Oxygen Containing Organic Solvent Compound Patents (Class 429/341)
  • Patent number: 10468719
    Abstract: A solid electrolyte interface is formed on a silicon monoxide electrode in a battery cell. While the solid electrolyte interface is being formed on the silicon monoxide electrode, the battery cell is charged for one or more initial cycles.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: November 5, 2019
    Assignee: CORA AERO LLC
    Inventors: Chen Li, Patrick K. Herring
  • Patent number: 10361429
    Abstract: According to one embodiment, there is provided an active substance. The active substance contains active material particles. The active material particles comprise a compound represented by the formula: Ti1-xM1xNb2-yM2yO7. The active material particles has a peak A attributed to a (110) plane which appears at 2? ranging from 23.74 to 24.14°, a peak B attributed to a (003) plane which appears at 2? ranging from 25.81 to 26.21° and a peak C attributed to a (602) plane which appears at 2? ranging from 26.14 to 26.54° in an X-ray diffraction pattern of the active material particles. An intensity IA of the peak A, an intensity IB of the peak B, and an intensity IC of the peak C satisfy the relation (1): 0.80?IB/IA?1.12; and the relation (2) IC/IB?0.80.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: July 23, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuki Ise, Yasuhiro Harada, Hiroki Inagaki, Norio Takami
  • Patent number: 10109886
    Abstract: A lithium-sulfur electrochemical cell includes a cathode including elemental sulfur; an anode including elemental lithium; and an electrolyte including a salt and a non-polar fluorinated ether solvent. Alternatively, a lithium-sulfur electrochemical cell may include an anode; an electrolyte; and a cathode including a polytetrafluoroethylene-coated carbon paper and sulfur.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: October 23, 2018
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Zhengcheng Zhang, Wei Weng, Nasim Azimi
  • Patent number: 10084204
    Abstract: An example of an electrolyte solution includes a solvent, a lithium salt, a fluorinated ether, and an additive. The additive is selected from the group consisting of RSxR?, wherein x ranges from 3 to 18, and R—(SnSem)—R, wherein 2<n<8 and 2<m<8. R and R? are each independently selected from a straight alkyl group having from 1 carbon to 6 carbons or branched alkyl group having from 1 carbon to 6 carbons. The electrolyte solution may be suitable for use in a sulfur-based battery or a selenium-based battery.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: September 25, 2018
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Fang Dai, Mei Cai, Qiangfeng Xiao, Li Yang
  • Patent number: 10050256
    Abstract: A method of manufacturing a positive electrode includes: preparing a current collector foil having a first main surface and a second main surface; obtaining a granulated body in which a solvent remains by mixing a positive electrode active material, a conductive material, a binder, and the solvent with each other to obtain a mixture and granulating the mixture; obtaining a first positive electrode mixture layer by pressing the granulated body into a sheet shape; arranging the first positive electrode mixture layer on the first main surface; and heating the current collector foil in a state where the first positive electrode mixture layer is arranged on the first main surface, such that a temperature of the current collector foil becomes a softening point of the current collector foil or higher and that a temperature of the first positive electrode mixture layer is lower than a melting point of the binder.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: August 14, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Naoyuki Wada, Tatsuya Hashimoto, Naoto Onodera
  • Patent number: 9972842
    Abstract: A sodium secondary battery electrode having an collector and an electrode mixture containing an electrode active material, a conductive material, and a binder, and wherein: the electrode active material has a sodium-containing transition metal compound, the conductivity of the electrode mixture is 5.0×10?3 S/cm or more, and the density of the electrode mixture is 1.6 g/cm3 or more.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: May 15, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Jun-ichi Kageura
  • Patent number: 9947960
    Abstract: A lithium ion battery cell includes a housing, a cathode disposed within the housing, wherein the cathode comprises a cathode active material, an anode disposed within the housing, wherein the anode comprises an anode active material, and an electrolyte disposed within the housing and in contact with the cathode and anode. The electrolyte consists essentially of a solvent mixture, a lithium salt in a concentration ranging from approximately 1.0 molar (M) to approximately 1.6 M, and an additive mixture. The solvent mixture includes a cyclic carbonate, an non-cyclic carbonate, and a linear ester. The additive mixture consists essentially of lithium difluoro(oxalato)borate (LiDFOB) in an amount ranging from approximately 0.5 wt % to approximately 2.0 wt % based on the weight of the electrolyte, and vinylene carbonate (VC) in an amount ranging from approximately 0.5 wt % to approximately 2.0 wt % based on the weight of the electrolyte.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: April 17, 2018
    Assignee: Johnson Controls Technology Company
    Inventors: Boutros Hallac, Marshall C. Smart, Frederick C. Krause, Bernhard M. Metz, Ratnakumar V. Bugga, Junwei Jiang
  • Patent number: 9755233
    Abstract: According to one embodiment, a nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode includes a first positive electrode active material which is represented by general formula LiMSO4F (M is at least one kind of element selected from the group consisting of Fe, Mn and Zn) and has a triplite type crystal structure, and a second positive electrode active material which is represented by general formula LiM?SO4F (M? is at least one kind of element selected from the group consisting of Fe, Mn and Zn) and has a tavorite type crystal structure.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: September 5, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tetsuya Sasakawa, Norio Takami
  • Patent number: 9692085
    Abstract: It is an object of this exemplary embodiment to provide a lithium ion secondary battery using a positive electrode active material having an operating potential of 4.5 V or more, the lithium ion secondary battery having excellent high temperature cycle characteristics. This exemplary embodiment is a lithium ion secondary battery comprising a positive electrode and a negative electrode capable of intercalating and deintercalating lithium, a separator between the positive electrode and the negative electrode, and an electrolytic solution containing a nonaqueous electrolytic solvent, wherein the positive electrode comprises a positive electrode active material operating at a potential of 4.5 V or more versus lithium, the separator comprises cellulose, a cellulose derivative, or a glass fiber, and the nonaqueous electrolytic solvent comprises a fluorinated solvent.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: June 27, 2017
    Assignee: NEC Corporation
    Inventors: Makiko Uehara, Takehiro Noguchi
  • Patent number: 9647266
    Abstract: An isolated salt comprising a compound of formula (H2X)(TiO(Y)2) or a hydrate thereof, wherein X is 1,4-diazabicyclo[2.2.2]octane (DABCO), and Y is oxalate anion (C2O4?2), when heated in an oxygen-containing atmosphere at a temperature in the range of at least about 275° C. to less than about 400° C., decomposes to form an amorphous titania/carbon composite material comprising about 40 to about 50 percent by weight titania and about 50 to about 60 percent by weight of a carbonaceous material coating the titania. Heating the composite material at a temperature of about 400 to 500° C. crystallizes the titania component to anatase. The titania materials of the invention are useful as components of the cathode or anode of a lithium or lithium ion electrochemical cell.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: May 9, 2017
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: John T. Vaughey, Andrew Jansen, Christopher D. Joyce
  • Patent number: 9559357
    Abstract: A method of preparing a titanium and niobium mixed oxide including the steps of: preparing a titanium and niobium mixed oxide in amorphous form by a solvothermal treatment of at least one titanium precursor and of at least one niobium precursor, mechanically crushing the titanium and niobium mixed oxide obtained at the end of the solvothermal treatment and calcinating the mixed oxide obtained after crushing.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: January 31, 2017
    Assignee: Commissariat A L'Energie Atomique Et Aux Energies Alternatives
    Inventors: Lucienne Buannic, Jean-François Colin, Lise Daniel
  • Publication number: 20150147663
    Abstract: An electrical energy storage device 20 is disclosed as a secondary battery device 22 having an anode 28 containing Aluminum and Indium and a cathode 38 that includes an electroactive layer 42 with a host lattice 44 having a conjugated system with delocalized it electrons. A dopant 48 containing Aluminum is bonded with and intercalated in the host lattice 44. A membrane 34 of cellulose is wetted with a non-aqueous electrolyte 24 containing glycerol and first ions 26 containing Aluminum and having a positive charge and second ions 27 containing Aluminum and having a negative charge, and is sandwiched between the anode 28 and the cathode 38. A method for constructing a secondary battery device 22 is disclosed as well, including steps for producing the electrolyte 24, the anode 28, and the cathode 38 including the dopant 48.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 28, 2015
    Inventor: Alexandre M. Iarochenko
  • Patent number: 9040203
    Abstract: A lithium battery including: a positive electrode including an overlithiated lithium transition metal oxide having a layered structure; a negative electrode including a silicon-based negative active material; and an electrolyte between the positive electrode and the negative electrode, the electrolyte including an electrolytic solution including a fluorinated ether solvent in an amount of 3 vol % or more based on the total volume of the electrolytic solution.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 26, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung-Hoon Kim, Man-Seok Han, Seung-Wan Kim, Jung-Yeon Won, Ha-Na Yoo
  • Publication number: 20150140451
    Abstract: An electrolyte for a magnesium cell contains a solute, which is phenoxyl-Mg—Al-halogen complex, and an ether solvent. With respect to the entire electrolyte, the solute concentration is 0.2 to 1 mol/L. The electrolyte is capable of staying stable in the air. Also provided is a magnesium cell containing the electrolyte.
    Type: Application
    Filed: June 7, 2013
    Publication date: May 21, 2015
    Applicants: SHANGHAI JIAO TONG UNIVERSITY, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jun Yang, Feifei Wang, Yongsheng Guo, Yanna Nuli
  • Publication number: 20150140450
    Abstract: An electrolyte solution including a non-aqueous organic solvent and a magnesium salt represented by Formula 1: wherein in Formula 1, groups CY1, CY2, A1 to A10, and variable n are defined in the specification.
    Type: Application
    Filed: April 17, 2014
    Publication date: May 21, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Basab ROY, Dong-young KIM, Youn-hee LIM, Seok-soo LEE
  • Publication number: 20150132666
    Abstract: There is provided a positive electrode for a nonaqueous electrolyte secondary battery, the positive electrode being capable of improving the charge-discharge cycle characteristics of the nonaqueous electrolyte secondary battery. A positive electrode 12 of a nonaqueous electrolyte secondary battery 1 contains positive electrode active material particles. The positive electrode active material particles contain a lithium-containing transition metal oxide. The lithium-containing transition metal oxide has a crystal structure that belongs to the space group P63mc. A compound of at least one selected from the group consisting of boron, zirconium, aluminum, magnesium, titanium, and a rare-earth element is attached to surfaces of the positive electrode active material particles.
    Type: Application
    Filed: December 28, 2012
    Publication date: May 14, 2015
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Atsushi Ogata, Takeshi Ogasawara, Yasufumi Takahashi, Motoharu Saito, Masaki Hirase, Katsunori Yanagida, Masahisa Fujimoto
  • Publication number: 20150125759
    Abstract: An energy storage device comprising: (A) an anode comprising graphite; and (B) an electrolyte composition comprising: (i) at least one carbonate solvent; (ii) an additive selected from CsPF6, RbPF6, Sr(PF6)2, Ba(PF6)2, or a mixture thereof; and (iii) a lithium salt.
    Type: Application
    Filed: January 12, 2015
    Publication date: May 7, 2015
    Applicant: BATTELLE MEMORIAL INSTITUTE
    Inventors: Wu Xu, Hongfa Xiang, Jiguang Zhang, Ruiguo Cao
  • Publication number: 20150125761
    Abstract: The present invention includes [1] a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a specified acyclic lithium salt in the nonaqueous electrolytic solution and being capable of improving electrochemical characteristics in a broad temperature range; and [2] an energy storage device including a positive electrode, a negative electrode, and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a specified acyclic lithium salt in the nonaqueous electrolytic solution.
    Type: Application
    Filed: May 13, 2013
    Publication date: May 7, 2015
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Kei Shimamoto, Yuichi Kotou, Shoji Shikita
  • Publication number: 20150118580
    Abstract: What is disclosed is a non-aqueous electrolyte for non-aqueous electrolyte battery including a non-aqueous solvent and at least lithium hexafluorophosphate as a solute. This electrolyte is characterized by containing at least one siloxane compound represented by the general formula (1) or the general formula (2). This electrolyte has a storage stability which is improved than electrolytes prepared by adding conventional siloxane compounds.
    Type: Application
    Filed: June 10, 2013
    Publication date: April 30, 2015
    Inventors: Yuki Kondo, Makoto Kubo, Takayoshi Morinaka, Kenta Yamamoto
  • Publication number: 20150118578
    Abstract: Disclosed is a cathode for a lithium sulfur battery comprising a sulfur-containing active material, an electrolyte in which a lithium salt is dissolved in an ether-based solvent, and an additional liquid active material in the form of Li2Sx (0<x?9) dissolved in the electrolyte, and a lithium sulfur battery using the same. The lithium sulfur battery of the present invention has a loading amount of cathode sulfur that is increased to at least about 13.5 mg/cm2 and a structural energy density that is increased from about 265 Wh/kg to at least about 355 Wh/kg as compared with a conventional battery.
    Type: Application
    Filed: December 31, 2013
    Publication date: April 30, 2015
    Applicant: Hyundai Motor Company
    Inventors: Won Keun Kim, Yoon Ji Lee, Jun Ki Rhee
  • Publication number: 20150118581
    Abstract: A rechargeable lithium ion battery including a negative active material, the negative active material including a carbon-based active material, and an electrolyte solution that includes a S?O-containing compound, the S?O-containing compound having a structure that is selected according to a G band/D band ratio of the carbon-based active material.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 30, 2015
    Inventors: Hironari TAKASE, Hokuto YOKOTSUJI
  • Publication number: 20150118579
    Abstract: The present invention provides an electrolytic solution for a nonaqueous electrolyte battery and a nonaqueous electrolyte battery having excellent cycle characteristics and high-temperature storage characteristics without causing hydrolysis of a fluorine-containing lithium salt, such as LiPF6, contained as a solute and containing a less amount of free fluorine ions, as well as a method of producing the electrolytic solution for a nonaqueous electrolyte battery.
    Type: Application
    Filed: May 29, 2013
    Publication date: April 30, 2015
    Inventors: Yuki Kondo, Keita Nakahara, Satoshi Muramoto, Takayoshi Morinaka
  • Patent number: 9017883
    Abstract: The present invention discloses a rechargeable lithium battery including a positive electrode, a negative electrode including lithium titanate represented by Chemical Formula 1, and an electrolyte impregnating the positive and negative electrodes and including a sultone-based compound and maleic anhydride, wherein the sultone-based compound and the maleic anhydride are respectively included in an amount of about 0.5 wt % to about 5 wt % based on the total weight of the electrolyte. Chemical Formula 1: Li4?xTi5+x?yMyO12. In Chemical Formula 1, M is an element selected from Mg, V, Cr, Nb, Fe, Ni, Co, Mn, W, Al, Ga, Cu, Mo, P, or a combination thereof, 0?x?1, 0?y?1.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 28, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Su-Hee Han
  • Patent number: 9012095
    Abstract: An electrolyte includes a solvent and an electrolyte salt. The solvent contains at least one selected from ester compounds, lithium monofluorophosphate, and lithium difluorophosphate, and at least one selected from anhydrous compounds. The ester compounds are chain compounds having ester moieties, such as (—O—C(?O)—O—R), at both ends. The anhydrous compounds are cyclic compounds having, for example, a disulfonic anhydride group, (—S(O?)2—O—S(O?)2—).
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: April 21, 2015
    Assignee: Sony Corporation
    Inventors: Masayuki Ihara, Shinya Wakita, Tadahiko Kubota
  • Patent number: 9012072
    Abstract: This invention generally relates to electrochemical cells utilizing magnesium anodes, new solutions and intercalation cathodes. The present invention is a new rechargeable magnesium battery based on magnesium metal as an anode material, a modified Chevrel phase as an intercalation cathode for magnesium ions and new electrolyte solution from which magnesium can be deposited reversibly, which have a very wide electrochemical window. The Chevrel phase compound is represented by the formula Mo6S8-YSeY in which y is higher than 0 and lower than 2 or by the formula MXMo6S8 in which M is selected from the group comprising of copper (Cu), nickel (Ni), silver (Ag) and/or any other transition metal; further wherein x is higher than 0 and lower than 2.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: April 21, 2015
    Assignee: Bar-Ilan University
    Inventors: Doron Aurbach, Elena Levi, Ariel Mitelman, Eli Lancry, Oren Mizrahi, Yosef Gofer, Orit Chasid, Gurukar Shivappa Suresh
  • Patent number: 9012096
    Abstract: The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes, and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, and an electrode stabilizing additive. In certain electrolytes, the alkali metal salt is a bis(chelato)borate and the additives include substituted or unsubstituted linear, branched or cyclic hydrocarbons comprising at least one oxygen atom and at least one aryl, alkenyl or alkynyl group. In other electrolytes, the additives include a substituted aryl compound or a substituted or unsubstituted heteroaryl compound wherein the additive comprises at least one oxygen atom. There are also provided methods of making the electrolytes and batteries employing the electrolytes. The invention also provides for electrode materials.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: April 21, 2015
    Assignee: UChicago Argonne, LLC
    Inventors: Khalil Amine, Jun Liu, Donald R. Vissers, Wenquan Lu
  • Patent number: 9005823
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a gamma butyrolactone compound substituted with at least one F atom at the ?-position.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: April 14, 2015
    Assignees: Samsung SDI Co., Ltd., Soulbrain Co., Ltd.
    Inventors: Duck-Chul Hwang, Eun-Gi Shim, Jong-Hyun Lee, Jong-Su Kim, Young-Min Kim
  • Patent number: 9005821
    Abstract: A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein an open circuit voltage in a completely charged state per pair of a positive electrode and a negative electrode is from 4.25 to 6.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: April 14, 2015
    Assignee: Sony Corporation
    Inventors: Toru Odani, Tadahiko Kubota
  • Publication number: 20150093654
    Abstract: The invention relates to compositions comprising at least one fluorinated compound of the following formula (I): wherein: X corresponds to a unit of the following formula (II): or to a sequence of said unit of formula (II), wherein R3, R4, R5 et R6 represent, independently of each other, a halogen atom, a hydrogen atom, a perfluoroalkoxy group, a perfluoroalkyl group provided that at least one of said R3, R4, R5 et R6 represents a fluorine atom, a perfluoroalkoxy group or a perfluoroalkyl group; R1 and R2 represents, independently of each other, an alkyl group; and comprising at least one lithium salt.
    Type: Application
    Filed: April 19, 2013
    Publication date: April 2, 2015
    Applicant: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Hervé Galiano, Charlotte Beord, Nathalie Pierre, Stéphane Cadra, Bruno Ameduri, Ali Alaaeddine, Noureddine Ajellal
  • Publication number: 20150086880
    Abstract: Disclosed is a lithium secondary battery having improved lifespan characteristics. More particularly, a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and anode, and an electrolyte, wherein the anode comprises lithium titanium oxide (LTO) as an anode active material, the electrolyte comprises a lithium salt; a non-aqueous-based solvent; and (a) a phosphate compound which can prevent gas generation during high-temperature storage, (b) a sulfonate compound which can reduce discharge resistance by forming a low-resistance SEI layer, or a mixture of the compound (a) and the compound (b), is disclosed.
    Type: Application
    Filed: December 4, 2014
    Publication date: March 26, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Kyoung Ho Ahn, Chul Haeng Lee, Jung Hoon Lee, Doo Kyung Yang, Young Min Lim
  • Publication number: 20150086879
    Abstract: An anode in which an anode active material layer is arranged on an anode current collector. The anode active material layer includes anode active material particles made of an anode active material including at least one of silicon and tin as an element. An oxide-containing film including an oxide of at least one kind selected from the group consisting of silicon, germanium and tin is formed in a region in contact with an electrolytic solution of the surface of each anode active material particle by a liquid-phase method such as a liquid-phase deposition method. The region in contact with the electrolytic solution of the surface of each anode active material particle is covered with the oxide-containing film, to thereby improve the chemical stability of the anode and the charge-discharge efficiency. The thickness of the oxide-containing film is preferably within a range from 0.1 nm to 500 nm both inclusive.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Inventors: Hiroyuki Yamaguchi, Hiroshi Horiuchi, Kenichi Kawase, Tadahiko Kubota, Hideki Nakai, Takakazu Hirose
  • Publication number: 20150079484
    Abstract: The present disclosure relates to additives for electrolytes and preparation of aluminum-based, silicon-based, and bismuth-based additive compounds that can be used as additives or solutes in electrolytes and test results in various electrochemical devices. The inclusion of these aluminum, silicon, and bismuth compounds in electrolyte systems can enable rechargeable chemistries at high voltages that are otherwise unsuitable with current electrolyte technologies. These compounds are so chosen because of their beneficial effect on the interphasial chemistries formed at high potentials, such as 5.0 V class cathodes for Li-ion chemistries. The application of these compounds goes beyond Li-ion battery technology and covers any electrochemical device that employs electrolytes for the benefit of high energy density resultant from high operating voltages.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 19, 2015
    Applicant: U.S. Government as represented by the Secretary of the Army
    Inventors: Arthur von Wald Cresce, Kang Conrad Xu
  • Publication number: 20150079483
    Abstract: The present disclosure relates to several families of commercially available oxirane compounds that can be used as electrolyte co-solvents, solutes, or additives in non-aqueous electrolyte and their test results in various electrochemical devices. The presence of these compounds can enable rechargeable chemistries at high voltages. These compounds were chosen for their beneficial effect on the interphasial chemistries that occur at high potentials on the classes of 5.0V cathodes used in experimental Li-ion systems.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Applicant: U.S. Government as represented by the Secretary of the Army
    Inventors: Arthur von Wald Cresce, Kang Conrad Xu
  • Publication number: 20150072248
    Abstract: An alkali metal-sulfur-based secondary battery, in which coulombic efficiency is improved by suppressing a side reaction during charge, and a reduction in discharge capacity by repetition of charge and discharge is suppressed and which has a long battery life and an improved input/output density, includes a positive electrode or a negative electrode containing a sulfur-based electrode active material; an electrolyte solution containing an ether compound such as THF and glyme and a solvent such as a fluorine-based solvent, wherein at least a part of the ether compound and the alkali metal salt forms a complex; and a counter electrode.
    Type: Application
    Filed: March 18, 2013
    Publication date: March 12, 2015
    Applicant: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
    Inventors: Masayoshi Watanabe, Kaoru Dokko, Naoki Tachikawa, Mizuho Tsuchiya, Kazuhide Ueno, Azusa Yamazaki, Kazuki Yoshida, Ryuji Harimoto, Risa Nozawa, Toshihiko Mandai, Ce Zhang, Jun-Woo Park, Yu Onozaki, Masao Iwaya
  • Publication number: 20150072250
    Abstract: A method for forming a solvo-ionic liquid suitable for use as an electrolyte in an electrochemical cell is provided. The solvo-ionic liquid, a mixture including a multidentate ethereal solvent and magnesium borohydride, can be a liquid, a gel or a solid at room temperature and generally has high thermal stability including virtually no volatility at a typical cell operating temperature. An electrochemical cell having a solvo-ionic liquid as electrolyte is also disclosed. The electrochemical cell will typically be a rechargeable magnesium battery, having an anode suitable to accommodate magnesium oxidation during battery discharge.
    Type: Application
    Filed: November 13, 2014
    Publication date: March 12, 2015
    Inventor: Rana Mohtadi
  • Publication number: 20150064578
    Abstract: An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt; a non-aqueous organic solvent; and a piperazine derivative represented by Formula 1 having an oxidation potential lower than an oxidation potential of the non-aqueous organic solvent by about 2 V to about 4 V: wherein, in Formula 1, X, Y, and R1 to R4 are defined in the specification.
    Type: Application
    Filed: July 9, 2014
    Publication date: March 5, 2015
    Inventors: Yoon-sok KANG, Jun-young MUN, Min-sik PARK, Jae-gu YOON
  • Publication number: 20150050560
    Abstract: The present invention relates to silicone epoxy compositions, methods for making same and uses therefore. In one embodiment, the silicone epoxy ether compositions of the present invention are silane epoxy polyethers that contain at least one epoxy functionality. In another embodiment, the silicone epoxy ether compositions of the present invention are siloxane epoxy polyethers that contain at least one epoxy functionality. In still another embodiment, the present invention relates to silicone epoxy polyether compositions that are suitable for use as an electrolyte solvent in a lithium-based battery, an electrochemical super-capacitors or any other electrochemical device.
    Type: Application
    Filed: January 10, 2013
    Publication date: February 19, 2015
    Inventors: Neeraj Gupta, Karthikeyan Sivasubramanian, Monjit Phukan
  • Publication number: 20150050563
    Abstract: A new electrolytic solution system for lithium secondary batteries. Provided is a lithium secondary battery electrolytic solution containing a nonaqueous solvent and a lithium salt. The nonaqueous solvent is mixed at an amount of not more than 3 mol with respect to 1 mol of the lithium salt.
    Type: Application
    Filed: March 25, 2013
    Publication date: February 19, 2015
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Yuki Yamada, Atsuo Yamada, Makoto Yaegashi, Haosheu Zhou, Fujun Li
  • Publication number: 20150050561
    Abstract: A lithium ion cell includes a cathode including a cathode active material having an operating voltage of 4.6 volts or greater; an anode including an anode material and a lithium additive including a lithium metal foil, lithium alloy, or an organolithium material; a separator; and an electrolyte.
    Type: Application
    Filed: August 16, 2013
    Publication date: February 19, 2015
    Applicant: UChicago Argonne, LLC
    Inventors: Zhengcheng Zhang, Libo Hu, Khalil Amine, Christopher S. Johnson
  • Publication number: 20150044578
    Abstract: Described are binder precursor compositions for cathodes containing polyamic acid which has a anhydride to amine ratio of greater than or equal to 0.985:1 to less than or equal to 1.10:1. These compositions are useful as cathodes in electrochemical cells, such as lithium ion batteries. Also described are electrodes comprising the binder precursor compositions and methods to prepare the electrodes.
    Type: Application
    Filed: July 28, 2014
    Publication date: February 12, 2015
    Inventors: KOSTANTINOS KOURTAKIS, Biswajit Choudhury, Gerard Joseph Grier
  • Publication number: 20150044577
    Abstract: A magnesium ion-containing electrolyte used for a magnesium cell includes magnesium, halogen, one of boron, aluminum, and phosphorous, and an organic group including OCXHY. The magnesium ion-containing electrolyte has low reactivity with oxygen. Even when oxygen exists in the magnesium ion-containing electrolyte, a deterioration of the magnesium-ion containing electrolyte is restricted, and magnesium ions stably move.
    Type: Application
    Filed: August 5, 2014
    Publication date: February 12, 2015
    Inventors: Norikazu ADACHI, Kenichirou KAMI, Sergiy M. MALOVANYY, Leonid M. USHKALOV
  • Publication number: 20150044573
    Abstract: The invention relates to lithium 1-trifluoromethoxy-1,2,2,2-tetra-fluoroethanesulphonate, the use of lithium 1-trifluoromethoxy-1,2,2,2-tetra-fluoroethanesulphonate as electrolyte salt in lithium-based energy stores and also ionic liquids comprising 1-trifluoro-methoxy-1,2,2,2-tetrafluoro-ethanesulphonate as anion.
    Type: Application
    Filed: February 27, 2013
    Publication date: February 12, 2015
    Inventors: Gerd-Volker Röschenthaler, Martin Winter, Stefano Passerini, Katja Vlasov, Nataliya Kalinovich, Christian Schreiner Schreiner, Raphael Wilhelm Schmitz, Ansgar Romek Müller, Rene Schmitz, Tanja Schedlbauer, Alexandra Lex-Balducci, Miriam Kunze
  • Publication number: 20150037691
    Abstract: An electrolyte may include compounds of general Formula IVA or IVB. where, R8, R9, R10, and R11 are each independently selected from H, F, Cl, Br, CN, NO2, alkyl, haloalkyl, and alkoxy groups; X and Y are each independently O, S, N, or P; and Z? is a linkage between X and Y, and at least one of R8, R9, R10, and R11 is other than H.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Wei Weng, Zhengcheng Zhang, Khalil Amine
  • Patent number: 8945765
    Abstract: A secondary lithium battery electrolyte including a lithium salt, a nonaqueous organic solvent, and an electrolyte additive represented by Formula 1: where n is an integer in the range of 1 to 4. A secondary lithium battery having excellent cycle and high temperature retention characteristics can be provided by using such secondary lithium battery electrolyte.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: February 3, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-soo Lee, Young-gyoon Ryu, Dong-joon Lee
  • Patent number: 8945781
    Abstract: The present invention provides a non-aqueous electrolyte secondary battery wherein a reaction between a non-aqueous electrolyte and an electrode is suppressed and decrease in battery capacity under high temperature is restricted, so that long time excellent battery characteristics can be obtained. A non-aqueous solvent of the non-aqueous electrolyte contains: chain fluorinated carboxylic acid ester represented by the formula R1-CH2—COO—R2 where R1 represents hydrogen or alkyl group and R2 represents alkyl group and the sum of the carbon numbers of R1 and R2 is 3 or less, and in the case that R1 is hydrogen, at least one part of hydrogen in R2 is replaced with fluorine, and, in the case that R1 is alkyl group, at least one part of hydrogen in R1 and/or R2 is replaced with fluorine; and a film forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: February 3, 2015
    Assignees: SANYO Electric Co., Ltd., Kanto Denka Kogyo Co., Ltd.
    Inventors: Takanobu Chiga, Keiji Saisho, Ryo Mogi, Osamu Omae
  • Patent number: 8940433
    Abstract: The present invention relates to an electrolyte solution comprising at least one solvent as component A, at least one electrolyte as component B and from 0.1 to 20% by weight, based on the total electrolyte solution, of at least one heteroaromatic compound of the general formula (I) as component C, the use of such a compound in electrolyte solutions, the use of such an electrolyte solution in an electrochemical cell or for metal plating, and also electrochemical cells comprising a corresponding electrolyte solution.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: January 27, 2015
    Assignee: BASF SE
    Inventors: Xiao Steimle, Itamar Michael Malkowsky, Klaus Leitner
  • Publication number: 20150024267
    Abstract: The present invention relates to an electrolyte having improved high-rate charge and discharge property, and a capacitor comprising the same, and more particularly to an electrolyte having improved high-rate charge and discharge property comprising an aromatic compound, which comprises at least one compound of the following Chemical Formula 1 to Chemical Formula 11 that can induce resonance effect of electron movement, and which is a substituted organic compound in which a functional group is present at a location that can structurally prevent local polarization effect, and the boiling point of which is 80° C. or higher, wherein R in the Chemical Formula 1 to Chemical Formula 11 is at least one functional group selected from the alkyl group consisting of methyl, ethyl, propyl and butyl, and a capacitor comprising the same.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 22, 2015
    Inventor: Cheol Soo JUNG
  • Publication number: 20150024282
    Abstract: In an aspect, a lithium secondary battery including a compound as disclosed and described herein; and an electrolyte for a lithium secondary battery including a non-aqueous organic solvent and a lithium salt is provided.
    Type: Application
    Filed: June 24, 2014
    Publication date: January 22, 2015
    Inventors: Ha-Rim Lee, Sang-Hoon Kim, In-Haeng Cho
  • Publication number: 20150024121
    Abstract: A process for producing a separator-electrolyte layer for use in a lithium battery, comprising: (a) providing a porous separator; (b) providing a quasi-solid electrolyte containing a lithium salt dissolved in a first liquid solvent up to a first concentration no less than 3 M; and (c) coating or impregnating the separator with the electrolyte to obtain the separator-electrolyte layer with a final concentration ?the first concentration so that the electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of that of the first liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the first liquid solvent alone, a flash point higher than 150° C., or no detectable flash point. A battery using such a separator-electrolyte is non-flammable and safe, has a long cycle life, high capacity, and high energy density.
    Type: Application
    Filed: July 22, 2013
    Publication date: January 22, 2015
    Inventors: Hui He, Bor Z. Jang, Yanbo Wang, Aruna Zhamu
  • Patent number: 8936881
    Abstract: A rechargeable lithium battery including a negative electrode, a positive electrode, the positive electrode including a lithium manganese oxide represented by the following Chemical Formula 1a or 1b, and an electrolyte, the electrolyte including an alkylsilyl phosphate represented by the following Chemical Formula 2:
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: January 20, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Su-Hee Han