Include Electrolyte Chemically Specified And Method Patents (Class 429/188)
  • Patent number: 10910634
    Abstract: The present invention relates an electro-active polymeric ionic liquid including imidazolium-based molecules, said imidazolium-based molecule comprising each at least: —one imidazolium moiety associated with a negatively-charged counter-ion, and —one reducible group selected from: Formula (IV), —an anthraquinone derivative of formula (IV): with R1 representing a hydrogen atom or a C1-C6-alkyl group, —a viologen group, and —a metallocene reducible group such as a cobaltocene group.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: February 2, 2021
    Inventors: Ghilane Jalal, Gaëlle Trippe Allard, Van Bui Thi Tuyet, Hyacinthe Randriamahazaka, Thuan Nguyen Pham Truong
  • Patent number: 10886565
    Abstract: The present disclosure provides an electrolyte and an electrochemical energy storage device, the electrolyte comprises an electrolyte salt and an additive. The additive comprises a sulfonic ester cyclic quaternary ammonium salt and a multinitrile compound. The sulfonic ester cyclic quaternary ammonium salt and the multinitrile compound can form a dense and uniform passive film with high ionic conductivity on a surface of each of the positive electrode film and the negative electrode film, so as to prevent continuous oxidation and reduction reaction from occurring between the electrolyte and the positive electrode film and the negative electrode film and make the electrochemical energy storage device has excellent high temperature cycle performance and high temperature storage performance.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: January 5, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiaomei Wang, Chenghua Fu, Changlong Han
  • Patent number: 10879540
    Abstract: The present invention provides a thin, bendable, printed, layered primary battery structure without a battery separator. The battery includes a first layer including a printed positive electrode. A second layer includes a negative electrode material which may be a printed negative electrode or a metal foil negative electrode. An adhesive, UV-curable intermediate layer is adhered to the first layer on a first side of the intermediate layer and is adhered to the second layer on a second side of the intermediate layer. The intermediate layer includes a water-soluble electroactive material and a water-soluble viscosity-regulating polymer in an amount sufficient to render the intermediate layer adhesive. The intermediate layer also includes a water-insoluble polymer matrix having sufficient rigidity to prevent contact of the first layer and the second layer. A flexible package encases the first, second, and intermediate layers.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: December 29, 2020
    Assignee: Nano and Advanced Materials Institute Limited
    Inventors: Hui Luo, Sara Abouali, Tao Xu, Li Fu, Soon Yee Liew, Yuechen Wang
  • Patent number: 10868335
    Abstract: Magnesium salts suitable for use in an electrolyte for a magnesium ion electrochemical cell are described herein. The salts are magnesium tetra(perfluoroalkoxy)metalates, optionally solvated with up to seven ether molecules coordinated to the magnesium ion thereof. In one embodiment, the salt has the empirical formula: Mg(Z)n2+[M(OCR3)4?]2 (Formula (I)) wherein Z is an ether; n is 0 to about 7; M is Al or B; and each R independently is a perfluoroalkyl group (e.g., C1 to C10 perfluoroalkyl). The magnesium salts of Formula (I) are suitable for use as electrolyte salts for magnesium ion batteries (e.g., 5 V class magnesium batteries) and exhibit a wide redox window that is particularly compatible with magnesium anode. The salts are relatively cost effective to prepare by methods described herein, which are conveniently scalable to levels suitable for commercial production.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: December 15, 2020
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Ka-Cheong Lau, Chen Liao
  • Patent number: 10862166
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, which includes a compound capable of suppressing an electrolyte solution side reaction in a high-temperature and high-voltage environment, and a lithium secondary battery in which cycle characteristics and stability are improved even during high-temperature and high-voltage charging by including the same.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 8, 2020
    Inventors: Sung Hoon Yu, Kyung Mi Lee, Shul Kee Kim, Hyun Yeong Lee, Yoo Sun Kang
  • Patent number: 10822498
    Abstract: The present disclosure relates to a carbon black dispersion solution comprising carbon black, a dispersion medium, and partially hydrogenated nitrile rubber having a residual double bond (RDB) value of 0.5% by weight to 40% by weight calculated according to the following Mathematical Formula 1, wherein dispersed particle diameters of the carbon black have particle size distribution D50 of 0.1 ?m to 2 ?m, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: November 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Gyemin Kwon, Houngsik Yoo, Hye Lim Sim, Byoung Hoon Ahn, Jong Won Lee, Dong Hyun Kim, Sang Hoon Choy, Hyeon Choi
  • Patent number: 10818972
    Abstract: Provided is an electrolyte solution for a lithium secondary battery, which can lower the resistance of a lithium secondary battery and impart the lithium secondary battery with high cycle characteristics. The electrolyte solution for a lithium secondary battery disclosed here includes an electrolyte salt consisting essentially of a lithium imide salt, a solvent containing methyl difluoroacetate, and an unsaturated carboxylic acid anhydride compound represented by formula (1) below as an additive (in the formula, R1 and R2 each independently denote a hydrogen atom, a fluorine atom, or an alkyl group that may be fluorine-substituted, or R1 and R2 bond to each other to form a ring structure).
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: October 27, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshiyuki Kawai, Hiroto Asano
  • Patent number: 10804568
    Abstract: There is provided a method of producing a lithium ion secondary battery. A positive electrode mixture layer is formed on a positive electrode current collector using an aqueous positive electrode mixture paste that includes a positive electrode active material including a lithium manganese composite oxide, and aqueous solvent, and additionally includes Li5FeO4 as an additive.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: October 13, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yukiko Hori
  • Patent number: 10770753
    Abstract: The object of the present invention is to provide an electrolyte for a fluoride ion battery with high activity for fluoridating an active material. The present invention solves the problem by providing an electrolyte for a fluoride ion battery comprising a fluoride complex salt as at least one of LiPF6 and LiBF4, and an organic solvent; and B/A is 0.125 or more in the case where a substance amount of the organic solvent is regarded as A (mol) and a substance amount of the fluoride complex salt is regarded as B (mol).
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: September 8, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOTO UNIVERSITY
    Inventors: Hirofumi Nakamoto, Zempachi Ogumi, Takeshi Abe
  • Patent number: 10756343
    Abstract: A positive electrode active material for a lithium secondary cell, having a layered structure and comprising at least nickel, cobalt and manganese, the positive electrode active material satisfying requirements (1), (2) and (3) below: (1) a composition represented by a composition formula: Li[Lix(Ni?Co?Mn?M?)1-x]O2, wherein 0?x?0.10, 0.30<??0.34, 0.30<??0.34, 0.32??<0.40, 0???0.10, ?<?, ?+?+?+?=1, M represents at least one metal selected from the group consisting of Fe, Cu, Ti, Mg, Al, W, Zn, Sn, Zr, Ga and V; (2) a secondary particle diameter of 2 ?m or more and 10 ?m or less; and (3) a maximum peak value in a pore diameter range of 90 nm to 150 nm in a pore diameter distribution determined by mercury porosimetry.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: August 25, 2020
    Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED, TANAKA CHEMICAL CORPORATION
    Inventors: Hiroyuki Kurita, Jun-ichi Kageura, Yuichiro Imanari, Yasutaka Iida, Daisuke Yamashita, Takaaki Masukawa, Hiroyuki Ito
  • Patent number: 10741813
    Abstract: An energy storage device in which a micro-short circuit at the time of heat generation is suppressed is provided. The energy storage device includes: a positive electrode; a negative electrode containing a negative composite layer; and a separator disposed between the positive electrode and the negative electrode. The separator contains a base material layer containing a thermoplastic resin and an inorganic layer formed on the base material layer, the inorganic layer opposes to the positive electrode, the base material layer opposes to the negative electrode, and a ratio of a mass of the base material layer per unit area to a spatial volume of the negative composite layer is 0.26 or more.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: August 11, 2020
    Assignee: GS Yuasa International Ltd.
    Inventor: Tomoya Tsuchikawa
  • Patent number: 10734679
    Abstract: A nonaqueous electrolyte for a lithium secondary battery, the nonaqueous electrolyte including a fluorine-containing lithium salt, an organic solvent, and an organosilicon compound represented by Formula 1: wherein, in Formula 1, R1 to R3 are independently a C1-C10 alkyl group, and n is an integer selected from 1 to 10. Also a lithium secondary battery including the nonaqueous electrolyte.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 4, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jinah Seo, Dongyoung Kim, Hosang Park, Yoonsok Kang, Insun Park
  • Patent number: 10734684
    Abstract: Disclosed is a nonaqueous secondary battery having a nonaqueous electrolyte containing a lithium salt dissolved in an organic solvent, in which the positive electrode active material is preferably a manganese-containing, lithium transition metal oxide salt. The nonaqueous electrolyte contains at least one compound of general formula (1), preferably at least one compound of general formula (1?). The content of the compound of formula (1) or (1?) in the nonaqueous electrolyte is preferably 0.001 to 10 mass %. The symbols in formulae (1) and (1?) are as defined in the description.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: August 4, 2020
    Assignee: ADEKA CORPORATION
    Inventors: Yuta Nohara, Kenji Kakiage, Tomofumi Yokomizo, Hiroaki Watanabe, Yohei Aoyama, Toru Yano
  • Patent number: 10727490
    Abstract: A battery according to one aspect of the present disclosure includes a first electrode layer, a first counter electrode layer being a counter electrode of the first electrode layer, a first solid electrolyte layer located between the first electrode layer and the first counter electrode layer, and a first heat-conducting layer including a first region containing a heat-conducting material. The first region is located between the first electrode layer and the first solid electrolyte layer.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 28, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Izuru Sasaki
  • Patent number: 10707531
    Abstract: An all-inorganic electrolyte formulation for use in a lithium ion battery system comprising at least one of each a phosphoranimine, a phosphazene, a monomeric organophosphate and a supporting lithium salt. The electrolyte preferably has a melting point below 0° C., and a vapor pressure of combustible components at 60.6° C. sufficiently low to not produce a combustible mixture in air, e.g., less than 40 mmHg at 30° C. A solid electrolyte interface layer formed by the electrolyte with an electrode is preferably thermally stable ?80° C.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: July 7, 2020
    Assignee: New Dominion Enterprises Inc.
    Inventors: Mason K. Harrup, Jay Fraser
  • Patent number: 10707526
    Abstract: An all-inorganic electrolyte formulation for use in a lithium ion battery system comprising at least one of each a phosphoranimine, a phosphazene, a monomeric organophosphate and a supporting lithium salt. The electrolyte preferably has a melting point below 0° C., and a vapor pressure of combustible components at 60.6° C. sufficiently low to not produce a combustible mixture in air, e.g., less than 40 mmHg at 30° C. The phosphoranimine, phosphazene, and monomeric phosphorus compound preferably do not have any direct halogen-phosphorus bonds. A solid electrolyte interface layer formed by the electrolyte with an electrode is preferably thermally stable ?80° C.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: July 7, 2020
    Assignee: New Dominion Enterprises Inc.
    Inventor: Mason K. Harrup
  • Patent number: 10680449
    Abstract: A power storage device has a secondary battery which has a positive electrode, a negative electrode, and a nonaqueous electrolyte disposed between the positive and negative electrodes; in the secondary battery, metal ions are movable between the positive and negative electrodes through the nonaqueous electrolyte, and the positive and negative electrodes are charged/discharged when insertion/extraction reactions of the metal ions are carried out through the nonaqueous electrolyte; the positive and negative electrodes each contain an active-material layer with an average thickness of 0.3 mm or greater; the charging device is electrically connected to the secondary battery, and charges the secondary battery only at a constant current; and when the secondary battery is charged to its end-of-charge voltage by the charging device, its capacity is set to be 80% to 97% of the design capacity calculated from the inherent capacity per unit weight of the positive and negative electrodes.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: June 9, 2020
    Assignee: KANEKA CORPORATION
    Inventor: Mitsuyasu Imazaki
  • Patent number: 10658702
    Abstract: An all solid-state lithium-based thin-film battery is provided. The all solid-state lithium-based thin-film battery includes a battery material stack of, from bottom to top, an anode-side electrode, an anode region, an aluminum oxide interfacial layer, a solid-state electrolyte layer, a cathode layer, and a cathode-side electrode layer. The all solid-state lithium-based thin-film battery stack is formed by first forming the anode-side of the battery stack and thereafter forming the cathode-side. All solid-state lithium-based thin-film batteries including the aluminum oxide interfacial layer located between the anode region and the solid-state electrolyte layer have improved performance, high capacity, and high reliability.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: May 19, 2020
    Assignee: International Business Machines Corporation
    Inventors: Ning Li, Joel P. de Souza, Yun Seog Lee, Devendra K. Sadana
  • Patent number: 10648107
    Abstract: A fabric for a thermal protective application includes: 5-40 weight % PBI-p fiber and the balance being conventional fibers, where the fabric has equal or better flame-resistant and/or heat-resistant properties, and a fabric weight less than an equivalent fabric made with a like amount of PBI-s fiber in place of the PBI-p fibers. The fabric for a thermal protective application includes: 5-40 weight % of a blend of PBI-p fiber and PBI-s fiber, and the balance being conventional fibers, where the fabric has equal or better flame-resistant and/or heat-resistant properties and a fabric weight less than an equivalent fabric made with a like amount of PBI-s fiber in place of the PBI-p fibers.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: May 12, 2020
    Assignee: PBI Performance Products, Inc.
    Inventors: Brian P. Shiels, Diane B. Hess, William L. Lawson, III
  • Patent number: 10644309
    Abstract: A nanographitic composite for use as an anode in a lithium ion battery is described, including: particles of an electroactive material; and a coating over the electroactive particles comprising a plurality of graphene nanoplatelets and an SEI modifier additive wherein the SEI modifier additive is a dry powder that is disposed over at least part of the surface of the electroactive material particles.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: May 5, 2020
    Assignee: XG Sciences, Inc.
    Inventors: Inhwan Do, Hong Wang
  • Patent number: 10615452
    Abstract: A high voltage rechargeable magnesium cell includes an anode and cathode housing. A magnesium metal anode is positioned within the housing. A high voltage electrolyte is positioned proximate the anode. A metal oxide cathode is positioned proximate the high voltage electrolyte. The magnesium cell includes a multi-cycle charge voltage up to at least 3.0 volts and includes a reversible discharge capacity.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: April 7, 2020
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Wei Song, Timothy Sean Arthur, Claudiu Bucur, Masaki Matsui, John Muldoon, Nikhilendra Singh, Ruigang Zhang
  • Patent number: 10608245
    Abstract: A calcium-based secondary cell including, as a positive-electrode active material, a molybdenum oxide-based material containing molybdenum in an oxidation state of 4 or more and 6 or less.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: March 31, 2020
    Assignees: TOYOTA MOTOR EUROPE, AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
    Inventors: Fanny Barde, Maria Rosa Palacin, Alexandre Ponrouch, Maria Elena Arroyo de Dompablo
  • Patent number: 10601078
    Abstract: A method of producing a lithium ion secondary battery includes preparing an alkaline negative electrode composite material including a negative electrode active material, a binder, an alkaline component, and an aqueous solvent; adding an oxalate complex lithium salt that is acidic in the aqueous solvent to the alkaline negative electrode composite material; and applying the negative electrode composite material to which the oxalate complex lithium salt is added to a surface of a negative electrode current collector and drying the negative electrode composite material to form a negative electrode active material layer.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: March 24, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Machiko Abe
  • Patent number: 10593994
    Abstract: It is an objective of the invention to provide a quasi-solid state electrolyte that has a well-balanced combination of contact performance with electrode active materials, conductivity, and chemical and structural stability, each at a high level, and an all solid state lithium secondary battery using the quasi-solid state electrolyte. There is provided a quasi-solid state electrolyte comprising: metal oxide particles; and an ionic conductor, the ionic conductor being a mixture of either a glyme or DEME-TFSI and a lithium salt that includes LiFSI, and being carried by the metal oxide particles.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: March 17, 2020
    Assignees: HITACHI, LTD., TOHOKU UNIVERSITY
    Inventors: Erina Yokoyama, Jun Kawaji, Yoshiyuki Ganbe, Nobuto Oka, Itaru Honma
  • Patent number: 10581062
    Abstract: Co3O4 nanocubes as can be homogeneously assembled on a few-layer graphene sheet, such a composite as can be used in conjunction with an anode and incorporated into a high energy lithium-ion battery.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: March 3, 2020
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Jinsong Wu, Junming Xu, Vinayak P. Dravid
  • Patent number: 10573922
    Abstract: An electrochemical cell in one embodiment includes an anode including a form of lithium, a cathode, and a composite electrolyte structure positioned between the anode and the cathode, the composite electrolyte structure configured to conduct lithium ions while being electronically insulating, and exhibiting a high polarizability of localized charges.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: February 25, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Timm Lohmann, Paul Albertus, John F. Christensen, Boris Kozinsky
  • Patent number: 10559852
    Abstract: Provided is an electrolyte solution for a lithium secondary battery and a lithium secondary battery having the same, the electrolyte solution further including an expressed solid salt which has an ammonium-based cation and a cyanide anion (CN?). According to an embodiment of the present invention, an electrolyte solution including the solid salt may be provided, and thus the problem of decrease in stability of a negative electrode due to copper ions that are dissolved from a copper current collector in a high-temperature environment may be resolved. Therefore, a lithium secondary battery having excellent battery performance such as battery capacity, charging and discharging efficiency, and cycle characteristics even under a high-temperature condition may be provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: February 11, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong Ho Jeon, Joo Hwan Koh, Jin Ah Seo, Jin Hee Kim, Sung Nim Jo, Tae Hwan Yu, Jung Joo Cho
  • Patent number: 10559822
    Abstract: A negative electrode active material, wherein the negative electrode active material is a negative electrode active material including negative electrode active material particles; the negative electrode active material particles include silicon compound particles including a silicon compound (SiOx: 0.5?x?1.6); the silicon compound particles include at least any one kind or more kinds of Li2SiO3 and Li4SiO4; the negative electrode active material particles have a loose bulk density BD of 0.5 g/cm3 or more and 0.9 g/cm3 or less, a tapped bulk density TD of 0.7 g/cm3 or more and 1.2 g/cm3 or less, and a compression degree of 25% or less, the compression degree being defined by (TD?BD)/TD. Therefore, the negative electrode active material which is capable of improving the initial charge and discharge characteristics as well as the cycle characteristics upon using it as the negative electrode active material of a secondary battery is provided.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: February 11, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takumi Matsuno, Takakazu Hirose, Hiromichi Kamo, Masahiro Furuya, Hidekazu Awano
  • Patent number: 10541449
    Abstract: A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes a material including Si, Sn, or both as constituent elements. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1), where X is a divalent group in which m-number of >C?CR1-R2 and n-number of >CR3R4 are bonded in any order; each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a monovalent halogenated oxygen-containing hydrocarbon group; any two or more of the R1 to the R4 are allowed to be bonded to one another; and m and n satisfy m?1 and n?0.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: January 21, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masayuki Ihara, Tadahiko Kubota
  • Patent number: 10522299
    Abstract: Provided is a negative-electrode active material for a power storage device that has a low operating potential, can increase the operating voltage of the power storage device, and has excellent cycle characteristics. The negative-electrode active material for a power storage device, the negative-electrode active material containing, in terms of % by mole of oxide, 1 to 95% TiO2 and 5 to 75% P2O5+SiO2+B2O3+Al2O3+R?O (where R? represents at least one selected from Mg, Ca, Sr, Ba, and Zn) and containing 10% by mass or more amorphous phase.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: December 31, 2019
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Hideo Yamauchi
  • Patent number: 10505226
    Abstract: An electrolyte for a lithium battery and a lithium battery including the electrolyte, the electrolyte including a compound represented by Formula 1; and LiPO2F2, wherein, in Formula 1, R1 and R2 are each independently a substituted or unsubstituted C1-C10 alkyl group or -L1-CN; and L and L1 are each independently a substituted or unsubstituted C1-C5 alkylene group, a substituted or unsubstituted C6-C10 arylene group, or a substituted or unsubstituted C3-C20 heteroarylene group.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seungtae Lee, Aeran Kim, Miyoung Son, Hyunbong Choi, Aehui Goh, Woocheol Shin, Myungheui Woo, Harim Lee
  • Patent number: 10490853
    Abstract: An electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent, and a solid salt as an additive, the solid salt including at least one cation selected from ammonium-based cations and an azide anion (N3—). Using the electrolyte solution including the additive may provide a lithium secondary battery with improved high-temperature retention characteristics.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: November 26, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Joo Hwan Koh, Jong Ho Jeon, Jin Hee Kim, Sung Nim Jo, Tae Hwan Yu, Jung Joo Cho
  • Patent number: 10476107
    Abstract: A battery includes a positive electrode, a negative electrode containing graphite, and an electrolyte solution containing 2,2?-bipyridyl. The molar ratio of 2,2?-bipyridyl in the electrolyte solution to the graphite is 4.091×10?6 or less.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: November 12, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Masahisa Fujimoto
  • Patent number: 10468718
    Abstract: An electrolyte including a copolymer including (i) an ion-conductive domain including an ion-conductive segment of the copolymer, wherein the ion-conductive segment includes a plurality of ion-conductive units, and (ii) a structural domain including a structural segment of the copolymer, wherein the structural segment includes a plurality of structural units, wherein the ion-conductive domain and the structural domain are covalently linked, and a polymer network phase coupled to the ion-conductive domain.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yonggun Lee, Yooseong Yang, Hongsoo Choi, Jenam Lee, Wonseok Chang
  • Patent number: 10446844
    Abstract: The present invention discloses a method for preparing lithium-rich manganese-based cathode material. The method comprises: dispersing ?-MnO2 micron particles, a nickel salt and a lithium-containing compound in a solvent to obtain a mixture, then evaporating the mixture to remove the solvent, and calcining the solid product obtained from the evaporation; wherein the lithium-containing compound is a lithium salt and/or lithium hydroxide. The present invention also provides a lithium-rich manganese-based cathode material prepared by the above method. The present invention also provides a lithium-ion battery of which anode material contains the foregoing lithium-rich manganese-based anode material. The lithium-rich manganese-based cathode material provided by the present invention has high rate capability and prolonged cycle stability.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: October 15, 2019
    Assignee: SUZHOU SUNMUM TECHNOLOGY CO., LTD.
    Inventors: Borong Wu, Linjing Zhang, Ning Li, Qi Liu, Feixiang Guo, Daobin Mu, Feng Wu, Chuan Wu, Shi Chen
  • Patent number: 10439206
    Abstract: Silicon-silica hybrid materials made by metallothermal reduction from silica and methods of producing such compositions are provided. The compositions have novel properties and provide significant improvements in Coulombic efficiency, dilithiation capacity, and cycle life when used as anode materials in lithium battery cells.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: October 8, 2019
    Assignee: CORNING INCORPORATED
    Inventors: Francis Martin Behan, Indrajit Dutta, Brian Alan Kent, Shawn Michael O'Malley, Vitor Marino Schneider, Randall Eugene Youngman
  • Patent number: 10439222
    Abstract: A positive electrode composition for a rechargeable lithium battery includes a positive active material, a binder, and an aqueous solvent, wherein the binder includes carboxylmethyl cellulose having an average polymerization degree of about 700 to about 1200, and a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: October 8, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung-Hun Han, Myung-Duk Lim, Chae-Woong Cho
  • Patent number: 10431785
    Abstract: A battery pack includes a support structure, an array frame including a fastener housing, and a fastener received through the fastener housing for mounting the array frame to the support structure. The array frame may be mounted to the support structure using a top-down approach that includes inserting a fastener through a fastener housing of the array frame.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: October 1, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Saravanan Paramasivam, Steve Droste, Rajaram Subramanian, Kimberley King
  • Patent number: 10355269
    Abstract: A lithium ion secondary battery includes: a positive electrode sheet that includes a positive electrode active material layer containing a positive electrode active material particle; a negative electrode sheet; and a nonaqueous electrolytic solution that contains a compound containing fluorine, wherein a surface of the positive electrode active material particle includes a film containing fluorine and phosphorus, and a ratio Cf/Cp satisfies 1.89?Cf/Cp?2.61 where Cf represents the number of fluorine atoms in the film, and Cp represents the number of phosphorus atoms in the film.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: July 16, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi Miura, Masanori Kitayoshi, Nobuyuki Yamazaki
  • Patent number: 10347892
    Abstract: Provided is a separator for a non-aqueous secondary battery, including: a porous substrate, and a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that is an aggregate of resin particles and an inorganic filler, and that satisfies the following expression (1). In expression (1), Vf is a volume proportion (% by volume) of the inorganic filler in the heat resistant porous layer, and CPVC is a critical pigment volume concentration (% by volume) of the inorganic filler. Also provided is a separator for a non-aqueous secondary battery, including: a porous substrate, a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that includes a resin and an filler, and that satisfies the following expression (2), and an adhesive porous layer that is provided on both sides of a stacked body of the porous substrate and the heat resistant porous layer, and that includes an adhesive resin.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: July 9, 2019
    Assignee: TEIJIN LIMITED
    Inventors: Susumu Honda, Takashi Yoshitomi, Satoshi Nishikawa
  • Patent number: 10340525
    Abstract: A non-aqueous electrolyte secondary battery positive electrode capable of suppressing a decomposition reaction of an electrolyte solution in an overcharged state is provided. A non-aqueous electrolyte secondary battery positive electrode according to this embodiment includes a positive electrode active material layer which includes a positive electrode active material (54) containing a lithium transition metal oxide, a tungsten compound (56), a phosphoric acid compound (58) not in contact with the positive electrode active material (54), and an electrically conductive agent (52) in contact with the tungsten compound (56) and the phosphoric acid compound (58).
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: July 2, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Yuu Takanashi, Fumiharu Niina, Atsushi Fukui, Takahiro Isono
  • Patent number: 10333171
    Abstract: Described here is a solid-state lithium-ion battery, comprising a cathode, an anode, and a solid-state electrolyte disposed between the cathode and the anode, wherein the electrolyte comprises a hexacyanometallate represented by AxPy[R(CN)6-wLw]z, wherein: A is at least one alkali metal cation, P is at least one transition metal cation, at least one post-transition metal cation, and/or at least one alkaline earth metal cation, R is at least one transition metal cation, L is an anion, x, y, and z are related based on electrical neutrality, x>0, y>0, z>0, and 0?w?6.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: June 25, 2019
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Richard Wang, Yi Cui, Mauro Pasta
  • Patent number: 10333174
    Abstract: The present invention relates to a lithium ion secondary battery comprising a positive electrode having a coating amount per unit area of 50 mg/cm2 or more and an electrode density of 3.3 g/cc or more and a negative electrode having a coating amount per unit area of 24 mg/cm2 or more and an electrode density of 1.5 g/cc or more, a separator having a shrinking ratio of 2% or less by heat treatment at 80° C. for 6 hours, and an electrolyte solution comprising at least one sulfonic acid ester compound, and a ratio of a sulfur content in the central portion (As) and a sulfur content in the edge portion (Bs) of the positive electrode and the negative electrode, in each, is 0.7?As/Bs?1.1.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: June 25, 2019
    Assignee: NEC Corporation
    Inventors: Daisuke Kawasaki, Kenichi Shimura, Noboru Yoshida, Kazuhiko Inoue, Jiro Iriyama
  • Patent number: 10326172
    Abstract: The present invention provides a method for producing a secondary battery, capable of forming a uniform membrane on a wound body. Provided is a method including a step for reducing an internal pressure of an exterior, a step for pouring an electrolyte solution (E) into the exterior, a step for sealing the exterior, a step for impregnating the electrolyte solution (E) into the wound body from both axial end portions thereof, a step for performing initial charging of a battery, and a step for performing high-temperature aging of the battery. The additive LPFO is added into the electrolyte solution (E) in an amount such that the internal pressure of the exterior in the step for performing the high-temperature aging becomes equal to or higher than a saturation vapor pressure of the electrolyte solution (E) in the high-temperature aging.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: June 18, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Tsukui, Hiroyasu Kado, Shinobu Okayama
  • Patent number: 10320001
    Abstract: To provide a secondary cell including an electrode active material that is a compound represented by General Formula (1) below: where n is a natural number of from 4 through 8, a is a natural number of from 1 through 4, R1 and R2 may be identical to or different from each other and are each a hydrogen atom, an alkyl group, or an aromatic hydrocarbon group that may have a substituent, Y is a substituent, and b is an integer of from 0 through 3 and a+b is 4 or less in General Formula (1).
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: June 11, 2019
    Assignee: Ricoh Company, Ltd.
    Inventor: Masayoshi Nomura
  • Patent number: 10319996
    Abstract: The present invention discloses a cathode material for lithium ion secondary battery. The cathode material is in the form of powder particles. The powder particle includes a bulk portion and a coating portion coated on the outer surface of the bulk portion. The bulk portion is formed of at least one first cathode material which is a lithium-nickel based composite oxide. The first cathode material has electrochemical activity and has high charging-discharging specific capacity at a charged voltage of 4.2V versus Li/Li+. The coating portion is formed of at least one second cathode material. The second cathode material has no electrochemical activity or has low charging-discharging specific capacity at a charged voltage of 4.2V versus Li/Li+. Lithium ion secondary battery using the cathode material has high energy density, cycling stability, security, and output power.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: June 11, 2019
    Assignee: MICROVAST POWER SYSTEMS CO., LTD.
    Inventors: Zhuoqun Zheng, Jian Qiu, Xiaozhen Zhao, Yunhua Nie
  • Patent number: 10290872
    Abstract: A cathode of an all-solid-state lithium ion battery is prepared by applying a slurry, in which an active material, a conductive material, a sulfide-based solid electrolyte, and a binder are mixed, to a substrate. The binder is a hydrogenated nitrile butadiene rubber (HNBR) having a residual double bond, an amount thereof is more than 0% and equal to or less than 5.5%.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 14, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventor: Kyoung Jin Jeong
  • Patent number: 10276872
    Abstract: The present invention provides an aqueous electrolyte for use in rechargeable zinc-halide storage batteries that possesses improved stability and durability and improves zinc-halide battery performance. One aspect of the present invention provides an electrolyte for use in a secondary zinc bromine electrochemical cell comprising from about 30 wt % to about 40 wt % of ZnBr2 by weight of the electrolyte; from about 5 wt % to about 15 wt % of KBr; from about 5 wt % to about 15 wt % of KCl; and one or more quaternary ammonium agents, wherein the electrolyte comprises from about 0.5 wt % to about 10 wt % of the one or more quaternary ammonium agents.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: April 30, 2019
    Assignee: Eos Energy Storage, LLC
    Inventors: George W. Adamson, Sara S. Bowers, Francis W. Richey
  • Patent number: 10270104
    Abstract: A positive electrode for a sodium ion secondary battery includes a positive electrode active material that intercalates and deintercalates sodium ions, a conductive assistant, a binder, and a carboxylic acid, the binder containing a vinylidene fluoride-based polymer, the carboxylic acid having at least one of a boiling point and a thermal decomposition point, and whichever of the boiling point and the thermal decomposition point is lower being higher than 150° C. The carboxylic acid is preferably at least one selected from the group consisting of hydroxy acids and polycarboxylic acids.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: April 23, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Eiko Imazaki, Shoichiro Sakai, Atsushi Fukunaga, Koji Nitta
  • Patent number: 10249447
    Abstract: A process is provided for manufacturing an alkaline-based hybrid supercapacitor type battery, to an alkaline-based hybrid supercapacitor type battery, and to a process for recycling a negative electrode of an alkali-ion battery. The process for manufacturing the alkaline-based hybrid supercapacitor type battery comprises forming a negative electrode A from an electrode material B originating from a used alkali-ion battery having lost at least some of its initial capacity. Embodiments of the present disclosure are in particular applicable to the field of batteries.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: April 2, 2019
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Matthieu Picot, Philippe Azais