Oxygen Is The Only Ring Hetero Atom In The Hetero Ring (e.g., Dioxolane, Gamma Butyrolactone, Etc.) Patents (Class 429/337)
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Patent number: 12199276Abstract: Provided are a secondary battery, a battery module, a battery pack, and an electrical apparatus. The secondary battery comprises a positive electrode plate and a non-aqueous electrolyte solution, where the positive electrode plate comprises a positive electrode active material having a core-shell structure and comprising an inner core and a shell cladding the inner core, where the inner core has a chemical formula of Li1+xMn1?yAyP1?zRzO4, a first cladding layer comprises crystalline pyrophosphates LiaMP2O7 and/or Mb(P2O7)c, a second cladding layer comprises a crystalline phosphate XPO4, and a third cladding layer is carbon; and the non-aqueous electrolyte solution comprises a first additive comprising one or more compounds in the group consisting of a compound represented by formula 1, a compound represented by formula 2, and a compound represented by formula 3, thereby improving rate performance, cycling performance, and high-temperature stability of a lithium manganese phosphate secondary battery.Type: GrantFiled: June 7, 2024Date of Patent: January 14, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Peipei Chen, Limei Zhang, Yao Jiang, Jiao Liu
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Patent number: 12074283Abstract: A solid polymer electrolyte including a cross-linked ionic liquid (IL) matrix having functional group capable of interacting with lithium ions; polymerizable PEM formulations containing polymerizable ionic liquid (IL) materials (monomers) having functional group capable of interacting with lithium ions and a reactive polymerizable functional group capable of crosslinking; electrolytes prepared from a polymerizable formulation including a lithium conducting salt, a plasticizer, a cross-linker, and a polymerizable IL compound that contains at least one functional group capable of interacting with lithium ions and a reactive polymerizable functional group capable of crosslinking; electrochemical cells containing the electrolytes incorporating these solid PEMs containing the polymerized ionic liquid (IL) materials; and methods thereof are disclosed.Type: GrantFiled: May 5, 2020Date of Patent: August 27, 2024Assignee: NOHMS Technologies, Inc.Inventors: Surya Moganty, Rutvik Vaidya, John Sinicropi, Yue Wu, Gabriel Torres
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Patent number: 12057600Abstract: Provided herein are electrochemical cells having a solid separator, a lithium metal anode, and a positive electrode catholyte wherein the electrochemical cell includes a nitrile, dinitrile, or organic sulfur-including solvent and a lithium salt dissolved therein. Also set forth are methods of making and using these electrochemical cells.Type: GrantFiled: April 21, 2022Date of Patent: August 6, 2024Assignee: QuantumScape Battery, Inc.Inventors: Greg Roberts, Zhebo Chen, Will Hudson, Rainer Fasching, Tiffany Ho, Timothy P. Holme, Mohit Singh, Aram Yang
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Patent number: 11532808Abstract: Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one implementation, a method of fabricating a pre-lithiated electrode is provided. The method comprises disposing a lithium metal target comprising a layer of lithium metal adjacent to a surface of a prefabricated electrode. The method further comprises heating at least one of the lithium metal target and the prefabricated electrode to a temperature less than or equal to 180 degrees Celsius. The method further comprises compressing the lithium metal target and the prefabricated electrode together while applying ultrasound to the lithium metal target to transfer a quantity of lithium from the lithium metal target to the prefabricated electrode.Type: GrantFiled: June 13, 2019Date of Patent: December 20, 2022Assignee: APPLIED MATERIALS, INC.Inventor: Dmitri A. Brevnov
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Patent number: 11527757Abstract: A positive electrode used in a secondary cell that is an example of the present embodiment is provided with a positive electrode collector, an intermediate layer formed on the positive electrode collector, and a positive electrode mixture layer formed on the intermediate layer. The positive electrode mixture layer has a thermally expandable material and a positive electrode active material. The thermally expandable material content of the positive electrode mixture layer is at least 0.1% by mass and less than 5% by mass. The intermediate layer has an insulating inorganic material and a conductive agent. The insulating inorganic material content of the intermediate layer is 80-99% by mass.Type: GrantFiled: September 24, 2019Date of Patent: December 13, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takahito Nakayama, Tomoki Shiozaki, Hideharu Takezawa, Daisuke Furusawa, Yuji Oura, Takahiro Takahashi
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Patent number: 11508532Abstract: Embodiments described herein relate to compositions, devices, and methods for storage of energy (e.g., electrical energy). In some cases, devices including polyacetylene-containing polymers are provided.Type: GrantFiled: August 12, 2020Date of Patent: November 22, 2022Assignee: PolyJoule, Inc.Inventors: Ian W. Hunter, Timothy Manning Swager, Zhengguo Zhu
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Patent number: 11322769Abstract: In a flow battery according to one aspect of the present disclosure, a first liquid does not include an undesired compound. The flow battery satisfies requirement (i), (ii), (iii) or (iv). (i) An anode active material 14 includes graphite, and the first liquid has an equilibrium potential of not more than 0.15 V vs. Li/Li+. (ii) An anode active material includes aluminum, and the first liquid has an equilibrium potential of not more than 0.18 V vs. Li/Li+. (iii) An anode active material includes tin, and the first liquid has an equilibrium potential of not more than 0.25 V vs. Li/Li+. (iv) An anode active material includes silicon, and the first liquid has an equilibrium potential of not more than 0.25 V vs. Li/Li+.Type: GrantFiled: July 16, 2020Date of Patent: May 3, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shuji Ito, Masahisa Fujimoto, Honami Sako, Sho Shibata
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Patent number: 11145910Abstract: Rechargeable, non-aqueous lithium batteries which contain, as active anode material, either lithium metal or a lithium alloy, an active cathode material with a redox potential in the range of between 1.5 and 3.4 V vs Li/Li+ and lithium rhodanide (LiSCN) as electrolyte component. One or more related methods for providing overcharge protection are also described herein.Type: GrantFiled: October 18, 2019Date of Patent: October 12, 2021Assignee: Albemarle Germany GmbHInventors: Ulrich Wietelmann, Ute Emmel, Irina Wolf, Margret Wohlfahrt-Mehrens, Serife Kaymaksiz Tost, Florian Wilhelm, Mario Wachtler
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Patent number: 11043336Abstract: A process for manufacturing an electrode utilizing electron beam (EB) or actinic radiation to cure the electrode binder is provided. A process is also disclosed for mixing specific actinic or EB radiation curable polymer precursors with electrode solid particles to form an aqueous mixture, application of the mixture to an electrode current collector, followed by the application of actinic or EB radiation to the current collector for curing the polymer, thereby binding the electrode binder to the current collector. Lithium ion batteries, electric double layer capacitors, and components produced therefrom are also provided.Type: GrantFiled: September 13, 2018Date of Patent: June 22, 2021Assignee: Miltec CorporationInventors: Gary Voelker, John Arnold, Joseph Fasolo
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Patent number: 10944125Abstract: A production method for a lithium-ion secondary battery includes configuring an electrode group provided with a positive electrode and a negative electrode, storing the electrode group, electrolytic solution, and a third electrode in a housing, charging the negative electrode by performing charging between the third electrode and the negative electrode inside the housing, and discharging the charged negative electrode by performing discharging between the third electrode and the negative electrode, thereby producing the lithium-ion secondary battery.Type: GrantFiled: September 19, 2017Date of Patent: March 9, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Katsuhiko Nagaya, Shinobu Okayama, Kyoko Kikuchi
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Patent number: 10847279Abstract: An object of the present invention is to provide a novel sulfur-based positive-electrode active material which can largely improve cyclability of a lithium-ion secondary battery, a positive electrode comprising the positive-electrode active material and a lithium-ion secondary battery comprising the positive electrode. The sulfur-based positive-electrode active material is one comprising: a carbon skeleton derived from a polymer composed of a monomer unit having at least one hetero atom-containing moiety, and sulfur incorporated into the carbon skeleton as the carbon skeleton is formed from the polymer by heat treatment.Type: GrantFiled: March 11, 2019Date of Patent: November 24, 2020Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Tatsuya Kubo, Toshikatsu Kojima, Tetsuo Sakai, Akihiro Yamano, Masahiro Yanagida
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Patent number: 10763545Abstract: An electrolyte for a secondary battery, the electrolyte including an ionic liquid polymer including a repeating unit represented by Formula 1: wherein, in Formula 1, CY, R1, R2, R3, X1?, n, and m are the same as described in the specification.Type: GrantFiled: February 29, 2016Date of Patent: September 1, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Hongsoo Choi, Tomonobu Mizumo, Yonggun Lee, Wonseok Chang, Toshinori Sugimoto, Myungjin Lee
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Patent number: 10727534Abstract: An object of the present invention is to provide a highly practical electrolytic solution which has a high oxidative decomposition potential, enables the dissolution and precipitation of magnesium to stably repeatedly proceed, and is easy to prepare. The present invention relates to an electrolytic solution for a magnesium battery comprising: a compound represented by the general formula (I), a Lewis acid or a compound represented by the general formula (A), and a solvent; and to the compound represented by the general formula (I).Type: GrantFiled: March 31, 2017Date of Patent: July 28, 2020Assignee: FUJIFILM Wako Pure Chemical CorporationInventors: Kazuhiko Sato, Goro Mori, Hiromi Watahiki, Takahiro Kiyosu, Kuniaki Okamoto
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Patent number: 10505194Abstract: An object of the present invention is to provide a novel positive electrode which is produced using a rubber being an inexpensive material and is capable of enhancing a charge and discharge capacity and cyclability of a lithium-ion secondary battery, and the lithium-ion secondary battery composed of the positive electrode. In the lithium-ion secondary battery, the positive electrode comprises a current collector and an electrode layer formed on a surface of the current collector, the electrode layer comprises an active material, an electrically-conductive additive and a thermosetting resin binder subjected to thermosetting, and the active material comprises a sulfur-based positive-electrode active material prepared by heat-treating a starting material comprising a rubber and sulfur under a non-oxidizing atmosphere.Type: GrantFiled: February 28, 2019Date of Patent: December 10, 2019Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Tatsuya Kubo, Akihiro Yamano, Naoto Yamashita, Toshikatsu Kojima, Masahiro Yanagida
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Patent number: 10316006Abstract: An ionic liquid compound includes an azepanium-functionalized cation. An electrochemical cell electrolyte for an electrical energy storage device includes the ionic liquid compound, aprotic organic solvent, alkali metal salt and an additive.Type: GrantFiled: April 21, 2017Date of Patent: June 11, 2019Assignee: NOHMS Technologies, Inc.Inventors: Surya Moganty, Luigi Abbate, Gabriel Torres, Kevin Brown, John Sinicropi
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Patent number: 10128490Abstract: Example embodiments relate to an anode layer of a lithium secondary battery. The anode layer includes a three-dimensional carbon structure and a plurality of silicon particles. The three-dimensional carbon structure includes a plurality of cavities without a binder, and the plurality of silicon particles are disposed in the plurality of cavities.Type: GrantFiled: April 18, 2016Date of Patent: November 13, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Dongwook Lee, Hyeonjin Shin, Seongjun Park
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Patent number: 10044067Abstract: A secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution. The anode contains a carbon material and silicon oxide, and a weight ratio (%) of the silicon oxide with respect to a total of the carbon material and the silicon oxide is within a range of 0.01% to 20% both inclusive. The nonaqueous electrolytic solution contains an unsaturated cyclic carbonate ester.Type: GrantFiled: March 5, 2015Date of Patent: August 7, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masayuki Iwama, Shinji Hatake, Masayuki Ihara
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Patent number: 10044031Abstract: A battery is described. The battery is composed of a graphene oxide-sulfur (GO-S) nanocomposite cathode, a separator, an anode, and an electrolyte.Type: GrantFiled: November 17, 2017Date of Patent: August 7, 2018Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Yuegang Zhang, Elton J. Cairns, Liwen Ji, Mumin Rao
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Patent number: 10010649Abstract: A method of culturing human or mammalian mesenchymal stem cells (MSC) or osteoblastic cells to form corresponding cell aggregates evenly distributed in the culturing medium having a reduced content of cells with fibroblast morphology comprises contacting MSC or OC with a water-soluble cellulose derivative over a period of from 1 day to one or two weeks. Also disclosed are a corresponding aggregates, a culture medium and a pharmaceutical composition, and uses of the aggregate, the culturing medium and the composition.Type: GrantFiled: May 2, 2008Date of Patent: July 3, 2018Assignee: Ascendia ABInventor: Christer Busch
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Patent number: 9882245Abstract: Alkoxide magnesium halide compounds having the formula: RO—Mg—X??(1) wherein R is a saturated or unsaturated hydrocarbon group that is unsubstituted, or alternatively, substituted with one or more heteroatom linkers and/or one or more heteroatom-containing groups comprising at least one heteroatom selected from fluorine, nitrogen, oxygen, sulfur, and silicon; and X is a halide atom. Also described are electrolyte compositions containing a compound of Formula (1) in a suitable polar aprotic or ionic solvent, as well as magnesium batteries in which such electrolytes are incorporated.Type: GrantFiled: August 23, 2013Date of Patent: January 30, 2018Assignee: UT-BATTELLE, LLCInventors: Sheng Dai, Xiao-Guang Sun, Chen Liao, Bingkun Guo
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Patent number: 9882208Abstract: A particulate active material for a power storage device positive electrode having a higher energy density is provided, which includes particles of an electrically conductive polymer and a conductive agent, wherein the electrically conductive polymer particles each have a surface coated with the conductive agent.Type: GrantFiled: November 12, 2013Date of Patent: January 30, 2018Assignee: NITTO DENKO CORPORATIONInventors: Yohei Ando, Yoshihiro Uetani
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Patent number: 9865900Abstract: 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: GrantFiled: January 12, 2015Date of Patent: January 9, 2018Assignee: Battelle Memorial InstituteInventors: Wu Xu, Hongfa Xiang, Jiguang Zhang, Ruiguo Cao
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Patent number: 9698447Abstract: This invention relates to electrolytic solutions and secondary batteries containing same. The electrolytic solutions contain lithium bis (fluorosulfonyl) imide and asymmetric borates, asymmetric phosphates and mixtures thereof.Type: GrantFiled: October 21, 2014Date of Patent: July 4, 2017Assignee: BASF CorporationInventor: Wentao Li
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Patent number: 9692084Abstract: 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: GrantFiled: June 7, 2013Date of Patent: June 27, 2017Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SHANGHAI JIAO TONG UNIVERSITYInventors: Jun Yang, Feifei Wang, Yongsheng Guo, Yanna Nuli
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Patent number: 9673452Abstract: The loss of sulfur cathode material as a result of polysulfide dissolution causes significant capacity fading in rechargeable lithium/sulfur cells. Embodiments of the invention use a chemical approach to immobilize sulfur and lithium polysulfides via the reactive functional groups on graphene oxide. This approach obtains a uniform and thin (˜tens of nanometers) sulfur coating on graphene oxide sheets by a chemical reaction-deposition strategy and a subsequent low temperature thermal treatment process. Strong interaction between graphene oxide and sulfur or polysulfides demonstrate lithium/sulfur cells with a high reversible capacity of 950-1400 mAh g?1, and stable cycling for more than 50 deep cycles at 0.1 C.Type: GrantFiled: September 28, 2012Date of Patent: June 6, 2017Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Yuegang Zhang, Elton J. Cairns, Liwen Ji, Mumin Rao
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Patent number: 9570777Abstract: A lithium secondary battery of the present invention includes: a positive electrode; a negative electrode; a nonaqueous electrolytic solution; and a separator. The positive active material contains a lithium-containing composite oxide containing nickel. A molar ratio of a total nickel amount with respect to a total lithium amount contained in the entire positive active material is 0.05 to 1.0. The nonaqueous electrolytic solution contains 0.5 to 5.0 mass % of a phosphonoacetate-based compound represented by the following General Formula (1). In the Formula, R1, R2, and R3 independently represent an alkyl group, an alkenyl group, or an alkynyl group having 1 to 12 carbon atoms, which may be substituted by a halogen atom, and “n” represents an integer of 0 to 6.Type: GrantFiled: September 28, 2012Date of Patent: February 14, 2017Assignees: HITACHI MAXELL, LTD., UBE INDUSTRIES, LTD.Inventors: Haruki Kamizori, Yusuke Nakamura, Itaru Gosho, Masayuki Yamada, Koji Abe, Kei Shimamoto
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Patent number: 9318772Abstract: A lithium-ion accumulator includes an anode, a cathode, a separator, and an electrolyte which is in connection with the anode and the cathode, which electrolyte includes at least one lithium salt as electrolyte salt and a solvent solubilizing the at least one lithium salt. The at least one lithium salt reacts with water to form an hydrogenous acid, and the electrolyte includes at least one additive, which reacts with the hydrogenous acid to form a compound acting as electrolyte salt.Type: GrantFiled: May 16, 2008Date of Patent: April 19, 2016Assignee: ROBERT BOSCH GMBHInventors: Bernd Schumann, Martin Holger Koenigsmann
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Patent number: 9257699Abstract: A composite material includes a porous organic polymer and an electrochemically active material, wherein the porous organic polymer contains a plurality of pores having a diameter of from about 0.1 nm to about 100 nm, and the electrochemically active material is disposed within the pores.Type: GrantFiled: March 7, 2013Date of Patent: February 9, 2016Assignee: UCHICAGO ARGONNE, LLCInventors: Zhengcheng Zhang, Wei Weng, Shengwen Yuan, Khalil Amine
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Patent number: 9184436Abstract: Electrodeposition and energy storage devices utilizing an electrolyte having a surface-smoothing additive can result in self-healing, instead of self-amplification, of initial protuberant tips that give rise to roughness and/or dendrite formation on the substrate and anode surface. For electrodeposition of a first metal (M1) on a substrate or anode from one or more cations of M1 in an electrolyte solution, the electrolyte solution is characterized by a surface-smoothing additive containing cations of a second metal (M2), wherein cations of M2 have an effective electrochemical reduction potential in the solution lower than that of the cations of M1.Type: GrantFiled: June 13, 2012Date of Patent: November 10, 2015Assignee: Battelle Memorial InstituteInventors: Wu Xu, Jiguang Zhang, Gordon L. Graff, Xilin Chen, Fei Ding
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Patent number: 9184466Abstract: An electrolyte for a rechargeable lithium battery includes a first lithium salt; a second lithium salt including a compound represented by Chemical Formula 1, Chemical Formula 3-1 or 3-2, or combinations thereof; a non-aqueous organic solvent; and an additive including a compound represented by Chemical Formula 9.Type: GrantFiled: January 31, 2012Date of Patent: November 10, 2015Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbHInventor: Seung-Mo Kim
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Patent number: 9059463Abstract: Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1. LixV2-yMyO5??[Chemical Formula 1] In Chemical Formula 1, M is one or more selected from the group consisting of aluminum (Al), magnesium (Mg), zirconium (Zr), titanium (Ti), strontium (Sr), copper (Cu), cobalt (Co), nickel (Ni), manganese (Mn), and a combination thereof, 1<x<4, and 0?y?0.5.Type: GrantFiled: April 8, 2011Date of Patent: June 16, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Sumihito Ishida, Jung-Woo An, Kyeu-Yoon Sheem
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Publication number: 20150140450Abstract: 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: ApplicationFiled: April 17, 2014Publication date: May 21, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Basab ROY, Dong-young KIM, Youn-hee LIM, Seok-soo LEE
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Publication number: 20150118578Abstract: 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: ApplicationFiled: December 31, 2013Publication date: April 30, 2015Applicant: Hyundai Motor CompanyInventors: Won Keun Kim, Yoon Ji Lee, Jun Ki Rhee
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Publication number: 20150118579Abstract: 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: ApplicationFiled: May 29, 2013Publication date: April 30, 2015Inventors: Yuki Kondo, Keita Nakahara, Satoshi Muramoto, Takayoshi Morinaka
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Publication number: 20150118580Abstract: 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: ApplicationFiled: June 10, 2013Publication date: April 30, 2015Inventors: Yuki Kondo, Makoto Kubo, Takayoshi Morinaka, Kenta Yamamoto
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Patent number: 9012072Abstract: 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: GrantFiled: September 5, 2007Date of Patent: April 21, 2015Assignee: Bar-Ilan UniversityInventors: Doron Aurbach, Elena Levi, Ariel Mitelman, Eli Lancry, Oren Mizrahi, Yosef Gofer, Orit Chasid, Gurukar Shivappa Suresh
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Patent number: 9005823Abstract: 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: GrantFiled: September 22, 2011Date of Patent: April 14, 2015Assignees: Samsung SDI Co., Ltd., Soulbrain Co., Ltd.Inventors: Duck-Chul Hwang, Eun-Gi Shim, Jong-Hyun Lee, Jong-Su Kim, Young-Min Kim
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Patent number: 9005824Abstract: There is provided a lithium secondary battery including a positive electrode, a negative electrode, a nonaqueous electrolyte liquid and a separator, that is subjected to a constant-current constant-voltage charge with a stop voltage of more than 4.25V before its use. The lithium secondary battery uses the nonaqueous electrolyte liquid having contained 0.1 to 5 mass % of a phosphonoacetate compound represented by the following general formula (1), and having contained 0.1 to 5 mass % of 1,3-dioxane. In General Formula (1), each of R1, R2 and R3 is independently hydrocarbon groups having a carbon number of 1 to 12 with or without substituent of a halogen atom, and n is 0 to 6 integers.Type: GrantFiled: June 21, 2013Date of Patent: April 14, 2015Assignee: Hitachi Maxell, Ltd.Inventors: Yuta Kawamoto, Haruki Kamizori, Yusuke Nakamura, Masayuki Yamada, Itaru Gosho
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Publication number: 20150084604Abstract: 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: ApplicationFiled: September 26, 2013Publication date: March 26, 2015Applicant: EAGLEPICHER TECHNOLOGIES, LLCInventors: Ramanathan THILLAIYAN, Wujun FU, Mario DESTEPHEN, Greg MILLER, Ernest NDZEBET, Umamaheswari JANAKIRAMAN
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Publication number: 20150084603Abstract: 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: ApplicationFiled: September 26, 2013Publication date: March 26, 2015Applicant: EAGLEPICHER TECHNOLOGIES, LLCInventors: Ramanathan THILLAIYAN, Wujun FU, Mario DESTEPHEN, Greg MILLER
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Publication number: 20150086879Abstract: 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: ApplicationFiled: December 2, 2014Publication date: March 26, 2015Inventors: Hiroyuki Yamaguchi, Hiroshi Horiuchi, Kenichi Kawase, Tadahiko Kubota, Hideki Nakai, Takakazu Hirose
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Patent number: 8986896Abstract: The present invention provides an electrolyte solution including: a solvent composed primarily of a BF3-cyclic ether complex; and a supporting electrolyte. For example, preferred is an electrolyte solution in which the cyclic ether is one or two or more selected from optionally substituted tetrahydrofuran and optionally substituted tetrahydropyran.Type: GrantFiled: September 10, 2009Date of Patent: March 24, 2015Assignees: Toyota Jidosha Kabushiki Kaisha, National University Corporation Shizuoka UniversityInventors: Tatsuo Fujinami, Tatsuya Koga
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Publication number: 20150079483Abstract: 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: ApplicationFiled: September 16, 2013Publication date: March 19, 2015Applicant: U.S. Government as represented by the Secretary of the ArmyInventors: Arthur von Wald Cresce, Kang Conrad Xu
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Publication number: 20150079484Abstract: 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: ApplicationFiled: September 17, 2013Publication date: March 19, 2015Applicant: U.S. Government as represented by the Secretary of the ArmyInventors: Arthur von Wald Cresce, Kang Conrad Xu
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Publication number: 20150050561Abstract: 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: ApplicationFiled: August 16, 2013Publication date: February 19, 2015Applicant: UChicago Argonne, LLCInventors: Zhengcheng Zhang, Libo Hu, Khalil Amine, Christopher S. Johnson
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Publication number: 20150050560Abstract: 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: ApplicationFiled: January 10, 2013Publication date: February 19, 2015Inventors: Neeraj Gupta, Karthikeyan Sivasubramanian, Monjit Phukan
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Publication number: 20150050563Abstract: 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: ApplicationFiled: March 25, 2013Publication date: February 19, 2015Applicant: THE UNIVERSITY OF TOKYOInventors: Yuki Yamada, Atsuo Yamada, Makoto Yaegashi, Haosheu Zhou, Fujun Li
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Publication number: 20150044577Abstract: 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: ApplicationFiled: August 5, 2014Publication date: February 12, 2015Inventors: Norikazu ADACHI, Kenichirou KAMI, Sergiy M. MALOVANYY, Leonid M. USHKALOV
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Publication number: 20150044573Abstract: 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: ApplicationFiled: February 27, 2013Publication date: February 12, 2015Inventors: 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
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Patent number: 8951676Abstract: An electrolyte for use in electrochemical cells is provided. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg/Mg+2. The use of the electrolyte promotes the electrochemical deposition and dissolution of Mg without the use of any Grignard reagents, other organometallic materials, tetraphenyl borate, or tetrachloroaluminate derived anions. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described.Type: GrantFiled: March 14, 2013Date of Patent: February 10, 2015Assignee: Pellion Technologies, Inc.Inventors: Robert Ellis Doe, George Hamilton Lane, Robert E. Jilek, Jaehee Hwang