Patents Examined by Rena Dye
  • Patent number: 10340508
    Abstract: The invention demonstrates that only 2% functional conductive polymer binder without any conductive additives was successfully used with a micron-size silicon monoxide (SiO) anode material, demonstrating stable and high gravimetric capacity (>1000 mAh/g) for ˜500 cycles and more than 90% capacity retention. Prelithiation of this anode using stabilized lithium metal powder (SLMP®) improves the first cycle Coulombic efficiency of a SiO/NMC full cell from ˜48% to ˜90%. This combination enables good capacity retention of more than 80% after 100 cycles at C/3 in a lithium-ion full cell. We also demonstrate the important connection between porosity and the loading of silicon electrodes. By employing a highly porous silicon electrode, a high areal capacity (3.3 mAh/cm2) is obtained. This method works well to achieve high loading of other high-capacity alloy anodes, the state-of-art graphite anode, as well as a high loading of positive electrodes for LIBs.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: July 2, 2019
    Assignee: The Regents of the University of California
    Inventors: Gao Liu, Hui Zhao
  • Patent number: 10333187
    Abstract: A secondary battery has: a box body having a heat insulating structure, the box body having an opening on the upper surface thereof and an assembled battery housed therein; a lid body having a heat insulating structure, the lid body sealing the opening of the box body; and a duct which is installed at least between the box body and the lid body and inside which a fluid circulates.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: June 25, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Keiichi Wakida, Koji Hoshino, Shinichiro Osaka
  • Patent number: 10333166
    Abstract: Provided is a catalyst for fuel cell which has a high catalytic activity and enables maintaining the high catalytic activity. Disclosed is an electrode catalyst for fuel cell comprising a catalyst carrier containing carbon as a main component and a catalytic metal supported on the catalyst carrier, wherein the catalyst has the R? (D?/G intensity ratio) of 0.6 or less, which is the ratio of D? band peak intensity (D? intensity) measured in the vicinity of 1620 cm?1 relative to G band peak intensity (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy, and the volume ratio of a water vapor adsorption amount relative to a nitrogen adsorption amount at a relative pressure of 0.5 in adsorption isotherm is 0.15 or more and 0.30 or less.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: June 25, 2019
    Assignees: NISSAN MOTOR CO., LTD., NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Shinichi Takahashi, Tetsuya Mashio
  • Patent number: 10320020
    Abstract: The present invention relates to an electrode catalyst for fuel cell containing a catalyst carrier having carbon as a main component and a catalytic metal carried on the catalyst carrier, wherein the electrode catalyst for fuel cell has a ratio R? (D?/G intensity ratio) of a peak intensity of D? band (D? intensity) measured in the vicinity of 1620 cm?1 to a peak intensity of G band (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy of more than 0.6 and 0.8 or less, and satisfies at least one of the (a) to (d). According to the present invention, an electrode catalyst for fuel cell excellent in gas transportability is provided.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: June 11, 2019
    Assignees: NISSAN MOTOR CO., LTD., NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Shinichi Takahashi, Tetsuya Mashio, Norifumi Horibe, Atsushi Ohma
  • Patent number: 10319965
    Abstract: A battery cell holder member, including a main body including a plurality of accommodating portions accommodating ends of a plurality of battery cells, respectively, and a partition separating the plurality of accommodating portions; at least one stopper portion on a first side of the partition; and at least one engaging portion on a second side of the partition.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young Min Oh, No Hyun Kwag
  • Patent number: 10312550
    Abstract: This invention relates to a lithium-sulfur battery and a method of manufacturing the same, and more particularly, to a molten salt-based lithium-sulfur battery and a method of manufacturing the same, in which a metal foam including lithium or a lithium alloy, as an anode active material, and sulfur or metal sulfide, as a cathode active material, is used as a support and a current collector, and a solid-state electrolyte is used to thus improve energy density and power output characteristics.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: June 4, 2019
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Hae-Won Cheong, Chae-Nam Im, Ji-Youn Kim, Sung-Ho Kang, Jang-Hyeon Cho
  • Patent number: 10276864
    Abstract: The anode active material of the present invention comprises silicon-based particles obtained from at least one of silicon, a silicon oxide and a silicon alloy, and the silicon-based particles have a faceted shape, thereby providing high capacity and good life characteristics without causing any deterioration which has been generated in the use of conventional silicon-based particles, and eventually providing a lithium secondary battery having such characteristics.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: April 30, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yong-Ju Lee, Yoon-Ah Kang, Je-Young Kim, Seung-Youn Choi, Mi-Rim Lee, Hye-Ran Jung, Jung-Woo Yoo
  • Patent number: 10270141
    Abstract: Disclosed embodiments include thermoelectric-based thermal management systems and methods configured to heat and/or cool an electrical device. Thermal management systems can include at least one electrical conductor in electrical and thermal communication with a temperature-sensitive region of the electrical device and at least one thermoelectric device in thermal communication with the at least one electrical conductor. Electric power can be directed to the thermoelectric device by the same electrical conductor or an external power supply, causing the thermoelectric device to provide controlled heating and/or cooling to the electrical device via the at least one electrical conductor. The thermoelectric management system can be integrated with the management system of the electrical device on a printed circuit substrate.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: April 23, 2019
    Assignee: Gentherm Incorporated
    Inventors: Alfred Piggott, Dmitri Kossakovski, Todd Robert Barnhart
  • Patent number: 10263290
    Abstract: It is an object of the present invention to provide a nonaqueous electrolyte secondary battery in which swelling due to charge-discharge cycling is inhibited. The nonaqueous electrolyte secondary battery including a flat electrode assembly in which a first electrode plate and a second electrode plate having a different polarity from the first electrode plate are wound with a separator provided therebetween.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: April 16, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Shunsuke Mitani, Satoshi Yamamoto, Yasunori Watanabe, Kentaro Takahashi, Masaki Deguchi, Yuta Ichikawa, Masaya Ugaji
  • Patent number: 10263293
    Abstract: Provided is a method of preparing a lithium secondary battery which may simultaneously improve output characteristics and lifetime characteristics of the lithium secondary battery by preparing an electrode on which an SEI film is formed through a pretreatment process, putting an electrode assembly including the electrode in a battery case, and injecting an electrolyte thereinto.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 16, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sung Hoon Yu, Yoo Sun Kang, Kyung Mi Lee
  • Patent number: 10256508
    Abstract: The invention aims to allow carbon dioxide, which is generated upon decomposition of lithium carbonate contained in a positive electrode mixture layer, to easily flow toward the outside of a flat wound electrode body, and further aims to rapidly raise the pressure inside a battery and to reliably operate a pressure-sensitive current interrupt mechanism before the temperature inside the battery rises to such an extent as causing an abnormal state, e.g., smoking, firing, or a burst. A nonaqueous electrolyte secondary battery (10) according to one embodiment of the present invention includes a pressure-sensitive current interrupt mechanism.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: April 9, 2019
    Assignee: SANYO ELECTRIC CO., LTD.
    Inventor: Eiji Okutani
  • Patent number: 10230126
    Abstract: A fuel cell stack assembly (101) comprising a fuel cell stack (102) comprising one or more fuel cells and a retaining member (100) comprising a first engaging region (104) that engages a first end face (110) of the fuel cell stack (102), a second engaging region (106) that engages a second opposing end face (112) of the fuel cell stack (102, and a joining region (108) configured to bias the first engaging region (104) towards the second engaging region (106). The retaining member (106) defines a fluid chamber (118) for communicating a fluid to or from the fuel cell stack (102).
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: March 12, 2019
    Assignee: INTELLIGENT ENERGY LIMITED
    Inventor: Mark Phillip Horlock
  • Patent number: 10218028
    Abstract: In accordance with one embodiment an electrochemical cell system includes a housing, at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte, a temperature sensor within the housing, and an environmental controller at least partially positioned within the housing and configured to maintain a temperature within the housing at least 50° C. above ambient based upon input from the temperature sensor.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: February 26, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Paul Albertus, John F. Christensen, Timm Lohmann, Boris Kozinsky
  • Patent number: 10211470
    Abstract: Various examples are provided for operational control of fuel cells. In one example, among others, a system for controlling a fuel cell includes a stack temperature controller in cascade with a liquid level controller. The liquid level controller can provide a control output based at least in part upon an indication of a liquid level of a liquid fuel tank and a level reference. The stack temperature controller can provide a fan speed control output based at least in part upon an indication of a stack temperature of the fuel cell and the control output of the liquid level controller. In another example, a system for estimating methanol concentration of a fuel cell system includes a state observer that generates an estimate of the methanol concentration of fuel provided to a direct methanol fuel cell based upon a plurality of states of the fuel cell system.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: February 19, 2019
    Assignee: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.
    Inventors: Oscar D. Crisalle, Mohammad A. R. Biswas, Shyam Prasad Mudiraj, William E. Lear, Jr.
  • Patent number: 10193143
    Abstract: A negative electrode active material for an electricity storage device of the present invention includes TiO2, Na2O, and a network-forming oxide.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: January 29, 2019
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Hideo Yamauchi
  • Patent number: 10170754
    Abstract: The present invention relates to a silicon monoxide composite negative electrode material, which comprises silicon monoxide substrate. Nano-Silicon material uniformly deposited on the silicon monoxide substrate and nanoscale conductive material coating layer on the surface of the silicon monoxide/Nano-Silicon. The preparation method of the silicon monoxide composite negative electrode material includes Nano-Silicon chemistry vapor deposition, nanoscale conductive material coating modification, screening and demagnetizing. The silicon monoxide composite negative electrode material has properties of high specific capacity (>1600 mAh/g), high charge-discharge efficiency of the first cycle (>80%) and high conductivity.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: January 1, 2019
    Assignee: Shenzhen BTR New Energy Materials Inc.
    Inventors: Jianguo Ren, Dexin Yu, Min Yue
  • Patent number: 10164249
    Abstract: The present invention provides a positive active material for use in a secondary lithium battery, a method for preparing the positive active material and a secondary lithium battery containing the positive active material. The positive active material includes a core of lithium transition metal oxide represented by Formula LixMyN1-yO2-?A? and a coating layer of lithium transition metal silicate represented by Formula x?Li2O.y?N?Oa.SiO2-?B?which in-situ formed on the core, wherein 0.8?x?1.3, 0.6?y?1.0, 0.01?x??2.1, 0.2?y??1.5, 0.1?a?3.0, 0???0.2, 0???0.4, 0???0.5, 0???0.5. The positive active material according to the present invention has high capacity, desirable cycling performance and safety performance, as well as desirable thermal stability.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: December 25, 2018
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Xiangpeng Fang, Chengren Wu, Na Liu, Xuguang Gao
  • Patent number: 10135074
    Abstract: The present invention is to provide a carbon powder that can provide a catalyst having excellent durability and a catalyst. A carbon powder for catalyst of the present invention is a carbon powder containing as a main component carbon, which has a BET specific surface area per unit weight of 900 m2/g or greater, and a ratio R? (D?/G intensity ratio) of peak intensity for a D?-band (D? intensity) measured in the vicinity of 1620 cm?1 to peak intensity for a G-band (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy of 0.6 or less.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: November 20, 2018
    Assignees: NISSAN MOTOR CO., LTD., NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Shinichi Takahashi, Atsushi Ohma, Tetsuya Mashio, Ken Akizuki
  • Patent number: 10103360
    Abstract: The present invention includes a battery cell, and a module case that contains the battery cell. The battery cell is formed in a flat shape in which a laminate current collector in which a positive current collector and a negative current collector are laminated or wound with a separator interposed therebetween, and an electrolytic solution are contained in a packaging body. The module case includes a deformation part swelling toward a principal surface side of the battery cell, at a position that faces the principal surface of the battery cell in the flat shape, and the deformation part is formed so as to be able to swell toward the outside of the module case when the battery cell expands.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: October 16, 2018
    Assignee: NEC ENERGY DEVICES, LTD.
    Inventor: Shoichiro Shiraishi
  • Patent number: 10096864
    Abstract: A nonaqueous electrolyte secondary battery includes a pressure-sensitive current interrupt mechanism, and a flat wound electrode body that is inserted in an outer casing with a winding axis of the flat wound electrode body arranged to extend in a horizontal direction. A positive electrode plate, a negative electrode plate, and a separator in a winding end portion of the flat wound electrode body are all directed toward a top side.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: October 9, 2018
    Assignee: SANYO ELECTRIC CO., LTD.
    Inventors: Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma