Abstract: An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X1, X2, and X3 each independently represent O, S, or NR9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof.

Abstract: A battery capable of improving cycle characteristics is provided. A separator arranged between a cathode and an anode is impregnated with an electrolytic solution. The electrolytic solution includes: a solvent; and an electrolytic salt, in which the solvent includes a compound having a difluoroalkene structure. The content of the compound having a difluoroalkene structure in the solvent is within a range from 1 wt % to 5 wt % both inclusive.

Abstract: 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.

Abstract: A cathode composition is provided. The cathode composition includes at least one electroactive metal, wherein the electroactive metal is at least one selected from the group consisting of titanium, vanadium, niobium, molybdenum, nickel, iron, cobalt, chromium, manganese, silver, antimony, cadmium, tin, lead and zinc; a first alkali metal halide; an electrolyte salt comprising a reaction product of a second alkali metal halide and a metal halide, wherein the electrolyte salt has a melting point of less than about 300 degrees Centigrade; and a metal chlorosulfide compound having a formula (I) M1M2p+1SnCl4+3p-2n wherein “M1” is a metal selected from group IA of the periodic table, “M2” is a metal selected from group IIIA of the periodic table, “p” is 0 or 1, and “n” is equal to or greater than 0.5. An article and an energy storage device comprising the cathode composition is provided. A method of forming the energy storage device is provided.

Abstract: Redox flow battery systems having a supporting solution that contains Cl? ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO42? and Cl? ions can provide increased energy density and improved stability and solubility of one or more of the ionic species in the catholyte and/or anolyte. According to one example, a vanadium-based redox flow battery system is characterized by an anolyte having V2+ and V3+ in a supporting solution and a catholyte having V4+ and V5+ in a supporting solution. The supporting solution can contain Cl? ions or a mixture of SO42? and Cl? ions.

Abstract: The present invention relates to a nonaqueous electrolyte solution containing new additives and a lithium secondary battery including the same. More particularly, the invention relates to a nonaqueous electrolyte solution containing a lithium salt, an electrolyte compound, a first additive compound with an oxidation initiation potential of more than 4.2 V, and a second additive compound with an oxidation initiation potential of more than 4.2 V, which is higher in oxidation initiation potential than the first additive, and deposits oxidative products or form a polymer film, in oxidation, as well as a lithium secondary battery including the same. The present invention can provide a lithium secondary battery excellent in both the battery performance and the battery safety in overcharge by the combined use of the first additive and the second battery as additives to the nonaqueous electrolyte solution.

Abstract: A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.

Abstract: An electrolyte for an electrochemical cell and an electrochemical cell comprising such an electrolyte. The electrolyte comprises at least one conductive salt comprising lithium ions, at least one solvent and at least one wetting agent. The electrochemical cell comprises at least one anode, at least one cathode and at least one separator arranged between the at least one anode and the at least one cathode. The electrolyte may be filled between the at least one anode and the at least one cathode.

Abstract: A nonaqueous electrolyte includes: a solvent; an electrolyte salt; and an ether ester compound of the following formula (1): wherein R1 is a hydrogen group, an alkyl group, an aryl group, an alkoxy group, an ester group, or an acyl group, R2 to R4 are each independently an acyl group, a halogenated acyl group, an alkyl group, an aryl group, or a halogenated alkyl group, where at least one of R2 to R4 includes an acyl group or a halogenated acyl group.

Abstract: The present invention provides a simple method for producing a difluorophosphate from a source material, the difluorophosphate being useful as additives for nonaqueous electrolyte solutions for secondary batteries. In the method, a source material containing a carbonate and/or a borate is allowed to react with a source gas which contains P and F and which may further contain O as required. The source material may contain lithium carbonate. The source gas may be produced by decomposing LiPF6. The source gas may be produced in such a manner that LiPF6 and lithium carbonate are mixed and then subjected to reaction. The nonaqueous electrolyte solution contains the product obtained from the reaction.

Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode containing a positive-electrode active material, a negative electrode containing a negative-electrode active material, and a non-aqueous electrolyte, and is characterized in that the non-aqueous electrolyte contains 1.0 wt % or less of a compound represented by formula (1) and 2.0 wt % or less of a cyclic sulfate ester represented by formula (2), based on the total weight of the non-aqueous electrolyte. By using the non-aqueous electrolyte including a specified amount of the compound represented by formula (1) and a specified amount of the cyclic sulfate ester, when the battery is used at a low temperature after being stored at a high temperature, the increase of the internal resistance is inhibited.

Abstract: A battery including a positive electrode, a negative electrode mainly composed of sodium, and an electrolyte provided between the positive electrode and the negative electrode, the electrolyte being molten salt containing anions expressed with chemical formula (I) below and cations of metal, R1 and R2 in the chemical formula (I) above independently representing fluorine atom or fluoroalkyl group, the cations of metal containing at least one of at least one type of cations of alkali metal and at least one type of cations of alkaline-earth metal, as well as an energy system including the battery are provided.

Abstract: The present invention provides a nonaqueous electrolytic solution exhibiting excellent electrical capacity, long-term cycle property, and storage property in a charged state; and a lithium secondary battery using the nonaqueous electrolytic solution. The nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, comprises 0.001% to 5% by weight of a tin compound represented by the following general formula (I) and/or (II), on the basis of the weight of the nonaqueous electrolytic solution: R1R2R3Sn-MR4R5R6??(I) where R1 to R3 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or an aryloxy group; R4 to R6 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, or an aryl group; M represents Si or Ge; and SnX2??(II) where X represents ?-diketonate.

Abstract: Disclosed is an ion-conductive material which comprises an ionic liquid and can realize a higher level of safety. Also disclosed is an electrochemical device using the ion-conductive material. Further disclosed is a method for manufacturing an electrochemical device. An ion-conductive material comprising an ionic liquid satisfying the following conditions: the ionic liquid comprises two or more types of anion, such that at least one type thereof is an anion having a structure in which one or more electron-withdrawing groups are bonded to a central atom having one more non-covalent electron pairs; and the ionic liquid has a maximum exothermic heat-flow peak height no greater than 2 W/g as measured by DSC (measurement temperature range: ordinary temperature to 500° C., rate of temperature rise: 2° C./minute). Preferably, the ion-conductive material comprises an ionic liquid having a gross calorific value of no greater than 1000 J/g as measured by the DSC.

Abstract: A nanoparticle organic hybrid material (NOHM) containing an organic polymeric corona having a molecular weight in a range of 100-50,000 g/mol, wherein the organic polymeric corona is covalently attached to an inorganic nanoparticle core, wherein the NOHM exhibits liquid-like properties so that the NOHM moves freely and flows in a manner so that when the NOHM is in a container, the NOHM takes the shape of the container, and wherein the NOHM has a volume fraction (fc) of the inorganic particle ranging from about 0.05 to 0.75, methods of making the NOHMs, and compositions containing the NOHMs.

Abstract: An electrochemical energy generation system can include a sealed vessel that contains inside (i) at least one electrochemical cell, which has two electrodes and a reaction zone between them; (ii) a liquefied halogen reactant, such as a liquefied molecular chlorine; (iii) at least one metal halide electrolyte; and (iv) a flow circuit that can be used for delivering the halogen reactant and the electrolyte to the at least one cell. The sealed vessel can maintain an inside pressure above a liquefication pressure for the halogen reactant. Also disclosed are methods of using and methods of making for electrochemical energy generation systems.

Abstract: There is provided a lithium secondary battery which has excellent characteristics such as energy density and electromotive force and is excellent in cycle life and storage stability. An electrolyte solution for secondary battery comprising at least an aprotic solvent having an electrolyte dissolved therein and a compound represented by the general formula (1).

Abstract: A lithium ion battery is provided which contains a cathode, an anode, an electrolyte and a separator, wherein the anode employs polythiocyanogen as an active material.

Abstract: Provided is an electrolyte equipped with a hydrophilic portion having a cyclic quaternary ammonium salt and a hydrophobic portion bonded to the hydrophilic portion; and a fuel cell, a Li secondary battery, secondary battery and a primary battery using the electrolyte. The electrolyte has preferably a structure represented by the formula (A) or (B), wherein P? represents a hydrophobic portion, R1 and R2 each represents hydrogen, fluorine, a hydroxy group, or a hydrocarbon or fluorinated hydrocarbon group having from 1 to 10 carbon atoms, R3 and R4 each represents a hydrocarbon, fluorinated hydrocarbon, or a fluorocarbon group having from 1 to 10 carbon atoms, r and s each represents an integer of 0 or greater but not greater than 8 and satisfies 1?r+s?8, u represents an integer and satisfies 2?u?9, and X? represents a counter anion.

Abstract: A battery having a cathode, an anode, an electrolytic solution, and a separator is provided. An open circuit voltage per pair of cathode and anode in a perfect charging state lies within a range from 4.25V or more to 6.00V or less. The electrolytic solution contains: an additive of at least one kind selected from a group consisting of an acid anhydride and its derivative; and cyclic carbonic ester derivative having a halogen atom.

Abstract: An organic electrolytic solution including a lithium salt; an organic solvent including a high dielectric solvent and a low boiling point solvent; and an additive compound containing an electron withdrawing group and hydrocarbon-based substituents. A lithium battery using the organic electrolytic solution can have improved cycle characteristics and cycle life through preventing decomposition of the electrolyte.

Abstract: A method for producing an electrolyte solution for a lithium ion battery involving reacting a lithium halide selected from the group consisting of lithium fluoride, lithium chloride, lithium bromide, lithium iodide and a mixture of at least two of these, with phosphorus pentachloride and hydrogen fluoride in a nonaqueous organic solvent, thereby producing lithium hexafluorophosphate as an electrolyte of the electrolyte solution.

Abstract: A negative electrode active material includes lithium-titanium composite oxide porous particles having an average pore size of 50 to 500 ?.

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent. The lithium salt includes LiN(CF3SO2)2. The non-aqueous electrolyte solution further includes a sulfate-based compound and vinylene carbonate. A lithium secondary battery having the above non-aqueous electrolyte solution may keep overall high temperature performance in a high level and also improve low temperature power characteristics.

Abstract: Novel multifunctional sulfone/fluorinated ester compounds are described. These compounds may be useful as non-aqueous electrolyte solvents, specialty solvents, and starting materials and intermediates for synthesis of dyes, agricultural chemicals, and pharmaceuticals.

Abstract: Provided are an electrolyte comprising an amide compound of a specific structure, in which an alkoxy group is substituted with an amine group, and an ionizable lithium salt, and an electrochemical device containing the same. The electrolyte may have excellent thermal and chemical stability and a wide electrochemical window. Also, the electrolyte may have a sufficiently low viscosity and a high ionic conductivity, and thus, may be usefully applied as an electrolyte of electrochemical devices using various anode materials.

Abstract: A nonaqueous electrolyte includes: a nonaqueous solvent; an electrolyte salt; an imide salt; and at least one of a heteropolyacid and a heteropolyacid compound.

Abstract: The present invention provides an ionic liquid useful for a lithium secondary battery, which is excellent in performance as an electrolyte material, such that the liquid has ionic conductance and a wide potential window, and is excellent in safety, as well as an electrolyte using the same. The present invention relates to an ionic liquid including a cyanophosphate-based anion represented by the following general formula (1), and an electrolyte using the same, a lithium secondary battery, and a process for producing the ionic liquid. [Chem 1] ?P(CN)nX6-n??(1) (Wherein X is a halogen atom and n is an integer of 1 to 6.

Abstract: A nonaqueous electrolyte includes: a nonaqueous solvent; an electrolyte salt; a hydrocarbon compound having a nitrile group; and at least one of a heteropolyacid and a heteropolyacid compound.

Abstract: The present invention provides a simple method for producing a difluorophosphate from a source material, the difluorophosphate being useful as additives for nonaqueous electrolyte solutions for secondary batteries. In the method, a source material containing a carbonate and/or a borate is allowed to react with a source gas which contains P and F and which may further contain O as required. The source material may contain lithium carbonate. The source gas may be produced by decomposing LiPF6. The source gas may be produced in such a manner that LiPF6 and lithium carbonate are mixed and then subjected to reaction. The nonaqueous electrolyte solution contains the product obtained from the reaction.

Abstract: Compounds may have general Formula I, II, or III: where R1, R2, R3, and R4 are independently H, F, Cl, Br, CN, NO2, a alkyl group, a haloalkyl group, a phosphate group, a polyether group; or R1 and R2, or R3 and R4, or R2 and R3 (in the case of Formula II) may join together to form a fused ring on the benzene ring; and X and Z are independently a group of Formula A: where R5 and R6 and R7 are independently H, F, Cl, Br, CN, NO2, a alkyl group, a haloalkyl group, a phosphate group, or a polyether group; R7 is H, F, Cl, Br, CN, NO2, a alkyl group, a haloalkyl group, a phosphate group, or a polyether group; n is an integer from 1 to 8; and m is an integer from 1 to 13. Such compounds may be used as redox shuttles in electrolytes for use in electrochemical cells, batteries and electronic devices.

Abstract: A compound has general Formula I, II, III, or IV: where X and Y are independently a group of Formula (A): and Z a group of Formula (B): The compounds may be used in electrolytes and electrochemical devices.

Abstract: An electrolyte includes a polar aprotic solvent; an alkali metal salt; and an electrode stabilizing compound that is a monomer, which when polymerized forms an electrically conductive polymer. The electrode stabilizing compound is a thiophene, a imidazole, a anilines, a benzene, a azulene, a carbazole, or a thiol. Electrochemical devices may incorporate such electrolytes.

Abstract: The present invention relates to non-aqueous electrolytes having stabilization additives and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, a first additive that is a substituted or unsubstituted organoamine, substituted or unsubstituted alkane, substituted or unsubstituted alkene, or substituted or unsubstituted aryl compound, and/or a second additive that is a metal (chelato)borate. When used in electrochemical devices with, e.g., lithium manganese oxide spinel electrodes, the new electrolytes provide batteries with improved calendar and cycle life.

Abstract: A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS2) and carbon particles. The electrolyte comprises a lithium salt dissolved in a nonaqueous solvent mixture which contains an additive, preferably iodine, suppressing voltage delay. A cathode slurry is prepared comprising iron disulfide powder, carbon, binder, and liquid solvent. The mixture is coated onto a conductive substrate and solvent evaporated leaving a dry cathode coating on the substrate. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.

Abstract: Disclosed herein is a hybrid battery using an electrochemically stable electrolyte composition and electrodes suitable for use in the electrolyte composition. The hybrid battery is non-toxic and highly stable, and has improved high-current charge/discharge characteristics. The hybrid battery comprises an electrode unit consisting of an anode and a cathode, a separator for electrically separating the anode and the cathode, and an electrolyte filled in a space between the anode and the cathode so as to form an electric double layer on surfaces of the anode and cathode when a voltage is applied wherein the electrolyte contains a mixture of a lithium salt, an ammonium salt and a pyrrolidinium salt as solutes in a carbonate-based solvent so that the solute mixture has a concentration of 1.0-2.5 mol/L.

Abstract: A nonaqueous electrolytic solution includes: a solvent, an electrolyte salt, a polyacid and/or a polyacid compound, and a monofluorophosphate and/or a difluorophosphate.

Abstract: 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: wherein R1 a C1˜C10 alkoxy group, wherein R2 and R3 are independently unsubstituted C1˜C5 alkyl group or C1˜C5 alkyl group substituted with halogen atom, wherein n is an integer between 1 and 6.

Abstract: A non-aqueous electrolyte secondary battery has a high initial capacity and excels in cycle characteristics and storage characteristics even when charged until the potential of the positive electrode active material exceeds as high as 4.3V versus lithium. The non-aqueous electrolyte of the secondary battery contains both 1,3-dioxane and a sulfonic acid ester compound.

Abstract: Organic electrolytic solutions and lithium batteries using the organic electrolytic solutions are provided. One organic electrolytic solution includes a lithium salt, a mixed organic solvent consisting of a high-dielectric constant solvent and a low-boiling point solvent, and a compound represented by Formula 1 or 2 as an additive. The organic electrolytic solution and the lithium battery using the organic electrolytic solution may inhibit the reductive cleavage reaction of a polar solvent, thereby increasing capacity retention of the battery, and improving charge-discharge efficiency and battery lifetime.

Abstract: The described invention relates to primary and secondary electrochemical energy storage systems, particularly to such systems as battery cells, which use materials that take up and release ions as a means of storing and supplying electrical energy, and methods of fabrication thereof.

Abstract: An electrolyte for a lithium ion secondary battery and a lithium ion secondary battery comprising the electrolyte. The electrolyte comprises a non-aqueous organic solvent, a lithium salt, and at least one aromatic phosphate compound. Exothermic reactions are inhibited in the battery upon overcharge or during high-temperature storage to prevent an increase in the temperature of the battery, resulting in an improvement in safety. In addition, the battery exhibits good swelling stability during high-temperature storage as well as improved cycle life characteristics. The electrolyte further comprises an ethylene carbonate-based compound. The presence of the ethylene carbonate-based compound leads to further improvements in the overcharge safety, high-temperature safety and cycle life characteristics of the battery.

Abstract: A non-aqueous electrolyte solution having a large capacity, exhibits high storage characteristics and cycle characteristics, and is capable if inhibiting gas generation. The non-aqueous electrolyte solution contains a lithium salt and a non-aqueous solvent, and a cyclic carbonate compound having an unsaturated bond in a concentration of 0.01 weight % or higher and 8 weight % or lower; and a compound expressed by a formula (IIb) in a concentration of 0.01 weight % or higher and 5 weight % or lower: wherein Z5 represents an integer of 2 or larger, X5 represents a linkage group comprising one or more atoms selected from the group consisting of a carbon atom, a hydrogen atom, a fluorine atom and an oxygen atom, and the fluoro sulfonyl group is bound to a carbon atom of the linkage group.

Abstract: Battery-operated device, having an electrically operated functional unit and an electrochemical voltage source, which are housed together in an essentially gas-tight device housing, the electrochemical voltage source having an electrolyte based on an ionic liquid and a coating-free plastic battery housing.

Abstract: A non-aqueous electrolyte secondary battery which includes a non-aqueous electrolyte solution containing a non-aqueous solvent and an electrolyte, at least two types of lithium salts with an oxalato complex as an anion are contained in the non-aqueous electrolyte solution. The two types of lithium salts are, as an example, lithium bis(oxalate)borate (Li[B(C2O4)2]) and lithium difluoro(bisoxalato)phosphate (Li[PF2(C2O4)2]).

Abstract: A non-aqueous electrolyte secondary battery of this invention includes a positive electrode including a positive electrode mixture, a negative electrode including a negative electrode mixture, and a non-aqueous electrolyte. The negative electrode mixture includes a material capable of absorbing and desorbing Li and a carbon material. The material capable of absorbing and desorbing Li includes at least one element selected from the group consisting of Si and Sn, and the amount of the carbon material is 3 to 60% by weight of the negative electrode mixture. At least one of the positive electrode, the negative electrode, and the non-aqueous electrolyte contains a lithium perfluoroalkylsulfonyl imide represented by the following general formula (1): LiN(CmF2m+1SO2)(CnF2n+1SO2)??(1) where m and n each represent an integer of 1 to 5 and may be m=n. The ratio of the weight of the lithium perfluoroalkylsulfonyl imide to the weight of the carbon material is 10?3 to 10.

Abstract: A metal halogen electrochemical energy cell system that generates an electrical potential. One embodiment of the system includes at least one cell including at least one positive electrode and at least one negative electrode, at least one electrolyte, a mixing venturi that mixes the electrolyte with a halogen reactant, and a circulation pump that conveys the electrolyte mixed with the halogen reactant through the positive electrode and across the metal electrode. Preferably, the positive electrode comprises porous carbonaceous material, the negative electrode comprises zinc, the metal comprises zinc, the halogen comprises chlorine, the electrolyte comprises an aqueous zinc-chloride electrolyte, and the halogen reactant comprises a chlorine reactant. Also, variations of the system and a method of operation for the systems.

Abstract: An electrolyte composition including a detectable contrast agent and an electrochemical cell including the electrolyte composition, wherein the contrast agent allows for detection of spillage or leakage of electrolyte during or after cell construction. In some embodiments, the contrast agent is able to change the color intensity of the electrolyte composition over time after addition to the cell. Methods for detecting spillage or leakage of the contrast agent-containing electrolyte composition during cell construction are disclosed.

Abstract: A positive electrode material is provided which is a blended combination of lithium nickel cobalt oxide (and aluminum substituted compounds thereof) and lithium nickel manganese cobalt oxide. Also provided Is a non-aqueous electrolyte lithium secondary battery having high specific capacity and good thermal stability characteristics.

Abstract: A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1): Rf(CH2CF2)m—(CH2)nSO3M??(1) wherein Rf is a C1 to C4 linear or branched perfluoroalkyl group, m is an integer of from 1 to 6, n is from 0 to 4, M is H, NH4, Li, Na or K, and a method of altering the surface behavior of a liquid comprising adding to the liquid the composition of a compound of formula (1).