashas Keshav, Michael Petrucha, Nilanjana Basu
  • Patent number: 11024860
    Abstract: A fuel cell system and a method of controlling the fuel cell system is provided. A fuel cell generates power, and a coolant system provides coolant flow through the stack. A controller is configured to, in response to at least one of an ambient temperature and a coolant temperature being below a threshold value after a vehicle shut down command or event, command the coolant system to circulate coolant through the stack to reduce ice formation in the stack prior to commanding a purge of the fuel cell stack.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: June 1, 2021
    Assignee: FORD MOTOR COMPANY
    Inventors: Matthew Riley, Craig Mathie, Milos Milacic
  • Patent number: 11011795
    Abstract: A thin film solid state battery configured with barrier regions formed on a flexible substrate member and method. The method includes forming a bottom thin film barrier material overlying and directly contacting a surface region of a substrate. A first current collector region can be formed overlying the bottom barrier material and forming a first cathode material overlying the first current collector region. A first electrolyte can be formed overlying the first cathode material, and a second current collector region can be formed overlying the first anode material. The method also includes forming an intermediary thin film barrier material overlying the second current collector region and forming a top thin film barrier material overlying the second electrochemical cell. The solid state battery can comprise the elements described in the method of fabrication.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: May 18, 2021
    Assignee: Sakti3, Inc.
    Inventors: Hyoncheol Kim, Marc Langlois, Myoungdo Chung, Ann Marie Sastry, Yen-Hung Chen, Stephen Buckingham
  • Patent number: 11011790
    Abstract: An exemplary battery assembly includes, among other things, battery cells distributed along an axis and disposed on a base. A bracket extends axially along a side of the battery cells. A plate extends from a first side to an opposing, second side of the battery cells. A retention flange of the plate is held between the bracket and the base. An exemplary method of retaining includes holding battery cells relative to a base using a bracket extending along a side of the array, and positioning a retention flange of a plate between the bracket and the base. A primary portion of the plate is disposed along an axial end of the array.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: May 18, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Juil Yum, Kimberley King, Rajaram Subramanian, Saravanan Paramasivam, David J. Pfeiffer
  • Patent number: 10991996
    Abstract: The present disclosure provides a battery heat exchange system which comprises a liquid feeding mechanism, a heat exchange mechanism and a liquid draining mechanism. The liquid feeding mechanism provides a circulating liquid. The heat exchange mechanism is connected with the liquid feeding mechanism and comprises a plurality of heat exchange units and a plurality of connecting units; each heat exchange unit is used to heat or cool a corresponding battery module, and the plurality of connecting units are used to connect the heat exchange units together in series-parallel. The liquid draining mechanism is connected with the heat exchange mechanism, and the circulating liquid provided by the liquid feeding mechanism flows through the heat exchange mechanism and then is drained from the liquid draining mechanism.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: April 27, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiaoteng Huang, Yanlong Gu, Ruobo You
  • Patent number: 10991942
    Abstract: Electrochemical cells of the present disclosure may include one or more multilayered electrodes. Each multilayered electrode may be configured such that active materials of the layer closest to the current collector have a lower energy to lithiate per mole, a higher energy to delithiate per mole, a different solid state diffusivity, and/or a different average particle size. This arrangement counteracts, for example, natural gradient fields and undesirable polarization found in standard lithium-ion batteries.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 27, 2021
    Assignee: EnPower, Inc.
    Inventors: Adrian Yao, Jonathan Hwang
  • Patent number: 10991933
    Abstract: A secondary battery according to the present invention includes a first electrode, a second electrode, a charging layer arranged between the first electrode (11) and the second electrode and containing a mixture of an insulating material and a first n-type oxide semiconductor material, an n-type oxide semiconductor layer arranged between the charging layer and the first electrode and containing a second n-type oxide semiconductor material, a p-type oxide semiconductor layer (16) arranged between the charging layer and the second electrode and containing a p-type oxide semiconductor material, a mixture layer arranged between the charging layer and the p-type oxide semiconductor layer and containing a mixture of silicon oxide and a third n-type oxide semiconductor material, and a conductive layer arranged between the first electrode and the n-type oxide semiconductor layer and containing a metal material.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 27, 2021
    Assignee: KABUSHIKI KAISHA NIHON MICRONICS
    Inventors: Takuo Kudoh, Harutada Dewa, Hikaru Takano, Tomokazu Saito, Takashi Tonokawa
  • Patent number: 10978704
    Abstract: An acidified metal oxide (“AMO”) material, preferably in monodisperse nanoparticulate form 20 nm or less in size, having a pH<7 when suspended in a 5 wt % aqueous solution and a Hammett function H0>?12, at least on its surface. The AMO material is useful in applications such as a battery electrode, catalyst, or photovoltaic component.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: April 13, 2021
    Assignee: HHELI, LLC
    Inventors: Paige L. Johnson, Jonathan G. Neff
  • Patent number: 10978710
    Abstract: A power storage device with excellent charge and discharge characteristics. A power storage device in which a decrease in capacity in charge and discharge cycles is inhibited. An electrode which includes a current collector and an active material layer and in which the active material layer includes an active material and a binder and the binder includes polybenzoxazine. An electrode that includes polybenzoxazine and another material as a binder. A basic material may be used as the active material. The electrode may be formed under high temperatures.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: April 13, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Teruaki Ochiai, Takahiro Kawakami
  • Patent number: 10971763
    Abstract: A battery pack management device capable of reducing power consumption while transmitting and receiving data between a master BMS and a slave BMS by using a wireless communication method. The battery pack management device according to the present disclosure includes: a master BMS including an external communicator, an internal communicator, and a master controller and a slave BMS including a power supply, a state measurement sensor, a slave wireless communicator, and a slave controller.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: April 6, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Chang-Hyun Sung, Jae-Dong Park, Sang-Hoon Lee, Yean-Sik Choi
  • Patent number: 10957931
    Abstract: A membrane electrode assembly manufacturing device includes a loading apparatus for supplying an MEA roll on which a membrane electrode assembly is arranged by a predetermined pitch, a hot press apparatus for pressing a surface corresponding to the membrane electrode assembly of the MEA roll at a set temperature, a buffer apparatus to which the MEA roll is supplied to one side and exhausted at the other side, and for performing a buffer function of absorbing a difference between supply and exhaustion, and a cutting apparatus for cutting a portion of the membrane electrode assembly arranged at the MEA roll.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 23, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sung Hoon Jeong, Jongcheol Ahn, Yongmin Kim, Ki Sub Lee
  • Patent number: 10957917
    Abstract: A manufacturing method of a unit cell of a fuel cell, includes: preparing a frame member made of resin, first adhesive bonds being provided on one surface of the frame member and being separated from each other and each having thermoplasticity; preparing a separator; and joining the frame member and the separator by heating and pressing the frame member and the separator in a state where the one surface of the frame member faces the separator through the first adhesive bonds, so as to melt the first adhesive bonds to be brought into contact with each other.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: March 23, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Kazunori Shibata
  • Patent number: 10950866
    Abstract: An energy storage device including an anode, a cathode, at least one of the anode and the cathode including a carbon nanosheet having an active material, such as selenium, in and/or on the carbon nanosheet, and an electrolyte. A carbon material including a carbon nanosheet derived from a biological precursor, such as nanocrystalline cellulose, including a plurality of micropores and an active material impregnated into at least a portion of the micropores of the carbon nanosheet.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: March 16, 2021
    Assignee: Sparkle Power LLC
    Inventors: David Mitlin, Jia Ding
  • Patent number: 10944114
    Abstract: The invention provides noble metal-free electro-catalyst compositions for use in acidic media, e.g., acidic electrolyte. The noble metal-free electro-catalyst compositions include non-noble metal absent of noble metal. The non-noble metal is non-noble metal oxide, and typically in the form of any configuration of a solid or hollow nano-material, e.g., nano-particles, a nanocrystalline thin film, nanorods, nanoshells, nanoflakes, nanotubes, nanoplates, nanospheres and nanowhiskers or combinations of myriad nanoscale architecture embodiments. Optionally, the noble metal-free electro-catalyst compositions include dopant, such as, but not limited to halogen. Acidic media includes oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells, and direct methanol fuel cells and oxygen evolution reaction (OER) in PEM-based water electrolysis and metal air batteries, and hydrogen generation from solar energy and electricity-driven water splitting.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: March 9, 2021
    Assignee: UNIVERSITY OF PITTSBURGH—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
    Inventors: Prashant N. Kumta, Prasad P. Patel, Moni K. Datta, Oleg Velikokhatnyi, Prashanth J. Hanumantha, Ramalinga Kuruba, Shrinath Ghadge
  • Patent number: 10930905
    Abstract: The invention relates to a battery module having a plurality of battery cells, in particular lithium-ion battery cells, having a plurality of partitions (4), wherein a battery cell (2) is arranged between two partitions (4), and a spring element (6) is furthermore arranged between two partitions (4) adjacent to a battery cell (2), in particular a tension and/or compression spring element, which is arranged in a manner contacting and/or connected to the two partitions (4) such that a value of a deformation constant (12) of the spring element (6) determines a force transmitted by the two partitions (4) to the battery cell (2).
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: February 23, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Christian Wagner, Daniel Bernd Greiner, Matthias Riedmann, Peter Kohn, Robert Hafenbrak
  • Patent number: 10916805
    Abstract: Electrolyte compositions comprising fluorinated acyclic carboxylic acid esters, fluorinated acyclic carbonates, and/or fluorinated acyclic ethers; co-solvents; and certain film-forming chemical compounds are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries where they provide the improved performance of a combination of high capacity and high cycle life.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: February 9, 2021
    Assignee: Solvay SA
    Inventors: Xudong Chen, Charles J. Dubois, William L. Holstein, Kostantinos Kourtakis, Mark Gerrit Roelofs
  • Patent number: 10916787
    Abstract: A fuel cell system includes a water supply unit configured to supply water from a first water storage unit to a second water storage unit, and a water usage unit uses water in the second water storage unit. The first and second water storage units store produced water form the fuel cell. When the amount of water stored in the first water storage unit exceeds a first predetermined value and the amount of water stored in the second water storage unit is smaller than a second predetermined value, water is supplied from the first water storage unit to the second water storage unit. When water is being used by the water usage unit, water is supplied from the first water storage unit to the second water storage unit even when the amount of water stored in the second water storage unit is not smaller than the second predetermined value.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: February 9, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuichi Sakajo, Takashi Koyama, Ryo Yoshioka, Takahiro Yamafuji
  • Patent number: 10910657
    Abstract: A fuel cell separator having high corrosion resistance even in an environment where fluoride ions are present, which is a fuel cell separator comprising a metal base material, a tin oxide film provided on a surface of the metal base material, and a conductive polymer film provided at least on an area exposed due to a defect present on the tin oxide film on the surface of the metal base material.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 2, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Satoshi Takata
  • Patent number: 10903490
    Abstract: Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in an internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: January 26, 2021
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jong Seung Shin, Dong Hee Kim, Suk Yong Jeon, Hyun Jong Yu, Kyoung Jun Lee, Young Nam Park
  • Patent number: 10886542
    Abstract: The invention relates to a fuel cell (2) comprising at least one membrane electrode assembly (10) and at least one flow field plate (40) comprising a separator plate (50). The flow field plate (40) has at least one structural part (51, 52) which comprises a base body (60) in which recesses (65) are introduced, and vanes (61, 62) which extend from sides (70, 72) of the recesses (65) and extend to the at the least one membrane electrode assembly (10).
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: January 5, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Ulrich Berner, Stefan Schoenbauer