Patents Examined by Heng Chan
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Patent number: 8546023Abstract: 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: GrantFiled: April 10, 2008Date of Patent: October 1, 2013Assignee: LG Chem, Ltd.Inventors: Jiwon Park, Jae Seung Oh, Byoung-bae Lee, Shin Jung Choi, Jaeduk Park
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Patent number: 8546040Abstract: 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: GrantFiled: December 5, 2007Date of Patent: October 1, 2013Assignee: Canon Kabushiki KaishaInventor: Akiyoshi Yokoi
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Patent number: 8545784Abstract: 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: GrantFiled: October 20, 2006Date of Patent: October 1, 2013Assignee: Neo International Corp.Inventors: Dimitrios Psaras, Weidong Shi, Ronghau Zhu, Rui Xiao
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Patent number: 8535818Abstract: 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: GrantFiled: October 30, 2009Date of Patent: September 17, 2013Assignee: GM Global Technology Operations LLCInventor: Stephen J. Harris
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Patent number: 8535838Abstract: 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: GrantFiled: July 30, 2010Date of Patent: September 17, 2013Assignee: Industrial Technology Research InstituteInventors: 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
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Patent number: 8518597Abstract: 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: GrantFiled: January 14, 2008Date of Patent: August 27, 2013Assignee: Dai Nippon Printing Co., Ltd.Inventor: Masashi Hiromitsu
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Patent number: 8512898Abstract: 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: GrantFiled: September 22, 2008Date of Patent: August 20, 2013Assignees: SANYO Electronics Co., Ltd., TORAY Industries, Inc.Inventors: Yasunori Baba, Naoki Imachi, Atsushi Nakajima, Michihiko Irie, Masanori Nakamura
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Patent number: 8512911Abstract: 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: GrantFiled: October 24, 2006Date of Patent: August 20, 2013Assignee: Societe BICInventors: Andrew J Curello, Paul Spahr, Floyd Fairbanks, Michael Curello
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Patent number: 8507117Abstract: 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: GrantFiled: July 22, 2010Date of Patent: August 13, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Satoshi Goto, Hiroshi Hamaguchi, Yoshiyuki Ryogoku, Aiko Nagano, Takashi Kuzuya
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Patent number: 8481849Abstract: 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 modType: GrantFiled: March 30, 2005Date of Patent: July 9, 2013Assignee: The Yokohama Rubber Co., Ltd.Inventors: Tsukasa Maruyama, Yuko Sekine
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Patent number: 8475968Abstract: 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: GrantFiled: November 12, 2009Date of Patent: July 2, 2013Assignee: Ramot at Tel-Aviv University Ltd.Inventors: Fernando Patolsky, Boris Filanovsky, Eran Granot
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Patent number: 8449663Abstract: 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: GrantFiled: August 31, 2005Date of Patent: May 28, 2013Assignee: ZEP IP Holding LLCInventor: Kim R. Smith
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Patent number: 8445157Abstract: 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: GrantFiled: August 22, 2012Date of Patent: May 21, 2013Assignee: Bloom Energy CorporationInventors: Dien Nguyen, Ian Russell, Matthias Gottmann, Deepak Bose, Darren Hickey, Stephen Couse
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Patent number: 8435699Abstract: 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: GrantFiled: March 11, 2008Date of Patent: May 7, 2013Assignee: Samsung SDI Co., Ltd.Inventor: Chan-Gyun Shin
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Patent number: 8426072Abstract: 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: GrantFiled: May 20, 2009Date of Patent: April 23, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Sho Usami, Yasushi Araki
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Patent number: 8404378Abstract: 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: GrantFiled: April 28, 2010Date of Patent: March 26, 2013Assignee: Daramic LLCInventors: J. Kevin Whear, Eric H. Miller, Salvatore Cardillo, Daniel Dreyer
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Patent number: 8398954Abstract: 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: GrantFiled: September 10, 2007Date of Patent: March 19, 2013Assignee: Breton SpaInventor: Pavel S. Gordienko
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Patent number: 8377587Abstract: 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: GrantFiled: March 19, 2010Date of Patent: February 19, 2013Assignee: Taiwan Hopax Chems, Mfg. Co., Ltd.Inventors: Chih-Wei Huang, Li-Jane Her, Jou-Yeh Su
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Patent number: 8377581Abstract: 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: GrantFiled: March 27, 2009Date of Patent: February 19, 2013Assignee: GM Global Technology Operations LLCInventors: Alastair Gordon Anderson, Marc Reischmann, Manfred Herrmann, Erik Heil, Michael Kueffe
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Patent number: 8367269Abstract: 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: GrantFiled: March 9, 2006Date of Patent: February 5, 2013Assignees: Kabushikikaisha Equos Research, Toyota Auto Body KabushikikaishaInventors: Noriyuki Takada, Kenji Kato, Yoshihiro Tamura, Toshihiko Nonobe