Entries |
Document | Title | Date |
20080213673 | ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY COMPRISING THE SAME - An electrolyte for a lithium battery and a lithium battery thereof are provided. The electrolyte includes a non-aqueous organic solvent; lithium salt; and an additive selected from the group consisting of the compounds represented by formulas (1) to (3), and combinations thereof: | 09-04-2008 |
20080292971 | ELECTROLYTIC SOLUTION AND BATTERY - A battery capable of improving high-temperature characteristics is provided. The battery includes a cathode, an anode and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with the electrolytic solution. A solvent of the electrolytic solution includes a main solvent such as a cyclic carbonate which includes halogen and a sub solvent such as carbonate dimer. | 11-27-2008 |
20090011340 | Organic electrolytic solution and lithium battery employing the same - An organic electrolytic solution comprising a nonaqueous solvent and a lithium salt, wherein the organic electrolytic solution comprises a compound of Formula 1 and at least one selected from compounds of Formulas 2 through 5: | 01-08-2009 |
20090017386 | Non-Aqueous Electrolytic Solutions And Electrochemical Cells Comprising The Same - Non-aqueous electrolyte solutions capable of protecting negative electrode materials such as lithium metal and carbonaceous materials in energy storage electrochemical cells (e.g., lithium metal batteries, lithium ion batteries and supercapacitors) include an electrolyte salt, a non-aqueous electrolyte solvent mixture, an unsaturated organic compound 4-methylene-1,3-dioxolan-2-one or 4,5-dimethylene-1,3-dioxolan-2-one, and other optional additives. The 1,3-dioxolan-2-ones help to form a good solid electrolyte interface on the negative electrode surface. | 01-15-2009 |
20090068564 | METHOD OF DESIGNING COMPOSITION OF LIQUID ELECTROLYTE FOR HIGH CHARGE/DISCHARGE RATE - Provided is a method of designing an electrolyte composition including a nonaqueous organic solvent mixture and a lithium salt to obtain an optimal composition ratio of components of the electrolyte composition for a high charging/high-output discharging secondary battery. The method includes: selecting components of the nonaqueous organic solvent mixture; determining composition ratio ranges of the selected components satisfying such conditions that an average dielectric constant, an average viscosity, and an average boiling point satisfy predetermined boundary values; dividing the ranges of the composition ratios into a plurality of groups; selecting a representative composition ratio of each of the groups; adding a lithium salt to a nonaqueous organic solvent mixture having the representative composition ratio to prepare an electrolyte composition; and measuring properties of the electrolyte composition to determine a composition ratio of an electrolyte composition having predetermined properties. | 03-12-2009 |
20090068565 | RECHARGEABLE LITHIUM BATTERY - The rechargeable lithium battery includes: a negative electrode including a non-carbon-based negative active material; a positive electrode including a positive active material that reversibly intercalates and deintercalates lithium ions; and an electrolyte that includes a non-aqueous organic solvent that includes ethylene carbonate in an amount of 20 volume % or less, a lithium salt including LiPF | 03-12-2009 |
20090068566 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including: a negative electrode including lithium-vanadium-based oxide, negative active material; a positive electrode including a positive active material to intercalate and deintercalate lithium ions; and an electrolyte including a non-aqueous organic solvent, and a lithium salt. The lithium salt includes 0.7 to 1.2M of a first lithium salt including LiPF6; and 0.3 to 0.8M of a second lithium salt selected from the group consisting of LiBC | 03-12-2009 |
20090123849 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present application provides a nonaqueous electrolyte secondary battery that includes, a cathode capable of being electrochemically doped/dedoped with lithium, an anode capable of being electrochemically doped/dedoped with lithium, and an electrolyte placed between the cathode and the anode, wherein the electrolyte contains at least one of fluoro ethylene carbonate represented by Chemical Formula (1) and difluoro ethylene carbonate represented by Chemical Formula (2) as a solvent and the ratio of a discharge capacity B during discharging at a 5C rate to a discharge capacity A during discharging at a 0.2C rate ((B/A)×100) is 80% or more. | 05-14-2009 |
20090191465 | POLYSILOXANE-BASED COMPOUND FOR ELECTROLYTE OF LITHIUM SECONDARY BATTERY, ORGANIC ELECTROLYTE SOLUTION INCLUDING THE POLYSILOXANE-BASED COMPOUND, AND LITHIUM BATTERY USING THE SOLUTION - An additive for an electrolyte of a lithium secondary battery, the additive including a polysiloxane-based compound represented by Formula 1 below: | 07-30-2009 |
20090197184 | NON-AQUEOUS ELECTROLYTIC SOLUTION BATTERY AND NON-AQUEOUS ELECTROLYTIC SOLUTION COMPOSITION - A non-aqueous electrolytic solution battery includes a positive electrode, a negative electrode and an electrolytic solution, wherein the non-aqueous electrolytic solution contains two kinds of halogenated cyclic carbonates containing a different halogen element from each other. | 08-06-2009 |
20090311608 | ANODE AND SECONDARY BATTERY - A secondary battery capable of improving the cycle characteristics and the voltage retention characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte. The anode includes an anode current collector, an anode active material layer formed on the anode current collector and including an anode active material containing silicon as an element, and a coat formed on the anode active material layer and having an integral structure of three-dimensional network. | 12-17-2009 |
20100124706 | SECONDARY BATTERY AND ANODE - A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. An anode active material layer contains a crystalline anode active material having silicon as an element. The anode active material layer has a coating section where the surface of an anode current collector is coated with the anode active material and a non-coating section where the surface of the anode current collector is not coated with the anode active material but is exposed. Thereby, the physical property of the anode active material is hardly deteriorated with age. Further, at the time of charge and discharge, the anode active material layer is hardly expanded and shrunk, and thus the anode current collector is hardly deformed. | 05-20-2010 |
20100124707 | SECONDARY BATTERY AND ANODE - A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode and an anode capable of inserting and extracting an electrode reactant; and an electrolyte containing a solvent and an electrolyte salt. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a plurality of crystalline anode active material particles having silicon (Si) as an element. The plurality of anode active material particles contain a spherical particle and a nonspherical particle. | 05-20-2010 |
20100159336 | Rechargeable lithium battery - A rechargeable lithium battery includes an electrolyte including an additive such as an ethylene carbonate-based compound represented by Chemical Formula 1 and a silicon-included compound, and a negative electrode including a negative active material including an active element selected from the group consisting of Si, Sn, Ga, Cd, Al, Pb, Zn, Bi, In, Mg, and Ge. | 06-24-2010 |
20100190065 | ELECTROLYTE AND SECONDARY BATTERY - 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) | 07-29-2010 |
20100196764 | ELECTROLYTE AND SECONDARY BATTERY - A secondary battery capable of achieving superior cycle characteristics, superior storage characteristics, and superior swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte containing a solvent and an electrolyte salt. The solvent contains halogenated cyclic ester carbonate. The halogenated cyclic ester carbonate is a cyclic compound that has one or more fluorine groups, one or more fluorinated alkyl groups, and a carbonyl group. | 08-05-2010 |
20100227228 | Power Storage Device - The present invention relates to a power storage device including: a positive electrode having a positive-electrode current collector, a positive-electrode active material with a plurality of first projections on the positive-electrode current collector, and a first insulator on an end of each of the plurality of first projections; a negative electrode having a negative-electrode current collector, a negative-electrode active material with a plurality of second projections on a surface of the negative-electrode current collector, and a second insulator on an end of each of the plurality of second projections; a separator between the positive electrode and the negative electrode; and an electrolyte provided in a space between the positive electrode and the negative electrode and containing carrier ions. In each of the first projections and the second projections, a ratio of the height to the width is 3 or more and 1000 or less to 1, i.e. (3 to 1000):1. | 09-09-2010 |
20100266905 | NON-AQUEOUS ELECTROLYTE LITHIUM SECONDARY BATTERY - A lithium secondary battery has a cathode made of carbon material capable of occluding or emitting a lithium ion, a cathode made of lithium-contained oxide, and a non-aqueous electrolyte. The non-aqueous electrolyte includes a lithium salt containing LiPF | 10-21-2010 |
20100297509 | LITHIUM SECONDARY BATTERY - The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume. | 11-25-2010 |
20110008681 | ELECTROLYTIC SOLUTION - There is provided an electrolytic solution causing no phase separation even at low temperatures, being excellent in flame retardancy and noncombustibility, assuring high solubility of an electrolyte salt, having a high discharge capacity, being excellent in charge-discharge cycle characteristics and being suitable for electrochemical devices such as lithium ion secondary batteries. The electrolytic solution comprises a solvent (I) for dissolving an electrolyte salt comprising a fluorine-containing ether (A) represented by the formula: Rf | 01-13-2011 |
20110091775 | LITHIUM SECONDARY BATTERY INCLUDING WATER-DISPERSIBLE BINDER, CONDUCTION AGENT, AND FLUOROETHYLENECARBONATE - The present invention relates to a lithium secondary battery. The present invention provides the lithium secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a water-dispersible binder and a conduction agent. The non-aqueous electrolyte solution includes fluoroethylenecarbonate (FEC). The batteries of the present invention are advantageous in that they have a high efficiency charging lifespan characteristic and enable high capacity charging in a short time. | 04-21-2011 |
20110165473 | NONAQUEOUS ELECTROLYTE SOLUTION SECONDARY BATTERY SEPARATOR AND NONAQUEOUS ELECTROLYTE SOLUTION SECONDARY BATTERY USING THE SAME - An object of this invention is to improve battery performance such as a rate capability of a nonaqueous electrolyte solution secondary battery using a separator constituting a thermoplastic resin-based porous film containing a filler. | 07-07-2011 |
20110200886 | NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - A non-aqueous electrolyte including a non-aqueous solvent and a solute dissolved in the non-aqueous solvent. The non-aqueous solvent includes ethylene carbonate, propylene carbonate, diethyl carbonate, and a first additive. The weight percentage W | 08-18-2011 |
20120015256 | SODIUM ION SECONDARY BATTERY - Disclosed is a sodium-ion secondary battery having excellent charge and discharge efficiencies as well as excellent charge and discharge characteristics, wherein charging and discharging can be repeated without causing problems such as deterioration in battery performance. Specifically disclosed is a sodium ion secondary battery which is provided with a positive electrode, a negative electrode having a negative electrode active material, and a nonaqueous electrolyte solution containing a nonaqueous solvent. The nonaqueous solvent is substantially composed of a saturated cyclic carbonate (excluding the use of ethylene carbonate by itself), or a mixed solvent of a saturated cyclic carbonate and a chain carbonate, and a hard carbon is used as the negative electrode active material. It is preferable that the nonaqueous solvent used for the sodium-ion secondary battery is substantially composed of propylene carbonate, a mixed solvent of ethylene carbonate and diethyl carbonate, or a mixed solvent of ethylene carbonate and propylene carbonate. | 01-19-2012 |
20120034532 | Non-Aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Comprising The Same - A non-aqueous electrolyte solution for a lithium secondary battery comprises a lithium salt and an organic solvent. The non-aqueous electrolyte solution further comprises a specific siloxane compound and a sulfonate compound. This non-aqueous electrolyte solution solves the capacity degradation phenomenon, which appears in a lithium secondary battery using a non-aqueous electrolyte solution containing only a specific siloxane compound when the lithium secondary battery is used for a long time, so this non-aqueous electrolyte solution is especially useful for high-capacity batteries. | 02-09-2012 |
20120040252 | NON-AQUEOUS LIQUID ELECTROLYTE AND NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY BATTERY USING THE SAME - A non-aqueous liquid electrolyte to be used for a non-aqueous liquid electrolyte secondary battery containing a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte. In the non-aqueous liquid electrode, the anode electrode contains an anode electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom. The non-aqueous liquid electrolyte also contains a carbonate having at least either an unsaturated bond or a halogen atom, and also contains a compound represented by formula (I) as defined herein and a saturated cyclic carbonate compound as defined herein. | 02-16-2012 |
20120045698 | NON-AQUEOUS LIQUID ELECTROLYTE AND NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY BATTERY USING THE SAME - A non-aqueous liquid electrolyte to be used for a non-aqueous liquid electrolyte secondary battery containing a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte. In the non-aqueous liquid electrode, the anode electrode contains an anode electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom. The non-aqueous liquid electrolyte also contains a carbonate having at least either an unsaturated bond or a halogen atom, and also contains a compound represented by formula (III-1) as defined herein. | 02-23-2012 |
20120064414 | PRODUCING SOLVENT MIXTURES HAVING A LOW WATER CONTENT - A process for producing a solvent mixture comprising
| 03-15-2012 |
20120094191 | LITHIUM SECONDARY BATTERY WITH ANODE CONTAINING AQUEOUS BINDER - Provided is a lithium secondary battery comprising an anode, a cathode and a non-aqueous electrolyte, wherein the anode includes an aqueous binder, and the non-aqueous electrolyte contains (a) a cyclic anhydride or a derivative thereof; and (b) any one anion receptor selected from the group consisting of a borane compound, a borate compound and mixtures thereof. According to the present invention, a stable SEI film is formed on the anode, and the life characteristics of the battery are improved by controlling the LiF content in the SEI film. | 04-19-2012 |
20120100434 | LIQUID ELECTROLYTE FOR LITHIUM ACCUMULATOR, COMPRISING A MIXTURE OF NON-AQUEOUS ORGANIC SOLVENTS - The invention related to a liquid electrolyte for a lithium battery comprising a lithium salt dissolved in a mixture of three non-aqueous organic solvents. This mixture consists of: | 04-26-2012 |
20120115041 | ELECTROCHEMICAL DEVICE HAVING ELECTROLYTE INCLUDING DISILOXANE - One example of the disiloxanes include a backbone with a first silicon and a second silicon. The first silicon is linked to a first substituent selected from a group consisting of: a first side chain that includes a cyclic carbonate moiety; a first side chain that includes a poly(alkylene oxide) moiety; and a first cross link links the disiloxane to a second siloxane and that includes a poly(alkylene oxide) moiety. In some instance, the second silicon is linked to a second substituent selected from a group consisting of: a second side chain that includes a cyclic carbonate moiety, and a second side chain that includes a poly(alkylene oxide) moiety. | 05-10-2012 |
20120115042 | NONAQUEOUS ELECTROLYTIC SOLUTIONS AND NONAQUEOUS-ELECTROLYTE BATTERIES - 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. | 05-10-2012 |
20120135314 | ELECTROLYTE ADDITIVE, ELECTROLYTE INCLUDING THE SAME AND LITHIUMSECONDARY BATTERY INCLUDING THE ELECTROLYTE. - Provided are an electrolyte additive represented by the following formula (1), an electrolyte solution containing the electrolyte additive, and a lithium secondary battery including the electrolyte solution: | 05-31-2012 |
20120141883 | Lithium-Ion Electrolytes With Improved Safety Tolerance To High Voltage Systems - The invention discloses various embodiments of electrolytes for use in lithium-ion batteries, the electrolytes having improved safety and the ability to operate with high capacity anodes and high voltage cathodes. In one embodiment there is provided an electrolyte for use in a lithium-ion battery comprising an anode and a high voltage cathode. The electrolyte has a mixture of a cyclic carbonate of ethylene carbonate (EC) or mono-fluoroethylene carbonate (FEC) co-solvent, ethyl methyl carbonate (EMC), a flame retardant additive, a lithium salt, and an electrolyte additive that improves compatibility and performance of the lithium-ion battery with a high voltage cathode. The lithium-ion battery is charged to a voltage in a range of from about 2.0 V (Volts) to about 5.0 V (Volts). | 06-07-2012 |
20120171578 | Battery having electrolyte with mixed solvent - The battery includes an electrolyte activating one or more cathodes and one or more anodes. The electrolyte includes one or more salts in a solvent. The solvent includes one or more organic solvents and one or more silanes and/or one or more siloxanes. | 07-05-2012 |
20120171579 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A non-aqueous electrolyte including a lithium salt, an organic solvent, and an electrolyte additive is provided. The electrolyte additive is a meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B). Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. A molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. A lithium secondary battery containing the non-aqueous electrolyte is further provided. The non-aqueous electrolyte of this disclosure has a higher decomposition voltage than a conventional non-aqueous electrolyte, such that the safety of the battery during overcharge or at high temperature caused by short-circuit current is improved. | 07-05-2012 |
20120183864 | NON-AQUEOUS ELECTROLYTIC SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %. | 07-19-2012 |
20120183865 | NON-AQUEOUS ELECTROLYTE FOR SECONDARY BATTERIES AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The non-aqueous electrolyte for secondary batteries includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent. The non-aqueous solvent includes a fluorine-containing cyclic carbonate, propylene carbonate, and diethyl carbonate. The content W | 07-19-2012 |
20120189920 | Non-Aqueous Electrolytic Solutions And Electrochemical Cells Comprising The Same - A lithium secondary battery having reduced swelling tendency includes an electrolytic solution. The electrolytic solution includes a lithium salt, a cyclic carbonate, a linear asymmetric carbonate, a third carbonate, a sultone and a phosphazene compound. | 07-26-2012 |
20120196190 | NON-AQUEOUS ELECTROLYTE LITHIUM SECONDARY BATTERY - A lithium secondary battery has an anode, a cathode, a separator between the anode and the cathode and a non-aqueous electrolyte. The non-aqueous electrolyte includes a lithium salt; and a non-linear carbonate-based mixed organic solvent in which (a) a cyclic carbonate compound, and (b) a propionate-based compound are mixed at a volume ratio (a:b) in the range from about 10:90 to about 70:30. The cathode has a current density in the range from about 3.5 to about 5.5 mAh/cm | 08-02-2012 |
20120202123 | Nonaqueous Electrolyte Lithium Secondary Battery - A lithium secondary battery comprises an anode capable of intercalating or disintercalating lithium ions, a cathode configured with a lithium-containing oxide, and a nonaqueous electrolyte solution. The lithium-containing oxide comprises a lithium nickel based oxide. The nonaqueous electrolyte solution comprises vinyl ethylene carbonate (VEC) and a mono-nitrile compound. This lithium secondary battery solves the deterioration of charge/discharge cycle characteristics caused by a lithium nickel based oxide used for a cathode, and also controls the decomposition reaction of electrolyte to solve the swelling phenomenon even though the battery is stored at a high temperature or charged/discharged in a fully-charged state, thereby improving high-temperature life characteristics. | 08-09-2012 |
20120282529 | NONAQUEOUS ELECTROLYTE AND ELECTROCHEMICAL ELEMENT USING THE SAME - A nonaqueous electrolytic solution capable of improving the low-temperature cycle properties, which is a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous solvent contains at least two cyclic carbonates selected from ethylene carbonate, 1,2-butylene carbonate, a cyclic carbonate having a methyl group at least at 4-position of ethylene carbonate, and a cyclic carbonate having a fluorine atom at least at 4-position of ethylene carbonate, and the content of the cyclic carbonate having a methyl group at least at 4-position of ethylene carbonate and/or the cyclic carbonate having a fluorine atom at least at 4-position of ethylene carbonate is from 1 to 40% by volume of the total volume of the nonaqueous solvent, and which contains trimethylene glycol sulfite in an amount of from 0.1 to 5% by mass, and an electrochemical element using the same. | 11-08-2012 |
20120315549 | BATTERY ELECTROLYTE SOLUTIONS CONTAINING PHOSPHORUS-SULFUR COMPOUNDS - A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus-sulfur compounds. The phosphorus-sulfur compound performs effectively as a solid-electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance. Batteries containing the electrolyte solution form robust and stable SEIs even when charged at high rates during initial formation cycles. | 12-13-2012 |
20130004859 | NONAQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - Disclosed are a nonaqueous electrolyte for a lithium secondary battery containing a hetero polycyclic compound and a lithium secondary battery using the same. | 01-03-2013 |
20130004860 | QUATERNARY AMMONIUM SALT AND COMPOSITION, AND ELECTROCHEMICAL DEVICE - A quaternary ammonium salt of the formula (1), a composition containing the quaternary ammonium salt and an organic solvent, and an electrochemical device using the salt | 01-03-2013 |
20130017455 | NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAMEAANM Deguchi; MasakiAACI HyogoAACO JPAAGP Deguchi; Masaki Hyogo JPAANM Kasamatsu; ShinjiAACI HyogoAACO JPAAGP Kasamatsu; Shinji Hyogo JP - Disclosed is a non-aqueous electrolyte including a non-aqueous solvent, and a solute dissolved in the non-aqueous solvent. The non-aqueous solvent contains ethylene carbonate (EC), propylene carbonate (PC), diethyl carbonate (DEC), and an additive. The weight percentage W | 01-17-2013 |
20130029230 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for the lithium secondary battery having flame retardancy, low negative electrode interfacial resistance, and excellent high temperature properties and life characteristics, and a lithium secondary battery including the same. An electrolyte for lithium secondary battery of the present invention may include a non-aqueous organic solvent, a lithium salt, fluorinated ether or phosphazene, and a resistance-improving additive represented as the following chemical formula (1): | 01-31-2013 |
20130029231 | NON-AQUEOUS ELECTROLYTE LITHIUM SECONDARY BATTERY - A lithium secondary battery has an anode, a cathode, a separator between the anode and the cathode and a non-aqueous electrolyte. The non-aqueous electrolyte includes a lithium salt; and a non-linear carbonate-based mixed organic solvent in which (a) a cyclic carbonate compound, and (b) a propionate-based compound are mixed at a volume ratio (a:b) in the range from about 10:90 to about 70:30. The cathode has a current density in the range from about 3.5 to about 5.5 mA/cm | 01-31-2013 |
20130052541 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - A nonaqueous electrolytic solution that provides a lithium secondary battery with excellent electrical capacity, cycling properties, storage properties and other battery characteristics and that maintains the battery characteristics for a long time; and a lithium secondary battery comprising it. A nonaqueous electrolytic solution comprising an electrolytic salt dissolved in a nonaqueous solvent, containing 0.1 to 10% by weight of an ethylene carbonate derivative represented by the general formula (I), and 0.01 to 10% by weight of (A) a triple bond-containing compound and/or (B) a pentafluorophenyloxy compound represented by the general formula (X), wherein formula (I) is: | 02-28-2013 |
20130095391 | LITHIUM ION SECONDARY BATTERY - In a lithium on secondary battery, lithium ions are reversibly absorbed to and released from a negative electrode. A positive electrode includes lithium vanadium phosphate. A non-aqueous electrolytic solution includes fluorinated carbonate as a solvent. | 04-18-2013 |
20130122377 | ELECTROLYTE SOLUTION FOR A LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are an electrolyte solution for lithium secondary battery, which includes dipentaerythritol hexaacrylate and a (meth)acrylate compound having a C | 05-16-2013 |
20130189591 | Lithium-Ion Battery - The present invention aims to improve the fire resistance of an electrolytic solution used for a lithium-ion battery and improve the life characteristics of the lithium-ion battery. In the lithium ion battery of the present invention, specific amounts of ethylene carbonate and dimethyl carbonate are used for a non-aqueous electrolytic solution, and trimethyl phosphate is added thereto. Specifically, the non-aqueous electrolytic solution contains 60 vol % or more of ethylene carbonate (EC) and dimethyl carbonate (DMC). The volume ratio of DMC to the sum of EC and DMC is 0.3 to 0.6, and the non-aqueous electrolytic solution contains 3 to 5 wt % of trimethyl phosphate (TMP) with respect to the total weight of the non-aqueous electrolytic solution. Such a non-aqueous electrolytic solution has an effect of improving the self-fire extinguishing property, and thus improves the safety of the lithium-ion battery. | 07-25-2013 |
20130224604 | ELECTROLYTE FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY INCLUDING SAME - 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. | 08-29-2013 |
20130224605 | FLUORINATED COMPOUNDS FOR USE IN LITHIUM BATTERY ELECTROLYTES - Provide are fluorinated cyclic and acyclic carbonate solvent compositions such as various fluorine substituted 1,3-dioxolane-2-one compounds and fluorine substituted 1,3-dioxane-2-one compounds, which are useful as electrolyte solvents for lithium ion batteries. | 08-29-2013 |
20130230780 | CATHODE MATERIAL FOR LITHIUM BATTERIES - A method of manufacture an article of a cathode (positive electrode) material for lithium batteries. The cathode material Is a lithium molybdenum composite transition, metal oxide material and is prepared by mixing in a solid state m intermediate molybdenum composite transition metal oxide and a lithium source. The mixture is thermally treated to obtain me lithium molybdenum composite transition metal oxide cathode material. | 09-05-2013 |
20130252113 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising a pyrimidine-based compound, a non-fluorinated solvent and a fluorinated solvent; and a lithium secondary battery using the same. | 09-26-2013 |
20130288136 | MULTI-LAYER ARTICLE COMPRISING POLYIMIDE NANOWEB - This invention provides a multi-layer article comprising a first electrode material, a second electrode material, and a porous separator disposed between and in contact with the first and the second electrode materials, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a method for preparing the multi-layer article, and an electrochemical cell employing the same. A multi-layer article comprising a polyimide nanoweb with enhanced properties is also provided. | 10-31-2013 |
20130302700 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery that has a battery element including a positive electrode member, a negative electrode member, and a non-aqueous electrolyte solution. The negative electrode member contains graphitizable carbon. With respect to 100 parts by weight of the non-aqueous electrolyte solution, fluoroethylenecarbonate is added at 0.5 parts by weight or more and 1.0 parts by weight or less, and lithium difluorobis(oxalato)phosphate is added at 0.5 parts by weight or more and 1.0 parts by weight or less, or fluoroethylenecarbonate and lithium difluorobis(oxalato)phosphate are added at 0.5 parts by weight or more and 2.0 parts by weight or less in total. | 11-14-2013 |
20130302701 | NON-AQUEOUS ELECTROLYTE FOR SECONDARY BATTERIES AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte for secondary batteries comprising a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent, the non-aqueous solvent including ethylene carbonate, propylene carbonate, and a fluorinated aromatic compound having an alkynyl group, a content W | 11-14-2013 |
20130337342 | Electrolyte Formulation for High Voltage and Wide Temperature Lithium-Ion Cells - An electrochemical cell provided with a positive electrode, a negative electrode, and an electrolyte. The positive electrode comprises a stabilized lithium metal oxide material, the lithium metal oxide material comprising one or more transition metal ions. The electrolyte is prepared by mixing ingredients comprising a solvent, a lithium salt, and a sultone. | 12-19-2013 |
20130337343 | NONAQUEOUS ELECTROLYTE FOR SECONDARY BATTERY AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY EMPLOYING THE SAME - 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. | 12-19-2013 |
20140093788 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly. | 04-03-2014 |
20140093789 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly. | 04-03-2014 |
20140106237 | LITHIUM SECONDARY BATTERY INCLUDING WATER-DISPERSIBLE BINDER, CONDUCTION AGENT, AND FLUOROETHYLENECARBONATE - The present invention relates to a lithium secondary battery. The present invention provides the lithium secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a water-dispersible binder and a conduction agent. The non-aqueous electrolyte solution includes fluoroethylenecarbonate (FEC). The batteries of the present invention are advantageous in that they have a high efficiency charging lifespan characteristic and enable high capacity charging in a short time. | 04-17-2014 |
20140134499 | GROUP IVA FUNCTIONALIZED PARTICLES AND METHODS OF USE THEREOF - Disclosed are functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells. | 05-15-2014 |
20140141342 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME - The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, wherein the electrolyte comprises an organic solvent and an electrolyte additive, represented by chemical formula 1 and mixed lithium salts in the organic solvent so that room and high temperature life-time properties of the battery can be improved. Said chemical 1 is defined in the specification. | 05-22-2014 |
20140178770 | ELECTROLYTES FOR DENDRITE-FREE ENERGY STORAGE DEVICES HAVING HIGH COULOMBIC EFFCIENCY - The Coulombic efficiency of lithium deposition/stripping can be improved while also substantially preventing lithium dendrite formation and growth using particular electrolyte compositions. Embodiments of the electrolytes include organic solvents and their mixtures to form high-quality SEI layers on the lithium anode surface and to prevent further reactions between lithium and electrolyte components. Embodiments of the disclosed electrolytes further include additives to suppress dendrite growth during charge/discharge processes. The solvent and additive can significantly improve both the Coulombic efficiency and smoothness of lithium deposition. By optimizing the electrolyte formulations, practical rechargeable lithium energy storage devices with significantly improved safety and long-term cycle life are achieved. The electrolyte can also be applied to other kinds of energy storage devices. | 06-26-2014 |
20140186721 | NON-AQUEOUS ELECTROLYTE FOR LITHIUM-ION BATTERY - An electrolyte including an alkali metal salt; a polar aprotic solvent; and a triazinane trione; wherein the electrolyte is substantially non-aqueous. | 07-03-2014 |
20140186722 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are a non-aqueous electrolyte solution including propylene carbonate (PC) and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, capacity characteristics, and swelling characteristics. | 07-03-2014 |
20140205913 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery includes a lithium salt and a non-aqueous organic solvent. The non-aqueous organic solvent includes about 1 volume % to about 40 volume % of ethylene carbonate, about 1 volume % to about 50 volume % of ethyl propionate, about 1 volume % to about 50 volume % of diethyl carbonate, and about 1 volume % to about 40 volume % of propylene carbonate. | 07-24-2014 |
20140212770 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL ELEMENT USING SAME - Disclosed are a non-aqueous electrolytic solution that exhibits excellent electrochemical characteristics over a wide temperature range, and an electrochemical device using the non-aqueous electrolytic solution. The non-aqueous electrolytic solution includes a non-aqueous solvent and an electrolyte salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolytic solution further comprises one compound represented by general formula (I): | 07-31-2014 |
20140220455 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material including a sacrificial positive active material selected from lithium nickel oxides, lithium molybdenum oxides, and combinations thereof; and a non-aqueous electrolyte, is disclosed. | 08-07-2014 |
20140234727 | NON-AQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY-STORAGE DEVICE USING SAME - A nonaqueous electrolytic solution that is capable of improving the electrochemical characteristics in a broad temperature range, and an energy storage device using the same are provided, and the nonaqueous electrolytic solution contains a nonaqueous solvent having dissolved therein an electrolyte salt, in which the nonaqueous solvent contains two or more kinds of cyclic carbonates selected from ethylene carbonate, propylene carbonate, 1,2-butylene carbonate, 2,3-butylene carbonate, 4-fluoro-1,3-dioxolan-2-one, trans- or cis-4,5-difluoro-1,3-dioxolan-2-one, vinylene carbonate, vinyl ethylene carbonate and 4-ethynyl-1,3-dioxolan-2-one, and the nonaqueous electrolytic solution further contains a cyclic acid anhydride represented by the following general formula (I) having bonded thereto a side chain that has 3 or more carbon atoms and has a double bond or a triple bond at an end thereof in an amount of from 0.01 to 10% by mass: | 08-21-2014 |
20140272604 | ELECTROLYTE SOLUTION ADDITIVE FOR LITHIUM SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE ADDITIVE - Provided is an electrolyte solution additive including lithium difluorophosphate (LiDFP), a vinylene carbonate-based compound, and a sultone-based compound. Also, a non-aqueous electrolyte solution including the electrolyte solution additive and a lithium secondary battery including the non-aqueous electrolyte solution are provided. The lithium secondary battery including the electrolyte solution additive of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and swelling characteristics. | 09-18-2014 |
20140272605 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution which includes a lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and an additive including a vinylene carbonate-based compound and a sultone-based compound, and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and capacity characteristics. | 09-18-2014 |
20140295288 | NON-AQUEOUS ORGANIC ELECTROLYTE, LITHIUM ION SECONDARY BATTERY CONTAINING NON-AQUEOUS ORGANIC ELECTROLYTE, PREPARATION METHOD OF LITHIUM ION SECONDARY BATTERY AND TERMINAL COMMUNICATION DEVICE - A non-aqueous organic electrolyte including a lithium salt; a non-aqueous organic solvent, which includes γ-butyrolactone and a saturated cyclic ester compound shown in formula (I); an unsaturated cyclic ester compound shown in formula (II); and a dinitrile compound shown in formula (III), as well as a lithium ion secondary battery comprising same, which has excellent chemical stability and electrochemical stability and other desirable properties. | 10-02-2014 |
20140315104 | Lithium Battery Electrodes Containing Lithium Oxalate - Cathodes for lithium batteries contain a lithium-manganese cathodic material and from 0.5 to 20% by weight of lithium oxalate. Batteries containing the electrodes tend to exhibit high cycling capacities. | 10-23-2014 |
20140322616 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY - A non-aqueous electrolyte solution for secondary batteries, comprising a lithium salt (total number of moles of lithium atoms: N | 10-30-2014 |
20140342241 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution, which includes a non-aqueous organic solvent including propylene carbonate (PC) and ethylene carbonate (EC), and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. | 11-20-2014 |
20140349198 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution, which includes a non-aqueous organic solvent including propylene carbonate (PC) and an ester-based solvent, and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. | 11-27-2014 |
20140356733 | ADDITIVE FOR LITHIUM BATTERY ELECTROLYTE, ORGANIC ELECTROLYTE SOLUTION INCLUDING THE SAME AND LITHIUM BATTERY USING THE ELECTROLYTE SOLUTION - Provided are an additive for a lithium battery electrolyte, wherein the additive is an ethylene carbonate based compound represented by the following Formula 1 or 2, an organic electrolyte solution including the additive, and a lithium battery including the organic electrolyte solution: | 12-04-2014 |
20140377667 | Lithium-2-Methoxy-1,1,2,2-Tetrafluoro-Ethanesulfonate and Use Thereof as Conductive Salt in Lithium-Based Energy Accumulators - The invention relates to lithium-2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate, to the use thereof as conductive salt in lithium-based energy accumulators, and ionic liquids comprising 2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate as an anion. | 12-25-2014 |
20150037690 | ELECTROLYTES FOR STABLE CYCLING OF HIGH CAPACITY LITHIUM BASED BATTERIES - Electrolytes are described with additives that provide good shelf life with improved cycling stability properties. The electrolytes can provide appropriate high voltage stability for high capacity positive electrode active materials. The core electrolyte generally can comprise from about 1.1M to about 2.5M lithium electrolyte salt and a solvent that consists essentially of fluoroethylene carbonate and/or ethylene carbonate, dimethyl carbonate and optionally no more than about 40 volume percent methyl ethyl carbonate, and wherein the lithium electrolyte salt is selected from the group consisting of LiPF | 02-05-2015 |
20150072247 | ELECTROLYTE FOR LITHIUM BATTERY, LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING ELECTROLYTE FOR LITHIUM BATTERY - An electrolyte for a lithium battery, a lithium battery including the electrolyte, and a method of preparing the electrolyte for a lithium battery. The electrolyte for a lithium battery includes a non-aqueous organic solvent; and about 0.1 wt % to about 1 wt % of lithium nitrate (LiNO | 03-12-2015 |
20150099191 | Co-solvents with High Coulombic Efficiency in Propylene Carbonate Based Electrolytes - 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. | 04-09-2015 |
20150118575 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including a negative electrode including a negative active material, a positive electrode, and an electrolyte solution including an additive, wherein the negative active material includes a Si-based material included in an amount of about 1 to about 70 wt % based on the total amount of the negative electrode, and the additive includes fluoroethylene carbonate and a compound represented by Chemical Formula 1. | 04-30-2015 |
20150118576 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery which is one example of an embodiment of the present disclosure is a non-aqueous electrolyte secondary battery including a non-aqueous electrolyte which contains a non-aqueous solvent. The non-aqueous solvent contains a fluoroethylene carbonate, a difluorobutylene carbonate, and at least one of a fluorinated chain carbonate and a fluorinated chain carboxylic acid ester, total volumetric contents of which is more than 50 percent with respect to the total volume of the non-aqueous solvent. | 04-30-2015 |
20150125759 | SOLID ELECTROLYTE INTERPHASE FILM-SUPPRESSION ADDITIVES - An energy storage device comprising:
| 05-07-2015 |
20150140444 | LITHIUM ION BATTERY - 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. | 05-21-2015 |
20150303482 | Reduction of Gassing in Lithium Titanate Cells - The field of the invention relates to the reduction of gassing in a lithium titanate cell, a method for the preparation of electrodes leading to reduced gassing, manufacturing of a titanate-based lithium cell comprising such electrodes and the manufactured electrochemical cell. The invention provides a method for the preparation of an electrode for a lithium titanate cell comprising the use of fluorine acrylic hybrid latex for the preparation of at least one electrode of an electrochemical cell. | 10-22-2015 |
20150303520 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - A nonaqueous electrolyte secondary battery according to one aspect of the present invention has a positive electrode including a positive electrode active material which absorbs and releases lithium ions, a negative electrode including a negative electrode active material which absorbs and releases lithium ions, a separator, and a nonaqueous electrolyte. The positive electrode active material includes a lithium cobalt composite oxide containing at least aluminum (Al) and magnesium (Mg), the negative electrode active material includes at least one of metal silicon (Si) and a silicon oxide represented by SiO | 10-22-2015 |
20160013516 | ELECTROLYTE AND LITHIUM ION SECONDARY BATTERY | 01-14-2016 |
20160020489 | Electrolyte for Electrochemical Energy Storage Devices - An electrolyte for an electrochemical storage device is disclosed. In one embodiment, the electrolyte includes a lithium salt from about 3% to about 20% by weight, a primary solvent from about 15% to about 25% by weight, wide-temperature co-solvents from about 14% to about 55% by weight, interface forming compounds from about 0.5% to about 2.0% by weight, and a flame retardant compound from about 6% to about 60% by weight. The electrolyte interacts with the positive and negative electrodes of the electrochemical storage device to provide both high performance and improved safety such that the electrolyte offers adequate ionic conductivity over the desired operating temperature range, a wide electrochemical stability window, high capacities for both the cathode and anode, low electrode-electrolyte interfacial resistance, and reduced flammability. | 01-21-2016 |
20160072151 | ELECTROLYTE FOR HIGH EFFICIENCY CYCLING OF SODIUM METAL AND RECHARGEABLE SODIUM-BASED BATTERIES COMPRISING THE ELECTROLYTE - Embodiments of a non-aqueous electrolyte for a rechargeable sodium (Na)-based battery comprise a sodium salt and a nonaqueous solvent, the electrolyte having a sodium salt concentration ≧2.5 M or a solvent-sodium salt mole ratio ≦4:1. Na-based rechargeable batteries including the electrolyte exhibit both high cycling stability and high coulombic efficiency (CE). Some embodiments of the disclosed batteries attain a CE≧80% within 10-30 charge-discharge cycles and maintain a CE≧80% for at least 100 charge-discharge cycles. In certain embodiments, the battery is an anode-free battery in the as-assembled initial state. | 03-10-2016 |
20160079628 | Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Containing the Same - Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same, wherein the electrolyte for a secondary battery has significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics. | 03-17-2016 |
20160079629 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a lithium ion secondary battery which exhibits excellent output characteristics and in which decline in the power characteristics is suppressed for a long period of time even after charge-discharge cycling. The lithium ion secondary battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte solution. The positive electrode has a maximum achievable potential of 4.5 V or more versus metallic lithium. The nonaqueous electrolyte solution includes (A) a nonfluorinated cyclic carbonate, (B) a fluorinated cyclic carbonate, and (C) a fluorinated acyclic carbonate. The nonfluorinated cyclic carbonate (A) accounts for more than 10% by volume of (A), (B) and (C) combined. | 03-17-2016 |
20160181659 | ELECTROLYTE SOLUTION AND LITHIUM ION BATTERY USING SAID ELECTROLYTE SOLUTION | 06-23-2016 |
20160204432 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME | 07-14-2016 |
20190148775 | LOCALIZED SUPERCONCENTRATED ELECTROLYTES FOR SILICON ANODES | 05-16-2019 |
20220140398 | Electrolytes for Low Temperature Applications - The present disclosure describes an electrolyte for an electrochemical cell comprising Solvent A selected from cyclic carbonates, Solvent Group B comprising at least four solvents, each organic solvent having a Highest Occupied Molecular Orbital (HOMO) level between about −9 eV to about −7 eV, and an energy band gap of at least about 5 eV between the HOMO and Lowest Unoccupied Molecular Orbital (LUMO). Also provided herein is an electrochemical cell comprising the electrolyte disclosed herein. | 05-05-2022 |