Electrolytes For Electrical Devices (e.g., Rectifier, Condenser) Patents (Class 252/62.2)
  • Patent number: 11302959
    Abstract: Provided are an electrolyte for a lithium metal battery and a lithium metal battery including the electrolyte, wherein the electrolyte includes a composite including a lithium ion-conductive compound which is a non-carbonate-based substance having resistance to reduction of lithium metal, a polymerization product of a crosslinkable polymer, and a lithium salt, wherein the lithium ion-conductive compound is glycol ether.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: April 12, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Heeeun Yoo, Duckhyun Kim, Taeri Kwon, Taehyun Bae, Woocheol Shin, Minju Lee, Siyoung Cha
  • Patent number: 11244793
    Abstract: Disclosed are a hybrid aluminum electrolytic capacitor and a method of producing the same. The preparation method includes impregnating a capacitive element in a fluid to improve the low-temperature property, where the fluid is prepared from a first organic solvent having a boiling point of 180° C. or more and a melting point of ?50° C. or less, a small number of an inorganic or organic acid and an amine having a boiling point of 180° C. or more.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 8, 2022
    Assignee: CAPXON ELECTRONIC(SHEN ZHEN)CO., LTD.
    Inventor: Yizhu Lin
  • Patent number: 11245131
    Abstract: A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0<M1/(Li+M1)?0.07, and the solid electrolyte has peaks at positions of 15.42°±0.50° 2?, 17.87° degrees±0.50° degrees 2?, 25.48° degrees±0.50° degrees 2?, 30.01° degrees±0.50° 2?, and 31.38°±0.50° 2? when analyzed by X-ray diffraction using CuK? radiation.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tomoyuki Tsujimura, Naoki Suzuki, Yuichi Aihara
  • Patent number: 11223071
    Abstract: This disclosure provides systems, methods, and apparatus related to Li-ion batteries. In one aspect an electrolyte structure for use in a battery comprises an electrolyte and an interconnected boron nitride structure disposed in the electrolyte.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: January 11, 2022
    Assignee: The Regents of the University of California
    Inventors: Onur Ergen, Alexander K. Zettl
  • Patent number: 11205798
    Abstract: A capacitor-assisted, solid-state lithium-ion battery is formed by replacing at least one of the electrodes of the battery with a capacitor electrode of suitable particulate composition for the replaced battery particulate anode or cathode material. The solid-state electrodes typically contain solid-state electrode material and are separated with solid-state electrode material. In another embodiment the capacitor anode or cathode particles may be mixed with lithium-ion battery anode or cathode particles respectively. Preferably, the battery comprises at least two positively-charged electrodes and two negatively-charged electrodes, and the location and compositions of the capacitor material electrode(s) may be selected to provide a desired combination of energy and power.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: December 21, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Zhe Li, Dave G. Rich, Haijing Liu, Dewen Kong, Sherman H. Zeng
  • Patent number: 11173464
    Abstract: Some variations provide a method of assembling a plurality of particles into particle assemblies, comprising: (a) obtaining a first fluid containing particles and a solvent for the particles; (b) obtaining a second fluid not fully miscible with the first fluid; (c) obtaining a third fluid that is a co-solvent for the first fluid and the second fluid; (d) combining the first fluid and the second fluid to generate an emulsion containing droplets of the first fluid in the second fluid; (e) adding the third fluid to the emulsion; and (f) dissolving out the solvent from the droplets into the third fluid, thereby forming particle assemblies. Some variations also provide an assembly of nanoparticles, wherein the assembly has a volume from 1 ?m3 to 1 mm3, a packing fraction from 20% to 100%, and/or an average relative surface roughness less than 1%, wherein the assembly is not disposed on a substrate.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: November 16, 2021
    Assignee: HRL Laboratories, LLC
    Inventors: Christopher S. Roper, Shanying Cui, Adam F. Gross
  • Patent number: 11177079
    Abstract: An aqueous electrolyte for a pseudo-capacitor and a pseudo-capacitor comprising the same, and more particularly an aqueous electrolyte for a pseudo-capacitor comprising an aqueous solvent, and a certain concentration or more of a lithium salt and a zwitterionic compounds, and a pseudo-capacitor comprising the aqueous electrolyte described above.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: November 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Donghoon Suh, Seokhyun Yoon
  • Patent number: 11108033
    Abstract: The present invention relates to an electrochemical cell (10) comprising a negative electrode (11) comprising alkali metal or alkaline earth metal (e.g. lithium), a positive electrode (12), and an electrolytic solution (13) between the negative electrode (11) and positive electrode (12). A salt (e.g. LiPF6) comprising ions of the corresponding alkali metal or alkaline earth metal of the negative electrode is dissolved in the electrolytic solution (13) with a molarity lower than 0.25M, and at least one supporting salt (e.g. TBAPF6) is dissolved in the electrolytic solution to improve the conductivity of the electrolytic solution. In addition, the electrochemical cell is configured to receive at least one electrical nucleation pulse (20; 40) having a pulse length (lp) prior to applying an electrical deposition current (21; 41) for charging of the electrochemical cell (10).
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: August 31, 2021
    Inventors: David Rehnlund, Leif Nyholm
  • Patent number: 11088393
    Abstract: A battery with excellent output characteristics and stability. The battery comprising a cathode, an anode and a separator disposed between the cathode and the anode, wherein the cathode comprises an aqueous electrolyte and a cathode active material; wherein the anode comprises an anode active material; wherein the separator comprises a first oxide electrolyte sintered body and a resin; wherein the first oxide electrolyte sintered body has grain boundaries between crystal particles of a garnet-type ion-conducting oxide represented by a general formula (A); wherein a number average particle diameter of the crystal particles is 3 ?m or less; and wherein the first oxide electrolyte sintered body satisfies the following formula 1: Rgb/(Rb+Rgb)?0.6 where Rb is an intragranular resistance value that is an ion conductivity resistance inside the crystal particles, and Rgb is a grain boundary resistance value that is an ion conductivity resistance of the grain boundaries between the crystal particles.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: August 10, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Shinji Nakanishi, Hiroshi Suyama, Shingo Ohta
  • Patent number: 11084723
    Abstract: The present invention relates to a method for drying and purifying a lithium bis(fluorosulfonyl)imide salt in solution in an organic solvent S1, said method comprising the following steps: a) adding deionised water to dissolve and extract the lithium bis(fluorosulfonyl)imide salt, forming an aqueous solution of said salt; b) extracting the lithium bis(fluorosulfonyl)imide salt from said aqueous solution, using an organic solvent S2, said step being repeated at least once; c) concentrating the lithium bis(fluorosulfonyl)imide salt by evaporating said organic solvent S2 and the water, in a short-path thin-film evaporator, under the following conditions: temperature of 30° C. to 95° C., pressure of 10?3 mbar abs to 5 mbar abs, residence time no longer than 15 min; and d) optionally crystallising the lithium bis(fluorosulfonyl)imide salt. The present invention likewise relates to a composition made of lithium bis(fluorosulfonyl)imide salt, and the uses thereof in Li-ion batteries.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 10, 2021
    Assignee: ARKEMA FRANCE
    Inventors: Grégory Schmidt, Rémy Teissier
  • Patent number: 11088391
    Abstract: Provided is a lithium ion battery whose manufacturing process is simple and which has high energy density and heat resistance.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: August 10, 2021
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, MURATA MANUFACTURING CO., LTD.
    Inventors: Akihiro Yamano, Tetsuo Sakai, Masahiro Yanagida, Masanori Morishita, Masashi Higuchi
  • Patent number: 11063300
    Abstract: [Object] To provide an all-solid-state battery including an all-solid-state battery laminate which is covered with a resin layer, in which cracking of the resin layer due to changes in volume of the all-solid-state battery laminate can be prevented. [Solution To Problem] Provided is an all-solid-state battery, including an all-solid-state battery laminate including at least one all-solid-state unit cell obtained by laminating a positive electrode current collector layer, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector layer in this order, and a resin layer, wherein the resin layer covers at least the side surfaces of the all-solid-state battery laminate, and a cavity is present between the side surfaces of at least the negative electrode active material layer and the resin layer.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: July 13, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Tetsuya Waseda
  • Patent number: 11050083
    Abstract: The present invention relates to a high energy density lithium metal polymer (LMP) battery comprising a positive electrode that includes a high potential positive electrode active material and a block copolymer of AB or BAB type, A being an ethylene oxide block and B being an anionic polymer block based on lithium bis(trifluoromethylsulfonyl)imide.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: June 29, 2021
    Assignees: BLUE SOLUTIONS, INSTITUT POLYTECHNIQUE DE GRENOBLE
    Inventors: Renaud Bouchet, Marc Deschamps
  • Patent number: 10998578
    Abstract: Systems and methods of providing an electrolyte membrane for metal batteries are described. According to aspects of the disclosure, a battery cell includes an anode, a cathode, and an electrolyte membrane therebetween. The electrolyte membrane is formed from a mixture including a matrix precursor portion and an electrolyte portion. In some aspects, the membrane is polymerized after being applied to the battery component.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: May 4, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Fang Dai, Mahmoud Abd Elhamid, Mei Cai, Anne M. Dailly, Robert M. Lapierre
  • Patent number: 10941499
    Abstract: A method for electrodepositing aluminum and nickel using a single electrolyte solution includes forming a mixture comprising nickel chloride and an organic halide, adding aluminum chloride to the electrolyte solution in an amount at which the mixture becomes an acidic electrolyte solution, providing a working electrode and a counter electrode in the acidic electrolyte solution, and applying a waveform to the counter electrode using cyclic voltammetry to cause aluminum and nickel ions to be deposited on the working electrode.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: March 9, 2021
    Assignee: UNIVERSITY OF SOUTH FLORIDA
    Inventors: Ammar Bin Waqar, Wenjun Cai
  • Patent number: 10910672
    Abstract: Electrochemical devices and processes for forming them include an anode having magnesium, a cathode, and an electrolyte in contact with the anode and the cathode. The electrolyte includes a carboranyl magnesium salt and a mixed ether solvent in which the carboranyl magnesium salt is dissolved. The mixed ether solvent includes a first ether solvent and a second ether solvent that is different from the first ether solvent.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: February 2, 2021
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Rana Mohtadi, Oscar Tutusaus
  • Patent number: 10879009
    Abstract: The present invention aims to provide an electrolyte solution for electrolytic capacitors and an electrolytic capacitor, in which the electrolyte solution has high sparking voltage and good heat resistance and does not readily solidify even at low temperatures, so that the electrolytic capacitor can be driven even in cold areas. The electrolyte solution for electrolytic capacitors of the present invention contains a solvent (C); and an electrolyte, the electrolyte consisting of a salt of a diprotic acid component (A) and a base (B), the diprotic acid component (A) containing two or more diprotic acids, wherein the two or more diprotic acids are characterized such that a mixture (E) of two or more acid anhydrides corresponding to a diprotic acid mixture containing the two or more diprotic acids is a liquid at 50° C., with the molar ratio of the acid anhydrides being the same as that of the diprotic acids in the diprotic acid component (A).
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: December 29, 2020
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Shiba, Fumiyuki Tanabe, Yoshihiko Akazawa, Takao Mukai, Hideki Kimura
  • Patent number: 10873031
    Abstract: Disclosed are a p-doped conjugated small molecular electrolyte containing a compound represented by Formula 1 and an organic electronic device using the same as a hole transport material. [Ar2—Ar1—Ar2]+??<Formula 1> wherein, in Formula 1, Ar1 is any one selected from the following Compound Group 1, Ar2 is any one selected from the following Compound Group 2a or the following Compound Group 2b, and superscript “+” in the square bracket indicates an oxidized portion of a main chain of the small molecule.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: December 22, 2020
    Assignee: GWANGJU INSTITUTE OE SCIENCE AND TECHNOLOGY
    Inventors: Kwanghee Lee, Seoung-Ho Lee, Jong-Hoon Lee, Song-Yi Jeong
  • Patent number: 10854914
    Abstract: Provided are a solid electrolyte composition comprising: a specific inorganic solid electrolyte and a binder, in which a polymer constituting the binder includes a macromonomer component having a mass-average molecular weight of 1,000 or more and less than 1,000,000 and includes a ring structure of two or more rings, a sheet for an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery for which the solid electrolyte is used, and methods for manufacturing a sheet for an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: December 1, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Mimura, Hiroaki Mochizuki, Masaomi Makino
  • Patent number: 10847852
    Abstract: Disclosed is a hybrid electrochemical cell with a first conductor having at least one portion that is both a first capacitor electrode and a first battery electrode. The hybrid electrochemical cell further includes a second conductor having at least one portion that is a second capacitor electrode and at least one other portion that is a second battery electrode. An electrolyte is in contact with both the first conductor and the second conductor. In some embodiments, the hybrid electrochemical cell further includes a separator between the first conductor and the second conductor to prevent physical contact between the first conductor and the second conductor, while facilitating ion transport between the first conductor and the second conductor.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: November 24, 2020
    Assignee: The Regents of the University of California
    Inventors: Maher F. El-Kady, Richard B. Kaner
  • Patent number: 10840031
    Abstract: An ultracapacitor that is in contact with a hot atmosphere having a temperature of about 80° C. or more is provided. The ultracapacitor 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 capacitor exhibits a capacitance value within the hot atmosphere of about 6 Farads per cubic centimeter or more as determined at a frequency of 120 Hz and without an applied voltage.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: November 17, 2020
    Assignee: AVX Corporation
    Inventors: Jonathan Robert Knopsnyder, Shawn Hansen, Andrew P. Ritter
  • Patent number: 10818925
    Abstract: An electrical or electrochemical cell, including a cathode layer, an electrolyte layer, and an anode layer is disclosed. The cathode layer includes a first material providing a cathodic electric transport, charge storage or redox function. The electrolyte layer includes a polymer, a first electrolyte salt, and/or an ionic liquid. The anode layer includes a second material providing an anodic electric transport, charge storage or redox function. At least one of the cathode and anode layers includes the ionic liquid, a second electrolyte salt, and/or a transport-enhancing additive.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: October 27, 2020
    Assignee: Imprint Energy, Inc.
    Inventors: John Devin MacKenzie, Christine Chihfan Ho, Karthik Yogeeswaran, Po-Jen Cheng
  • Patent number: 10818971
    Abstract: An improved, low porosity, solid electrolyte membrane and a method of manufacturing the solid electrolyte membrane are provided. The low porosity, solid electrolyte membrane significantly improves both mechanical strength and porosity of the membrane, inhibits the growth of lithium dendrites (Li dendrites), and thereby maintains and maximizes electrochemical stability of an all-solid-state battery. This is accomplished by wet-coating a sulfide or oxide solid electrolyte particle with a thermoplastic resin, or a mixture of the thermoplastic resin and a thermosetting resin, using a solvent to prepare a composite and hot-pressing the composite at a relatively low temperature and at a low pressure.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: October 27, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Oh Min Kwon, Hong Seok Min, Yong Sub Yoon, Kyung Su Kim, Dae Yang Oh, Yoon Seok Jung, Young Jin Nam, Sung Hoo Jung
  • Patent number: 10790539
    Abstract: An object of the present disclosure is to provide a fluoride ion battery of which power generating elements (a cathode active material layer, a solid electrolyte layer, and an anode active material layer) may be formed by two kinds of members: an electrode layer and a solid electrolyte layer. The present disclosure achieves the object by providing a fluoride ion battery comprising: an electrode layer that includes a first metal element or a carbon element and has capability of fluorination and defluorination; a solid electrolyte layer containing a solid electrolyte material, the solid electrolyte material including a second metal element with lower fluorination potential and defluorination potential than the potentials of the first metal element or the carbon element; and an anode current collector, in this order; and an anode active material layer being not present between the solid electrolyte layer and the anode current collector.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 29, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hidenori Miki
  • Patent number: 10777833
    Abstract: An electrolyte membrane including (i) a porous mat of nanofibres, wherein the nanofibres are composed of a non-ionically conducting heterocyclic-based polymer, the heterocyclic-based polymer comprising basic functional groups and being soluble in organic solvent; and (ii) an ion-conducting polymer which is a partially- or fully-fluorinated sulphonic acid polymer. The porous mat is essentially fully impregnated with ion-conducting polymer, and the thickness of the porous mat in the electrolyte membrane is distributed across at least 80% of the thickness of the electrolyte membrane. Such a membrane is of use in a proton exchange membrane fuel cell or an electrolyser.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: September 15, 2020
    Assignees: Johnson Matthey Fuel Cells Limited, Centre National de la Recherche Scientifique, Universite de Montpellier
    Inventors: Deborah Jones, Jacques Roziere, Sara Cavaliere, Surya Subianto, Sarah Burton
  • Patent number: 10763541
    Abstract: Disclosed is a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same. The non-aqueous electrolyte including an ionizable lithium salt and an organic solvent may further include (a) 1 to 10 parts by weight of a compound having a vinylene group or vinyl group per 100 parts by weight of the non-aqueous electrolyte, and (b) 10 to 300 parts by weight of a dinitrile compound having an ether bond per 100 parts by weight of the compound having the vinylene group or vinyl group. The lithium secondary battery comprising the non-aqueous electrolyte may effectively suppress the swelling and improve the charge/discharge cycle life.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: September 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yeon-Suk Hong, Kwon-Young Choi, Jae-Seung Oh, Byoung-Bae Lee, Kyung-Hwan Jung, Hye-Yeong Sim
  • Patent number: 10763547
    Abstract: An electrolyte for a lithium-ion battery, and a battery incorporating the electrolyte. The electrolyte includes a lithium salt, a non-aqueous organic solvent which includes a carbonate-based solvent, a flame retardant, a film former, and a stabilizing medium. The flame retardant includes PYR1RPF6 (N-Methyl-N-alkylpyrrolidinium Hexafluorophosphate Salt).
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: September 1, 2020
    Assignee: High Tech Battery Inc.
    Inventor: Kuei Yung Wang
  • Patent number: 10741879
    Abstract: Provided is a secondary battery which uses a heat generating reaction of the redox shuttle agent to achieve stopping a function of the battery by blocking ion conduction and rapidly increasing an internal resistance by means of volatilized non-aqueous solvent when an abnormality such as overcharge occurs. A secondary battery 1 comprises a battery element comprising a positive electrode 11, a negative electrode 12, a separator 13, and an electrolytic solution, and a casing sealing the battery element. The electrolytic solution comprises a redox shuttle agent and an organic solvent having a boiling point of 125° C. or less. The separator 13 comprises aramid fiber assembly, aramid microporous structure, polyimide microporous structure or polyphenylenesulfide microporous structure, and polyphenylenesulfide, and has an average void size of 0.1 ?m or more.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: August 11, 2020
    Assignee: NEC Corporation
    Inventors: Kazuhiko Inoue, Kenichi Shimura, Noboru Yoshida
  • Patent number: 10732503
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 10727533
    Abstract: A fluoride ion battery in which an occurrence of a short circuit is suppressed achieves the object by providing a fluoride ion battery including: an electrode layer that includes a first metal element or a carbon element and has capability of fluorination and defluorination; a solid electrolyte layer containing a solid electrolyte material, the solid electrolyte material including a second metal element with lower fluorination potential and defluorination potential than the potentials of the first metal element or the carbon element; and an anode current collector, in this order; and an anode active material layer being not present between the solid electrolyte layer and the anode current collector; and at least one of the solid electrolyte layer and the anode current collector includes a simple substance of Pb, Sn, In, Bi, or Sb, or an alloy containing one or more of these metal elements.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: July 28, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hidenori Miki
  • Patent number: 10686227
    Abstract: This disclosure provides systems, methods, and apparatus related to Li-ion batteries. In one aspect an electrolyte structure for use in a battery comprises an electrolyte and an interconnected boron nitride structure disposed in the electrolyte.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: June 16, 2020
    Assignee: The Regents of the University of California
    Inventors: Onur Ergen, Alexander K. Zettl
  • Patent number: 10685787
    Abstract: An electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, and a conductive polymer layer covering at least a part of the dielectric layer. The conductive polymer layer includes a conductive polymer and a polymer dopant. The polymer dopant includes a copolymer that includes a first monomer unit and a second monomer unit. The first monomer unit has a sulfonate group. Time second monomer unit has a functional group represented by a formula (i); —CO—R1—COOH (where R1 represents an aliphatic hydrocarbon group having 1 to 8 carbon atoms, an aromatic group, or a divalent group —OR2—, R2 representing an aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic group).
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 16, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Youichirou Uka, Katsuya Miyahara, Hiroshi Kojima
  • Patent number: 10679800
    Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes an anode including a dielectric layer thereon and a cathode member including a conductive polymer and in contact with the dielectric layer. The capacitor element is impregnated with a liquid containing at least one of polyalkylene glycol and derivatives of polyalkylene glycol. The liquid further contains an aromatic compound having a nitro group and at least one of a hydroxyl group and a carboxyl group.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: June 9, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroyuki Matsuura, Shigetaka Furusawa, Hidehiro Sasaki, Tatsuji Aoyama
  • Patent number: 10680284
    Abstract: A secondary battery includes: a cathode, an anode, and an electrolytic solution including a cyano compound. The cathode, the anode, and the electrolytic solution are provided inside a film-like outer package member.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: June 9, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masayuki Ihara, Shigeru Fujita
  • Patent number: 10665845
    Abstract: An apparatus includes a battery stack including a plurality of alternating anodes and cathodes, wherein each of the anodes is positioned between first and second separators, and wherein a tab of the anode extends out from between the first and second separators, and an edge tape extending across a top of the first and second separators.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: May 26, 2020
    Assignee: Cardiac Pacemakers, Inc.
    Inventor: Arild Vedoy
  • Patent number: 10651504
    Abstract: Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: May 12, 2020
    Assignee: Wildcat Discovery Technologies, Inc.
    Inventors: Gang Cheng, Deidre Strand, Ye Zhu, Marissa Caldwell
  • Patent number: 10643794
    Abstract: A roll-up type capacitor includes a cylindrical part, a first external electrode, and a second external electrode. The cylindrical part is a rolled-up laminate in which a lower electrode layer, a dielectric layer and an upper electrode layer are laminated in this order. The first external electrode is electrically connected to the upper electrode layer, and the second external electrode is electrically connected to the lower electrode layer, and the first external electrode and the second external electrode are respectively located on opposed sides of the cylindrical part such that they face to each other.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: May 5, 2020
    Assignees: MURATA MANUFACTURING CO., LTD., LEIBNIZ INSTITUTE FOR SOLID STATE AND MATERIALS RESEARCH DRESDEN
    Inventors: Shoichiro Suzuki, Akira Ando, Koichi Banno, Oliver G Schmidt, Daniel Grimm
  • Patent number: 10642024
    Abstract: An electrowetting device which includes a polarizable liquid; and a nonpolar solution separated from the polarizable liquid by an interface. The polarizable liquid may include a polar solvent, an organic acid, and ammonium hydroxide having at least one alkyl group.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: May 5, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Kyuhwan Choi, Jungmok Bae, Yongjoo Kwon, Yunhee Kim, Taekdong Chung, Yoonsun Choi
  • Patent number: 10644351
    Abstract: The invention relates to a polymer electrolyte comprising a silicone polymer bearing pending polyoxyalkylene ether groups, at least one fluorinated salt and a solvent, said solvent representing between 10% and 60% by weight, relative to the total weight of the silicone polymer bearing pending polyoxyalkylene ether groups, of the fluorinated salt and of the solvent, and said solvent comprising at least one polyether solvent. In addition, the invention also relates to a process for producing said polymer electrolyte and to the uses thereof as an electrolyte in an electrochemical device, in particular as an electrolyte in a battery or in an electronic display device, in particular an electrochemical device.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: May 5, 2020
    Assignee: RHODIA OPERATIONS
    Inventor: Olivier Buisine
  • Patent number: 10636587
    Abstract: A low-cost electrochemical capacitor is provided which has high capacity and excellent charging and discharging characteristics, simultaneously has excellent safety and reliability, and has the basic performance as a capacitor, achieved in that between a negative electrode and a positive electrode, a solution of a specific polyether copolymer, an inorganic or organic filler, and an electrolyte salt is selected as appropriate as the electrolyte and is held between the two electrodes. This low-cost electrochemical capacitor has the basic performance of a capacitor, has high capacity and excellent charging and discharging characteristics, and simultaneously has excellent safety and reliability.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: April 28, 2020
    Assignee: OSAKA SODA CO., LTD.
    Inventors: Takashi Matsuo, Masato Tabuchi, Hideaki Ueda, Katsuhito Miura
  • Patent number: 10626228
    Abstract: Disclosed are a lithium salt/polyacrylonitrile/thermosetting resin composite material and a preparation method therefor. 100 parts of polyacrylonitrile and 550-1100 parts of N,N-dimethyl formamide by mass are stirred at a temperature of 25° C.-80° C., and a uniform and transparent polyacrylonitrile solution is obtained; further, 8-36 parts of a lithium salt is added; and the mixture is stirred until a uniform and transparent lithium salt/polyacrylonitrile solution is obtained. A heat-curable resin is added to the lithium salt/polyacrylonitrile solution, and is uniformly mixed. The obtained composite solution is made into a film, and a lithium salt/polyacrylonitrile/thermosetting resin composite material is then obtained after curing and post-treatment.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 21, 2020
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Guozheng Liang, Sheng Sun, Aijuan Gu, Li Yuan
  • Patent number: 10629894
    Abstract: A cathode material for an electrochemical cell, in particular a lithium-sulfur cell, including at least one cathode active material and at least one in particular lithium ion-conducting or lithium ion-conductive polymer electrolyte and/or at least one inorganic ion conductor, in particular a lithium ion conductor. The at least one cathode active material includes a polymer containing in particular covalently bound sulfur. Moreover, also described is a cell and a battery equipped with same.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: April 21, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Jean Fanous, Bernd Schumann, Joerg Thielen
  • Patent number: 10601076
    Abstract: The present invention relates to a composition for a gel polymer electrolyte and a gel polymer electrolyte prepared using the same, and specifically provides a composition for a gel polymer electrolyte including a lithium salt, an organic solvent, and a polymer A having an epoxy group represented by Formula 1, and a polymer B having an amine group and a cyanide group represented by Formula 2, wherein the polymers A and B are included in an amount of 1 to 20 wt % based on the total weight of the composition for a gel polymer electrolyte, and wherein a gel polymer electrolyte for a secondary battery can be prepared that includes a polymer network formed by combining the polymer A having an epoxy group represented by Formula 1 and the polymer B having an amine group and a cyanide group represented by Formula 2 in a three-dimensional structure.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Kyoung Ho Ahn, Jung Hoon Lee, Chul Haeng Lee, Jeong Woo Oh, Yi Jin Jung, Sol Ji Park
  • Patent number: 10601031
    Abstract: A polymer or a polymer electrolyte and cathode material for an alkali metal cell, in particular for a lithium-sulfur cell. To improve the performance and reliability of alkali metal cells, for example lithium-sulfur cells, a polymer based on the general chemical formula (I) is provided, where -[A]- stands for a unit which forms a polymer backbone, X stands for a spacer, x stands for the number of spacers X and is 1 or 0, Q stands for a positively charged group Q+ and a counterion Z?, or Q stands for a negatively charged group Q? and a counterion Z+, or Q stands for an uncharged group. Moreover, the invention relates to the use thereof, and a cathode, a separator, a protective layer, and a cell.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: March 24, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Jean Fanous, Bernd Schumann, Joerg Thielen
  • Patent number: 10600579
    Abstract: An electrolytic capacitor includes an anode body, a first conductive polymer layer, and a second conductive polymer layer. The anode body includes a dielectric layer. The first conductive polymer layer covers at least a part of the dielectric layer. The second conductive polymer layer covers at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer. The second conductive polymer layer includes a second conductive polymer. At least one of the first conductive polymer layer and the second conductive polymer layer further includes a hydroxy compound. The hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, and has a melting point ranging from 40° C. to 150° C., inclusive.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: March 24, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Youichirou Uka, Katsuya Miyahara, Hiroshi Kojima
  • Patent number: 10593488
    Abstract: The present invention provides a nonaqueous electrolytic solution that provides an electric double layer capacitor having excellent durability. The nonaqueous electrolytic solution of the present invention is a nonaqueous electrolytic solution for electric double layer capacitors prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, and the nonaqueous electrolytic solution has an alkali metal cation concentration of 0.1 to 30 ppm.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: March 17, 2020
    Assignee: OTSUKA CHEMICAL CO., LTD.
    Inventors: Yoshihisa Tokumaru, Yoshihiro Okada, Taiji Nakagawa, Shoji Hiketa, Koichi Sorajo
  • Patent number: 10581049
    Abstract: A nonaqueous electrolyte secondary battery (100) includes a positive electrode (30), a negative electrode (40), a separator (50), a nonaqueous electrolytic solution, and a battery case (10). The positive electrode includes a positive electrode current collector (32) and a positive electrode active material layer (34). The separator includes a separator substrate (52) and a heat resistance layer (54). The separator substrate has an opposite surface opposite the positive electrode active material layer. The heat resistance layer constitutes at least a part of the opposite surface and contains a heat-resistant filler and a binder. The positive electrode active material layer has an adjacent region (X). The heat resistance layer has an opposite region (Y) opposite at least an end portion of the adjacent region. The end portion of the adjacent region is adjacent to a positive electrode current collector exposure portion (33). The opposite region contains at least a calcium salt of carboxymethyl cellulose.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: March 3, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideyuki Saka, Tatsuya Hashimoto, Yusuke Fukumoto, Keisuke Ohara, Kouichi Toriyama
  • Patent number: 10559432
    Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes: an anode foil having a dielectric layer thereon, and a cathode layer including a conductive polymer and in contact with the dielectric layer. The capacitor element is impregnated with a liquid containing at least one of polyalkylene glycol and derivatives selected from a group consisting of polyethylene glycol glyceryl ether, polyethylene glycol diglyceryl ether, polyethylene glycol sorbitol ether, polypropylene glycol glyceryl ether, polypropylene glycol diglyceryl ether, polypropylene glycol sorbitol ether, copolymers of ethylene glycol and propylene glycol, copolymers of ethylene glycol and butylene glycol, and copolymers of propylene glycol and butylene glycol.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: February 11, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroyuki Matsuura, Shigetaka Furusawa, Hidehiro Sasaki, Tatsuji Aoyama
  • Patent number: 10530008
    Abstract: The present invention relates to a method for producing lithium fluorosulfonate which comprises reacting a lithium salt and fluorosulfonic acid in a nonaqueous solvent, wherein the lithium salt is a lithium salt not generating water through the reaction step.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: January 7, 2020
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Daisuke Kawakami, Ryo Yamaguchi, Hiroyuki Tokuda, Masahiro Takehara
  • Patent number: 10522287
    Abstract: A multilayer ceramic electronic component in which an interface of an edge region of an external electrode that extends around to a side surface of a ceramic body and the ceramic configuring a surface of the ceramic body, an inorganic matter is present containing 26 mol % or more and less than 45 mol % of SiO2 and having a molar ratio (TiO2+ZrO2)/(SiO2+TiO2+ZrO2) of 0.154 or more, or an inorganic matter is present containing 45 mol % or more of SiO2 and having a molar ratio (TiO2+ZrO2)/(SiO2+TiO2+ZrO2) of 0.022 or more. Furthermore, the inorganic matter may contain B2O3 having a molar ratio relative to SiO2 within 0.25?B2O3/SiO2?0.5.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: December 31, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Seiji Koga, Takashi Omori, Jun Ikeda