Double Layer Electrolytic Capacitor Patents (Class 361/502)
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Patent number: 10727003Abstract: Cord-yarn supercapacitors are disclosed herein. The cord-yarn supercapacitor can include two or more ply yarns twisted together and an electrolyte. The ply yarns can comprise an activated carbon fiber yarn and a non-activated carbon fiber yarn. The activated carbon fiber yarn can be derived from a staple yarn which has been carbonized and activated. The non-activated carbon fiber yarn can be derived from a multi filament yarn. The electrolyte can include a polymer gel. The cord-yarn supercapacitors disclosed herein provide a rope-format linear structure with great flexibility. This unique linear structure allows the supercapacitor to find use in applications such as apparel products, outdoor activity products, sports wears, and other industrial end uses. Methods of making cord-yarn supercapacitors are also disclosed.Type: GrantFiled: October 3, 2017Date of Patent: July 28, 2020Assignee: Board of Regents, The University of Texas SystemInventors: Jonathan Y. Chen, Yuxiang Huang, Yue Liu
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Patent number: 10720647Abstract: A binder composition for a non-aqueous secondary battery electrode contains a water-soluble polymer including a (meth)acrylamide monomer unit and an amine compound. Percentage content M0 of the (meth)acrylamide monomer unit is at least 40 mass % and not more than 100 mass % relative to 100 mass % of all monomer units of the water-soluble polymer. Content M1 of the amine compound is at least 0.01 parts by mass and not more than 0.5 parts by mass per 100 parts by mass of solid content of the water-soluble polymer.Type: GrantFiled: January 23, 2017Date of Patent: July 21, 2020Assignee: ZEON CORPORATIONInventor: Masanori Shibuya
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Patent number: 10714271Abstract: An ultracapacitor that includes an energy storage cell immersed in an electrolyte and disposed within an hermetically sealed housing, the cell electrically coupled to a positive contact and a negative contact, wherein the ultracapacitor is configured to output electrical energy within a temperature range between about 80 degrees Celsius to about 210 degrees Celsius. Methods of fabrication and use are provided.Type: GrantFiled: July 9, 2012Date of Patent: July 14, 2020Assignee: FASTCAP SYSTEMS CORPORATIONInventors: Riccardo Signorelli, John J. Cooley, Christopher John Sibbald Deane, James Epstein, Padmanaban Sasthan Kuttipillai, Fabrizio Martini, Lindsay A. Wilhelmus
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Patent number: 10692662Abstract: An electric double layer device is configured such that a lower terminal is directly withdrawn from a lower collecting plate in the same manner as the manner in which an upper terminal is directly withdrawn from an upper collecting plate, thereby improving productivity and ease of assembly, and in addition increasing connection force.Type: GrantFiled: January 7, 2016Date of Patent: June 23, 2020Assignee: Nesscap Co., Ltd.Inventors: Young Jin Kim, Gwan Goo Jung
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Composite comprising CNT fibres and an ionic conducting compound as part of an energy storage device
Patent number: 10692661Abstract: The present invention relates to Composite comprising CNT fibres and an ionic conducting compound forming a homogeneous continuous phase or a two-phase bicontinuous structure and its process of obtainment by impregnation methods. Furthermore the invention relates to its use as part of an energy storage device such as an structural flexible electrochemical capacitor.Type: GrantFiled: September 16, 2015Date of Patent: June 23, 2020Assignee: B/E Aerospace Systems GmbHInventors: Juan José Vilatela, Rebecca Marcilla, Jesús Palma, Evgeny Senokos, Detlev Degenhardt, Sherif Ashraf -
Patent number: 10682595Abstract: Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. In some embodiments, at least one layer of the filter media comprises synthetic polymer fibers. Certain filter media described herein may have desirable properties including high dirt holding capacity and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters.Type: GrantFiled: March 15, 2018Date of Patent: June 16, 2020Assignee: Hollingsworth & Vose CompanyInventors: Cameron Thomson, Milind Godsay, Randall B. Keisler
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Patent number: 10679799Abstract: An electrical energy storage apparatus such as a capacitor, supercapacitor, hybrid supercapacitor, electrical double layer capacitor, battery or the like, comprising an electrode plate, an isolation film, a pole and a shell, wherein the electrode plate comprises a current collector and a coating disposed on the current collector, the coating comprises active material, conductive agent and adhesive in the mass ratio of (70-95):(2-20):(3-10); the active material comprises carbon material, conductive polymer and graphite type carbon nitride in the mass ratio of (60-90):(5-30):(5-10); the carbon material is nitrogen-doped graphene that has been functionalized with poly (3-hexylthiophene), and the surface of graphene is deposited with oxides of manganese or manganese dioxide nanoparticles; the conductive polymer is at least one of polyaniline, polythiophene and polypyrrole.Type: GrantFiled: August 29, 2017Date of Patent: June 9, 2020Inventor: Sizhi Liu
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Patent number: 10670665Abstract: The present disclosure is intended to design a secondary battery with improved boosting charge performance by estimating reaction in the thickness-wise direction of the electrode, and provides a method or estimating reaction of a secondary battery including (a) preparing a battery cell having a structure of first electrode/separator/reference electrode/separator/second electrode, wherein the second electrode has a structure of upper layer/porous film/lower layer, (b) setting a charging condition to estimate reaction of the battery cell, (c) measuring voltage and current of each of the upper layer, the lower layer and the battery cell while the set charging condition is reached, (d) after the charging condition, measuring an open-circuit voltage of the upper layer, the lower layer and the battery cell, and (e) comparatively analyzing a capacity obtained using the measured current with the measured open-circuit voltage, and a battery cell used for the same.Type: GrantFiled: November 6, 2017Date of Patent: June 2, 2020Assignee: LG CHEM, LTD.Inventors: Hyung-Man Cho, Sol-Nip Lee, Song-Taek Oh, Hyeok-Moo Lee
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Patent number: 10658679Abstract: A printed energy storage device includes a first electrode including zinc, a second electrode including manganese dioxide, and a separator between the first electrode and the second electrode, the first electrode, second, electrode, and separator printed onto a substrate. The device may include a first current collector and/or a second current collector printed onto the substrate. The energy storage device may include a printed intermediate layer between the separator and the first electrode. The first electrode, and the second electrode may include 1-ethyl-3-methylimidazolium tetrafluoroborate (C2mimBF4). The first electrode and the second electrode may include an electrolyte having zinc tetrafluoroborate (ZnBF4) and 1-ethyl-3-methylimidazolium tetrafluoroborate (C2mimBF4). The first electrode, the second electrode, the first current collector, and/or the second current collector can include carbon nanotubes. The separator may include solid microspheres.Type: GrantFiled: May 22, 2018Date of Patent: May 19, 2020Assignee: Printed Energy Pty LtdInventors: Vera N. Lockett, John G. Gustafson, Alexandra E. Hartman, Mark D. Lowenthal, William J. Ray
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Patent number: 10658127Abstract: An ultracapacitor that contains a first electrode, second electrode, separator, nonaqueous electrolyte, and housing is provided. The first electrode comprises a first current collector electrically coupled to a first carbonaceous coating and the second electrode comprises a second current collector electrically coupled to a second carbonaceous coating. The nonaqueous electrolyte is in ionic contact with the first electrode and the second electrode, wherein the nonaqueous electrolyte contains an ionic liquid that is dissolved in a nonaqueous solvent at a concentration of about 1.0 mole per liter or more. The nonaqueous solvent has a boiling temperature of about 150° C. or more.Type: GrantFiled: May 18, 2017Date of Patent: May 19, 2020Assignee: AVX CorporationInventors: Jonathan Robert Knopsnyder, Bharat Rawal
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Patent number: 10658125Abstract: An electrochemical device is constituted by a positive electrode, a negative electrode, and separators that are wound in such a way that the first principal face of the negative electrode and third principal face of the positive electrode are on the inner side of winding, while the second principal face of the negative electrode and fourth principal face of the positive electrode are on the outer side of winding, with the separators separating the positive electrode and negative electrode; wherein the second principal face has a first region opposed to the positive electrode via the separator and a second region on the outermost side of winding and not opposed to the positive electrode, the second region includes a first uncoated region where no negative electrode active material layer is formed, and a metal lithium is joined to the first uncoated region and immersed in electrolytic solution.Type: GrantFiled: October 31, 2018Date of Patent: May 19, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Koji Kano, Shinji Ishii, Katsunori Yokoshima, Hiroki Takahashi, Takatoshi Nagase
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Patent number: 10658126Abstract: There is provided a capacitor electrode material that does not require the use of a conductive aid and can increase the capacitance of an electric double layer capacitor. A capacitor electrode material comprising resin-remaining partially exfoliated graphite obtained by pyrolyzing a resin in a composition in which the resin is fixed to graphite or primary exfoliated graphite by grafting or adsorption, the resin-remaining partially exfoliated graphite having a structure in which graphite is partially exfoliated, with part of the resin remaining; and a binder resin.Type: GrantFiled: December 19, 2014Date of Patent: May 19, 2020Assignees: SEKISUI CHEMICAL CO., LTD., OITA UNIVERSITYInventors: Akihiko Fujiwara, Shoji Nozato, Akira Nakasuga, Shunji Hyodo, Hiroshi Yoshitani, Masahiro Toyoda
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Patent number: 10644326Abstract: A lithium-air battery catalyst having a 1D polycrystalline tubes structure of a ruthenium oxide-manganese oxide complex includes the ruthenium oxide-manganese oxide complex having at least one polycrystalline tubes structure among a core fiber-shell patterned nanotubes structure and a double walls patterned composite double tubes structure, and the ruthenium oxide-manganese oxide complex is formed as an air electrode catalyst.Type: GrantFiled: July 4, 2016Date of Patent: May 5, 2020Assignee: Korea Advanced Institute of Science and TechnologyInventors: Il-Doo Kim, Ki Ro Yoon
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Patent number: 10614968Abstract: The present disclosure provides supercapacitors that may avoid the shortcomings of current energy storage technology. Provided herein are supercapacitor devices, and methods of fabrication thereof comprising the manufacture or synthesis of an active material on a current collector and/or the manufacture of supercapacitor electrodes to form planar and stacked arrays of supercapacitor electrodes and devices. Prototype supercapacitors disclosed herein may exhibit improved performance compared to commercial supercapacitors. Additionally, the present disclosure provides a simple, yet versatile technique for the fabrication of supercapacitors through masking and etching.Type: GrantFiled: January 19, 2017Date of Patent: April 7, 2020Assignee: The Regents of the University of CaliforniaInventors: Richard Barry Kaner, Maher F. El-Kady
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Patent number: 10607788Abstract: An aerogel capacitor includes: a substrate including a capacitor structure including an aerogel, a dielectric layer and a conductive layer, and a support surrounding the capacitor structure; and an electrode unit including a first electrode and a second electrode provided on the substrate. The first electrode is connected to the aerogel and the second electrode is connected to the conductive layer.Type: GrantFiled: May 10, 2018Date of Patent: March 31, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jeong Suong Yang, Woong Do Jung, Tae Joon Park, Ho Phil Jung, Jong Suk Han
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Patent number: 10566141Abstract: Provided is a separator having excellent tearing strength, denseness, and impedance performance, and an aluminum electrolytic capacitor provided with the separator. The present invention constitutes a separator including beatable regenerated cellulose fibers, the separator having a CSF value X[ml] and tear index Y[mN·m2/g] within the ranges satisfying the following formulae. The present invention also constitutes an aluminum electrolytic capacitor in which at least one of the separators is used, the capacitor feeing formed by interposing the separator between an anode and a cathode. 0?X?300 ??Formula 1 15?Y?100 ??Formula 2 Y?0.175X?2.Type: GrantFiled: January 5, 2016Date of Patent: February 18, 2020Assignee: NIPPON KODOSHI CORPORATIONInventors: Atsushi Igawa, Naoki Fujimoto, Akiyoshi Takeuchi, Norihiro Wada
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Patent number: 10566146Abstract: An electric double-layer capacitor includes a capacitor element, which includes a positive electrode and a negative electrode that face each other in a predetermined direction; a positive plate-like terminal portion connected to one end of the capacitor element in the predetermined direction; a negative plate-like terminal portion connected to another end of the capacitor element in the predetermined direction; and an exterior body encapsulating the capacitor element, the positive plate-like terminal portion, and the negative plate-like terminal portion. The positive and the negative plate-like terminal portions include parts that face each other in the predetermined direction, and at least one protruding portion protrudes from a corresponding one of the parts toward a corner of the exterior body.Type: GrantFiled: September 29, 2017Date of Patent: February 18, 2020Assignee: TOKIN CORPORATIONInventors: Satoshi Nishishita, Shinji Miyata, Katsuhiro Yoshida, Keisuke Oga
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Patent number: 10529494Abstract: The present invention is a film capacitor comprising a dielectric film and a metal layer, the dielectric film being a resin film obtained by stretching an unstretched film produced using a crystalline hydrogenated dicyclopentadiene ring-opening polymer, and heating the resulting stretched film, and the resin film having a softening point of 250 to 320° C., a thermal shrinkage ratio of 0.01 to 5.0% when heated at 200° C. for 10 minutes, a loss tangent (tan ?) of 0.0001 to 0.0010, and a coefficient of static friction of 0.01 to 1.00. The present invention provides a film capacitor that includes a resin film as a dielectric film, the resin film exhibiting excellent heat resistance, excellent withstand voltage properties, and excellent workability.Type: GrantFiled: September 24, 2015Date of Patent: January 7, 2020Assignee: ZEON CORPORATIONInventors: Shinsuke Miyazawa, Ayako Kato
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Patent number: 10529994Abstract: A seawater battery includes an anode and a cathode corresponding to the anode. The cathode cooperates with the anode to produce a current and includes a metal substrate and a mixture coating layer. The mixture coating layer covered on the metal substrate includes a conductive polymer material and a plurality of carbon nanotubes mixed with the conductive polymer material.Type: GrantFiled: August 2, 2016Date of Patent: January 7, 2020Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Wen-Kuang Hsu, Hsiao-Ling Chen, Hsin-Jung Tsai
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Patent number: 10522301Abstract: The present invention relates to a high power energy storage device additive and a lithium ion capacitor including the same, and more particularly, to: a preparation method of a new lithium ion capacitor additive which is added to a carbon-based material applied as a cathode active material of a lithium ion capacitor such that the new lithium ion capacitor additive is capable of improving capacity and energy density by electrochemically doping a lithium ion onto an anode; the lithium ion capacitor additive prepared thereby; and the lithium ion capacitor including the lithium ion capacitor additive. The lithium ion capacitor additive according to the present invention can release 3 mols or more of lithium ions even at a low voltage of 4.Type: GrantFiled: May 4, 2016Date of Patent: December 31, 2019Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Jun Ho Song, Young Jun Kim, Min Sik Park
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Patent number: 10504662Abstract: The method of making a supercapacitor using porous activated carbon from cow dung includes converting cow dung to porous activated carbon by, in a first step, preparing the dung waste by washing and drying the dung waste, and heating the dung waste in a vacuum environment to form pre-carbonized carbon. In a second step, the pre-carbonized carbon is impregnated with phosphoric acid to form a slurry, which is dried, ground, and heated in a vacuum to between 600-900° C. to form porous activated carbon. The porous activated carbon is mixed with a binder, acetylene black, and an organic solvent to form a paste, which is dried on a conductive metal foil to form an electrode. Two such electrodes (an anode and cathode) to are coated with an electrolyte gel (e.g., aqueous potassium hydroxide) and separated by a polymer (e.g., PTFE) membrane to form the supercapacitor.Type: GrantFiled: November 8, 2018Date of Patent: December 10, 2019Assignee: King Saud UniversityInventors: Jothi Ramalingam Rajabathar, Hamad Abdullah Al-Lohedan, Judith J. Vijaya, M. Sivachidambaram
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Patent number: 10495599Abstract: An electrode that comprises a nanostructured material that comprises pyrolyzed date palm leaves that are obtained from a pyrolysis of an agro-waste containing date palm leaves in an inert gas and in a temperature range of 800 to 1600° C., an electrochemical cell thereof, and a method of determining a hydroquinone concentration in a hydroquinone-containing solution with the electrochemical cell. Various combinations of embodiments are also provided.Type: GrantFiled: June 14, 2019Date of Patent: December 3, 2019Assignee: King Fahd University of Petroleum and MineralsInventor: Md. Abdul Aziz
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Patent number: 10472262Abstract: Provided are a capacitive deionization electrode module, a method of manufacturing the same, and a deionization apparatus using the same. The capacitive deionization electrode module includes: a conductive support that is formed by injecting and fixing carbon-based electrode powders into and to fine pores of a porous substrate; and a coating layer coated on one surface of the conductive support, to thereby implement a current collector for the deionization apparatus having ultra-thin, slim, and excellent flexible features.Type: GrantFiled: February 17, 2016Date of Patent: November 12, 2019Assignee: AMOGREENTECH CO., LTD.Inventors: Jun Sik Hwang, In Yong Seo
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Patent number: 10468713Abstract: Provided is a binder composition for a non-aqueous secondary battery positive electrode that can form a positive electrode with which it is possible to obtain a non-aqueous secondary battery having excellent life characteristics even when aging treatment is carried out under low-temperature and low-depth of charge conditions. The binder composition contains a first binder, iron, and at least one of ruthenium and rhodium. The total iron, ruthenium, and rhodium content is no greater than 5×10?3 parts by mass per 100 parts by mass of the first binder.Type: GrantFiled: December 25, 2015Date of Patent: November 5, 2019Assignee: ZEON CORPORATIONInventors: Maki Katagiri, Yasuhiro Wakizaka, Mayumi Fukumine
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Patent number: 10468201Abstract: A super-capacitor has a substrate, at least two porous electrodes integrated within the substrate, and an electrolyte extending between the at least two porous electrodes. The electrolyte is integrated with the substrate, and is positioned within the substrate. The at least two porous electrodes and electrolyte are configured to store charge as a super-capacitor.Type: GrantFiled: October 8, 2014Date of Patent: November 5, 2019Assignee: Analog Devices, Inc.Inventors: Yingqi Jiang, Kuang L. Yang
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Patent number: 10450886Abstract: An aeronautical propulsion system includes a fan having a plurality of fan blades and an electric motor drivingly connected to the fan for rotating the plurality of fan blades. A chemically rechargeable ultra-capacitor is included for providing the electric motor with a substantially continuous flow of electric energy during operation of the chemically rechargeable ultra-capacitor, resulting in a more efficient aeronautical propulsion system.Type: GrantFiled: December 22, 2015Date of Patent: October 22, 2019Assignee: General Electric CompanyInventor: Mohammed El Hacin Sennoun
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Patent number: 10446334Abstract: An electric energy storage device in which a cell assembly having electrode leads is installed in a metal case. The electric energy storage device includes an internal terminal formed with a support, connection ribs and thorough portions, and the electrode leads include a part of electrode leads compressed by the support and the connection ribs of the internal terminal and a part of electrode leads located at the thorough portions of the internal terminal to maintain a shape thereof.Type: GrantFiled: January 8, 2016Date of Patent: October 15, 2019Assignee: LS MTRON LTD.Inventors: Yu-Il Yoon, Ha-Young Lee, Sang-Hyun Bae, Dong-Il Shin, Hyun-Seok Ko, Kyeong-Hoon Park, Ho-Lim Kang
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Patent number: 10435520Abstract: A polyamide/hybrid carbon filler composite is disclosed. The composite includes a polyamide as a matrix and a hybrid carbon filler dispersed in and bonded to the polyamide matrix. The hybrid carbon filler is composed of a nano carbon and a carbon fiber. Also disclosed is a method for preparing the polyamide/hybrid carbon filler. The method includes simultaneously subjecting a mixture of a polyamide and a hybrid carbon filler to mechanofusion and plasma treatments.Type: GrantFiled: December 6, 2017Date of Patent: October 8, 2019Assignee: Korea Institute of Science and TechnologyInventors: Jong Hyuk Park, Min Park, Sang-Soo Lee, Heesuk Kim, Jeong Gon Son, Phillip Lee, Ji-Won You, Young Mo Lee
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Patent number: 10438752Abstract: Electrode for storing electrical energy including a metal current collector and an active material, the current collector being coated on at least one portion of one of its faces with at least one protective layer placed between the current collector and the active material, the protective layer including: (A) a polymer matrix including: (A1) at least one cross-linked epoxy polymer or copolymer, (A2) at least one elastomer, and (B) conductive fillers. This system is used in aqueous electrolyte supercapacitors, the protective layer allowing a very significant reduction in corrosion problems that are generally associated with the use of aqueous electrolytes to be achieved and the adhesion of the active material to the metal collector to be improved.Type: GrantFiled: October 30, 2015Date of Patent: October 8, 2019Assignee: HUTCHINSONInventors: Carole Buffry, Bruno Dufour, Elodie Morisset, Philippe Sonntag
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Patent number: 10431394Abstract: An object of the present invention is to provide a capacitor excellent in reliability, of which charge-discharge characteristics are hardly deteriorated. The capacitor of the present invention includes: a capacitor element including a positive electrode and a negative electrode; and a case that stores the capacitor element together with an electrolytic solution, wherein at least one of the positive electrode and the negative electrode contains activated carbon, and a sum of volumes per unit weight of pores having a pore diameter of from 30 ? to 100 ? inclusive among pores of the activated carbon is 0.2 cm3/g or more.Type: GrantFiled: December 16, 2016Date of Patent: October 1, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Eri Hirose, Mitsuhiro Fujita, Hiroyuki Yanagisawa, Yasuyuki Ito
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Patent number: 10410800Abstract: Provided is a high capacity energy storage capacitor including: a cathode; and an anode arranged to face the cathode, wherein the cathode includes a current collector and a cathode material layer formed by applying a cathode material on one side or the other side of the current collector, and the anode includes a current collector an anode material layer formed by applying an anode material on one side or the other side of the current collector, wherein the cathode material is formed by mixing 70 to 99 wt % of nano-perforated graphene coating cathode active material and 1 to 30 wt % of nano-perforated graphene granular body, and the anode material is formed by mixing 70 to 95 wt % of nano-perforated graphene coating anode active material and 5 to 30 wt % of nano-perforated graphene granular body.Type: GrantFiled: February 7, 2018Date of Patent: September 10, 2019Assignee: SAMHWA CAPACITOR CO., LTD.Inventors: Young Joo Oh, Jung Rag Yoon, Byung Gwan Lee, Jong Kyu Lee
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Patent number: 10403896Abstract: An electrical storage device electrode binder composition exhibits an excellent binding capability, and makes it possible to produce an electrical storage device electrode that exhibits excellent charge-discharge durability characteristics. The electrical storage device electrode binder composition includes a polymer (A) and a liquid medium (B), wherein the polymer (A) is polymer particles, and the ratio (DA/DB) of the average particle size (DA) of the polymer particles measured by using a dynamic light scattering method to the average particle size (DB) of the polymer particles measured by TEM observation is 2 to 10.Type: GrantFiled: August 13, 2015Date of Patent: September 3, 2019Assignee: JSR CORPORATIONInventors: Takuya Nakayama, Souichi Saijou, Masashi Iida
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Patent number: 10388466Abstract: Energy storage devices comprising carbon-based electrodes and/or redox electrolytes are disclosed herein. In some embodiments, the carbon-based electrodes comprise laser-scribed activated carbon comprising one or more micro-channels. In some embodiments, the redox electrolytes comprise a ferricyanide/ferrocyanide redox couple. Also described are processes, methods, protocols and the like for manufacturing carbon-based electrodes comprising micro-channels for use in high energy storage devices such as supercapacitors, and for manufacturing high energy storage devices comprising redox electrolytes.Type: GrantFiled: December 20, 2017Date of Patent: August 20, 2019Assignee: The Regents of the University of CaliforniaInventors: Richard B. Kaner, Jee Youn Hwang, Mengping Li, Maher F. El-Kady
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Patent number: 10351711Abstract: This is generally a method of producing dispersed high quality engineered composite structures using flat flakes of graphene/graphene oxides/reduced graphene oxides in a host as the reinforcing additive of the composite.Type: GrantFiled: March 18, 2016Date of Patent: July 16, 2019Inventors: Sean Christiansen, David Restrepo, Dan O'Donnell, Matthew McInnis, Richard Stoltz, Jeff Bullington
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Patent number: 10354809Abstract: An electrochemical device is constituted by a positive electrode, a negative electrode, and separators that are wound in such a way that the first principal face of the negative electrode and third principal face of the positive electrode are on the inner side of winding, while the second principal face of the negative electrode and fourth principal face of the positive electrode are on the outer side of winding, with the separators separating the positive electrode and negative electrode; wherein the second principal face has a first region opposed to the positive electrode via the separator and a second region on the outermost side of winding and not opposed to the positive electrode, the second region includes a first uncoated region where no negative electrode active material layer is formed, and a metal lithium is joined to the first uncoated region and immersed in electrolytic solution.Type: GrantFiled: February 15, 2017Date of Patent: July 16, 2019Assignee: TAIYO YUDEN CO., LTD.Inventors: Koji Kano, Shinji Ishii, Katsunori Yokoshima, Hiroki Takahashi, Takatoshi Nagase
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Patent number: 10320002Abstract: A method for manufacturing an electrode sheet includes the steps of forming a granulated material containing a plurality of granules; forming an electrode mixture layer by molding the granulated material into a sheet; and placing the electrode mixture layer on electrode current collector foil. The step of forming the granulated material includes the steps of forming a granule containing at least an electrode active material and a binder; and adhering a polyglycerol fatty acid ester to a surface of the granule.Type: GrantFiled: June 20, 2016Date of Patent: June 11, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroya Umeyama, Tatsuya Hashimoto, Yusuke Fukumoto, Naoto Onodera, Koichi Toriyama
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Patent number: 10319535Abstract: A high power density energy storage device having enhanced operation voltage is provided. Such a device can include a cathode having a structured surface on a conductive substrate, an anode positioned adjacent to the cathode, where the anode includes a silicon substrate having a structured surface, and wherein the structured surface of the cathode is oriented toward the structured surface of the anode. The device can further include a dielectric material applied to the structured surface of the anode, a conductive material or a pseudocapacitive material applied to the structured surface of the cathode, and an electrolyte disposed between the cathode and the anode.Type: GrantFiled: September 27, 2013Date of Patent: June 11, 2019Assignee: Intel CorporationInventor: Chen Zhaohui
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Patent number: 10319955Abstract: A power storage device with high capacity per unit volume, a flexible power storage device with a novel structure, a repeatedly bendable power storage device, a highly reliable power storage device, or a long-life power storage device is provided. The power storage device includes an inner structure and an exterior body surrounding the inner structure. The inner structure includes a positive electrode and a negative electrode. The exterior body includes a first film containing titanium and one or more elements selected from niobium, tantalum, vanadium, zirconium, and hafnium. It is preferable that the first film further contain one or more elements selected from molybdenum, chromium, and aluminum.Type: GrantFiled: June 8, 2016Date of Patent: June 11, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Kosei Noda
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Patent number: 10312028Abstract: An ultra-thin electrochemical energy storage device is provided which utilizes electrode material with multi-layer current collectors and with an organic electrolyte between the electrodes. Multiple cells may be positioned in a plurality of stacks and all of the cells may be in series, parallel or some combination thereof. The energy storage device can be constructed at less than 0.5 millimeters thick and exhibit very low ESR and higher temperature range capabilities.Type: GrantFiled: June 25, 2015Date of Patent: June 4, 2019Assignee: AVX CorporationInventors: Bharat Rawal, Carl L. Eggerding, Bob Knopsnyder
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Patent number: 10297838Abstract: An apparatus including a first electrode including a substantially homogeneous mixture of graphene oxide and a proton conductor; a second electrode including reduced graphene oxide; and spaced-apart charge collectors for the respective first and second electrodes, wherein the first and second electrodes extend from their respective charge collectors towards one another to form a junction at an interface there between, and wherein the substantially homogeneous mixture of the first electrode is configured to be sufficiently hydrophobic to prevent intermixing of the homogeneous mixture with the reduced graphene oxide of the second electrode in proximity to one or both of the respective charge collectors to prevent short circuiting of the spaced-apart charge collectors.Type: GrantFiled: October 8, 2015Date of Patent: May 21, 2019Assignee: Nokia Technologies OyInventor: Di Wei
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Patent number: 10297393Abstract: A capacitor assembly for use in ultrahigh voltage environments is provided. To help achieve good performance at such high voltages, a variety of aspects of the assembly are controlled in the present invention, including the number of capacitor elements, the manner in which the capacitor elements are arranged and incorporated into the assembly, and the manner in which the capacitor elements are formed. For example, the capacitor assembly contains an anode termination to which the anode lead of a first capacitor element is electrically connected and a cathode termination to which the cathode of a second capacitor element is electrically connected. To help improve the breakdown voltage properties of the assembly, the capacitor elements are electrically connected in series such that the anode lead of the second capacitor element is also electrically connected to the cathode of the first capacitor element via a conductive member.Type: GrantFiled: March 13, 2015Date of Patent: May 21, 2019Assignee: AVX CorporationInventors: Jan Petrzilek, Jiri Navratil, Martin Biler
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Patent number: 10283813Abstract: A non-liquid electrolyte for use in an energy storage device comprising a mixture of ionic liquid and a thickener that interact to evolve into a gel network, wherein the thickener comprises a macromolecule; and a method of making the same.Type: GrantFiled: April 16, 2018Date of Patent: May 7, 2019Inventor: Kuei Yung Wang Chen
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Patent number: 10276902Abstract: A pouch type secondary battery includes an electrode assembly and a pouch sheath material including a first pouch portion and a second pouch portion. The pouch-type secondary battery includes dual electrode leads wherein a first electrode lead is attached to the first pouch portion and a second electrode lead is attached to the second pouch portion. In the pouch-type secondary battery, electric current is interrupted by using a volumetric swelling phenomenon caused by swelling or pressure generated upon overcharge so that the battery may be prevented from being further charged. In addition, when pressure is increased by an additional reaction, venting occurs toward the inner lead portion of each of the dual electrode leads. As a result, it is possible to increase the stability of a battery cell, module and a pack received in the pouch, and thus to improve the life of a battery.Type: GrantFiled: April 22, 2016Date of Patent: April 30, 2019Assignee: LG Chem, Ltd.Inventors: Jong-Pil Park, Jong-Hun Kim, Jung-Hoon Yang, Young-Suk Cho
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Patent number: 10270082Abstract: The present invention relates to a porous carbon material having a co-continuous structure forming portion in which carbon skeletons and voids form continuous structures, respectively and which has a structural period of 0.002 ?m to 3 ?m, having pores which have an average diameter of 0.01 to 10 nm on a surface thereof, and having a BET specific surface area of 100 m2/g or more.Type: GrantFiled: June 26, 2015Date of Patent: April 23, 2019Assignee: Toray Industries, Inc.Inventors: Tomoyuki Horiguchi, Kentaro Tanaka, Kosaku Takeuchi, Takaaki Mihara
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Patent number: 10270100Abstract: Provided is an electrode material which has a co-continuous porous structure configured from a carbon skeleton and voids and which, by providing a large surface area, has excellent electrical conductivity, thermal conductivity, etc. This electrode material includes a porous carbon material having a co-continuous structure portion in which a carbon skeleton and voids form a continuous structure, and in the porous carbon material, the specific surface area measured by the BET method is 1 to 4500 m2/g, and the pore volume measured by the BJH method is 0.01 to 2.0 cm3/g.Type: GrantFiled: July 9, 2015Date of Patent: April 23, 2019Assignee: Toray Industries, Inc.Inventors: Takaaki Mihara, Kentaro Tanaka, Kosaku Takeuchi, Tomoyuki Horiguchi
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Patent number: 10256049Abstract: A positive electrode for a lithium ion capacitor includes a positive electrode layer which, after a pretreatment for measurement, has a volume of pores having pore size of not lower than 1.0 nm and lower than 1.4 nm of not lower than 0.11 cc/g, calculated by an HK method, and total pore volume calculated by a BET method of not more than 1.1 cc/g. In the pretreatment: the positive electrode is taken out of a cell of cell voltage of 3 V, cut out and immersed in 10 cc of dehydrated acetonitrile per 1 cm3 of the positive electrode at 25° C. for 10 minutes with stirring. This immersion is repeated three times, and the positive electrode is in a pre-drying at 60° C. for 1 hour. The positive electrode layer is then scraped off from the positive electrode and dried for 2 hours at 200° C. and pressure reduced to 5.5 Pa.Type: GrantFiled: March 30, 2015Date of Patent: April 9, 2019Assignee: JM ENERGY CORPORATIONInventors: Norihiro Yamamoto, Kenji Kojima
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Patent number: 10249881Abstract: The present invention provides an electrode material for metal-air batteries which has a homogeneous co-continuous structure due to a carbon skeleton and voids and is excellent in terms of permeability to and diffusibility of ions, oxygen, electrolytes, and electrolytic solutions and which, due to the formation of the carbon network, can rapidly diffuse the heat generated by battery reactions and has satisfactory electrical conductivity. The electrode material for metal-air batteries includes a porous carbon material having a co-continuous structure portion in which a skeleton constituted of carbon and voids form a co-continuous structure and which has a structural period, as calculated by X-ray scattering method or X-ray CT method, of 0.002-10 ?m.Type: GrantFiled: July 9, 2015Date of Patent: April 2, 2019Assignee: Toray Industries, Inc.Inventors: Takaaki Mihara, Kentaro Tanaka, Kosaku Takeuchi, Tomoyuki Horiguchi
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Patent number: 10249448Abstract: An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.Type: GrantFiled: June 9, 2017Date of Patent: April 2, 2019Assignee: Maxwell Technologies, Inc.Inventors: Priya Bendale, Robert Crawford, Porter Mitchell, Jeffrey Nelson, Doug Schafer, Xiaomei Xi
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Patent number: 10236477Abstract: Heat resistant, highly conductive electrochemical cells for high temperature applications are described herein, having at least two electrodes and at least one separator enclosed in heat resistant ceramic enclosure with metalized terminals on its bottom. The electrodes have their tabs welded to inside connectors, and the cells are solderable to circuit boards or various circuits.Type: GrantFiled: August 10, 2016Date of Patent: March 19, 2019Assignee: OPTIXTAL, INC.Inventors: Sagar Venkateswaran, Franciscus X. Pratiktohadi
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Patent number: 10217570Abstract: An electric storage device has an electrode body and a housing body. The electrode body has a plurality of positive plates and a plurality of negative plates. The positive plates and the negative plates are alternately stacked on each other via separators. The housing body houses the electrode body together with an ion conductor. The electric storage device is provided with a magnetic field generating unit that generates magnetic force lines in a certain direction.Type: GrantFiled: October 20, 2016Date of Patent: February 26, 2019Assignee: JTEKT CORPORATIONInventors: Takashi Matsuura, Koji Nishi, Takumi Mio, Yukihiro Komatsubara