Nitrogen Containing Organic Solvent Compound (e.g., Acetonitrile, Etc.) Patents (Class 429/339)
-
Publication number: 20140154588Abstract: A method for preparing an ionic liquid nanoscale ionic material, the ionic liquid nanoscale ionic material and a battery that includes a battery electrolyte that comprises the ionic liquid nanoscale ionic material each provide superior performance. The superior performance may be manifested within the context of inhibited lithium dendrite formation.Type: ApplicationFiled: July 10, 2012Publication date: June 5, 2014Applicant: CORNELL UNIVERSITYInventors: Lynden A. Archer, Surya S. Moganty, Yingying Lu
-
Publication number: 20140154590Abstract: 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: ApplicationFiled: August 2, 2012Publication date: June 5, 2014Applicant: WESTFALISCHE WILHELMS UNIVERSITAT MUNSTERInventors: Elisabeth Kramer, Rene Schmitz, Stefano Passerini, Martin Winter
-
Publication number: 20140141340Abstract: An electrolyte for a rechargeable lithium battery that includes a lithium salt and a non-aqueous organic solvent including a compound represented by the following Chemical Formula 1 is described: The compound represented by Chemical Formula 1 is included at greater than or equal to 0.001 volume % and less than 1 volume % based on a total volume of the non-aqueous organic solvent. A rechargeable lithium battery including the electrolyte is also described.Type: ApplicationFiled: March 1, 2013Publication date: May 22, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Vladimir Egorov, Woo-Cheol Shin, Pavel Alexandrovich Shatunov
-
Patent number: 8728670Abstract: The invention provides a nonaqueous-electrolyte battery which has a positive electrode 3 including a positive active material, a negative electrode 4 including a negative active material having a lithium insertion/release potential higher than 1.0 V (vs. Li/Li+), and a nonaqueous electrolyte, wherein an organic compound having one or more isocyanato groups has been added to the nonaqueous electrolyte.Type: GrantFiled: August 22, 2008Date of Patent: May 20, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Hiroki Inagaki, Norio Takami
-
Publication number: 20140134500Abstract: An anode and a battery, which have a high capacity and can improve battery characteristics such as large current discharge characteristics and low temperature discharge characteristics are provided. An anode has an anode current collector and an anode active material layer provided on the anode current collector. The density of the anode active material layer is in the range from 1.5 g/cm3 to 1.8 g/cm3. Further, the anode active material layer contains a granulated graphite material which is obtained by granulating a flat graphite particle in nodular shape and mesocarbon microbeads. Thereby, the granulated graphite material is prevented from being destroyed, and diffusion path of lithium ions is secured.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicant: SONY CORPORATIONInventor: Gentaro KANO
-
Publication number: 20140134501Abstract: This invention relates to electrolytic solutions and secondary batteries containing same. The electrolytic solutions contain (a) one or more ionic salts; (b) one or more non-aqueous solvents; (c) at least one solid electrolyte interphase former; (d) at least one fluorinated compound; and (e), optionally, at least one high temperature stability compound. Components (c), (d) and (e) are each different compounds and each are different from the ionic salts (a) and solvents (b).Type: ApplicationFiled: November 12, 2012Publication date: May 15, 2014Applicant: NOVOLYTE TECHNOLOGIES, INC.Inventors: Jing Li, Martin W. Payne
-
Patent number: 8715866Abstract: An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.Type: GrantFiled: December 30, 2008Date of Patent: May 6, 2014Assignee: LG Chem, Ltd.Inventors: Byoung-Bae Lee, Jae-Seung Oh, Ji-Won Park, Shin-Jung Choi, Jae-Duk Park, Dong-Su Kim, Hyo-Jin Lee
-
Patent number: 8709665Abstract: A nonaqueous electrolyte of nonaqueous secondary battery contains a nitrile group-containing compound at a concentration of 0.05% by mass or more. A positive electrode active material has an average particle diameter of 4.5 to 15.5 ?m and a specific surface area of 0.13 to 0.80 m2/g. A positive electrode binder layer contains a silane coupling agent and/or at least one of aluminum, titanium, or zirconium based coupling agent having an alkyl or an alkoxy groups having 1 to 18 carbon atoms at a content of 0.003% by mass or more and 5% by mass or less. Thus nonaqueous secondary battery having a film resistance of the interface between a positive electrode and the electrolyte being less increased, and excellent ion conductivity and charge load characteristics in a low temperature environment is provided.Type: GrantFiled: December 10, 2010Date of Patent: April 29, 2014Assignee: SANYO Electric Co., Ltd.Inventor: Kentaro Takahashi
-
Patent number: 8703345Abstract: Disclosed is an electrolyte. The electrolyte includes an amide compound and an ionizable lithium salt. The amide compound has a specific structure in which an amine group is substituted with at least one alkoxyalkyl group and at least one halogen atom is present. The electrolyte has good thermal and chemical stability, a low resistance and a high ionic conductivity. In addition, the electrolyte has a high upper limit of electrochemical window due to its improved oxidation stability. Therefore, the electrolyte can be useful for the fabrication of an electrochemical device. Further disclosed is an electrochemical device including the electrolyte.Type: GrantFiled: September 23, 2011Date of Patent: April 22, 2014Assignee: LG Chem, Ltd.Inventors: Byoung-Bae Lee, Jae-Seung Oh, Sang-Hyun Lee, Kwon-Young Choi, Dong-Su Kim, Yeon-Suk Hong, Hyo-Jin Lee
-
Patent number: 8697295Abstract: A nonaqueous electrolytic solution that can provide a high energy density nonaqueous electrolyte secondary battery having a high capacity, excellent storage characteristics, and excellent cycle characteristics and suppressing the decomposition of an electrolytic solution and the deterioration thereof when used in a high-temperature environment includes an electrolyte, a nonaqueous solvent, and a compound represented by general formula (1): wherein R1, R2, and R3 each independently represent a hydrogen atom, a cyano group, or an optionally halogen atom-substituted hydrocarbon group having 1 to 10 carbon atoms, with the proviso that R1 and R2 do not simultaneously represent hydrogen atoms.Type: GrantFiled: May 21, 2012Date of Patent: April 15, 2014Assignee: Mitsubishi Chemical CorporationInventors: Takashi Fujii, Youichi Ohashi, Shinichi Kinoshita
-
Patent number: 8697293Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt and an organic solvent. Based on 100 parts by weight of the non-aqueous electrolyte solution, the non-aqueous electrolyte solution includes 1 to 5 parts by weight of sultone compound having a carbon-carbon unsaturated bond in a cyclic structure; 1 to 5 parts by weight of cyclic carbonate compound with a vinyl group; 5 to 10 parts by weight of cyclic carbonate compound that is substituted with halogen; and 1 to 5 parts by weight of dinitrile compound. This non-aqueous electrolyte solution improves stability of a SEI film formed on a surface of an anode of a lithium secondary battery and thus improves normal temperature cycle performance and high temperature cycle performance.Type: GrantFiled: April 24, 2009Date of Patent: April 15, 2014Assignee: LG Chem, Ltd.Inventors: So-Young Park, Hee-Gyoung Kang, Joon-Sung Bae
-
Patent number: 8691446Abstract: A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide containing a metal element selected from the group consisting of Mg, Ti, Zr, Ge, Nb, Al and Sn, the positive electrode mixture layer has a density of 3.5 g/cm3 or larger, and the nonaqueous electrolyte contains a compound having two or more nitrile groups in the molecule.Type: GrantFiled: October 25, 2007Date of Patent: April 8, 2014Assignee: Hitachi Maxell, Ltd.Inventors: Hideo Sakata, Fusaji Kita, Kumiko Ishizuka
-
Patent number: 8679685Abstract: Disclosed is a lithium secondary battery. The lithium secondary battery includes a cathode, an anode, a separator and a non-aqueous electrolyte solution. Either the cathode or the anode or both include metal oxide coating layers on electrode active material particles forming the electrode or a metal oxide coating layer on the surface of an electrode layer formed on a current collector. The non-aqueous electrolyte solution contains an ionizable lithium salt, an organic solvent, and a dinitrile compound having a specific structure. In the lithium secondary battery, degradation of the electrode is prevented and side reactions of the electrolyte solution are inhibited. Therefore, the lithium secondary battery exhibits excellent cycle life and output performance characteristics.Type: GrantFiled: April 16, 2012Date of Patent: March 25, 2014Assignee: LG Chem, Ltd.Inventors: Jong-Ho Jeon, Doo-Kyung Yang, Sung-Hoon Yu, Min-Hyung Lee
-
Patent number: 8679676Abstract: Provided is a non-aqueous electrolyte secondary battery which has excellent high-temperature cycle characteristics, while maintaining the shutdown response speed of the separator and the overcharge characteristics after many repeated cycles at high temperatures. The battery uses a non-aqueous electrolyte containing a carboxylic acid ester and a nitrile compound, and a separator having a porosity of 28 to 54% and an air permeability of 86 to 450 secs/dl.Type: GrantFiled: July 31, 2009Date of Patent: March 25, 2014Assignee: SANYO Electric Co., Ltd.Inventor: Kentaro Takahashi
-
Patent number: 8673505Abstract: A non-aqueous electrolyte secondary battery including a unit cell including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, the positive electrode capacity being greater than the negative electrode capacity, and at least a portion of the non-aqueous electrolyte is gasified during charging.Type: GrantFiled: March 30, 2007Date of Patent: March 18, 2014Assignees: Panasonic Corporation, Public University Corporate Osaka City UniversityInventors: Tsutomu Ohzuku, Hiroshi Yoshizawa
-
Patent number: 8673504Abstract: The objective of the present invention is to prevent deterioration and expanding of anode active material and to improve charge-discharge cycle characteristics in a non-aqueous electrolyte secondary battery comprising an anode of which current collector has thereon a thin layer of an anode active material containing a metal. To solve this problem, in a non-aqueous electrolyte secondary battery wherein a thin layer of anode active material containing a metal which absorbs and discharges lithium is formed on a current collector and the thin layer of the anode active material is divided into columns by a gap formed along the thickness thereof, a compound represented by the following formula is contained in the non-aqueous electrolyte. A-N?C?O In the above formula, A represents an element or a group other than hydrogen.Type: GrantFiled: May 3, 2012Date of Patent: March 18, 2014Assignees: SANYO Electric Co., Ltd., Mitsubishi Chemical CorporationInventors: Keiji Saisho, Hidekazu Yamamoto, Masahiro Takehara
-
Patent number: 8669114Abstract: The subject of the invention at hand are novel, a little basic, fluorinated pentafluorophenyl imide anions, which can be used as anions in ionic liquids. Methods for producing ionic liquids are described, which contain these novel pentafluorophenyl imide ions as anions, as well as quaternary organic ammonium ions, guanidinium ions, N-organo-pyridinium ions, imidazolium, imidazolidinium or benzimidazolidinium ions, alkyl-alkylidene phosphoranes or aryl-alkylidene phosphoranes as cations. Alternative methods according to the present invention provide ionic liquids through reaction of ketene N,N-diacetals or alkyl or aryl-alkylidene phosphoranes with acids. The ionic liquids according to the present invention are suitable, for example, as solvents for syntheses, as mobile and/or stationary phase in chromatography, as electrolyte systems for batteries, galvanic elements, fuel cells and rechargeable battery packs.Type: GrantFiled: May 17, 2007Date of Patent: March 11, 2014Assignee: Philipps-Universitaet MarburgInventors: Jorg Sundermeyer, Thomas Linder
-
Publication number: 20140065465Abstract: A sodium-ion electrochemical cell described herein comprises a cathode, an anode, and a non-aqueous sodium-containing electrolyte therebetween. The electrolyte comprises a sodium salt dissolved in a liquid organic carrier. The cathode comprises at least one transition metal chalcogenide compound in an initial discharged or partially discharged state and having the formula NaxMX2Cln, wherein 0<x?1; M is at least one transition metal having a +3, +4, or +5 fully discharged oxidation state, i.e., when x is 1. X is at least one chalcogen selected from the group consisting of S and Se, and n is 0 when the discharged oxidation state of M is +3, n is 1 when the discharged oxidation state of M is +4, and n is 2 when the discharged oxidation state of M is +5. In some embodiments, the cathode comprises NaxVS2, NaxTiS2, or a combination thereof.Type: ApplicationFiled: December 10, 2012Publication date: March 6, 2014Applicants: Indiana University Research and Technology Corporation, UCHICAGO ARGONNE, LLCInventors: Christopher Johnson, Youngsik Kim, Eungje Lee
-
Publication number: 20140050991Abstract: In an aspect, an electrolyte for a lithium rechargeable battery and a lithium rechargeable battery are provided. The electrolyte may include a non-aqueous organic solvent, a lithium salt, and an aromatic amine as an additive.Type: ApplicationFiled: January 17, 2013Publication date: February 20, 2014Applicant: Samsung SDI Co., Ltd.Inventor: Daesik Kim
-
Patent number: 8652692Abstract: Non-aqueous alkali metal (e.g., Li)/oxygen battery cells constructed with a protected anode that minimizes anode degradation and maximizes cathode performance by enabling the use of cathode performance enhancing solvents in the catholyte have negligible self-discharge and high deliverable capacity. In particular, protected lithium-oxygen batteries with non-aqueous catholytes have this improved performance.Type: GrantFiled: November 22, 2006Date of Patent: February 18, 2014Assignee: PolyPlus Battery CompanyInventors: Steven J. Visco, Yevgeniy S. Nimon, Bruce Katz
-
Patent number: 8642202Abstract: An organic electrolyte solution for use in a redox flow battery and the redox flow battery including the organic electrolyte solution has a high energy density because re-precipitation is prevented in the organic electrolyte solution or eduction is prevented in an electrode during reduction of a metal ion used as an electrolyte.Type: GrantFiled: January 28, 2011Date of Patent: February 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-young Sun, Joung-won Park, Doo-yeon Lee, Seung-uk Son
-
Patent number: 8636916Abstract: A method of forming an electrolyte solution involves combining ammonium tetrafluoroborate and a quaternary ammonium halide in a liquid solvent to form a quaternary ammonium tetrafluoroborate and an ammonium halide. The ammonium halide precipitate is removed from the solvent to form an electrolyte solution. The reactants can be added step-wise to the solvent, and the method can include using a stoichiometric excess of the ammonium tetrafluoroborate to form a substantially halide ion-free electrolyte solution. Filtration can be done at low temperatures to reduce the amount of excess bromide in the resulting electrolyte.Type: GrantFiled: August 30, 2011Date of Patent: January 28, 2014Assignee: Corning IncorporatedInventors: Kishor Purushottam Gadkaree, Satyanarayana Kodali
-
Patent number: 8632918Abstract: A non-aqueous rechargeable electrochemical cell includes an electrolyte composition produced through the dissolution of a thermally stable lithium salt in a lactone solvent. The resulting cell has stable performance in a wide temperature range between ?40° C. and 80° C. The resulting cell operates across this wide temperature range with a commercially acceptable capacity retention, power loss characteristics, and safety characteristics across this temperature range.Type: GrantFiled: February 1, 2006Date of Patent: January 21, 2014Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Kang Xu, Shengshui Zhang, T. Richard Jow
-
Publication number: 20140017571Abstract: 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: ApplicationFiled: August 9, 2012Publication date: January 16, 2014Applicant: NTHDEGREE TECHNOLOGIES WORLDWIDE INC.Inventors: Vera Nicholaevna Lockett, Mark D. Lowenthal, Neil O. Shotton, William Johnstone Ray, Theodore I. Kamins
-
Publication number: 20140011099Abstract: An electrolyte solvent for a cathode active material composed of lithium oxo acid salt. The solvent is used for a lithium ion secondary battery using the lithium oxo acid salt as a cathode material. The electrolyte solvent includes an ammonium ion which includes two or more alkoxyalkyl groups.Type: ApplicationFiled: March 23, 2012Publication date: January 9, 2014Applicant: SHOEI CHEMICAL INC.Inventors: Li Yang, Shaohua Fang
-
Publication number: 20130344398Abstract: Provided is a lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a polymer electrolyte composition having a polymer electrolyte, a non-aqueous organic solvent, and a lithium salt. The content of the polymer electrolyte is 9 to 20 wt %, based on the total weight of the polymer electrolyte composition.Type: ApplicationFiled: August 30, 2013Publication date: December 26, 2013Applicant: Samsung SDI Co., Ltd.Inventors: Joong-Heon KIM, Cheol-Ho PARK, Jin-Uk LEE
-
Publication number: 20130344399Abstract: Novel electric battery systems are disclosed utilizing selected ionic liquids as electrolytes and selected metals and metal oxides as electrodes. The ionic liquids utilize a substituted imidazolium cation, which does not have the corrosive safety and environmental concerns associated with corrosive acid and alkali electrolytes.Type: ApplicationFiled: September 7, 2010Publication date: December 26, 2013Applicants: Chief of Naval Research, Office of CounselInventor: Thomas E. Sutto
-
Publication number: 20130323571Abstract: 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: ApplicationFiled: May 13, 2013Publication date: December 5, 2013Inventors: Hongli Dai, Michael Erickson, Marc Juzkow
-
Publication number: 20130295468Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same.Type: ApplicationFiled: July 3, 2013Publication date: November 7, 2013Inventors: Sung-Hoon YU, Doo-Kyung YANG, Jong-Ho JEON, Min-Jung JOU
-
Patent number: 8574773Abstract: A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aromatic phosphorus compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance.Type: GrantFiled: November 16, 2009Date of Patent: November 5, 2013Assignee: Dow Global Technologies LLCInventors: David R. Wilson, Ravi B. Shankar, Houxiang Tang, Andrew J. Pasztor, Jr., Peter M. Margl, William J. Kruper, Jr., Mark D. Newsham, Jing Jin, Matthew M. Yonkey, Deidre A. Strand, Thomas D. Gregory, Jamie L. Cohen, Jeremy R. Stajdl
-
Publication number: 20130280618Abstract: The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.Type: ApplicationFiled: September 26, 2011Publication date: October 24, 2013Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kenichi Shinmei, Yoshiharu Konno, Masashi Kanoh
-
Publication number: 20130280622Abstract: An object of the invention is to provide a nonaqueous electrolytic solution which is capable of bringing about a nonaqueous-electrolyte secondary battery improved in initial charge capacity, input/output characteristics, and impedance characteristics. The invention relates to a nonaqueous electrolytic solution which comprises: a nonaqueous solvent; LiPF6; and a specific fluorosulfonic acid salt, and to a nonaqueous-electrolyte secondary battery containing the nonaqueous electrolytic solution.Type: ApplicationFiled: June 21, 2013Publication date: October 24, 2013Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Hiroyuki TOKUDA, Hiroaki Yoshida, Atsushi Watari
-
Patent number: 8546023Abstract: Disclosed is a secondary battery including a cathode, an anode, a separator, and an electrolyte, wherein the electrolyte includes a ternary eutectic mixture prepared by adding (c) a carbonate-based compound to a eutectic mixture containing (a) an amide group-containing compound and (b) an ionizable lithium salt, and the carbonate-based compound is included in an amount of less than 50 parts by weight based on 100 parts by weight of the electrolyte. The use of the disclosed ternary eutectic mixture having flame resistance, chemical stability, high conductivity, and a broad electrochemical window, as the electrolyte material, improves both the thermal stability and quality of the battery.Type: GrantFiled: April 10, 2008Date of Patent: October 1, 2013Assignee: LG Chem, Ltd.Inventors: Jiwon Park, Jae Seung Oh, Byoung-bae Lee, Shin Jung Choi, Jaeduk Park
-
Publication number: 20130244121Abstract: This invention relates to novel applications for alliform carbon, useful in conductors and energy storage devices, including electrical double layer capacitor devices and articles incorporating such conductors and devices. Said alliform carbon particles are in the range of 2 to about 20 percent by weight, relative to the weight of the entire electrode. Said novel applications include supercapacitors and associated electrode devices, batteries, bandages and wound healing, and thin-film devices, including display devices.Type: ApplicationFiled: September 16, 2011Publication date: September 19, 2013Applicants: Universite Paul Sabatier De Toulouse France, Drexel UniversityInventors: Yury Gogotsi, Vadym Mochalin, John Kenneth McDonough, Patrice Simon, Pierre-Louis Taberna
-
Publication number: 20130244120Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising fluoroethylene carbonate and a pyrimidine-based compound; and a lithium secondary battery using the same.Type: ApplicationFiled: May 2, 2013Publication date: September 19, 2013Applicant: LG CHEM, LTD.Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Jung Jou, Yoo-Seok Kim, Yoo-Sun Kang
-
Publication number: 20130230781Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group; and a lithium secondary battery using the same.Type: ApplicationFiled: April 19, 2013Publication date: September 5, 2013Applicant: LG CHEM, LTD.Inventors: Sung-Hoon YU, Doo-Kyung YANG, Min-Hyung LEE, Min-Jung JOU
-
Patent number: 8524399Abstract: 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: GrantFiled: August 8, 2008Date of Patent: September 3, 2013Assignee: LG Chem, Ltd.Inventors: Soojin Kim, Jeong-Ju Cho
-
Publication number: 20130224604Abstract: Disclosed is an electrolyte for a secondary lithium battery and a secondary lithium battery including the same, and the electrolyte includes an additive represented by Formula 1. The definitions of each substituent in Formula 1 are the same as in the specification.Type: ApplicationFiled: November 28, 2012Publication date: August 29, 2013Applicant: SAMSUNG SDI CO., LTD.Inventor: Samsung SDI Co., Ltd.
-
Publication number: 20130216918Abstract: An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.Type: ApplicationFiled: March 18, 2013Publication date: August 22, 2013Inventors: Hiroyuki TOKUDA, Takashi FUJII, Minoru KOTATO, Masahiro TAKEHARA, Masamichi ONUKI, Youichi OHASHI, Shinichi KINOSHITA
-
Patent number: 8501355Abstract: 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: GrantFiled: March 2, 2010Date of Patent: August 6, 2013Assignee: LG Chem, Ltd.Inventors: Yo Jin Kim, Han Ho Lee, Seung Don Choi
-
Publication number: 20130196236Abstract: Disclosed is an electrode for a magnesium secondary battery. The electrode includes a current collector and a magnesium plating layer formed on the surface of the current collector. The electrode is simple to produce and is inexpensive. In addition, the electrode is in the form of a thin film. Therefore, the electrode is useful for the fabrication of a magnesium secondary battery with high energy density. Further disclosed is a magnesium secondary battery including the electrode.Type: ApplicationFiled: March 14, 2013Publication date: August 1, 2013Applicant: LG CHEM, LTD.Inventor: LG Chem, Ltd.
-
Publication number: 20130196206Abstract: An organic electrolyte solution including a solvent; an electrolyte including a metal-ligand coordination compound; and an additive including a hydrophobic group and a metal affinic group.Type: ApplicationFiled: January 30, 2013Publication date: August 1, 2013Applicant: Samsung Electronics Co., Ltd.Inventor: Samsung Electronics Co., Ltd.
-
Publication number: 20130196212Abstract: A 1.5V battery and manufacturing method thereof is disclosed. The battery includes a positive electrode composed of 80%-90 weight-% of pyrite, up to 3.5% of conductive carbon black, 3%-5% of graphite, 2%-4% of oxide or lithium oxide and 1%-4% of water-soluble adhesive; a negative electrode composed of lithium metal or a lithium-aluminum alloy; an electrolyte composed of an organic solvent selected from three or more of NMP, PC, DME, DOL, isoxazoles, THF, DMSO and SFL; and an inorganic salt solute selected from one or more of LiClO4, LiCF3SO3, LiI, LiAsF6 and LiBF4; and a separator made of polyethylene resins.Type: ApplicationFiled: January 3, 2008Publication date: August 1, 2013Inventors: Wenshuo Pan, Xianwen He, Zhongfen Lao
-
Patent number: 8475676Abstract: Electrolyte for use in an energy storage device such as a capacitor or supercapacitor which comprises a solvent (preferably propionitrile) and an ionic species (preferably methyltriethylammonium tetrafluoroborate). The electrolytes provide a low ESR rise rate, a high voltage and permit operation over a wide range of temperatures, which makes them beneficial for use in a range of energy storage devices such as digital wireless devices, wireless LAN devices, mobile telephones, computers, electrical or hybrid electrical vehicles.Type: GrantFiled: March 7, 2007Date of Patent: July 2, 2013Assignee: CAP-XX LimitedInventors: Phillip Brett Aitchison, Hung Chi Nguyen
-
Publication number: 20130164602Abstract: An energy storage device including an active electrolyte, a first electrode and a second electrode is provided. The active electrolyte contains protons and ion pairs with a redox ability. The first electrode and the second electrode coexist in the active electrolyte and are separated from each other. The first electrode and the second electrode respectively include an active material producing a redox-reaction with the active electrolyte or an active material producing ion adsorption/desorption with the active electrolyte. The active electrolyte receives electrons from the first electrode and/or the second electrode so as to perform a redox-reaction for charge storage.Type: ApplicationFiled: July 30, 2012Publication date: June 27, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Chung-Hsiang Chao, Jenn-Yeu Hwang, Chun-Lung Li
-
Publication number: 20130164635Abstract: The present invention relates to a solid composite for use in the cathode of a lithium- sulphur electric current producing cell wherein the solid composite comprises 1 to 75 wt.-% of expanded graphite, 25 to 99 wt.-% of sulphur, 0 to 50 wt.-% of one or more further conductive agents other than expanded graphite, and 0 to 50 wt.Type: ApplicationFiled: May 26, 2011Publication date: June 27, 2013Applicant: Sion Power CorporationInventors: Ruediger Schmidt, Alexander Panchenko, Bastian Ewald, Philip Hanefeld, Sorin Ivanovici, Helmut Moehwald, Igor P. Kovalev
-
Publication number: 20130164637Abstract: A non-aqueous electrolyte solution includes an electrolyte solution including an amide compound and a lithium salt, and a dinitrile compound substituted by a hetero atom at a main chain, and a lithium secondary battery includes the non-aqueous electrolyte solution. By using the non-aqueous electrolyte solution, a lithium secondary battery having an improved swelling phenomenon and an increased charging/discharging performance may be provided.Type: ApplicationFiled: January 31, 2013Publication date: June 27, 2013Applicant: LG CHEM, LTD.Inventor: LG Chem, Ltd.
-
Publication number: 20130164636Abstract: A hybrid energy storage device includes a positive electrode comprising open-structured carbonaceous materials and at least one lithium-containing inorganic compound characterized by LixAy(DtOz), wherein Li is lithium, A is a transition metal, D is selected from the group consisting of silicon, phosphorous, boron, sulfur, vanadium, molybdenum and tungsten, O is oxygen, and x, y, z, t are stoichiometric representation containing real numbers constrained by 0<x?4, 1?y?2, 1?t?3, 3?z?12, wherein y, t, and z are integers; a negative electrode; and a non-aqueous, lithium-containing electrolyte.Type: ApplicationFiled: July 31, 2012Publication date: June 27, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: JENN-YEU HWANG, LI-DUAN TSAI, CHUN-LUNG LI
-
Publication number: 20130157116Abstract: Disclosed is a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same. The non-aqueous electrolyte including an ionizable lithium salt and an organic solvent may further include (a) 1 to 10 parts by weight of a compound having a vinylene group or vinyl group per 100 parts by weight of the non-aqueous electrolyte, and (b) 10 to 300 parts by weight of a dinitrile compound having an ether bond per 100 parts by weight of the compound having the vinylene group or vinyl group. The lithium secondary battery comprising the non-aqueous electrolyte may effectively suppress the swelling and improve the charge/discharge cycle life.Type: ApplicationFiled: February 12, 2013Publication date: June 20, 2013Applicant: LG CHEM, LTD.Inventor: LG CHEM, LTD.
-
Patent number: 8460826Abstract: A lithium-iron disulfide electrochemical cell design is disclosed, relying on judicious selection of the electrolyte, a thicker lithium anode and a cathode with specific characteristics selected to cooperate with the electrolyte. The resulting cell has a reduced interfacial surface area between the anode and the cathode but, surprisingly, maintains excellent high drain rate capacity.Type: GrantFiled: June 8, 2009Date of Patent: June 11, 2013Assignee: Eveready Battery Companym Inc.Inventors: Weiwei Huang, Matthew T. Wendling