The Hetero Ring Is A Cyclic Carbonate Patents (Class 429/330)
  • Patent number: 10505225
    Abstract: An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt, an organic solvent, and an organic fluorinated ether compound represented by Formula 1: R1—O—CF2—CHF—R2??Formula 1 wherein, in Formula 1, R1 is a C3-C10 alkyl group or a C3-C10 cycloalkyl group, and R2 is fluorine, a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 fluorinated alkyl group, or a C3-C10 fluorinated cycloalkyl group.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: December 10, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jinah Seo, Dongyoung Kim, Hosang Park, Yoonsok Kang, Jungjoo Cho
  • Patent number: 10497978
    Abstract: A secondary battery exhibiting high charge and discharge rate characteristics can be provided, by making the secondary battery have a cathode including a nitroxyl compound taking a nitroxyl cation substructure represented by the following formula (1) in an oxidized state and a nitroxyl radical substructure represented by the following formula (2) in a reduced state, an anode including an active material capable of reversibly intercalating and deintercalating a lithium ion, and an electrolyte solution including a lithium salt and an aprotic organic solvent, and employing Li[(FSO2)2N] as the lithium salt:
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: December 3, 2019
    Assignee: NEC Corporation
    Inventors: Terumasa Shimoyama, Takanori Nishi, Shigeyuki Iwasa, Katsumi Maeda
  • Patent number: 10468679
    Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery including a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode includes a positive electrode active material layer including a lithium nickel cobalt manganese composite oxide. The negative electrode includes a negative electrode active material layer including a spinel type lithium titanate. The nonaqueous electrolyte has an ion conductivity of not less than 7 mS/cm and not more than 10 mS/cm at 25° C. A capacity ratio p/n is within a range of not less than 1.4 and not more than 1.8. A thickness ratio Tp/Tn is within a range of not less than 1.05 and less than 1.3. A ratio Pp/Pn is within a range of not less than 0.55 and less than 0.8.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: November 5, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Dai Yamamoto, Yuki Watanabe, Tetsuro Kano, Nobuyasu Negishi, Hidesato Saruwatari
  • Patent number: 10347942
    Abstract: An electrolyte for a lithium-ion battery which includes lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. A lithium-ion battery which includes an electrolyte containing lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. A motor vehicle which uses a lithium-ion battery having electrolytes containing lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. The electrolyte can increase the service life of the lithium-ion battery.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: July 9, 2019
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Ralf Wagner, Dennis Gallus, Benjamin Streipert, Martin Winter, Johannes Kasnatscheew, Marius Amereller
  • Patent number: 10290900
    Abstract: A non-aqueous electrolytic solution capable of suppressing reduction in capacity, cycle characteristics, and/or rate characteristics even when used under high voltage conditions after being stored under high temperature conditions (e.g., 60° C. or higher); and a lithium ion secondary battery using these non-aqueous electrolytic solutions are provided. The non-aqueous electrolytic solution of the present invention comprise an anion represented by the following general formula (1), a lithium cation, and a compound represented by the following general formula (2A) and/or an acid anhydride having an aromatic ring and at least one structure represented by —C(?O)—O—C(?O)— in a molecule, wherein a concentration of the anion represented by the general formula (1) is 0.1 mol/L or more.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 14, 2019
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Hiroyuki Mizuno, Takayuki Kobatake, Hiromoto Katsuyama, Shin-ya Shibata, Takeo Kawase, Kazuhisa Hirata
  • Patent number: 10211461
    Abstract: Provided is a binder composition for secondary battery electrode-use that has high binding capacity, and that is capable of suppressing corrosion of a current collector and an increase in internal resistance when used in production of a secondary battery. The binder composition for secondary battery electrode-use contains a copolymer and a dispersion medium. The copolymer includes at least 5 mass % and no greater than 80 mass % of a constitutional unit represented by formula (I) and at least 5 mass % and no greater than 90 mass % of a constitutional unit represented by formula (II).
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: February 19, 2019
    Assignee: ZEON CORPORATION
    Inventors: Ken Oh, Keiichiro Tanaka, Mayumi Fukumine
  • Patent number: 10189866
    Abstract: Provided are a lithium secondary battery having improved initial capacity and excellent cycle property, an electrolyte solution for the lithium secondary battery, and an additive for the electrolyte solution for the lithium secondary battery. The lithium secondary battery includes positive and negative electrodes both having a lithium-ion intercalation/de-intercalation ability, and a non-aqueous electrolyte solution contacted with the positive and negative electrodes. The non-aqueous electrolyte solution contains lithium hexafluorophosphate and a boroxine compound represented by (RO)3(BO)3 liquefying at 25° C. R(s) each independently represent an organic group of a linear chain alkyl group having 3 or more carbon atoms. Herein, the chain alkyl group may have a branch, and when the branch is included, the number of carbon atoms of the chain alkyl group constructing a linear portion thereof is 3 or more.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 29, 2019
    Assignee: HITACHI, LTD.
    Inventors: Hiroshi Haruna, Shin Takahashi, Toshio Abe, Yasutaka Tanaka
  • Patent number: 10128541
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: November 13, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toru Itakura, Kyosuke Ito, Jun Ishikawa, Rie Yokoi
  • Patent number: 10090560
    Abstract: The present invention relates to a lithium secondary battery comprising a non-aqueous liquid electrolyte comprising lithium bis(fluorosulfonyl)imide (LiFSI) and a fluorinated ether compound as additives, a positive electrode comprising a lithium-nickel-manganese-cobalt-based oxide as a positive electrode active material, a negative electrode and a separator. According to a non-aqueous liquid electrolyte for a lithium secondary battery of the present invention, a rigid SEI layer may be formed at a negative electrode during the initial charging of the lithium secondary battery comprising the same, the output properties of the lithium secondary battery may be improved, and the output properties after storing at high temperature and capacity properties may be increased.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: October 2, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Shul Kee Kim, Chul Haeng Lee, Young Min Lim, Gwang Yeon Kim
  • Patent number: 10038220
    Abstract: A lithium ion electrochemical cell having an electrolyte with reduced carbonate content is described. The reduced carbonate electrolyte minimizes electrolyte out-gassing when the cell is exposed to temperatures above 100° C. The preferred electrolyte comprises a primary solvent of ?-butyrolactone and a secondary solvent comprising an aliphatic or halogen constituent. A most preferred electrolyte consists essentially of ?-butyrolactone as a primary solvent, fluorotoluene as a secondary solvent, and an electrolyte additive formulation of vinylene carbonate, fluorinated ethylene carbonate, and polyvinyl pyridine-co-styrene. An alkali metal salt is added to the solvent admixture.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: July 31, 2018
    Assignee: Greatbatch Ltd.
    Inventor: Chi-Kyun Park
  • Patent number: 9988495
    Abstract: An oligomer additive is provided. The oligomer additive is obtained by a reaction of a maleimide, a barbituric acid and a dibenzyl trithiocarbonate. A lithium battery including an anode, a cathode, a separator, an electrolyte solution and a package structure is also provided, wherein the cathode includes the oligomer additive.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: June 5, 2018
    Assignees: National Taiwan University of Science and Technology, Industrial Technology Research Institute
    Inventors: Fu-Ming Wang, Bing-Joe Hwang, Chorng-Shyan Chern, Jung-Mu Hsu, Jing-Pin Pan, Chang-Rung Yang
  • Patent number: 9935335
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and more particularly, to a non-aqueous electrolyte solution for a lithium secondary battery including an ionizable lithium salt, an organic solvent, and an additive, wherein the additive includes 1,3-propane sultone, succinic anhydride, tris(trimethylsilyl)borate, and succinonitrile in a weight ratio of 1:0.5:0.5:0.5 to 1:1:1:1, and a total amount of the additive is in a range of 2.5 wt % to 4 wt % based on a total weight of the non-aqueous electrolyte solution for a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: April 3, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Jung Hoon Lee, Chul Haeng Lee, Kyoung Ho Ahn
  • Patent number: 9882217
    Abstract: A negative electrode slurry composition includes a negative active material, a binder, and a dispersant. The dispersant includes a polyacrylic acid (PAA) having a weight average molecular weight (Mw) greater than 10 and less than 10,000. A negative electrode and a lithium battery include the negative electrode slurry composition.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sora Lee, Dukhyoung Yoon, Hyeri Eom
  • Patent number: 9871269
    Abstract: Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same. Definition of Chemical Formula 1 is the same as described in the detailed description.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: January 16, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Min-Young Lee, Ho-Seok Yang, Yun-Hee Kim, Young Sam Park, Jin-Hyeok Lim, Hee-Yeon Hwang, Hyun-Woo Kim, Se-Jeong Park
  • Patent number: 9680154
    Abstract: A battery, including a cathode, an anode, an electrolyte; the cathode including a cathode active material capable of reversibly intercalating-deintercalating ions; the anode including an anode current collector that does not participate in the electrochemical reaction; the electrolyte including a solvent capable of dissolving solute, the solute being ionized to at least an active ions that can be reduced to a metallic state during a charge cycle and be oxidized from the metallic state to the dissolved ion state during a discharge cycle and/or an intercalation-deintercalation ions that can deintercalate from the cathode active material during the charge cycle and intercalate into the cathode active material during the discharge cycle; the anode further comprising an anode active material formed on the anode current collector capable of being oxidized and dissolved to active ion state during the discharge cycle.
    Type: Grant
    Filed: June 3, 2012
    Date of Patent: June 13, 2017
    Assignees: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Pu Chen, Yang Liu
  • Patent number: 9666906
    Abstract: The present application discloses a high voltage electrolyte including an electrolyte solvent which includes a mixture of a dinitrile solvent and a nitrile solvent and is stable at voltage of about 5 V or above. The dinitrile solvent may include at least one selected from the group consisting of malononitrile, succinonitrile, glutaronitrile, adiponitrile, pimelonitrile, suberonitrile, azelanitrile and sebaconitrile. The nitrile solvent may include at least one selected from the group consisting of acetonitrile, propionitrile, butyronitrile, pivalonitrile and capronitrile. The present application also discloses a lithium ion battery including the above high voltage electrolyte. The lithium ion battery exhibits a cyclic performance of greater than about 300 cycles and with a capacity retention of greater than about 80%.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 30, 2017
    Assignee: NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
    Inventors: Kam Piu Ho, Kwok Keung Paul Ho, Ranshi Wang, Yeming Xu, Wai Chun Luk, Mei Mei Hsu
  • Patent number: 9620820
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 11, 2017
    Assignee: Semiconductor Energy Laboratory Co., LTD.
    Inventors: Toru Itakura, Kyosuke Ito, Jun Ishikawa, Rie Yokoi
  • Patent number: 9620771
    Abstract: A cathode active material including a lithium metal oxide composite having a first domain and a second domain and represented by Formula 1: x[Li2-y(M1)1-z(M2)y+zO3]-(1?x)[LiMeO2]??Formula 1 wherein 0<x<1, 0?y<1, 0?z<1, 0<y+z<1, M1 includes at least one transition metal, M2 includes at least one metal selected from magnesium (Mg), aluminum (Al), vanadium (V), zinc (Zn), molybdenum (Mo), niobium (Nb), lanthanum (La), and ruthenium (Ru), and Me includes at least one metal selected from nickel (Ni), cobalt (Co), manganese (Mn), iron (Fe), chromium (Cr), titanium (Ti), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B).
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: April 11, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung-hoon Kim, Jae-gu Yoon, Min-sik Park, Jin-hwan Park
  • Patent number: 9601802
    Abstract: A nonaqueous electrolyte for a lithium-ion secondary battery containing 0.1 ppm to 20 ppm of vanadium in terms of vanadium ions, and containing cyclic carbonate and chain carbonate is used.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 21, 2017
    Assignee: TDK CORPORATION
    Inventors: Atsushi Sano, Keitaro Otsuki, Keiichi Fukuda
  • Patent number: 9601808
    Abstract: A nonaqueous electrolytic solution includes a cyclic carbonate and a chain carbonate, and contains a glycol sulfate derivative represented by formula (I) below and fluoroethylene carbonate: [wherein each of R1 and R2 independently represents at least one selected from the group consisting of a hydrogen atom and a hydrocarbon group having 1 to 5 carbon atoms].
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 21, 2017
    Assignee: TDK CORPORATION
    Inventors: Kenta Kotani, Atsushi Sano
  • Patent number: 9595706
    Abstract: A protected transition metal hexacyanoferrate (TMHCF) battery cathode is presented, made from AxMyFez(CN)n.mH2O particles, where the A cations are either alkali or alkaline-earth cations, and M is a transition metal. In one aspect the cathode pas tion layer may be materials such as oxides, simple salts, carbonaceous materials, or polymers that form a film overlying the AxMyFez(CN)n.mH2O particles. In another aspect, the cathode passivation layer is a material such as oxygen, nitrogen, sulfur, fluorine, chlorine, or iodine that interacts with the AxMyFez(CN)n.mH2O particles, to cure defects in the AxMyFez(CN)n.mH2O crystal lattice structure. Also presented are TMHCF battery synthesis methods.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 14, 2017
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Yuhao Lu, Jong-Jan Lee, David Evans
  • Patent number: 9590272
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, comprising a sulfolane-based additive; and a lithium secondary battery using the same. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention comprises an ionizable lithium salt; an organic solvent; and a sulfolane compound of formula (I), the sulfolane compound being present in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the total weight of the lithium salt and the organic solvent. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention can exhibit superior storage characteristic and life cycle at a high temperature, with maintaining good output characteristic at a low temperature.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: March 7, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yu-Ha An, Doo Kyung Yang, Chul-Haeng Lee, Young-Min Lim, Jong-Ho Jeon
  • Patent number: 9515298
    Abstract: According to one embodiment, a nonaqueous electrolyte battery includes a container, a positive electrode, and a negative electrode. The container satisfies Formula (1) of 0.15?(Tmin/Tmax)?1. The positive electrode includes a positive electrode active material represented by the composition formula Li1-aNixCoyMnzO2. The negative electrode includes a spinel type lithium titanium oxide. A nominal capacity of the nonaqueous electrolyte battery is in a range of from 5 Ah to 200 Ah. When a state of charge based on the nominal capacity is 50%, an open circuit voltage is in a range of from 2.12 V to 2.24 V.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: December 6, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidesato Saruwatari, Hiromichi Kuriyama, Tetsuro Kano, Yuki Watanabe, Norio Takami
  • Patent number: 9472807
    Abstract: A lithium/iron disulfide electrochemical battery cell with a high discharge capacity. The cell has a lithium negative electrode, an iron disulfide positive electrode and a nonaqueous electrolyte. The iron disulfide of the positive electrode has a controlled average particle size range which allows the electrochemical cells to exhibit desired properties in both low and high rate applications. In various embodiments, the iron disulfide particles are wet milled, preferably utilizing a media mill or milled utilizing a non-mechanical mill such as a jet mill, which reduces the iron disulfide particles to a desired average particle size range for incorporation into the positive electrode.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: October 18, 2016
    Assignee: Energizer Brands, LLC
    Inventors: Jack W. Marple, Michael W. Wemple
  • Patent number: 9450241
    Abstract: A composite cathode active material represented by the formula (1?x)LiM1aM2bM3cO2?xLi2M4O3, wherein M1, M2, and M3 are each independently selected from the group of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B); M4 is selected from the group consisting of manganese (Mn), titanium (Ti0, and zirconium (Zr); M1, M2, and M3 are different from one another; and 0.5<x<1, 0<a<1, 0<b<1, 0<c<1, a+b+c=1, and 0<[(1?x)×a]/[(1?x)×c+x]?0.14.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: September 20, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ji-Hyun Kim, Yong-Chan You, Chang-Wook Kim, Jun-Seok Park
  • Patent number: 9362564
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: June 7, 2016
    Assignee: Semiconductor Energy Laboratory Co., LTD.
    Inventors: Toru Itakura, Kyosuke Ito, Jun Ishikawa, Rie Yokoi
  • Patent number: 9356287
    Abstract: A negative active material, a lithium battery including the negative active material, and a method of preparing the negative active material. The negative active material includes a silicon-based alloy including Si, Al, and Fe. The silicon-based alloy includes an active phase of silicon nanoparticles and an inactive phase of Si3Al3Fe2 and Si2Fe in a ratios suitable to improve the lifespan of the lithium battery.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: May 31, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung-Uk Kwon, Young-Ugk Kim, Jae-Hyuk Kim, Yury Matulevich, Yo-Han Park, Chang-Ui Jeong, Soon-Sung Suh, Hee-Young Chu, Duk-Hyoung Yoon
  • Patent number: 9293773
    Abstract: Provided herein are electrolytes for lithium-ion electrochemical cells, electrochemical cells employing the electrolytes, methods of making the electrochemical cells and methods of using the electrochemical cells over a wide temperature range. Included are electrolyte compositions comprising a lithium salt, a cyclic carbonate, a non-cyclic carbonate, and a linear ester and optionally comprising one or more additives.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: March 22, 2016
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Marshall C. Smart, Ratnakumar V. Bugga
  • Patent number: 9276288
    Abstract: A nonaqueous electrolyte rechargeable battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode and the negative electrode occlude and discharge lithium irons. The nonaqueous electrolyte contains an additive and a polycyclic aromatic hydrocarbon. The additive includes an organic solvent having a donor number of 18 to 24. A content of the polycyclic aromatic hydrocarbon is 0% to 2.0% of a total mass of the nonaqueous electrolyte.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: March 1, 2016
    Assignee: DENSO CORPORATION
    Inventors: Syuuhei Yoshida, Yuuki Tachibana
  • Patent number: 9263765
    Abstract: A cyclotriphosphazene compound comprising a fluorinated cyclotriphosphazene compound having at least one fluorine atom substituted with a group represented by Formula 1 below, a method of preparing the cyclotriphosphazene compound, an electrolyte including the cyclotriphosphazene compound, and a lithium secondary battery including the electrolyte are provided: *A-[B—CN]x??[Formula 1] A being a heteroatom having an unshared electron pair; * representing a binding site for bonding the group represented by Formula 1 to a phosphorus (P) atom of the fluorinated cyclotriphosphazene compound; B being a substituted or unsubstituted C1-C5 alkylene group; and x being 1 or 2.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: February 16, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young Sam Park, Ho-Seok Yang, Yun-Hee Kim, Jin-Hyeok Lim, Hee-Yeon Hwang
  • Patent number: 9231276
    Abstract: Nonaqueous electrolytes which can produce a battery of high capacity and excellent storability and cycle characteristics are provided, as are batteries produced with the electrolytes. The electrolytes include ones with (i) an aromatic compound having 7-18 carbon atoms in total and a fluorinated cyclic carbonate having two or more fluorine atoms, (ii) diethyl carbonate and a fluorinated cyclic carbonate having two or more fluorine atoms, (iii) at least one of a cyclic sulfonic acid ester compound, disulfonic acid ester compound, nitrile compound, and a compound of formula (1) and a fluorinated cyclic carbonate having two or more fluorine atoms, or (iv) a nonaqueous electrolyte solution for use in a high-voltage battery having a final charge voltage of 4.3 V or higher and having a fluorinated cyclic carbonate with two or more fluorine atoms.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: January 5, 2016
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Minoru Kotato, Shinichi Kinoshita
  • Patent number: 9228249
    Abstract: A negative electrode active material for an electric device, including an alloy having a composition formula SixZnyAlz, where x++y=100 , 26?x?47, 18?y?44, and 22?z?46 are satisfied.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: January 5, 2016
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Manabu Watanabe, Osamu Tanaka, Takashi Miyamoto
  • Patent number: 9142862
    Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly, a nonaqueous electrolyte, and a container. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The container houses the electrode assembly and the nonaqueous electrolyte. The container has a positive electrode terminal and a negative electrode terminal. The positive electrode terminal is electrically connected to the positive electrode. The negative electrode terminal is electrically connected to the negative electrode. The container further includes a short-circuiting mechanism that short-circuits the positive electrode terminal and the negative electrode terminal if the internal pressure rises. The nonaqueous electrolyte contains lithium bis(oxalato)borate (LiBOB).
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: September 22, 2015
    Assignee: SANYO ELECTRIC CO., LTD.
    Inventors: Yoshinori Yokoyama, Takayuki Hattori, Yasuhiro Yamauchi
  • Patent number: 9118086
    Abstract: An electrolyte for a lithium secondary battery, which includes a lithium salt, a nonaqueous organic solvent and at least one additive selected from the group consisting of vitamin G (vitamin B2, riboflavin), vitamin B3 (niacinamide), vitamin B4 (adenine), vitamin B5 (pantothenic acid), vitamin H (vitamin B7, biotin), vitamin M (vitamin B9, folic acid), vitamin BX (4-aminobenzoic acid), vitamin D2 (ergocalciferol), vitamin D3 (cholecalciferol), vitamin K1 (phylloquinone), ascorbyl palmitate, and sodium ascorbate.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: August 25, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon-sok Kang, Seok-soo Lee, Won-chang Choi, Jin-hwan Park, Mi-jeong Song
  • Publication number: 20150140444
    Abstract: A lithium ion battery that has a 5 V stabilized manganese cathode and a nonaqueous electrolyte comprising a phosphate additive is described. The lithium ion battery operates with a high voltage cathode (i.e. up to about 5 V) and has improved cycling performance at high temperature.
    Type: Application
    Filed: March 8, 2013
    Publication date: May 21, 2015
    Inventors: Charles J. Dubois, Viacheslav A. Petrov
  • Publication number: 20150140443
    Abstract: The present invention relates to a secondary battery cg a positive electrode capable of absorbing and releasing lithium, and a electrolyte solution containing a non-aqueous electrolytic solvent, wherein the positive electrode has a positive electrode active material which operates at 4.5 V or more relative to lithium, and wherein the non-aqueous electrolytic solvent contains a sulfone compound represented by a predetermined formula and a fluorinated ether compound represented by a predetermined formula.
    Type: Application
    Filed: June 4, 2013
    Publication date: May 21, 2015
    Inventors: Makiko Takahashi, Takehiro Noguchi, Hideaki Sasaki, Yuukou Katou, Akinobu Nakamura
  • Publication number: 20150132663
    Abstract: There is provided a secondary battery comprising: a positive electrode capable of intercalating and deintercalating a lithium ion; a negative electrode capable of intercalating and deintercalating a lithium ion; and an electrolytic solution, wherein the electrolytic solution comprises: a fluorine-containing cyclic ether compound represented by the following formula (1); and at least one selected from a fluorine-containing chain ether compound or a fluorine-containing phosphate ester compound; wherein R1 to R6 are each independently selected from a hydrogen atom, a fluorine atom, a chlorine atom, or a fluorine-substituted, chlorine-substituted, or unsubstituted alkyl group, and at least one of R1 to R6 is selected from a fluorine atom or a fluorine-substituted alkyl group.
    Type: Application
    Filed: February 26, 2013
    Publication date: May 14, 2015
    Inventors: Takehiro Noguchi, Hideaki Sasaki, Yuukou Katou, Makiko Takahashi
  • Patent number: 9011709
    Abstract: The present invention relates to an electrolyte of an energy storage device. An electrolyte composition in accordance with an embodiment of the present invention includes an electrolyte salt, a carbonate solvent, and at least one nitrile solvent of acetonitrile and propionitrile.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 21, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Hoon Choi, Ji Sung Cho, Eun Sil Kim, Se Woong Paeng, Bae Kyun Kim
  • Patent number: 9005822
    Abstract: Functional electrolyte solvents include compounds having at least one aromatic ring with 2, 3, 4 or 5 substituents, at least one of which is a substituted or unsubstituted methoxy group, at least one of which is a tert-butyl group and at least one of which is a substituted or unsubstituted polyether or poly(ethylene oxide) (PEO) group bonded through oxygen to the aromatic ring, are provided.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: April 14, 2015
    Assignee: UChicago Argonne, LLC
    Inventors: Lu Zhang, Zhengcheng Zhang, Khalil Amine
  • Publication number: 20150099191
    Abstract: A homologous series of cyclic carbonate or propylene carbonate (PC) analogue solvents with increasing length of linear alkyl substitutes were synthesized and used as co-solvents with PC for graphite based lithium ion half cells. A graphite anode reaches a capacity around 310 mAh/g in PC and its analogue co-solvents with 99.95% Coulombic efficiency. Cyclic carbonate co-solvents with longer alkyl chains are able to prevent exfoliation of graphite when used as co-solvents with PC. The cyclic carbonate co-solvents of PC compete for solvation of Li ion with PC solvent, delaying PC co-intercalation. Reduction products of PC on graphite surfaces via single-electron path form a stable Solid Electrolyte Interphase (SEI), which allows the reversible cycling of graphite.
    Type: Application
    Filed: October 3, 2014
    Publication date: April 9, 2015
    Applicant: The Regents of the University of California
    Inventors: Gao Liu, Hui Zhao, Sang-Jae Park
  • Publication number: 20150086877
    Abstract: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: Rf1OCOOR??(1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3??(2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 26, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki Yamazaki, Hideo Sakata, Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Akiyoshi Yamauchi
  • 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: 20150086876
    Abstract: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high voltage cycle characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below, and a fluorine-containing compound (B) represented by formula (2) shown below: Rf1OCOOR??(1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3??(2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 26, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Akiyoshi Yamauchi
  • Patent number: 8980483
    Abstract: An electrolyte contains a solvent and an electrolyte salt. The solvent contains an organic acid and a sulfone compound in combination. The organic acid has a moiety containing an electron-withdrawing group such as a carbonyl group (—C(?O)—) or a sulfonyl group (—S(?O)2—) in the center and hydroxyl groups (—OH) at both ends. The sulfone compound is a cyclic compound having a disulfonic anhydride group (—(O?)2S—O—S(?O)2—) or a carboxylic-sulfonic anhydride group (—(O?)2S—O—C(?O)—).
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: March 17, 2015
    Assignee: Sony Corporation
    Inventors: Masayuki Ihara, Shinya Wakita, Tadahiko Kubota
  • Patent number: 8980482
    Abstract: The present invention provides a lithium-ion secondary battery with excellent high-temperature storage characteristics. The lithium-ion secondary battery provided by the present invention has positive and negative electrodes capable of absorbing and desorbing lithium ions, and an electrolyte solution containing a lithium salt as a supporting salt in an organic solvent. The nonaqueous electrolyte contains not only the lithium salt, but also at least one type of dicarboxylic acid as additive A; and at least one type of additive selected from vinylene carbonate, vinylethylene carbonate, ethylene sulfite, and fluoroethylene carbonate as additive B.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: March 17, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Koji Takahata
  • Patent number: 8974973
    Abstract: The present invention is directed to a starch-based battery system. The starch-based battery system uses a rheological and replaceable starch gluten electrolyte that generates colloidal starch gel adhesive contacted with and/or attached on electrodes to generate current for powering electronic devices. The starch-based battery system that includes control circuit and standard cap module replaces a conventional dry cell battery or is integrated with electronic devices to power, for example, flash-light, lighting ornaments or magnetic actuated motion products and toys. In other embodiments of the invention, the starch-based battery system is integrated into a device for attracting aquatic life forms in an aquatic environment, wherein the starch-based battery powers a light source and/or sound source and also the starch gluten electrolyte acts as bait for attracting aquatic life forms within the aquatic environment.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: March 10, 2015
    Inventors: Wing Fai Leung, Po Fong Cheng
  • Patent number: 8968938
    Abstract: Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: March 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Young Soo Kim, Soon Ho Ahn, Joon Sung Bae, Cha Hun Ku, Soo Hyun Ha, Duk Hyun Ryu, Sei Lin Yoon
  • Patent number: 8962192
    Abstract: A nonaqueous electrolytic solution that can provide a battery that is low in gas generation, has a large capacity, and is excellent in storage characteristics and cycle characteristics contains an electrolyte and a nonaqueous solvent dissolving the electrolyte and further contains 0.001 vol % or more and less than 1 vol % of a compound represented by Formula (1) in the nonaqueous solvent. Alternatively, the nonaqueous electrolytic solution contains 0.001 vol % or more and less than 5 vol % of a compound represented by Formula (1) in the nonaqueous solvent and further contains at least one compound selected from the group consisting of cyclic carbonate compounds having carbon-carbon unsaturated bonds, cyclic carbonate compounds having fluorine atoms, monofluorophosphates, and difluorophosphates. In Formula (1), R1 to R3 each independently represent an alkyl group of 1 to 12 carbon atoms, which may be substituted by a halogen atom; and n represents an integer of 0 to 6.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: February 24, 2015
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Minoru Kotato, Shinichi Kinoshita
  • 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: 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