Patents Examined by Heng Chan
  • Patent number: 8546023
    Abstract: Disclosed is a secondary battery including a cathode, an anode, a separator, and an electrolyte, wherein the electrolyte includes a ternary eutectic mixture prepared by adding (c) a carbonate-based compound to a eutectic mixture containing (a) an amide group-containing compound and (b) an ionizable lithium salt, and the carbonate-based compound is included in an amount of less than 50 parts by weight based on 100 parts by weight of the electrolyte. The use of the disclosed ternary eutectic mixture having flame resistance, chemical stability, high conductivity, and a broad electrochemical window, as the electrolyte material, improves both the thermal stability and quality of the battery.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: October 1, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Jiwon Park, Jae Seung Oh, Byoung-bae Lee, Shin Jung Choi, Jaeduk Park
  • Patent number: 8546040
    Abstract: In forming a fuel cell stack by stacking a plurality of fuel cell units, in order to provide a fuel cell in which the fuel cell stack can be stably bound, the supply of fuel and conduction of respective cells can be surely performed, and stable power generation is possible, the fuel cell includes a fuel cell stack 2 formed by stacking a plurality of fuel cell units 3 having a fuel electrode 33 and an oxidizer electrode 43. The oxidizer electrode has, in a plane orthogonal to a stacking direction of the fuel cell units, an elastic member (an oxidizer electrode diffusion layer) 41 that is arranged in parallel to a rigid supporting member 14 and has electrical conductivity.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: October 1, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Akiyoshi Yokoi
  • Patent number: 8545784
    Abstract: A method for the synthesis of rare earth containing phosphates of the LaPO4:Ce,Tb type comprising providing an initial charge of phosphate having a pH above 2 to a reactor; subsequently commencing introduction of a rare earth solution to the reactor, and subsequently, continuing to introduce both the phosphate and the rare earth solution to the reactor to form a mixture; whereby a rare earth phosphate precipitate is produced, at least a portion of which is precipitated while the pH of the mixture is less than 2.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: October 1, 2013
    Assignee: Neo International Corp.
    Inventors: Dimitrios Psaras, Weidong Shi, Ronghau Zhu, Rui Xiao
  • Patent number: 8535818
    Abstract: One embodiment includes a method including use of a manifold connected to one or more pouches for rejuvenating failed or degraded pouch-type lithium-ions batteries.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: September 17, 2013
    Assignee: GM Global Technology Operations LLC
    Inventor: Stephen J. Harris
  • Patent number: 8535838
    Abstract: A power supply device is provided. The power supply device includes a fuel cell, a hydrogen generator, a check valve and an exhaust valve. The fuel cell has a hydrogen inlet and a hydrogen outlet. The hydrogen generator is connected to the hydrogen inlet and used for generating hydrogen. The check valve is disposed in the hydrogen inlet and used for preventing the hydrogen within the fuel cell from flowing to the hydrogen generator, and preventing exterior air from entering the fuel cell. The exhaust valve is disposed in the hydrogen outlet for exhausting the hydrogen within the fuel cell.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: September 17, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Jie-Ren Ku, Chan-Li Hsueh, Ya-Yi Hsu, Fang-hei Tsau, Reiko Ohara, Shing-Fen Tsai, Chien-Chang Hung, Ming-Shan Jeng, Cheng-Yen Chen
  • Patent number: 8518597
    Abstract: The present invention provides a catalytic layer-electrolytic membrane laminate for an unhumidified-type fuel cell, comprising an electrolytic membrane containing a strong acid; a conductive layer formed on one surface or both surfaces of the electrolytic membrane; and a catalytic layer formed on the conductive layer; wherein the conductive layer is formed of a fluorine-containing resin and carbon powder, and the conductive layer is thinner than the electrolytic membrane. The present invention provides a catalytic layer-electrolytic membrane laminate for an unhumidified-type fuel cell that can be practically used.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: August 27, 2013
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Masashi Hiromitsu
  • Patent number: 8512898
    Abstract: To obtain a separator for a nonaqueous electrolyte battery that has an excellent nonaqueous electrolyte permeability into an electrode and an excellent electrolyte retentivity of the electrode and achieves a large capacity, a high energy density and a good high-temperature charge characteristic. A separator 3 used for a nonaqueous electrolyte battery is formed by disposing a porous layer 2 made of inorganic fine particles and a resin binder on a porous separator substrate 1, the resin binder is made of at least one resin selected from the group consisting of polyimide resins, polyamide resins and polyamideimide resins and the molecular chain of the resin has a halogen atom content of 10% to 30% by weight, and the content of the resin binder in the porous layer is 5% by weight or more.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: August 20, 2013
    Assignees: SANYO Electronics Co., Ltd., TORAY Industries, Inc.
    Inventors: Yasunori Baba, Naoki Imachi, Atsushi Nakajima, Michihiko Irie, Masanori Nakamura
  • Patent number: 8512911
    Abstract: A fuel supply (1) including a cover (2) having an opening (8) for access to the fuel. The cover (2) includes a shutter (12) or similar element for closing off the opening (8) to increase the operational resistance to the insertion and/or removal of the fuel supply (1). In one embodiment, the cover (1) includes a support (6) with a rotatable cap (4), where the rotation of the cap causes the shutter (12) to open. In another embodiment, the cover includes a base and a slidable cap, where the slidable cap is the shutter. The shutter (12) may be manually actuated, mechanically actuated or electrically actuated. The cover (2) may be biased to the open position or to the closed position.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: August 20, 2013
    Assignee: Societe BIC
    Inventors: Andrew J Curello, Paul Spahr, Floyd Fairbanks, Michael Curello
  • Patent number: 8507117
    Abstract: Provided are a lithium-ion secondary battery capable of measuring the concentration of lithium ions in an stored electrolyte in a predetermined portion, an assembled battery using the same, a vehicle and a battery-equipped device equipped with the battery or the assembled battery, a battery system capable of acquiring the concentration-correlated physical quantity in the lithium-ion secondary battery, and a method for detecting the deterioration of the lithium-ion secondary battery. A lithium-ion secondary battery comprises a power generation element including a positive electrode plate and a negative electrode plate, a battery case housing the power generation element, and an electrolyte containing lithium ions and held in the battery case, and further comprises a stored-electrolyte physical quantity measuring means capable of measuring the concentration-correlated physical quantity having a correlation to the concentration of lithium ions in the stored electrolyte stored between the element and the case.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: August 13, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Satoshi Goto, Hiroshi Hamaguchi, Yoshiyuki Ryogoku, Aiko Nagano, Takashi Kuzuya
  • Patent number: 8481849
    Abstract: An electrolyte for a photovoltaic device including (i) a layered clay mineral and/or an organically modified layered clay mineral and (ii) an ionic liquid as well as a photovoltaic device including a photoelectrode including a transparent conducting layer and a metal oxide semiconductor mesoporous film using, as an electrolyte layer, the same, a counter electrode facing this photoelectrode and an electrolyte layer arranged between the photoelectrode and the counter electrode as well as a dye-sensitized solar cell composed of a photovoltaic device and a photosensitizer carried on a metal oxide semiconductor mesoporous film of the photovoltaic device, wherein the conductive substrate is obtained by coating, on a conductive substrate, a conductive polyaniline dispersion stably dispersed in an organic solvent including (A) a polyaniline obtained by polymerization of aniline or an aniline derivative, (B) a sulfonic acid compound and/or (C) an organic polymer having a protonic acid group, (D) a molecular weight mod
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: July 9, 2013
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Tsukasa Maruyama, Yuko Sekine
  • Patent number: 8475968
    Abstract: A fueled cell system comprising: an anode compartment comprising a compound having the formula R1R2N—NR3R4, a salt, a hydrate or a solvate thereof, as fuel, and a catalyst layer which comprises copper or a copper alloy; a cathode compartment comprising an oxidant; and a separator interposed between said cathode and said anode compartments, wherein each of R1-R4 is independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, heteroalicyclic, alkoxy, carboxy, ketone, amide, hydrazide and amine, provided that at least one of R1-R4 is hydrogen.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: July 2, 2013
    Assignee: Ramot at Tel-Aviv University Ltd.
    Inventors: Fernando Patolsky, Boris Filanovsky, Eran Granot
  • Patent number: 8449663
    Abstract: A wax composition is provided according to the invention. The wax composition includes a wax component, a double tail surfactant component, and water. The weight ratio of the wax component to the double tail surfactant component, on a solids basis, is about 0.1 to about 1.25. A foam wax composition and a method for waxing are provided.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: May 28, 2013
    Assignee: ZEP IP Holding LLC
    Inventor: Kim R. Smith
  • Patent number: 8445157
    Abstract: An interconnect for a fuel cell stack includes a first set of gas flow channels in a first portion of the interconnect, and a second set of gas flow channels in second portion of the interconnect. The channels of the first set have a larger cross sectional area than the channels of the second set.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: May 21, 2013
    Assignee: Bloom Energy Corporation
    Inventors: Dien Nguyen, Ian Russell, Matthias Gottmann, Deepak Bose, Darren Hickey, Stephen Couse
  • Patent number: 8435699
    Abstract: A fuel cartridge capable of supplying two fuels to an anode of a fuel cell body without using a pump, a direct methanol fuel cell having the same, and a method of purging a direct methanol fuel cell using the fuel cartridge, fuel cartridge according to one exemplary embodiment comprising a first storage unit having a first port for entrance and exit of a fluid and storing a liquid first fuel; and a second storage unit having a second port for entrance and exit of a fluid and filling a second fuel at a constant pressure, wherein the first fuel is discharged into the first port by the pressure of the second fuel.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: May 7, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Chan-Gyun Shin
  • Patent number: 8426072
    Abstract: A hydrogen circulation type fuel cell system equipped with an electrochemical cell executes discharging an anode off-gas with impurities being condensed toward the outside of the system at a proper timing.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: April 23, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Sho Usami, Yasushi Araki
  • Patent number: 8404378
    Abstract: A battery separator for a lead acid (storage) battery is made from a thermoplastic sheet material. The sheet material has a central region flanked by peripheral regions. The central region includes a plurality of longitudinally extending ribs that are integrally formed from the sheet material. The peripheral regions are free of ribs and may include a densified structure. Also disclosed are a method of producing the foregoing separator, an envelope separator made from the sheet material, and a method of making the envelope separator.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: March 26, 2013
    Assignee: Daramic LLC
    Inventors: J. Kevin Whear, Eric H. Miller, Salvatore Cardillo, Daniel Dreyer
  • Patent number: 8398954
    Abstract: It is disclosed a process for the production of titanium dioxide comprising the following steps: (a) a titanium ore containing iron, preferably ilmenite, is reacted with an aqueous NH4F solution; (b) the aqueous suspension thus obtained is filtered with consequent separation of a sludge fraction, which contains ammonium fluoroferrates, and a filtrate fraction, which contains ammonium fluorotitanates; (c) the filtrate fraction thus obtained is subjected to an hydrolysis reaction; (d) the thus-obtained solid component is subjected to a thermal hydrolysis reaction. The plant and the reactors for performing the above process are also disclosed.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: March 19, 2013
    Assignee: Breton Spa
    Inventor: Pavel S. Gordienko
  • Patent number: 8377587
    Abstract: The present invention provides an electrolyte containing novel additive for electrochemical device and the electrochemical device thereof. The additive is a compound represented by below formula (I): wherein R is defined as herein; n is 2, 3, or 4. The additive of the present invention can protect the surface of the carbonaceous material on the anode, suppresses the occurrence of exfoliation, and therefore increases the lifetime of the electrochemical device. Furthermore, the additive of the present invention also slows down the decay of capacity on the cathode during charging-discharging cycles, and hence maintains a better performance.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: February 19, 2013
    Assignee: Taiwan Hopax Chems, Mfg. Co., Ltd.
    Inventors: Chih-Wei Huang, Li-Jane Her, Jou-Yeh Su
  • Patent number: 8377581
    Abstract: A battery system is provided for a vehicle. The battery system includes, but is not limited to, comprising: a heat transfer loop, a battery cell, a thermoelectric semiconductor device coupled to the battery cell and the heat transfer loop, a variable voltage source coupled to the thermoelectric semiconductor device, and a temperature sensor coupled to the battery cell. A controller is coupled to the variable voltage source and the temperature sensor and also configured to receive a signal indicative of a temperature of the battery cell from the temperature sensor and adjust a voltage of the variable voltage source applied to the thermoelectric semiconductor device based at least in part on an evaluation of the temperature.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: February 19, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Alastair Gordon Anderson, Marc Reischmann, Manfred Herrmann, Erik Heil, Michael Kueffe
  • Patent number: 8367269
    Abstract: A separator unit inserted into a fuel cell having an electrolyte layer interposed between a fuel electrode and an oxygen electrode is provided with a plate like separator that separates fuel gas supplied to the fuel electrode from oxidizing gas supplied to the oxygen electrode, and a mesh like collector having an opening that forms one of a passage through which the fuel gas flows and a passage through which the oxidizing gas flows. The collector is provided to at least one side of the separator base in abutment against one of the fuel electrode and the oxygen electrode. The separator base has a coolant passage formed therein, through which a coolant is allowed to flow, and an electrode abutment portion of the collector, which abuts against one of the fuel electrode and the oxygen electrode, has an aperture ratio higher than those of other portions of the collector.
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: February 5, 2013
    Assignees: Kabushikikaisha Equos Research, Toyota Auto Body Kabushikikaisha
    Inventors: Noriyuki Takada, Kenji Kato, Yoshihiro Tamura, Toshihiko Nonobe