Patents Issued in July 13, 2017
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Publication number: 20170200960Abstract: A fuel cell system comprising a fuel cell stack, an evaporator for evaporating a mixture of methanol and water to be forwarded through a catalytic reformer for producing portions of free hydrogen. The fuel cell stack being composed of a number of proton exchange membrane fuel cells each featuring electrodes in form of an anode and a cathode for delivering an electric current. The system provides an enhanced catalytic reformer for a fuel cell system, which enables a compact design of the reformer for integration into a flat, rack mountable system.Type: ApplicationFiled: July 16, 2015Publication date: July 13, 2017Applicant: SERENERGY A/SInventors: Anders Risum KORSGAARD, Mads BANG
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Publication number: 20170200961Abstract: Systems, methods, and devices are provided herein for removing a byproduct of a fuel cell from a vehicle. The vehicle comprises a fuel cell and a venting system. The fuel cell is in communication with a fuel storage container. The fuel is configured to generate electricity and a byproduct, by reacting a first fuel from the fuel storage container with a second fuel through an electrochemical reaction. The venting system is configured to expose the byproduct to forced convection.Type: ApplicationFiled: March 27, 2017Publication date: July 13, 2017Inventors: Dayang Zheng, Lei Wang, Wentao Wang, Juncheng Zhan, Bogao Xu
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Publication number: 20170200962Abstract: The present invention relates to a sulfonated polyetheretherketone (sPEEK) nanocomposite film containing silsesquioxane and exhibiting excellent proton conductivity and mechanical strength, and a method for manufacturing the same. The nanocomposite film of the present invention has excellent conductivity since multiple sulfonic acid groups as a proton source exist in POSS used as a filler. In addition, the POSS used in the present invention is very small, having a size of 1-2 nm, and thus hardly obstructs the migration of protons in the ion channel in the polymer membrane, thereby realizing excellent proton conductivity. In addition, the proton conductive nanocomposite film by the present invention shows excellent mechanical strength even though the degree of sulfonation of sulfonated polyetheretherketone is increased.Type: ApplicationFiled: July 2, 2015Publication date: July 13, 2017Inventors: Heewoo RHEE, Sangwoo KIM, Taeyung YOUN
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Publication number: 20170200963Abstract: The present disclosure provides a membrane stack that includes a first polymer layer, a second polymer layer, and a nanostructured carbon material layer between the first polymer layer and the second polymer layer. In certain embodiments, the nanostructured carbon material layer includes a plurality of nanostructured carbon material intercalated with one or more proton conducting material or coated with one or more solid superacid particles. In some other embodiments, the first polymer layer and the second polymer layer are capable of transporting protons. The membranes described herein can be used as polymer electrolyte membranes in fuel cells and electrolyzers.Type: ApplicationFiled: March 23, 2017Publication date: July 13, 2017Inventor: Ramesh SIVARAJAN
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Publication number: 20170200964Abstract: A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode. The electrolyte includes yttria stabilized zirconia and scandia stabilized zirconia, such as scandia ceria stabilized zirconia.Type: ApplicationFiled: January 26, 2017Publication date: July 13, 2017Inventors: Dien NGUYEN, Ravi OSWAL, Tad ARMSTRONG, Emad EL BATAWI
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Publication number: 20170200965Abstract: An electrolyte-circulating battery in which the electrolyte temperature is easily controlled is provided. An electrolyte-circulating battery includes a battery cell and a circulation channel that circulates an electrolyte to the battery cell. The electrolyte-circulating battery comprises a heat exchanger installed in the circulation channel and configured to cool the electrolyte; a bypass flow channel that connects an electrolyte inflow side and an electrolyte outflow side of the heat exchanger to each other so as to bypass the heat exchanger and a flow rate variable mechanism capable of varying a flow rate of the electrolyte flowing through the heat exchanger and a flow rate of the electrolyte flowing through the bypass flow channel.Type: ApplicationFiled: May 12, 2015Publication date: July 13, 2017Inventor: Keiji Yano
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Publication number: 20170200966Abstract: The present invention generally relates to energy storage devices, and to metal sulfide energy storage devices in particular. Some aspects of the invention relate to energy storage devices comprising at least one flowable electrode, wherein the flowable electrode comprises an electroactive metal sulfide material suspended and/or dissolved in a carrier fluid. In some embodiments, the flowable electrode further comprises a plurality of electronically conductive particles suspended and/or dissolved in the carrier fluid, wherein the electronically conductive particles form a percolating conductive network. An energy storage device comprising a flowable electrode comprising a metal sulfide electroactive material and a percolating conductive network may advantageously exhibit, upon reversible cycling, higher energy densities and specific capacities than conventional energy storage devices.Type: ApplicationFiled: December 21, 2016Publication date: July 13, 2017Applicant: Massachusetts Institute of TechnologyInventors: Yet-Ming Chiang, William Henry Woodford, Frank Y. Fan, Zheng Li, Nir Baram, Kyle C. Smith, W. Craig Carter, Gareth H. McKinley, Ahmed Helal
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Publication number: 20170200967Abstract: A fuel cell system includes a fuel cell stack and a stack case. The fuel cell stack includes power generation cells, a first end and a second end, a first side and a second side, and a top side and a bottom side. The stack case contains the fuel cell stack therein. The stack case includes a first end plate, a second end plate, a first side plate, a second side plate, a top cover plate, a bottom cover plate, and sealing members. Each of the sealing members is disposed between the first side plate and the first end plate, between the first side plate and the second end plate, between the second side plate and the first end plate, and between the second side plate and the second end plate. Each of the sealing members includes an end portion. The end portion has a T-shape.Type: ApplicationFiled: January 12, 2017Publication date: July 13, 2017Applicant: HONDA MOTOR CO., LTD.Inventor: Hideharu NAITO
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Publication number: 20170200968Abstract: An integrated metal-and-plastic molded article includes a metal plate having a first surface and a second surface in the thickness direction, a first plastic portion on the first surface, a second plastic portion on the second surface, a through-hole that extends through the metal plate in the thickness direction and opens in the first surface and the second surface, and an intermediate plastic portion arranged to fill the through-hole and to be continuous with the first plastic portion and the second plastic portion.Type: ApplicationFiled: January 5, 2017Publication date: July 13, 2017Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventor: Kunihiro YAMAURA
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Publication number: 20170200969Abstract: A battery is provided. The battery includes a pressurized gas circulating system and a reaction chamber. The reaction chamber includes a housing and a metal core disposed within the housing. The pressurized gas circulating system at least includes a high pressure storage tank. A delivery line fluidly connects the high pressure storage tank to the housing. An exhaust line fluidly connects the housing to the pressurized gas circulating system. The battery further includes a cathode terminal and an anode terminal.Type: ApplicationFiled: November 2, 2016Publication date: July 13, 2017Inventor: Mathew Steven Musick
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Publication number: 20170200970Abstract: A battery includes: an electrode body; and an external body which is formed by overlapping a first sheet and a second sheet, and in which the electrode body is accommodated. The external body includes an accommodation portion which is formed in the first sheet, and which accommodates the electrode body therein, and a circumferential edge portion in which the first sheet and the second sheet overlap each other around the accommodation portion. The inside of the accommodation portion is sealed in a state where the first sheet and the second sheet are welded to each other in the circumferential edge portion.Type: ApplicationFiled: January 5, 2017Publication date: July 13, 2017Inventors: Tsuneaki TAMACHI, Shunji WATANABE
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Publication number: 20170200971Abstract: A solid-phase electrolyte is provided having a magnesium salt. The salt contains a magnesium cation and a boron cluster anion and can include an ether or other weakly-coordinating molecule in dative interaction with the magnesium cation. A magnesium electrochemical cell is also provided. The magnesium electrochemical cell includes the solid-phase electrolyte, and also includes an anode in ionic communication with the solid-phase electrolyte. The anode, when charged, contains reduced magnesium.Type: ApplicationFiled: October 24, 2016Publication date: July 13, 2017Inventors: Fuminori Mizuno, Rana Mohtadi, Oscar Tutusaus, Maximilian Fichtner, Zhiron Zhao-Karger
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Publication number: 20170200972Abstract: A method for producing a sulfide all-solid-state battery with a high capacity retention rate, and a sulfide all-solid-state battery with a high capacity retention rate. The method for producing a sulfide all-solid-state battery may comprise forming a sulfide all-solid-state battery, initially charging the sulfide all-solid-state battery after the forming of the sulfide all-solid-state battery, and exposing the sulfide all-solid-state battery to an oxygen-containing gas atmosphere at at least any one of a time of the initially charging of the sulfide all-solid-state battery and a time after the initially charging of the sulfide all-solid-state battery.Type: ApplicationFiled: December 13, 2016Publication date: July 13, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hajime HASEGAWA, Norihiro OSE, Kengo HAGA, Mitsutoshi OTAKI, Keisuke OMORI, Takeshi TOJIGAMORI
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Publication number: 20170200973Abstract: A secondary battery includes: a cathode; an anode; and an electrolytic solution including a cyano compound, the cyano compound including a compound represented by R1-O—C(?O)—O—R2 (R1, R2, or both include a cyano-group-containing group), a compound represented by R3-C(?O)—O—R4 (R4 includes the cyano-group-containing group), or both.Type: ApplicationFiled: March 27, 2017Publication date: July 13, 2017Inventors: Masayuki Ihara, Tadahiko Kubota
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Publication number: 20170200974Abstract: An electrolyte solution capable of providing electrochemical devices whose internal resistance is less likely to increase even after repeated charge and discharge and whose cycle capacity retention ratio is high. The electrolyte solution contains a solvent, an electrolyte salt, and at least one selected from the group consisting of compounds represented by R11X11—SO3M11 and compounds represented by R21R22N—SO3M21 in an amount of 0.001 to 10 mass % relative to the solvent.Type: ApplicationFiled: July 8, 2015Publication date: July 13, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Atsushi MARUO, Hideo SAKATA, Shinichi KINOSHITA
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Publication number: 20170200975Abstract: An electrochemical cell including at least one nitrogen-containing compound is disclosed. The at least one nitrogen-containing compound may form part of or be included in: an anode structure, a cathode structure, an electrolyte and/or a separator of the electrochemical cell. Also disclosed is a battery including the electrochemical cell.Type: ApplicationFiled: February 10, 2017Publication date: July 13, 2017Applicant: Sion Power CorporationInventors: Zhaohui Liao, Chariclea Scordilis-Kelley, Yuriy V. Mikhaylik
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Publication number: 20170200976Abstract: An object of the present invention is to provide a non-aqueous electrolytic solution which can improve a non-aqueous electrolyte secondary battery in high-temperature storage characteristics and load characteristics, and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution. The present invention is directed to a non-aqueous electrolytic solution for use in a non-aqueous electrolyte secondary battery which comprises a positive electrode and a negative electrode each being capable of having occluded therein and releasing metal ions, wherein the non-aqueous electrolytic solution contains an electrolyte, a non-aqueous solvent, and a compound represented by the following general formula (A): wherein each of R1, R2, and Y represents a hydrocarbon group having 1 to 12 carbon atoms and optionally having a substituent, and X represents a hydrogen or fluorine atom, wherein R1, R2, and Y are the same or different.Type: ApplicationFiled: March 28, 2017Publication date: July 13, 2017Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Eiji NAKAZAWA, Shuhei SAWA
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Publication number: 20170200977Abstract: The present invention relates to a lithium-sulphur cell comprising an anode comprising lithium metal or lithium metal alloy;a cathode comprising a mixture of electroactive sulphur material and solid electroconductive material; and a liquid electrolyte comprising at least one lithium salt and a solvent comprising a dinitrile.Type: ApplicationFiled: May 21, 2015Publication date: July 13, 2017Inventors: Sebastian Desilani, Ashley Cooke, Gregory Schmidt
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Publication number: 20170200978Abstract: An electrochemical cell includes a negative electrode, a positive electrode, an aluminum current collector that is connected to the positive electrode in an electrically conductive manner, and an electrolyte. The electrolyte includes non-ionic organic compounds present in an amount of less than 1.0 wt % of the total electrolyte, and an ionic liquid as a solvent. The ionic liquid is present in the electrolyte in an amount of at least 80 wt % of all electrolytes. In addition, the ionic liquid includes a cation of the formula: and an anion of the formula: Furthermore, the ionic liquid includes a conducting salt containing: The electrolyte has less than 0.5 wt % of PF6?. The aluminum current collector is provided with a protective layer comprising AlF3.Type: ApplicationFiled: March 24, 2017Publication date: July 13, 2017Inventors: Jakub REITER, Philipp OBERHUMER
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Publication number: 20170200979Abstract: The present invention relates to a cable-type secondary battery which can be freely transformed, and more specifically, to a cable-type secondary battery having improved flexibility of the battery by preventing wrinkling, which may occur on a thin metal layer included in packaging. According to the present invention, the flexibility of an electrode can be drastically improved by introducing a support layer on at least one surface of a sheet-type external electrode, and the flexibility of the battery can be improved by forming the support layer, which is the outermost layer of the external electrode, and a polymer resin layer inside the packaging from the same material, and by preventing winkling on the thin metal layer included in the packaging by mutually coupling the support layer and the polymer resin layer.Type: ApplicationFiled: June 19, 2015Publication date: July 13, 2017Applicant: LG Chem, Ltd.Inventors: Yo-Han Kwon, Eun-Suk Park, Je-Young Kim, Se-Woo Yang, Seung-Hyun Chung, Hye-Ran Jung
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Publication number: 20170200980Abstract: An example includes a method including forming a battery electrode by disposing an active material coating onto a silicon substrate, assembling the battery electrode into a stack of battery electrodes, the battery electrode separated from other battery electrodes by a separator, disposing the stack in a housing, filling the interior space with electrolyte, and sealing the housing to resist the flow of electrolyte from the interior space.Type: ApplicationFiled: January 24, 2017Publication date: July 13, 2017Inventor: Peter Gustave Borden
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Publication number: 20170200981Abstract: Provided is a battery including a layered double hydroxide. The battery includes a positive electrode, a negative electrode, an electrolytic solution being an aqueous alkali metal hydroxide solution, and a layered double hydroxide having a fundamental composition represented by the formula: M2+1?xM3+x(OH)2An?x/n·mH2O where M2+ represents a divalent cation, M3+ represents a trivalent cation, An? represents an n-valent anion, n is an integer of 1 or more, x is 0.1 to 0.4, and m is any real number, the layered double hydroxide being in contact with the electrolytic solution, wherein a metal compound containing a metal corresponding to M2+ and/or M3+ is dissolved in the electrolytic solution such that erosion of the layered double hydroxide by the electrolytic solution is suppressed. The present invention provides a highly reliable battery such that the degradation of a layered double hydroxide (LDH) contained in the battery can be significantly reduced.Type: ApplicationFiled: March 28, 2017Publication date: July 13, 2017Applicant: NGK INSULATORS, LTD.Inventors: Shohei YOKOYAMA, Sho YAMAMOTO, Naohito YAMADA
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Publication number: 20170200982Abstract: The present invention relates to a electrochemically active mixture, working within a rechargeable battery. This mixture consists of manganese oxide and potassium hexacyanoferrate as active phase, an electronically conductive material and a polymeric binder. The mixture above described is used as a component of the positive electrode in rechargeable batteries, where the negative electrode consists of zinc, tin or manganese metal. Thanks to its peculiar characteristics the battery obtained is able to reproduce more than 10,000 cycles with a loss of storage capacity of not greater than 10% and an open circuit voltage greater than 1.5 V.Type: ApplicationFiled: June 15, 2015Publication date: July 13, 2017Inventor: Pasquale TORRE
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Publication number: 20170200983Abstract: A method (100) for depassivation of a battery (BATT) of a cash and valuables container (10) includes at least one electronically controllable component (14) and an associated control circuit (18) being supplied by the battery (BATT). The control circuit (18) executes at least one control procedure for the at least one electronically controllable component (14). The valuables container can be transportable, e.g. a cash box (10), and includes an invalidation unit, in particular an ink dyeing system (14). The control circuit (18) then also executes the depassivation (120) of the battery (BATT) each time before activating or deactivating the at least one control procedure (130) or a sub-routine thereof, such as the sub-routine for controlling and driving the ink dyeing system. Specifically, the depassivation of the battery (BATT) is performed before each first/initial execution of the least one control procedure (130).Type: ApplicationFiled: January 4, 2017Publication date: July 13, 2017Inventors: Michael Schild, Sascha Ringel
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Publication number: 20170200984Abstract: Disclosed herein are novel or improved separators, battery separators, lead battery separators, batteries, cells, and/or methods of manufacture and/or use of such separators, battery separators, lead battery separators, cells, and/or batteries. In accordance with at least certain embodiments, the present disclosure or invention is directed to novel or improved battery separators for lead acid batteries. In addition, disclosed herein are methods, systems and battery separators for enhancing battery life, reducing active material shedding, reducing grid and spine corrosion, reducing failure rate reducing acid stratification and/or improving uniformity in at least lead acid batteries, in particular batteries for electric rickshaws. In accordance with at least particular embodiments, the present disclosure or invention is directed to an improved separator for lead acid batteries wherein the separator includes improved membrane profiles, improved coatings, improved configurations, and/or the like.Type: ApplicationFiled: January 11, 2017Publication date: July 13, 2017Inventors: Surendra Kumar Mittal, Naveen Prabhu Shanmugam
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Publication number: 20170200985Abstract: A pulsed discharge device according to an exemplary aspect of the present invention includes a controller configured to determine an interruption time to a discharge time based on a predetermined time ratio between the discharge time and the interruption time when performing a pulsed discharge to repeat alternately a discharge and a pause in discharging of a chemical battery.Type: ApplicationFiled: April 22, 2015Publication date: July 13, 2017Applicant: NEC CorporationInventors: Hiroaki FUKUNISHI, Kenji KOBAYASHI, Suguru WATANABE, Osamu ISHIBASHI, Hiroshi KAJITANI, Kazuhisa SUNAGA, Hideyuki SUGITA, Atsumasa SAWADA, Ayami TANABE
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Publication number: 20170200986Abstract: In a deformation detection method for a sealed-type rechargeable battery 1 in which an electrode group 22, which is formed by stacking a positive electrode 23 and a negative electrode 24 with a separator 25 interposed therebetween, is accommodated in a sealed outer casing 21, a polymer matrix layer 3 is attached to an outer surface of a wall portion 28a of the outer casing 21 that faces the electrode group 22 in a thickness direction of the positive electrode 23 and the negative electrode 24 or in a direction perpendicular to the thickness direction. The polymer matrix layer 3 contains a filler that is dispersed therein and that changes an external field in response to deformation of the polymer matrix layer 3. Change in the external field accompanying the deformation of the polymer matrix layer 3 is detected by a detection unit 4.Type: ApplicationFiled: April 10, 2015Publication date: July 13, 2017Applicant: TOYO TIRE & RUBBER CO., LTD.Inventors: Takeshi Fukuda, Nobuyuki Minakata
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Publication number: 20170200987Abstract: A battery assembly system includes: a battery assembly; a temperature measuring part; and a monitoring device. The battery assembly includes a plurality of batteries connected in series. The temperature measuring part measures temperatures of connection parts used to connect electrodes of batteries included in the battery assembly. The monitoring device derives temperatures of the batteries on the basis of the temperatures measured by the temperature measuring part.Type: ApplicationFiled: April 13, 2015Publication date: July 13, 2017Applicant: Kabushiki Kaisha ToshibaInventors: Makoto MATSUOKA, Shinichiro KOSUGI, Katsuya UCHIDA, Kazuto KURODA, Massahiro SEKINO, Norihiro KANEKO
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Publication number: 20170200988Abstract: Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters.Type: ApplicationFiled: December 28, 2016Publication date: July 13, 2017Applicant: Apple Inc.Inventor: Harold Aaron Ludtke
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Publication number: 20170200989Abstract: Examples are disclosed of methods to recycle positive-electrode material of a lithium-ion battery. One example provides a method including relithiating the positive-electrode material in a solution comprising lithium ions and an oxidizing agent, and after relithiating, separating the positive-electrode material from the solution.Type: ApplicationFiled: January 9, 2017Publication date: July 13, 2017Inventor: Steven E. Sloop
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Publication number: 20170200990Abstract: A battery pack assembly includes a tray and a battery disposed in the tray. The battery pack assembly also includes an absorption member disposed in the tray and configured to wick moisture out of the tray and away from the battery.Type: ApplicationFiled: January 7, 2016Publication date: July 13, 2017Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chih-Cheng Hsu, Zhongying Shi, Alexander Bilinski, Bao Wang
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Publication number: 20170200991Abstract: According to the present disclosure, there is a cooling device for battery cells including a heat sink with a hollow structure disposed adjacent to at least one side of a battery cell assembly and having a channel formed therein through which a coolant flows, the battery cell assembly including a plurality of battery cells, and a cooling plate configured to carry out heat exchange with the battery cells, the cooling plate including a heat absorbing part interposed between the battery cells such that one surface or both surfaces come into contact with the battery cells, and a heat emitting part extending from the heat absorbing part and exposed to the channel, wherein the heat emitting part includes at least one bent surface arranged parallel to the channel, and at least one through-hole through which the coolant goes.Type: ApplicationFiled: September 23, 2015Publication date: July 13, 2017Applicant: LG CHEM, LTD.Inventors: Jin-Moo NAM, Hyun-Seok SHIM, Yong-Seok CHOI, Gyu-Jong BAE
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Publication number: 20170200992Abstract: Disclosed embodiments include thermal management systems and methods configured to heat and/or cool an electrical device. Thermal management systems can include a heat spreader in thermal communication with a temperature sensitive region of the electrical device. The heat spreader can include the one or more pyrolytic graphite sheets. The heat spreader can include thermal/electrical elevators connecting the one or more pyrolytic graphite sheets. The systems can include a thermoelectric device in thermal communication with the heat spreader. Electric power can be directed to the heat spreader and/or thermoelectric device to provide controlled heating and/or cooling of the electrical device.Type: ApplicationFiled: September 11, 2015Publication date: July 13, 2017Inventors: Alfred Piggott, David Scott Thomas, Daniel Charles Guerithault
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Publication number: 20170200993Abstract: A battery pack includes: battery modules; a cooling pipe connected to the battery modules; and one or more cooling units connected to the cooling pipe and configured to absorb heat from cooling liquid flowing inside the cooling pipe, wherein the battery modules and the one or more cooling units are disposed to alternate with respect to each other.Type: ApplicationFiled: January 10, 2017Publication date: July 13, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Won SONG, Jin Ho KIM, Dong Kee SOHN, Tae Jung YEO
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Publication number: 20170200994Abstract: A battery management apparatus for a battery including battery units, the apparatus including a voltage sensor configured to sense a voltage of each of the battery units; a phase difference calculator configured to calculate a phase difference between the voltage of each of the battery units and a reference voltage; and a temperature controller configured to control a temperature of each of the battery units based on the calculated phase difference.Type: ApplicationFiled: January 11, 2017Publication date: July 13, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Ho KIM, Ju Wan LIM, Tae Won SONG, Tae Jung YEO
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Publication number: 20170200995Abstract: Methods and devices for providing an even distribution of waste heat in a vehicular battery pack, including a battery pack, a cold plate, a coolant reservoir, a support structure between the battery pack and the coolant reservoir, and a conformable thermal interface material for filling the space between cells of the battery pack and the coolant reservoir so as to provide thermal contact between the cells and the coolant reservoir for distributing the waste heat. In addition, methods and devices for providing an even distribution of waste heat and structural support in any heat source to heat sink for applications such as small devices such as computer motors.Type: ApplicationFiled: January 7, 2016Publication date: July 13, 2017Inventors: Herman K. Phlegm, Craig A. Kollar, Mahmoud H. Abd Elhamid, Timothy J. Fuller, Andrew H. Leutheuser
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Publication number: 20170200996Abstract: A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second electrode which is different in composition than the first electrode; wherein the separator is sandwiched between the first and second electrode to form a flexible laminate configuration. The asymmetric supercapacitor cells with different NGP-based electrodes exhibit an exceptionally high capacitance, specific energy, and stable and long cycle life.Type: ApplicationFiled: March 20, 2017Publication date: July 13, 2017Applicant: Nanotek Instruments, Inc.Inventors: Aruna Zhamu, Bor Z. Jang
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Publication number: 20170200997Abstract: Waveguide hinges are provided that allow for a substantially continuous RF waveguide to be formed through the hinge when the hinge elements are in a particular relative rotational configuration with respect to one another; the substantially continuous RF waveguide is not formed when the hinge elements are in various other relative rotational configurations. Such waveguide hinges allow for waveguide elements to be repositioned during periods when RF energy is not being transmitted.Type: ApplicationFiled: January 13, 2016Publication date: July 13, 2017Inventor: Evan I. Gomberg
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Publication number: 20170200998Abstract: A filter assembly in a multi-layer printed wiring board. One or more conductors is formed on an internal layer of a printed wiring board. Surrounding dielectric layers and ground layers form, together with the conductors of the internal layer, microstrip or stripline transmission lines and distributed element filters. The filter assembly may include a plurality of internal conductive layers, each sandwiched between dielectric layers and ground layers, and each internal layer may include a plurality of distributed element filters. Connections from each filter to the surface of the filter assembly are formed by vias, and connections from the surface of the filter assembly to a host board are formed by solder joints.Type: ApplicationFiled: January 7, 2016Publication date: July 13, 2017Inventors: Bradley O. Hansen, Michael R. Beylor, Kevin W. Patrick, Jeremy Bart Baldwin, Michael D. Gordon
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Publication number: 20170200999Abstract: Provided are coaxial transmission line microstructures formed by a sequential build process, and methods of forming such microstructures. The microstructures include a transition structure for transitioning between the coaxial transmission line and an electrical connector. The microstructures have particular applicability to devices for transmitting electromagnetic energy and other electronic signals.Type: ApplicationFiled: January 13, 2017Publication date: July 13, 2017Inventor: David Sherrer
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Publication number: 20170201000Abstract: The present disclosure enhances flexibility, enables the transmission of power, and improves reliability using a simple, low-cost, easy-to-manufacture configuration by disposing a pair of power supplying lines on the outside in the longitudinal direction of the rectangular cross-section of a dielectric. Here, a waveguide is provided with a solid dielectric, a pair of power supplying lines and an external conductor surrounding the dielectric. The solid dielectric has a rectangular cross-section. The pair of power supplying lines are disposed on the outside in the longitudinal direction of the cross-section of the dielectric. The outer surface of the dielectric is slidably in close contact with the inner surface of the external conductor.Type: ApplicationFiled: May 26, 2015Publication date: July 13, 2017Applicant: Molex, LLCInventors: Takeshi TSUKAHARA, Shigeyuki HOSHIKAWA, Mio TANAKA
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Publication number: 20170201001Abstract: There is provided a cable tap device for a CATV network comprising a microstrip directional coupler on an electrical path between an input and an output and arranged to communicate with a splitter device associated with a plurality of tap ports. A tilt compensating circuit is disposed between the microstrip directional coupler and the splitter device. A feedback path comprising resistive, inductive and capacitive elements connects an isolated port of the microstrip directional coupler to that part of the electrical path between the input and the input port of the microstrip directional coupler.Type: ApplicationFiled: June 11, 2015Publication date: July 13, 2017Applicant: Technetix B.V.Inventors: Gerrit Boskaljon, Martien Rijssemus
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Publication number: 20170201002Abstract: A mast mountable antenna that is rugged, weather-tolerant, and unaffected by the antenna's mounting structure, while maintaining an electrical path for lightning surge currents. The mast mountable antenna generally includes a radiating conductor section, an impedance transformer section, a low inductance feed point, a mounting mast section, a mast isolating stub section, and an integral coaxial feed line.Type: ApplicationFiled: January 6, 2017Publication date: July 13, 2017Inventor: John Scott Huggins
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Publication number: 20170201003Abstract: A trickle-charged RFID device includes a main antenna receiving wireless interrogator signals from one or more RFID readers, a power harvester connected with the main antenna to obtain power from the wireless interrogator signals, and an intermediate storage device connected to the power harvester to collect trickle flows of unused power harvested from wireless interrogator signals received by the RFID device that lack an inquiry for the device. The RFID device further includes a primary storage device, into which the intermediate storage device discharges its collection of trickle flows of unused power when the collection reaches a predetermined threshold level, which recharges power lost from the main storage device. The intermediate storage device can include one or more capacitors including super-capacitors, and the main storage device can include a rechargeable battery, such that the effective life of the main storage device is extended from the collected trickle flows.Type: ApplicationFiled: January 8, 2016Publication date: July 13, 2017Applicant: INTERMEC, INC.Inventors: H. Sprague ACKLEY, Pavel NIKITIN
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Publication number: 20170201004Abstract: A wireless sensor includes an antenna, a sensing element, a tuning circuit, a processing module, a reference circuit block, and a transmitter. The tuning circuit adjusts the RF front-end to compensation for a change in a characteristic of the RF front end caused by the sensing element. The reference circuit block generates a signal based on a low voltage low frequency input that corresponds to a second environmental condition. The processing module generates a first digital value based on the adjustment to the RF front-end, where the first digital value is a representation of the first environmental condition, and generate a second digital value based on the signal, where the second digital value is a representation of the second environmental condition. The transmitter generates the outbound RF signal that includes at least one of the first and second digital values.Type: ApplicationFiled: March 27, 2017Publication date: July 13, 2017Applicant: RFMicron, Inc.Inventors: Shahriar Rokhsaz, Brian David Young, Ahmed Younis, John J. Paulos, Abhay Misra, Benjamin Cooke, Marwan Hassoun
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Publication number: 20170201005Abstract: A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.Type: ApplicationFiled: March 24, 2017Publication date: July 13, 2017Applicant: Humatics CorporationInventors: Gregory L. Charvat, David A. Mindell
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Publication number: 20170201006Abstract: A wireless communication circuit and an electronic device are provided. The wireless communication circuit used for an electronic device includes a wireless transceiver unit used to generate a transmitting signal, an impedance matching unit electronically coupled to the wireless transceiver unit, a coupling unit and a system grounding surface. The impedance matching unit includes at least one impedance, the impedance matching unit is used to convert the transmitting signal to a feeding signal according to the impedance value of at least one impedance. The coupling unit is electronically coupled to the impedance matching unit, to radiate the energy of the feeding signal. The system grounding surface is used to transmit a first electromagnetic wave signal via resonance on the plane of the system grounding surface after receiving the energy of the feeding signal.Type: ApplicationFiled: December 29, 2016Publication date: July 13, 2017Inventors: Shih-Chia CHIU, Shih-Yuan CHEN, Skye Hui-Hsin WU, Chien-Hao CHIU, Wang-Ta HSIEH, Wei-Hsin SHIH
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Publication number: 20170201007Abstract: In order to provide an antenna technology capable of easily achieving, with a simple structure, a wide bandwidth in which wireless communication can be performed, an antenna device is provided with a feed antenna element, and a parasitic antenna element. The feed antenna element is provided on a circuit board, and is electrically coupled to a power supply that is provided on the circuit board. The parasitic antenna element is electrically coupled to the feed antenna element. The parasitic antenna element has a grounding portion. The grounding portion is electrically coupled to a ground layer via an inductive element, said ground layer being formed on the circuit board and having a reference potential.Type: ApplicationFiled: June 11, 2015Publication date: July 13, 2017Applicant: NEC Platforms, Ltd.Inventor: Ken MIURA
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Publication number: 20170201008Abstract: A mobile terminal comprises a radio frequency module, comprising at least two antenna connection ports, respectively a first antenna connection port and a second antenna connection port; a first antenna, connected to the first antenna connection port in the radio frequency module, wherein the first antenna is a near field communication (NFC) antenna; a second antenna, surrounding the first antenna, connected to the second antenna connection port in the radio frequency module, wherein the second antenna is used as a WiFi antenna in the Multi-input Multi-output (MIMO) antenna scheme.Type: ApplicationFiled: August 19, 2016Publication date: July 13, 2017Inventor: Hao WU
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Publication number: 20170201009Abstract: Disclosed are a mobile terminal and an external antenna. The mobile terminal comprises: a USB port which comprises at least two connection terminals and enables, when a connector of an external device is plugged into the said USB port, that any one of idle contacts of the said USB port and the said external device remains electrically connected, wherein the said external device serves as a Wi-Fi antenna in accordance with an antenna solution of Multiple-Input and Multiple-Output; a data transmission module which comprises a data connection port which is connected to one of the connection terminals of the said USB port; and a radio frequency module which comprises at least two antenna connection ports, wherein any one of the said at least two antenna connection ports remains electrically connected to the said idle contacts.Type: ApplicationFiled: August 20, 2016Publication date: July 13, 2017Inventor: Hao WU