Abstract: Provided herein is a positive temperature coefficient film comprising an inorganic positive temperature coefficient compound. Also provided herein are a positive temperature coefficient electrode, a positive temperature coefficient separator, and a positive temperature coefficient lithium secondary battery, each of which comprises the positive temperature coefficient film.
Abstract: An alkaline storage battery includes: a cylindrical case having a side wall including an opening end portion and a bottom; a sealing plate; a gasket interposed between the sealing plate and the opening end portion; and a sealant between the gasket and the opening end portion. The side wall has an annular groove opened at an outer surface thereof, and an inwardly curl portion at the opening end portion. In at least part of the groove, the minimum width L1 is within 0.2 mm. The sealant includes a polyamide resin formed such that when two test-plate materials are bonded together at bonding faces facing each other via a bonding portion of the sealant, and moved in parallel with the bonding faces and in opposite directions to have a relative displacement within 0.5 to 5 mm, a stress at least 0.02 N/mm2 is applied to the bonding portion.
Abstract: An electric energy store includes a positive electrode, a negative electrode and an oxygen ion conducting electrolyte separating the positive electrode and the negative electrode from each other. The negative electrode includes a first reservoir having a gas-permeable oxidizable material and, contained therein, a gaseous, oxygen-exchanging redox pair. The positive electrode comprises a second reservoir having a gas-permeable oxidizable material and oxygen transport is effected by means of an oxygen-containing gaseous compound, wherein the positive electrode is closed with respect to the atmosphere.
Abstract: A part has separator layers of resin laminated on each other with heat-resistant layers interposed among them and a sheath (laminated sheet) laid on each side of the laminated separator layers. The part is held, pressurized, and vibrated by a pressure vibrator and a jig receiver. The pressure vibrator and jig receiver are provided with projections that pressurize, vibrate, and break the heat-resistant layers, thereby melting and welding together the resin of the separator layers at the broken part.
Abstract: According to one embodiment, a battery includes an electrode group, at least one positive electrode current collector tab, at least one negative electrode current collector tab, and a case. The case includes a case portion and an edge portion. The edge portion includes a heat sealed part configured to seal the case portion and a non-sealed part. The electrode group is housed in the case portion while an end portion of at least one of the positive electrode current collector tab and the negative electrode current collector tab is provided in the non-sealed part.
Abstract: In a fuel cell system which executes a stop process of stopping an output from a fuel cell when a required power generation amount for the fuel cell is smaller than a predetermined power generation amount and supplies oxidant during a stop process period, fuel gas is intermittently supplied to a fuel electrode at a basic supply interval, which is set in advance and at which carbon dioxide is not generated in an oxidant electrode, during the stop process period.
Abstract: Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.
Type:
Grant
Filed:
October 14, 2015
Date of Patent:
March 7, 2017
Assignee:
Korea Institute of Energy Research
Inventors:
Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
Abstract: Provided is solid electrolyte utilizing a composite oxide of a RP-type structure, that is useful for achieving strong electromotive force and enhanced current-voltage characteristics of a fuel battery, has enhanced ion conductivity and sufficiently inhibited electronic conductivity, and is capable of intercalation of a large amount of water or hydrogen groups, as well as a solid electrolyte membrane, a fuel battery cell, and a fuel battery. The solid electrolyte and the solid electrolyte membrane of the present invention has been obtained by subjecting a particular composite oxide of a RP-type structure or a membrane thereof to a treatment of at least one of hydroxylation and hydration, and has a property that the mass determined by TG measurement at 400° C. is less than that at 250° C. by not less than 4.0%.
Type:
Grant
Filed:
June 19, 2012
Date of Patent:
March 7, 2017
Assignees:
SANTOKU CORPORATION, National University Corporation Hokkaido University
Abstract: Provided is an electric storage device capable of suitably preventing damage to end portions of an electrode assembly due to vibration. A current collector and a backing member are cooperated and connected to each end portion of the electrode assembly in which a positive electrode plate and a negative electrode plate are stacked in layers. The backing member is composed of a base and a skirt.
Type:
Grant
Filed:
January 18, 2013
Date of Patent:
March 7, 2017
Assignees:
GS YUASA INTERNATIONAL LTD., HONDA MOTOR CO., LTD.
Abstract: An electrolytic solution and a battery capable of improving cycle characteristics are provided. A separator is impregnated with an electrolytic solution. The electrolytic solution includes a cyclic carbonate derivative having a halogen atom such as 4-fluoro-1,3-dioxolane-2-one or 4-chloro-1,3-dioxolane-2-one and a cyclic imide salt such as 1,1,2,2,3,3-hexafluoropropane-1,3-disulfonimide lithium. Thereby, the decomposition reaction of the electrolytic solution can be inhibited, and the cycle characteristics can be improved.
Abstract: Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The electrode further includes an electrode attachment substance that adheres the film to the current collector.
Type:
Grant
Filed:
March 12, 2013
Date of Patent:
February 28, 2017
Assignee:
Enevate Corporation
Inventors:
Benjamin Yong Park, Ian R. Browne, Stephen W. Schank, Steve Pierce
Abstract: Battery electrodes are provided that can include a conductive core supported by a polymeric frame. Methods for manufacturing battery electrodes are provided that can include: providing a sheet of conductive material; and framing the sheet of conductive material with a polymeric material. Batteries are provided that can include a plurality of electrodes, with individual ones of the electrodes comprising a conductive core supported by a polymeric frame.
Abstract: Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.
Type:
Grant
Filed:
September 16, 2013
Date of Patent:
February 21, 2017
Assignee:
Korea Institute of Energy Research
Inventors:
Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
Abstract: The present invention relates to a solid composite for use in the cathode of a lithium-sulphur electric current producing cell wherein the solid composite comprises 1 to 75 wt.-% of expanded graphite, 25 to 99 wt.-% of sulphur, 0 to 50 wt.-% of one or more further conductive agents other than expanded graphite, and 0 to 50 wt.
Type:
Grant
Filed:
May 26, 2011
Date of Patent:
February 21, 2017
Assignee:
Sion Power Corporation
Inventors:
Ruediger Schmidt, Alexander Panchenko, Bastian Ewald, Philip Hanefeld, Sorin Ivanovici, Helmut Moehwald, Igor P. Kovalev
Abstract: Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate.
Type:
Grant
Filed:
August 5, 2013
Date of Patent:
February 21, 2017
Assignee:
LG CHEM, LTD.
Inventors:
Jun-Seok Choi, Jin-Kyu Lee, Tae-Hwan Roh, Seung-Don Choi, Seong-Tae Kim, Tae-Hyuck Kim, Jung-Hoon Yang, Min-Chul Jang, In-Cheol Shin, Dal-Mo Kang
Abstract: A composite anode active material, an anode including the composite anode active material, a lithium battery including the anode, and a method of preparing the composite anode active material. The composite anode active material includes: a shell including a hollow carbon fiber; and a core disposed in a hollow of the hollow carbon fiber, wherein the core includes a first metal nanostructure and a conducting agent.
Type:
Grant
Filed:
September 24, 2013
Date of Patent:
February 7, 2017
Assignee:
SAMSUNG ELECTRONICS CO., LTD.
Inventors:
Sang-won Kim, Jong-jin Park, Jin-hwan Park, Hyung-wook Ha
Abstract: The present invention provides a sealed lithium secondary battery in which redox shuttle reactions of an aromatic compound that is an overcharge inhibitor are inhibited, and the aromatic compound decomposes appropriately, and a desired amount of gas can be generated more stably than in conventional instances, even in high-temperature environments. In the sealed lithium secondary battery (100), an electrode assembly (80) and an electrolyte are accommodated in a battery case (50) that is provided with a current interrupt device (30). The electrolyte comprises a compound that is capable of suppressing drops in viscosity of the electrolyte as a result of a rise in temperature in a temperature region up to 100° C., and an aromatic compound capable of generating hydrogen gas when a predetermined battery voltage is exceeded.
Abstract: A process for manufacturing an electrode utilizing electron beam (EB) or actinic radiation to cure electrode binding polymers is provided. A process is also disclosed for mixing specific actinic or EB radiation curable chemical precursors with electrode solid particles, application of the mixture to an electrode current collector, followed by the application of actinic or EB radiation to the current collector for curing the polymer, thereby binding the electrode material to the current collector. Lithium ion batteries, electric double layer capacitors, and components produced therefrom are also provided.
Type:
Grant
Filed:
March 6, 2014
Date of Patent:
January 10, 2017
Assignees:
MILTEC CORPORATION, ACTEGA RADCURE, INC.
Abstract: A device includes a membrane that is: (i) impermeable to oxygen, and (ii) insoluble in at least one polar solvent; and ion conducting particles in the membrane. At least some of the particles extend from a first side of the membrane to an opposed second side of the membrane. The thickness of the membrane is 15 ?m to 100 ?m.
Type:
Grant
Filed:
March 6, 2014
Date of Patent:
December 13, 2016
Assignees:
International Business Machines Corporation, Asahi Kasei Kabushiki Kaisha
Inventors:
Naga Phani B. Aetukuri, Mark W. Hart, Ho-Cheol Kim, Shintaro Kitajima, Leslie E. Krupp, Bryan D. McCloskey, Robert D. Miller, John Campbell Scott, Winfried Wilcke
Abstract: A heat removal unit that removes heat from air in a battery pack in which a battery cell is accommodated to cool or dehumidify the air is provided. Further, a circulation route that connects the battery pack and the heat removal unit to each other to recirculate the air is provided. Furthermore, a direction controller that controls a flow direction of the air in the circulation route in opposite direction upon cooling and upon dehumidification is provided.