Acyclic Carboxylic Acid Ester Solvent Patents (Class 429/343)
  • Patent number: 11122585
    Abstract: A communication method and a terminal and a base station adapted to the method are provided. The communication method of a terminal includes: receiving a message containing information regarding a semi-persistent scheduling (SRS) configuration from a base station; determining whether a sub-frame configured with a non-adaptive re-transmission is identical to a sub-frame configured with an uplink grant according to the SPS configuration; and when: a sub-frame configured with a non-adaptive re-transmission is identical to a sub-frame configured with an uplink grant according to the SPS configuration; and the terminal does not have data to be first transmitted via the sub-frame configured with an uplink grant according to the SPS configuration, performing the non-adaptive re-transmission.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: September 14, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sangbum Kim, Soenghun Kim, Jaehyuk Jang, Gert-Jan Van Lieshout, Himke Van Der Velde
  • Patent number: 11050086
    Abstract: A lithium-ion battery may include a housing, an anode and a cathode that are disposed in the housing and are in ionically conductive contact with one another, an electrolyte composition that is disposed in the housing and providing an ionically conductive pathway between the anode and the cathode, and a porous separator between the anode and the cathode. The cathode may include a cathode active material which is charged to a potential greater than or equal to 4.35 V versus a Li/Li+ reference electrode. The electrolyte composition may include a) a non-fluorinated carbonate, b) a fluorinated acyclic carboxylic acid ester, c) one or more lithium glycolatoborate compounds, d) a fluorinated carbonate, and e) an electrolyte salt.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: June 29, 2021
    Assignee: SOLVAY SA
    Inventors: Charles J. Dubois, George K. Kodokian
  • Patent number: 11031622
    Abstract: The present disclosure provides a lithium-ion secondary battery, which comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte. The lithium-ion secondary battery satisfies a relationship: 1.5?(m×C)/(?×Cap)?6.5. In the present disclosure, by comprehensively considering the rated capacity of the battery, the mass of the electrolyte and the intrinsic parameters of the electrolyte and reasonably quantifying the relationship thereof, the lithium-ion secondary battery can have good dynamics performance and longer cycle life at the same time.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: June 8, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Qiaoge Wang, Shengwei Wang, Chuanmiao Yan, Fuping Luo, Yanyun Tan, Manfang Zhang
  • Patent number: 9979050
    Abstract: Electrolyte compositions containing a solvent mixture comprising 2,2,-difluoroethyl acetate and ethylene carbonate are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: May 22, 2018
    Assignee: Solvay SA
    Inventors: William L Holstein, Xudong Chen, Jun J Liu, Mark Gerrit Roelofs
  • Patent number: 9673481
    Abstract: In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: June 6, 2017
    Assignee: Sony Corporation
    Inventors: Yuichi Sabi, Katsunori Takahara, Hiroyuki Morioka, Tatsuya Furuya, Koichiro Hinokuma, Reina Ichikawa, Yui Senda, Momoe Adachi
  • Patent number: 9455472
    Abstract: Lithium-ion electrochemical cells are provided that include a positive electrode that includes a lithium metal oxide or a lithium metal phosphate, a negative electrode capable of intercalating or alloying with lithium, and an electrolyte that includes an additive. The additive includes a multifunctional anion that has the formula, X—SO2—Rf—SO2—Y, wherein X and Y are, independently, either O— or RfSO2N—, Rf is a straight or branched fluoroalkyl moiety having from 1 to 6 carbon atoms, and can, optionally, contain one or more in-chain heteroatoms, wherein Rf is a straight or branched chain or cyclic fluoroalkylene having from 1 to 10 carbon atoms and can, optionally, contain one or more in-chain heteroatoms, and wherein both Rf and Rf have a maximum of 20% non-fluorine substituents. The provided additives can improve the performance, hydrolytic stability, and thermal stability of the provided electrochemical cells.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: September 27, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: William M. Lamanna, Ang Xiao, Matthew J. Triemert, Phat T. Pham
  • 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: 20150111112
    Abstract: A method for preparing fluorine-containing carboxylic acid esters is described in which a salt of a carboxylic acid is reacted with a fluorinated alkyl halide. The fluorine-containing carboxylic acid esters prepared by the method disclosed herein are particularly useful as electrolyte solvents for electrochemical cells, such as a lithium ion battery, where a high purity solvent is desired.
    Type: Application
    Filed: March 8, 2013
    Publication date: April 23, 2015
    Inventors: Viacheslav A. Petrov, Charles J. Dubois
  • 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
  • Publication number: 20150084603
    Abstract: An improved electrolyte including a strontium additive suitable for lithium-sulfur batteries, a battery including the electrolyte, and a battery including a separator containing a strontium additive are disclosed. The presence of the strontium additive reduces sulfur-containing deposits on the battery anode, thereby providing a battery with relatively high energy density and good partial discharge performance.
    Type: Application
    Filed: September 26, 2013
    Publication date: March 26, 2015
    Applicant: EAGLEPICHER TECHNOLOGIES, LLC
    Inventors: Ramanathan THILLAIYAN, Wujun FU, Mario DESTEPHEN, Greg MILLER
  • Publication number: 20150084604
    Abstract: An improved lithium-sulfur battery containing a surface-functionalized carbonaceous material. The presence of the surface-functionalized carbonaceous material generates weak chemical bonds between the functional groups of the surface-functionalized carbonaceous material and the functional groups of the polysulfides, which prevents the polysulfide migration to the battery anode, thereby providing a battery with relatively high energy density and good partial discharge efficiency.
    Type: Application
    Filed: September 26, 2013
    Publication date: March 26, 2015
    Applicant: EAGLEPICHER TECHNOLOGIES, LLC
    Inventors: Ramanathan THILLAIYAN, Wujun FU, Mario DESTEPHEN, Greg MILLER, Ernest NDZEBET, Umamaheswari JANAKIRAMAN
  • 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: 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
  • 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
  • Publication number: 20150030939
    Abstract: The invention relates to the use of lithium-2-pentafluoroethoxy-1,1,2,2-tetrafluoro-ethanesulfonate as a conductive salt in lithium-based energy stores and to electrolytes containing lithium-2-pentafluoroethoxy-1,1,2,2-tetrafluoro-ethanesulfonate.
    Type: Application
    Filed: February 27, 2013
    Publication date: January 29, 2015
    Inventors: Marius Amereller, René Schmitz, Raphael Wilhelm Schmitz, Ansgar Romek Müller, Martin Winter, Christian Schreiner, Miriam Kunze, Stefano Passerini
  • 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
  • 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: 20140377667
    Abstract: The invention relates to lithium-2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate, to the use thereof as conductive salt in lithium-based energy accumulators, and ionic liquids comprising 2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate as an anion.
    Type: Application
    Filed: July 25, 2012
    Publication date: December 25, 2014
    Applicants: JACOBS UNIVERSITY BREMEN gGMBH, WESTFALISCHE WILHELMS UNIVERSITAT MUNSTER
    Inventors: Gerd-Volker Roschenthaler, Martin Winter, Katja Vlasov, Nataliya Kalinovich, Christian Schreiner, Raphael Wilhelm Schmitz, Romek Ansgar Muller, Rene Schmitz, Alexandra Lex-Balducci, Miriam Kunze
  • Publication number: 20140356733
    Abstract: Provided are an additive for a lithium battery electrolyte, wherein the additive is an ethylene carbonate based compound represented by the following Formula 1 or 2, an organic electrolyte solution including the additive, and a lithium battery including the organic electrolyte solution: in the above Formulae, R1, R2, R3, and R4 are each independently a non-polar functional group or a polar functional group, the polar functional group including a heteroatom belonging to groups 13 to 16 of the periodic table of elements, and one or more of R1, R2, R3, and R4 are the polar functional groups.
    Type: Application
    Filed: May 5, 2014
    Publication date: December 4, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Makhmut Khasanov, Woo-Cheol Shin, Vladimir Egorov, Pavel Alexandrovich Shatunov, Denis Chernyshov, Sang-Hoon Kim, Ha-Rim Lee, In-Haeng Cho, Alexey Tereshchenko
  • Publication number: 20140356734
    Abstract: An electrolyte for a lithium ion secondary battery and a lithium ion secondary battery including the same are provide. The electrolyte includes a non-aqueous organic solvent, a lithium salt which is dissolved in the non-aqueous solvent and a additive shown as general formula I. Wherein R1, R2 and R3 are each independently selected from H, alkyl group including from 1 to 12 carbon atoms, cycloalkyl group including from 3 to 8 carbon atoms and aromatic group including 6 to 12 carbon atoms; n represents an integer from 0 to 7. This additive in electrolyte can passivate cathode and anode effectively, restrain their reaction with electrolyte, reduce gases generation and battery's expansion in high temperature surrounding, provide as safety lithium ion secondary batteries.
    Type: Application
    Filed: May 31, 2013
    Publication date: December 4, 2014
    Inventors: Jianxun Ren, Chenghua Fu, Fenggang Zhao
  • Publication number: 20140322615
    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: Application
    Filed: October 26, 2012
    Publication date: October 30, 2014
    Inventors: Makiko Uehara, Takehiro Noguchi
  • Publication number: 20140322616
    Abstract: A non-aqueous electrolyte solution for secondary batteries, comprising a lithium salt (total number of moles of lithium atoms: NLi) and a liquid composition, wherein the liquid composition comprises a specific fluorinated solvent (?) and a cyclic carboxylic acid ester compound (total number of moles: NA), and may contain a specific compound (?) (total number of moles: NB), the content of the fluorinated solvent (?) is from 40 to 80 mass %, NA/NLi is from 1.5 to 7.0, and (NA+NB)/NLi is from 3 to 7.0; and, a lithium ion secondary battery employing such a non-aqueous electrolyte solution for secondary batteries.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 30, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yu ONOZAKI, Toyokazu ENTA, Masao IWAYA
  • Publication number: 20140287327
    Abstract: The present invention provides a method of coating a substrate for a lithium secondary battery with inorganic particles, comprising charging the inorganic particles to form charged inorganic particles; transferring the charged inorganic particles on the substrate for a lithium secondary battery to form a coating layer; and fixing the coating layer with heat and pressure. Such a coating method according to one embodiment of the present invention uses electrostatic force without the addition of a solvent, and therefore, non use of a solvent can result in cost-reducing effects since there is no burden on the handling and storing of the solvent, and since a drying procedure after slurry coating is not needed, it allows for the preparation of a lithium secondary battery in a highly effective and rapid manner.
    Type: Application
    Filed: June 9, 2014
    Publication date: September 25, 2014
    Inventors: Joo-Sung Lee, Jong-Hun Kim, Jeong-Min Ha, Bo-Kyung Ryu, Jin-Woo Kim
  • Publication number: 20140272605
    Abstract: Provided are a non-aqueous electrolyte solution which includes a lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and an additive including a vinylene carbonate-based compound and a sultone-based compound, and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and capacity characteristics.
    Type: Application
    Filed: June 2, 2014
    Publication date: September 18, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Young Min Lim, Chul Haeng Lee, Doo Kyung Yang, Kyoung Ho Ahn, Gwang Yeon Kim
  • Patent number: 8808918
    Abstract: The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCo0.98M?0.02O2, and the coating layer is made of a material such as MxPyOz. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jeom-Soo Kim, Jong-Hwa Lee, Yong-Chul Park, Jae-Yul Ryu, So-Hyun Hur
  • Patent number: 8808915
    Abstract: The rechargeable lithium battery includes a positive electrode which includes a positive active material, a negative electrode, and an electrolyte which includes a non-aqueous organic solvent and a lithium salt. The positive active material includes a core including at least one of a compound represented by Formula 1 and a compound represented by Formula 2, and a surface-treatment layer which is formed on the core and includes a compound represented by Formula 3. The lithium salt includes LiPF6 and a lithium imide-based compound. LiaNibCocMndMeO2??(1) LihMn2MiO4??(2) M?xPyOz??(3) wherein each of M and M? is independently selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and combinations thereof, 0.95?a?1.1, 0?b?0.999, 0?c?0.999, 0?d?0.999, 0.001?e?0.2, 0.95?h?1.1, 0.001?i?0.2, 1?y?4, 0?y?7, and 2?z?30.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-Hyun Hur, Euy-Young Jung, Duck-Chul Hwang, Yong-Chul Park, Jong-Hwa Lee, Jeom-Soo Kim, Jae-Yul Ryu, Jin-Bum Kim
  • Publication number: 20140212770
    Abstract: Disclosed are a non-aqueous electrolytic solution that exhibits excellent electrochemical characteristics over a wide temperature range, and an electrochemical device using the non-aqueous electrolytic solution. The non-aqueous electrolytic solution includes a non-aqueous solvent and an electrolyte salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolytic solution further comprises one compound represented by general formula (I): wherein R1 represents alkyl having 1 to 6 carbon atoms, cycloalkyl having 3 to 6 carbon atoms, alkenyl having 2 to 6 carbon atoms, alkynyl having 3 to 6 carbon atoms, or aryl having 6 to 12 carbon atoms; X represents a divalent linking group that has 1 to 6 carbon atoms and is optionally substituted by a halogen atom; and Y1 represents a specific substituent, for example, alkylcarbonyl.
    Type: Application
    Filed: August 3, 2012
    Publication date: July 31, 2014
    Applicant: Ulbe industries, Ltd.
    Inventors: Koji Abe, Kei Shimamoto
  • Publication number: 20140199601
    Abstract: The present invention aims to provide an additive for a non-aqueous electrolyte solution with excellent storage stability capable of forming a stable SEI on the surface of an electrode to improve cell performance such as a cycle performance, a discharge/charge capacity, and internal resistance, when the additive is used for electrical storage devices such as non-aqueous electrolyte solution secondary cells and electric double layer capacitors. The present invention also aims to provide a non-aqueous electrolyte solution containing the additive for a non-aqueous electrolyte solution and to provide an electrical storage device using the non-aqueous electrolyte solution.
    Type: Application
    Filed: July 6, 2012
    Publication date: July 17, 2014
    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Tomohiro Onozuka, Shohei Fujimoto, Koji Fujita
  • Publication number: 20140186723
    Abstract: The present disclosure relates generally to the field of batteries and battery modules. More specifically, the present disclosure relates to battery cells that may be used in vehicular contexts, as well as other energy storage/expending applications. An electrolyte solution includes at least one ester solvent and a plurality of additives. In particular, the plurality of additives includes a cyclic carbonate-based additive, a sultone-based additive, and either a borate-based additive or an imide-based additive. The presently disclosed electrolyte solutions enable the manufacture of battery cells having a wide operating temperature range (e.g., between approximately ?30° C. and approximately 60° C.).
    Type: Application
    Filed: December 19, 2013
    Publication date: July 3, 2014
    Applicant: Johnson Controls Technology Company
    Inventors: Boutros Hallac, Patrick T. Hurley, Junwei Jiang, Zhenli Zhang
  • Publication number: 20140178770
    Abstract: The Coulombic efficiency of lithium deposition/stripping can be improved while also substantially preventing lithium dendrite formation and growth using particular electrolyte compositions. Embodiments of the electrolytes include organic solvents and their mixtures to form high-quality SEI layers on the lithium anode surface and to prevent further reactions between lithium and electrolyte components. Embodiments of the disclosed electrolytes further include additives to suppress dendrite growth during charge/discharge processes. The solvent and additive can significantly improve both the Coulombic efficiency and smoothness of lithium deposition. By optimizing the electrolyte formulations, practical rechargeable lithium energy storage devices with significantly improved safety and long-term cycle life are achieved. The electrolyte can also be applied to other kinds of energy storage devices.
    Type: Application
    Filed: February 27, 2014
    Publication date: June 26, 2014
    Inventors: Wu Xu, Ji-Guang Zhang, Yaohui Zhang, Xilin Chen
  • Publication number: 20140170507
    Abstract: The present invention provides: a non-aqueous electrolyte for an electrochemical device, having ion conductivity sufficient for practical use and capable of improving energy density; a method for producing the same; and an electrochemical device using the same. The non-aqueous electrolyte for an electrochemical device includes a non-aqueous solvent and an alkaline earth metal chloride. The alkaline earth metal chloride is dissolved in an amount of 0.015 mol or more relative to 1 mol of the non-aqueous solvent. The total content of the non-aqueous solvent and the alkaline earth metal chloride is 70 mass % or more in the non-aqueous electrolyte.
    Type: Application
    Filed: March 11, 2013
    Publication date: June 19, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Tooru Matsui, Zempachi Ogumi, Toshiro Hirai, Akiyoshi Nakata
  • Publication number: 20140162143
    Abstract: It is an object of the present invention to provide an electrochemical device having an electrolytic solution having high current density and high oxidation resistance, as well as high safety, where dissolution and deposition of magnesium progress repeatedly and stably. The present invention relates to the electrolytic solution for an electrochemical device comprising (1) the supporting electrolyte composed of a magnesium salt and (2) at least one or more kinds of the compound represented by the following general formula [2], as well as the electrochemical device comprising said electrolytic solution, a positive electrode, a negative electrode and a separator.
    Type: Application
    Filed: July 26, 2012
    Publication date: June 12, 2014
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Tsutomu Watahiki, Takahiro Kiyosu, Kuniaki Okamoto
  • Publication number: 20140154590
    Abstract: The invention relates to an electrolyte, comprising at least one lithium salt, a solvent, and at least one compound according to general formula (1). The invention further relates to lithium-based energy stores comprising such an electrolyte.
    Type: Application
    Filed: August 2, 2012
    Publication date: June 5, 2014
    Applicant: WESTFALISCHE WILHELMS UNIVERSITAT MUNSTER
    Inventors: Elisabeth Kramer, Rene Schmitz, Stefano Passerini, Martin Winter
  • Patent number: 8679686
    Abstract: The invention relates to a positive electrode/electrolyte pair for lithium batteries operating at a voltage above 4.2 V versus Li+/Li. The electrolyte of the lithium battery used in the invention includes at least a first additive chosen from optionally substituted, cyclic or acyclic, carboxylic or dicarboxylic anhydrides and carboxylic or dicarboxylic acids, and mixtures thereof, and optionally a second additive which is a lithium salt, the total content of additive(s) being greater than or equal to 0.01% by weight and less than or equal to 30% by weight, relative to the total weight of electrolyte, and the positive electrode is made of a material having a spinel structure. The lithium batteries of the invention are applicable in particular in the field of portable equipment, such as telephones, computers, camcorders, cameras and tooling.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: March 25, 2014
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Sébastien Patoux, Carole Bourbon, Sébastien Martinet, Carole Pagano, Lucas Sannier
  • Patent number: 8673508
    Abstract: A nonaqueous electrolytic solution for lithium battery comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a carboxylate compound represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution. (In the formula R1 and R2 each independently represent a hydrogen atom, or an alkyl group having from 1 to 6 carbon atoms; R3 represents a hydrogen atom, a methyl group, or a group —CH2CO2CR1R2C?CH (R1 and R2 have the same meaning as above).) A lithium battery uses the nonaqueous electrolytic solution having excellent cycle property and storage property.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: March 18, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Koji Abe, Kazuhiro Miyoshi
  • Publication number: 20140065493
    Abstract: Disclosed are a non-aqueous electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the non-aqueous electrolyte, and the non-aqueous electrolyte for a rechargeable lithium battery includes a lithium salt; a non-aqueous organic solvent; and trialkylsilyl borate as an additive, wherein he non-aqueous organic solvent may include a solvent having a low melting point of less than or equal to about ?50° C. and ionic conductivity of greater than or equal to about 6 S/cm at 25° C.
    Type: Application
    Filed: March 13, 2013
    Publication date: March 6, 2014
    Inventors: NA-RAE PARK, JIN-HYUNK LIM, MI-HYEUN OH
  • Publication number: 20140050992
    Abstract: The present invention relates to sulfur-carbon composite materials comprising (A) at least one carbon composite material comprising (a) a carbonization product of at least one carbonaceous starting material, incorporating (aa) particles of at least one electrically conductive additive, the particles having an aspect ratio of at least 10, and (B) elemental sulfur. In addition, the present invention also relates to a process for producing inventive sulfur-carbon composite materials, to cathode materials for electrochemical cells comprising inventive sulfur-carbon composite materials, to corresponding electrochemical cells and to the use of carbon composite materials for production of electrochemical cells.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 20, 2014
    Applicant: BASF SE
    Inventors: Alexander PANCHENKO, Evgueni Klimov, Oliver Gronwald, Klaus Leitner, Peter Przybylski
  • Publication number: 20140017571
    Abstract: Representative embodiments provide a liquid or gel separator utilized to separate and space apart first and second conductors or electrodes of an energy storage device, such as a battery or a supercapacitor. A representative liquid or gel separator comprises a plurality of particles, typically having a size (in any dimension) between about 0.5 to about 50 microns; a first, ionic liquid electrolyte; and a polymer. In another representative embodiment, the plurality of particles comprise diatoms, diatomaceous frustules, and/or diatomaceous fragments or remains. Another representative embodiment further comprises a second electrolyte different from the first electrolyte; the plurality of particles are comprised of silicate glass; the first and second electrolytes comprise zinc tetrafluoroborate salt in 1-ethyl-3-methylimidalzolium tetrafluoroborate ionic liquid; and the polymer comprises polyvinyl alcohol (“PVA”) or polyvinylidene fluoride (“PVFD”).
    Type: Application
    Filed: August 9, 2012
    Publication date: January 16, 2014
    Applicant: NTHDEGREE TECHNOLOGIES WORLDWIDE INC.
    Inventors: Vera Nicholaevna Lockett, Mark D. Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
  • Patent number: 8613873
    Abstract: A battery capable of improving the cycle characteristics and the swollenness characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has a coat on an anode active material layer provided on an anode current collector. The coat contains a metal salt. The metal salt has a hydroxyl group and at least one of a sulfonic acid group and a carboxylic acid group. Thereby, lithium ions are easily inserted in the anode and extracted from the anode, and decomposition of the electrolytic solution is prevented.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: December 24, 2013
    Assignee: Sony Corporation
    Inventors: Hiroyuki Yamaguchi, Masayuki Ihara, Hideki Nakai, Atsumichi Kawashima, Tadahiko Kubota
  • Publication number: 20130323571
    Abstract: The present invention provides a lithium-ion electrochemical cell comprising an ionic liquid electrolyte solution and a positive electrode having a carbon sheet current collector.
    Type: Application
    Filed: May 13, 2013
    Publication date: December 5, 2013
    Inventors: Hongli Dai, Michael Erickson, Marc Juzkow
  • Publication number: 20130323608
    Abstract: The present invention provides an electrolyte solution including an ionic liquid having the structure of formula (I): wherein R1 is C1-C6alkyl, R2 is C2-C7alkyl, A? is defined in the specification. The electrolyte solution of the present invention has high conductivity and high thermal stability.
    Type: Application
    Filed: February 26, 2013
    Publication date: December 5, 2013
    Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)
    Inventor: China Petrochemical Development Corporation, Taipei (Taiwan)
  • Publication number: 20130280618
    Abstract: The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.
    Type: Application
    Filed: September 26, 2011
    Publication date: October 24, 2013
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kenichi Shinmei, Yoshiharu Konno, Masashi Kanoh
  • Patent number: 8524399
    Abstract: Disclosed is a non-aqueous electrolyte including an electrolyte salt and an electrolyte solvent, the non-aqueous electrolyte further including a compound containing both a carboxy group and a (meth)acrylic group, and a secondary battery including the non-aqueous electrolyte. The use of the compound containing both the carboxy group and the (meth)acrylic group as a component for an electrolyte significantly reduces the increase of battery thickness at high temperature storage.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: September 3, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Soojin Kim, Jeong-Ju Cho
  • Patent number: 8501355
    Abstract: Provided are an electrolyte which may prevent the degradation of the battery performance by including a functional group which can react with a side reaction site which is responsible for decomposition of negative electrode material components and a functional group which can react with moisture which is responsible for decomposition of positive electrode material components in an electrolyte of the battery to ensure the stability of the battery at high temperatures, and a secondary battery manufactured by adding the same. The present invention may employ a compound including a functional group which can react with a side reaction site of a negative electrode material and a functional group which can react with moisture to maximize the improvement of the storage performance of a secondary battery at high temperatures.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: August 6, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Yo Jin Kim, Han Ho Lee, Seung Don Choi
  • Patent number: 8501356
    Abstract: An additive typified by tris(trimethylsilyl)phosphate, tris(trimethylsilyl)borate, and tetrakis(trimethylsiloxy)titanium (Chem. 3) are applied to a nonaqueous electrolyte containing a chain carbonate and/or a chain carboxylate as a main solvent (contained at a ratio of 70 volume % or higher). It is preferable that 0?a<30 is satisfied, in which “a” denotes the volume of a cyclic carbonate among carbonates having no carbon-carbon double bond in the entire volume, defined as 100, of the carbonates having no carbon-carbon double bond and chain carboxylates in a nonaqueous solvent contained in the nonaqueous electrolyte (0<a<30 in the case no chain carboxylate is contained).
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: August 6, 2013
    Assignee: GS Yuasa International Ltd.
    Inventors: Kazusa Ohkubo, Koji Sukino, Shigeki Yamate, Suguru Kozono, Yoshihiro Katayama, Toshiyuki Nukuda
  • Publication number: 20130164634
    Abstract: A mixture useful as an electrolyte in lithium ion batteries and use thereof are provided. Lithium ion batteries with good performance, especially good cyclability after prolonged operation are obtained. The mixture contains an aprotic organic solvent, a cyclic compound containing C1-C10-alkyl, C3-C10-cycloalkyl, benzyl or C6-C14-aryl, water, optionally an additive and a lithium salt.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 27, 2013
    Inventors: Simon SCHROEDLE, Jordan Keith Lampert, Martin Schulz-Dobrick, Itamar Michael Malkowsky, Arnd Garsuch, Klaus Leitner, Olaf Kutzki
  • Patent number: 8455143
    Abstract: A non-aqueous electrolyte solution for a lithium ion secondary battery includes a lithium salt and an organic solvent. The organic solvent includes a carbonate compound, a linear ester compound and a linear ester decomposition inhibitor. This non-aqueous electrolyte solution restrains swelling while improving low temperature charging/discharging characteristics of the secondary battery in comparison to a conventional electrolyte since it contains the linear ester compound and the linear ester decomposition inhibitor. The non-aqueous electrolyte solution may be used in making a lithium ion secondary battery.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 4, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Ho-Chun Lee, Jong-Ho Jeon, Jeong-Ju Cho
  • Publication number: 20130130126
    Abstract: Electrochemical cell for high-voltage operation and electrode coatings for the same. The electrochemical cell and electrode coatings of the present invention can preferably withstand charging voltages to at least 5-Volts. In one embodiment, the electrochemical cell can include an anode, a cathode, a separator, and an electrolyte, wherein the anode, the cathode, and the separator are operatively associated with the electrolyte. The cathode can include, for example, a mixture of a metal oxide, an elongated carbon structure, and a conductive material. The metal oxide can be, for example, a lithium-nickel-manganese oxide, such as LiNi0.5Mn1.5O4. The elongated carbon structure can be, for example, a carbon nanotube, a carbon fibril, or a carbon fiber. The conductive material can be, for example, a conductive carbon. The metal oxide, the elongated carbon structure, and the conductive material can be bound together, for example, with a binder.
    Type: Application
    Filed: October 12, 2012
    Publication date: May 23, 2013
    Applicant: GINER, INC.
    Inventor: Giner, Inc.
  • Publication number: 20130122378
    Abstract: An electrolyte solution for a rechargeable lithium battery that includes a lithium salt; a non-aqueous organic solvent including ethyl acetate; and an additive including a sultone-based compound, wherein the sultone-based compound is included in an amount ranging from 0.1 to 5 wt % based on the total amount of the electrolyte solution is provided.
    Type: Application
    Filed: August 17, 2012
    Publication date: May 16, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Ho-Seok Yang, Dai-In Park, Jin-Hyunk Lim