Patents Examined by Jacob Marks
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Patent number: 9034507Abstract: A battery pack having at least one battery with two electrical contacts in which a parallel circuit comprising a first and a second resistor is arranged between a first contact and a first pole, the first resistor switches off at a first temperature, the second resistor switches off at a second temperature, the first temperature is higher than the second temperature, and the first resistor has a higher current carrying capability than the second resistor. The circuit serves as fuse protection for the battery against overheating both when the battery is charging and when the battery is discharging.Type: GrantFiled: May 5, 2008Date of Patent: May 19, 2015Assignee: ROBERT BOSCH GMBHInventor: Wolf Matthias
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Patent number: 9023500Abstract: A cylindrical secondary battery including a battery unit including a wound first electrode plate, separator, and second electrode plate, and first and second electrode tabs respectively protruding from the first and second electrode plates; a can for accommodating the battery unit; a cap assembly for sealing an opening of the can; and a first insulation plate in the can and on an upper portion of the battery unit, the first insulation plate being configured to prevent a short between the first electrode tab and the second electrode plate having different polarities, wherein the first insulation plate includes a linear small aperture through which the first electrode tab extends and a circular small aperture for injection of an electrolyte, and the linear and circular small apertures are disposed in a region equal to or less than 50% of the first insulation plate.Type: GrantFiled: September 28, 2010Date of Patent: May 5, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Jong-Ku Kim, Byung-Lyang Lee, June-Hyoung Park, Chan-Woo Park
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Patent number: 9017859Abstract: A secondary battery structure includes a jar body, a conductive stacked structure, and two end covers. The conductive stacked structure is configured in the jar body and at least includes a battery unit. The two end covers are respectively fixed at two ends of the jar body. The end covers are assembled to the jar body by inward compression in order to eliminate dimension errors of the conductive stacked structure in the jar body. The diameter of each end cover is smaller than or substantially equal to the inner diameter of the jar body.Type: GrantFiled: July 12, 2011Date of Patent: April 28, 2015Assignee: Industrial Technology Research InstituteInventor: Sheng-Fa Yeh
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Patent number: 9017857Abstract: Disclosed herein is an electrode terminal connecting device for electrically interconnecting two or more battery modules, including a conductive connecting member for electrically interconnecting electrode terminals of the battery modules, the conductive connecting member having two through-holes formed at positions corresponding to the distance between the electrode terminals, an insulative sheathing member for surrounding the conductive connecting member, a portion of an open rear of the insulative sheathing member being closed for easy installation of the conductive connecting member, the insulative sheathing member including a side wall protruding from the outer circumference of the conductive connecting member such that the side wall has a predetermined height, and an insulative cap connected to the top of the insulative sheathing member by a hinge structure for opening and closing an open front of the insulative sheathing member, the insulative cap having hollow buffers protruding from the inside thereoType: GrantFiled: September 4, 2009Date of Patent: April 28, 2015Assignee: LG Chem, Ltd.Inventors: Bumhyun Lee, Yongshik Shin, Jin Kyu Lee, Jongmoon Yoon, Jae Hun Yang
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Patent number: 9017860Abstract: A cylinder type secondary battery includes a can having an opening, an electrode assembly in the can, a cap assembly covering the opening of the can, an upper insulating plate between the electrode assembly and the cap assembly; a support plate on the upper insulating plate; the support plate having a peripheral edge, wherein an area of the support plate is smaller than an area of the upper insulating plate, and a first electrode tab extending from the electrode assembly, the first electrode tab having a first section contacting the support plate, a second section contacting the cap assembly, and a bent section between the first section and the second section, wherein a portion of the bent section protrudes from the peripheral edge of the support plate.Type: GrantFiled: November 13, 2009Date of Patent: April 28, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Dae-Kyu Kim
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Patent number: 9012062Abstract: Coating a battery cell, or at least one battery cell in an assembly of battery cells or in a battery, or coating an assembly of battery cells or a battery which contains a battery cell or such an assembly with a fire-resistant coating is effective for protecting the cell, assembly, and battery and for retarding fire propagation.Type: GrantFiled: June 7, 2011Date of Patent: April 21, 2015Assignee: Bluefin Robotics CorporationInventors: Jeffrey M. Smith, Richard A. Wilson
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Patent number: 9005843Abstract: A polymer electrolyte composition of a sulfonated block copolymer (A) having a hydrophilic segment with a sulfonic acid group and a hydrophobic segment with no sulfonic acid group, each segment having an aromatic ring is its main chain, and an aromatic polymer (B) having no sulfonic acid group with a structural unit that is identical to the structural unit contained in the hydrophobic segment of the sulfonated block copolymer is provided. The ion-exchange capacity of the composition can be in a range of 0.5 mmol/g to 2.9 mmol/g. Electrolyte membranes, membrane/electrolyte assemblies, and electrolyte fuel cells utilizing the polymer electrolyte composition are also provide.Type: GrantFiled: March 2, 2012Date of Patent: April 14, 2015Assignee: Ube Industries, Ltd.Inventors: Tetsuji Hirano, Nobuharu Hisano, Tatsuya Arai, Masayuki Kinouchi
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Patent number: 8999595Abstract: A fuel cell or a fuel cell stack component comprises an active area and a non-active area. A peroxide decomposing metal compound or metal alloy is disposed in or on the non-active area of a fuel cell or a fuel cell component. The metal compound or alloy is capable of providing a peroxide decomposing metal species that can migrate from the non-active area to an active area of a fuel cell. A fuel cell or membrane electrode assembly having a peroxide decomposing metal compound or alloy disposed in its non-active area exhibits improved durability.Type: GrantFiled: November 30, 2010Date of Patent: April 7, 2015Assignee: GM Global Technology Operations LLCInventors: Sean M. MacKinnon, Frank Coms, Timothy J. Fuller, Craig S. Gittleman, Ruichun Jiang
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Patent number: 8980488Abstract: A fuel cell system includes a reforming unit, a carbon-monoxide decreasing unit, a fuel cell, a burner unit, and a raw gas supply device. At a start-up operation of the fuel cell system, an amount of raw gas supplied from the raw has supply device is adjusted according to an amount of a desorbed raw gas desorbed out of components of the raw gas adsorbed to at least one of the reforming catalyst and a carbon monoxide decreasing catalyst such that a ratio of an amount of the combustion air to an amount of the raw gas in the burner unit falls within a predetermined range.Type: GrantFiled: May 7, 2010Date of Patent: March 17, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hiroshi Tatsui, Kiyoshi Taguchi
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Patent number: 8962211Abstract: A device and method of forming a power generator includes a container, a fuel cell stack within the container, a metal hydride hydrogen producing fuel within the container, wherein the fuel cell stack is sandwiched between the container and an anode support surrounding the fuel and in close thermal contact with the fuel. The fuel cell stack has a cathode electrode for exposure to oxygen and an anode electrode for exposure to hydrogen. A cathode is electrically coupled to the cathode electrode of the fuel cell stack and supported by the container such that at least a portion of it is exposed on an outside of the container. An anode is electrically coupled to the anode electrode of the fuel cell stack and supported by the container such that at least a portion of it is exposed on the outside of the container spaced apart from the exposed cathode.Type: GrantFiled: December 15, 2008Date of Patent: February 24, 2015Assignee: Honeywell International Inc.Inventor: Steven J. Eickhoff
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Patent number: 8962195Abstract: A lithium transition metal-based compound powder for a lithium secondary battery positive electrode material that can achieve both improvements of load characteristics such as rate and output characteristics and a higher density is a lithium transition metal-based compound powder containing, as a main component, a lithium transition metal-based compound that has a function of allowing elimination and insertion of lithium ions, and including a crystal structure belonging to a layer structure, wherein primary particles are aggregated to form secondary particles, the ratio A/B of a median diameter A of the secondary particles to an average diameter (average primary particle diameter B) is in the range of 8 to 100, and 0.01?FWHM(110)?0.5 where FWHM(110) is the half width of a (110) diffraction peak present near a diffraction angle 2? of 64.5° in a powder X-ray diffraction analysis using a CuK? line.Type: GrantFiled: September 4, 2008Date of Patent: February 24, 2015Assignee: Mitsubishi Chemical CorporationInventors: Kenji Shizuka, Kaoru Terada, Kenji Okahara, Tomohiro Kusano
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Patent number: 8956749Abstract: A battery pack, including a cell, a circuit module electrically coupled to the cell, the circuit module including, an insulation substrate, an electrical element on the insulation substrate, and at least one resin layer surrounding the electrical element, and a cover surrounding the circuit module and coupling the circuit module to the cell.Type: GrantFiled: March 25, 2009Date of Patent: February 17, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Bongyoung Kim
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Patent number: 8956752Abstract: A battery module including a plurality of battery cells aligned in one direction; and barriers interposed between respective battery cells, wherein the barrier has a shape that crosses at a central portion of the battery cell.Type: GrantFiled: June 9, 2011Date of Patent: February 17, 2015Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventor: Ji-Hyoung Yoon
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Patent number: 8940460Abstract: Methods of fabricating gas diffusion electrodes and gas diffusion electrodes made from such methods are disclosed herein. One method of fabricating a gas diffusion electrode for a fuel cell comprises preparing a catalyst ink of a predetermined viscosity. Preparing the catalyst ink comprises mixing a catalyst solution comprising catalyst particles, an ionomer and a solvent at a first speed for a first period of time and homogenizing the catalyst solution at a second speed in a temperature controlled environment for a second period of time, wherein the second period of time is longer than the first period of time, the second period of time and the second speed selected to preserve a structure of the catalyst particles during homogenization. An active electrode layer is formed by spraying the catalyst ink directly on a gas diffusion layer in a single application and a uniform loading.Type: GrantFiled: February 14, 2011Date of Patent: January 27, 2015Assignee: Nissan North America, Inc.Inventors: Nilesh Dale, Gregory DiLeo, Taehee Han, Kevork Adjemian
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Patent number: 8940428Abstract: A separator, a lithium rechargeable battery using the separator, and a method of manufacturing the lithium rechargeable battery. More particularly, a separator in which a plurality of porous films having different strength from one another are disposed between a positive electrode plate and a negative electrode plate. A porous film having a higher tensile strength is disposed at a region adjacent to the negative electrode plate, and the other porous film is disposed adjacent the positive electrode plate. The porous film having the higher tensile strength has smaller holes and/or is thicker than the other porous film. The separator improves the stability of the battery by improving the prevention of an electrical short occurring between the two electrode plates of the electrode assembly, and a lithium rechargeable battery using the same.Type: GrantFiled: March 16, 2007Date of Patent: January 27, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Soonki Woo
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Patent number: 8940449Abstract: A fuel cell including an electrolyte film, a catalyst layer, two diffusion layers, a fuel supply layer, an oxygen supply layer, a water-absorbing layer, and a collector. The fuel cell has an opening at least in a part of a side surface parallel to a proton conduction direction of the electrolyte film among side surfaces of the fuel cell. The water-absorbing layer is present between the oxygen supply layer and the collector. An end portion of the water-absorbing layer is present on one of a plane including the opening and an opposite side of the fuel cell with the plane including the opening being a reference. A fuel cell system having a fuel cell stack including the fuel cells. The fuel cell has a high water discharging ability and is capable of maintaining stable high generation efficiency and providing a high output even while being small-sized and light-weight.Type: GrantFiled: February 1, 2007Date of Patent: January 27, 2015Assignee: Canon Kabushiki KaishaInventors: Atsuhito Yoshizawa, Kentaro Nagai
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Patent number: 8932780Abstract: An example fuel cell assembly may include a proton exchange membrane (or membrane electrode assembly) that has a first major surface and a second major surface. An anode electrode, which may include a patterned metal layer with a plurality of apertures extending through the patterned metal layer, may also be provided. An anode gas diffusion layer secured to an anode adhesive frame may be situated between the anode electrode and the first major surface of the proton exchange membrane. A cathode electrode may, in some instances, include a patterned metal layer with a plurality of apertures extending through the patterned metal layer. A cathode gas diffusion layer secured to a cathode adhesive frame may be situated between the cathode electrode and the second major surface of the proton exchange membrane. In some instances a fuel cell assembly may be flexible so that the fuel cell assembly can be rolled into a rolled configuration that defines an inner cavity with open ends.Type: GrantFiled: February 12, 2010Date of Patent: January 13, 2015Assignee: Honeywell International Inc.Inventor: Steven J. Eickhoff
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Patent number: 8932759Abstract: A process of etching silicon includes treating silicon, e.g. granules or bulk material, with an etching solution, including HF, Ag+ ions and nitrate ions thereby etching the silicon to form silicon having etched pillars on its surface, which silicon includes a surface deposit of silver. The etched silicon is then separated from the spent etching solution. The silver from the etched silicon is dissolved using nitric acid to form a solution containing Ag+ ions and nitrate ions. The solution containing Ag+ ions and nitrate ions is mixed with further HF to form a further etching solution. The further etching solution is used to treat further silicon. The pillars may be used as an anode material in a Li-ion battery.Type: GrantFiled: October 2, 2009Date of Patent: January 13, 2015Assignee: Nexeon Ltd.Inventors: Mino Green, Feng-Ming Liu
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Patent number: 8927163Abstract: Disclosed are an apparatus for portable fuel cell and an operation method thereof, wherein stabilization state after initial operation can be determined using OCV.Type: GrantFiled: December 8, 2006Date of Patent: January 6, 2015Assignee: Korea Institute of Science and TechnologyInventors: Jaeyoung Lee, Suk-Woo Nam, Tae Hoon Lim, In Hwan Oh, Sung Pil Yoon, Seong Ahn Hong, Jonghee Han, Hyoung-Juhn Kim, Eun Ae Cho, Hyung Chul Hahm, Yeong Cheon Kim
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Patent number: 8927166Abstract: Provided is a method for shutting down an indirect internal reforming SOFC, in which a hydrocarbon-based fuel is reliably reformed, and the oxidative degradation of the anode can be prevented by a reformed gas.Type: GrantFiled: January 14, 2009Date of Patent: January 6, 2015Assignee: JX Nippon Oil & Energy CorporationInventor: Susumu Hatada