Abstract: A secondary battery including a cathode having a primary cathode active material and an alkaline source material selected from the group consisting of Na2O, Na2O2, Na2S, NaF, NaCl, NaBr, Li2O, Li2O2, Li2S, LiF, LiCl, LiBr, Na2O, Na2O2, Na2S, NaF, NaCl, and a mixture of any two or more thereof; an anode having an anode active material; an electrolyte; and a separator.

Abstract: In order to provide a lithium ion secondary battery having both high energy density and an excellent charge-rate characteristic, there is provided a lithium ion secondary battery including a positive electrode containing a positive electrode active material made of a lithium composite oxide, and nano-carbon having a Li ion diffusion path as an additive, and an electrolyte solution containing 0.5 mol/l or more of Li[(FSO2)2N] as an electrolyte, LiPO2F2 as an additive, and a ternary-system of ethylene carbonate (EC), dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC), as solvents.

Abstract: A supercapacitor comprising at least one cell formed of two electrodes of opposite polarity. The cell is formed from a positive electrode and a negative electrode made of activated carbon, between which an electrolyte composition is arranged comprising at least one nitrile solvent, at least one salt and also comprising at least one additive from the family of phosphazenes having at least one fluorine atom. One of the compositions comprises acetonitrile, a tetramethylammonium tetrafluoroborate salt and an additive, hexafluorocyclotriphosphazene at a concentration of 1 to 10%.

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R6 are each independently hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C2 to C10 alkenyl group, a substituted or unsubstituted C2 to C10 alkynyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, or a substituted or unsubstituted C3 to C10 cycloalkenyl group, and n is an integer of 1 to 10.

Abstract: A high energy density rechargeable (HEDR) battery employs a combined current limiter/current interrupter to prevent thermal runaway in the event of internal discharge or other disruption of the separator. The combined current limiter/current interrupter is interior to the battery.

Abstract: According to one embodiment, an active material is provided. The active material includes particles of a monoclinic niobium titanium composite oxide. The particles include primary particles. The primary particles have an average aspect ratio of 5 or more.

Abstract: 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.

Abstract: Silane functionalized ionic liquids are disclosed as a part of an electrolyte for an electrical energy storage device including an aprotic organic solvent; an alkali metal salt; an additive; and an ionic compound including an anion and cation, wherein the cation is attached to a functional group including a silane functional group according to the base Formula (I)

Abstract: A non-aqueous electrolyte secondary battery with improved cycle durability includes a power generating element including a positive electrode obtained by forming a positive electrode active material layer containing a positive electrode active material on a surface of a positive electrode current collector, a negative electrode obtained by forming a negative electrode active material layer containing a negative electrode active material on a surface of a negative electrode current collector, and a separator, a ratio of a rated capacity to a pore volume of the separator being 1.55 Ah/cc or more, a ratio of a battery area to a rated capacity being 4.0 cm2/Ah or more, and a rated capacity being 30 Ah or more, wherein a variation in porosity in the separator is 4.0% or less.

Abstract: The present invention may improve the lifetime characteristics of a lithium secondary battery, and particularly, may provide a non-aqueous electrolyte solution or cathode including a phosphate-based compound which may exhibit stable and excellent lifetime characteristics at high temperature and high voltage regardless of the moisture content or the presence of a pressing process of the electrode.

Abstract: The present invention relates to an electrolyte solution for a lithium-sulfur battery and a lithium-sulfur battery including the same. The electrolyte solution for a lithium-sulfur battery according to the present invention exhibits excellent stability, and may improve a swelling phenomenon by suppressing gas generation during lithium-sulfur battery operation.

Abstract: The present invention provides a single-phase or homogeneous solution comprising a high concentration of a salt, in particular a lithium salt, in an organic solvent. Such a high salt content in organic solvent is useful in a variety of applications including, but not limited to, in electrical energy storage devices as well as other devices that can benefit from a low-volatility liquid electrolyte.

Abstract: The teachings herein relate to a gel polymer electrolyte, manufacturing of a gel polymer electrolyte, and an electrochemical device including the gel polymer electrolyte. The present gel polymer electrolyte preferably includes a multi-component crosslinked polymer matrix; a dissociable salt; and an organic solvent. The content of the multi-component crosslinked polymer matrix preferably is 1 to 50 weight percent and preferably has a net structure formed by crosslinking at least three different kinds of cross-linkable monomers. Each of the cross-linkable monomers preferably includes at least two of the following functional groups: a carboxylic group, an acrylate group, or a cyano group. The method of manufacturing the gel polymer electrolyte preferably uses a thermal crosslinking or photo-crosslinking process.

Abstract: The present specification relates to an additive for an electrochemical device including a compound having a silyloxy group, and an electrolyte, an electrode and an electrochemical device.

Abstract: A polymer electrolyte including: a polymer matrix including a cross-linked fluorine-containing polymer; and a liquid electrolyte embedded in the polymer matrix.

Abstract: Provided is a nonaqueous electrolyte secondary battery that allows a current cutoff mechanism to operate appropriately while maintaining high battery performance. The nonaqueous electrolyte secondary battery according to the present invention includes: a battery assembly provided with a positive electrode having a positive electrode active material layer retained on a positive electrode current collector, a negative electrode and a separator; a battery case housing the electrode assembly together with a nonaqueous electrolyte; and a current cutoff mechanism. The positive electrode active material layer includes a positive electrode active material and a conductive material. A compound containing a saturated cyclic hydrocarbon group is retained in at least a portion of the conductive material. The content of the compound containing a saturated cyclic hydrocarbon group is 0.5% by mass or more based on a value of 100% by mass for the total solid content of the positive electrode active material layer.

Abstract: This invention described the preparation of a series of compounds that can be used as co-solvents, solutes or additives in non-aqueous electrolytes and their test results in various electrochemical devices. The inclusion of these novel compounds in electrolyte systems can enable rechargeable chemistries at high voltages that are otherwise impossible with state-of-the-art electrolyte technologies. These compounds are so chosen because of their beneficial effect on the interphasial chemistries formed at high potentials, such as 5.0 V class cathodes for new Li ion chemistries. The potential application of these compounds goes beyond Li ion battery technology and covers any electrochemical device that employs non-aqueous electrolytes for the benefit of high energy density resultant from high operating voltages.

Abstract: A lithium-sulfur battery cell includes a lithium anode and a carbon-sulfur cathode including a sulfur-impregnated carbon nanostructure defined by one or more layers of elementally doped nanoporous carbon arranged on one or more carbon nanotubes.

Abstract: A secondary battery includes a cathode, an anode, and an electrolytic solution. The anode or the electrolytic solution, or both contain a metal salt including an unsaturated carbon bond.

Abstract: An electrolyte for a lithium battery includes an organic solvent; and a compound represented by Formula 1: wherein, in Formula 1, X1 to X4, A1 to A4, and R1 to R4 are further defined in the specification.

Abstract: The present invention provides a sealed nonaqueous electrolyte secondary battery which is equipped with a current interrupt device that is actuated by a rise in internal pressure of a battery case and in which the current interrupt device is actuated in a speedy and stable manner during an overcharge. In the sealed nonaqueous electrolyte secondary battery, an electrode body formed by a positive electrode 10 and a negative electrode that oppose each other via a separator, an electrolyte, and an overcharge inhibitor are housed in the battery case. The positive electrode 10 includes a positive electrode current collector 12 and a positive electrode active material layer 14 which is formed on the current collector and which mainly contains a positive electrode active material. In addition, a conductive material layer 16 which mainly contains a conductive material is formed between the positive electrode active material layer 14 and the separator.

Abstract: Materials having charge-storing properties and made variously of dipyridine-fused benzoquinones of formula (1) below or derivatives thereof, dipyridine-fused benzoquinones of formula (4) below or derivatives thereof, or dipyridine-fused benzoquinone skeleton-containing polymers are provided. In the formulas, Ar1 and Ar2 are each independently a pyridine ring that forms together with two carbon atoms on a benzoquinone skeleton, or a derivative thereof. When used as electrode active materials, these charge storage materials are capable of providing high-performance batteries possessing a high capacity, high rate characteristics and high cycle characteristics.

Abstract: A separator for an electrochemical storage system, which is arrangeable between an anode and a cathode of the electrochemical storage system, is disclosed. The separator is formed from a semipermeable carrier material. The carrier material is formed from a fiberglass fleece where at least one surface side of the fiberglass fleece facing a cathode is modified in such a way that it is impermeable for an active material of the cathode. A method for the production of a separator is also disclosed.

Abstract: A problem of the present invention is to provide a liquid electrolyte for a fluoride ion battery, in which fluoride anion conductivity is imparted to an ionic liquid containing fluoride complex anions. The present invention solves the problem by providing a liquid electrolyte for a fluoride ion battery, which comprises an ionic liquid containing specific fluoride complex anions and an anion acceptor having a specific acceptor number.

Abstract: A battery includes 1) an anode, 2) a cathode, and 3) an electrolyte disposed between the anode and the cathode. The anode includes a current collector and an interfacial layer disposed over the current collector, and the interfacial layer includes an array of interconnected, protruding regions that define spaces.

Abstract: Disclosed are: a non-aqueous electrolyte for a lithium secondary battery containing 1-20 parts by weight of a cyano group-containing pyrimidine-based compound on the basis of 100 parts by weight of an organic solvent; and a lithium secondary battery comprising the same.

Abstract: A negative electrode material for a lithium ion battery according to an embodiment of the present disclosure includes graphite particles and amorphous carbon particles. The graphite particles have a median diameter (D50) A of 8.0 ?m or more and 11.0 ?m or less. A ratio A/B of the median diameter A (?m) to a median diameter (D50) B (?m) of the amorphous carbon particles satisfies a relation of 1.1<(A/B)?2.75.

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.

Abstract: A battery includes 1) an anode, 2) a cathode, and 3) an electrolyte disposed between the anode and the cathode. The anode includes a current collector and an interfacial layer disposed over the current collector, and the interfacial layer includes an array of interconnected, protruding regions that define spaces.

Abstract: Disclosed are an electrolyte for a lithium secondary battery which includes a non-aqueous solvent and a lithium salt and a lithium secondary battery including the same. The electrolyte includes 1 to 60 wt % of a cyclic carbonate and 40 to 99 wt % of a linear solvent based on a total weight of the non-aqueous solvent.

Abstract: A method for preparing a “preblend” of nano-structured carbon, such as nanotubes, fullerenes, or graphene, and a particulate solid, such as polymer beads, carbon black, graphitic particles or glassy carbon involving wet-mixing and followed by optional drying to remove the liquid medium. The preblend may be in the form of a core-shell powder material with the nano-structured carbon as the shell on the particulate solid core. The preblend may provide particularly improved dispersion of single-wall nanotubes in ethylene-?-olefin elastomer compositions, resulting in improved reinforcement from the nanotubes. The improved elastomer compositions may show simultaneous improvement in both modulus and in elongation at break. The elastomer compositions may be formed into useful rubber articles.

Abstract: Perfluoropolyether electrolytes have either one or two terminal nitrile groups and an alkali metal salt. The alkali metal salt can be a lithium salt, a sodium salt, a potassium salt, or a cesium salt. The salt can make up between 5 and 30 wt % of the electrolyte composition. Such electrolytes have shown high ionic conductivities, making them useful as lithium cell electrolytes.

Abstract: Described are electrolyte compositions having at least one salt and at least one compound selected from the group consisting of: wherein “a” is from 1 to 3; “b” is 1 or 2; 4?“a”+“b”?2; X is a halogen; R can be alkoxy or substituted alkoxy, among other moieties, and R1 is alkyl, substituted alkyl, aryl, substituted aryl, alkoxy, or substituted alkoxy. Also described are electrochemical devices that use the electrolyte composition.

Abstract: Electrode assemblies for use in electrochemical cells are provided. The negative electrode assembly includes negative electrode active material and an electrolyte chosen specifically for its useful properties in the negative electrode. Such properties include reductive stability and ability to accommodate expansion and contraction of the negative electrode active material. Similarly, the positive electrode assembly includes positive electrode active material and an electrolyte chosen specifically for its useful properties in the positive electrode. These properties include oxidative stability and the ability to prevent dissolution of transition metals used in the positive electrode active material. A third electrolyte can be used as separator between the negative electrode and the positive electrode. A cell is constructed with a cathode that includes a fluorinated electrolyte which does not penetrate into the solid-state polymer electrolyte separator between it and the lithium-based anode.

Abstract: A cathode mix for nonaqueous electrolyte secondary batteries includes a cathode active material having an olivine crystal structure, and polyvinyl pyrrolidone. Also, a nonaqueous electrolyte secondary battery includes: a cathode; an anode; and a nonaqueous electrolyte, wherein the cathode includes: a cathode active material having an olivine crystal structure; and polyvinyl pyrrolidone.

Abstract: It is an object of the present invention to provide a method for producing a secondary battery in which water in the outer package can be removed even when the secondary battery includes an electrolytic solution containing a halogen-containing compound.

Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and k2 independently represents an integer of from 0 to 2j; each of R3, R4 and R5 independently represents H or OH; and a is 0 or 1.

Abstract: The present invention relates to a nonaqueous electrolytic solution for use in a nonaqueous electrolytic solution secondary battery that comprises a negative electrode and a positive electrode capable of storing and releasing metal ions, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution contains the specific compounds (A) and (B).

Abstract: The present invention discloses a new metal cyano-substituted benzimidazolide salt having formula (I) and its preparation. This new cyano-substituted benzimidazole derivatives exhibited excellent thermal stability. The organic salt of the present invention were soluble in an alkyl carbonate solvent, such as propylene carbonate (PC), dimethyl carbonate (DMC) and ethylene carbonate (EC)/DMC cosolvent. The non-aqueous electrolyte prepared by mixing the organic metal salt of the present invention with the alkyl carbonate solvent shows high conductivity and excellent electrochemical stability. The non-aqueous electrolyte is suitable for use in primary or secondary rechargeable batteries.

Abstract: Provided is a battery having a high charging/discharging capacity density as compared with a conventional one. The battery (1) is characterized by comprising a positive electrode (2), a negative electrode (3), and an electrolytic solution interposed between the positive electrode (2) and the negative electrode (3) and formed by dissolving an electrolytic solution in a solvent, wherein the positive electrode (2) includes rubeanic acid or a rubeanic acid derivative as an active material and the solvent includes an ionic liquid. In the battery (1), it is possible to neutralize, by anions present in the ions, positive charges generated when rubeanic acid or the rubeanic acid derivative is oxidized. Therefore, rubeanic acid or the rubeanic acid derivative can take three states from an oxidant to a reductant, so that a high charging/discharging capacity density can be obtained in comparison with a conventional one.

Abstract: Disclosed are an electrolyte for a lithium secondary battery which includes a non-aqueous solvent and a lithium salt, wherein the non-aqueous solvent includes an anion receptor, a cyclic carbonate, and a linear solvent, wherein an amount of the cyclic carbonate is in a range of 1 wt % to 30 wt % based on a total weight of the non-aqueous solvent, and a lithium secondary battery including the same.

Abstract: A negative electrode active material for a lithium ion secondary battery, made up of substantially spherical graphite particles (A), having fine protrusions on the surfaces thereof and obtained by impregnating and coating substantially spherical graphite particles with a mixture of pitch and carbon black, followed by baking in a range of 900 to 1500° C. In accordance with Raman spectroscopic analysis of the particles (A) using argon laser Raman scattering light, there exists a G-band composite peak comprising peaks in the vicinity of 1600 cm?1, and 1580 cm?1, respectively, and at least one peak in the vicinity of D-band at 1380 cm?1, an interlayer distance of the lattice plane d002, obtained by wide-range X-ray diffraction, being in the range of 0.335 to 0.337 nm.

Abstract: A electrolyte for a lithium battery includes a silane/siloxane compound represented by SiR4?x?yR?xR?y, by Formula II, or Formula III: where each R is individually an alkenyl, alkynyl, alk(poly)enyl, alk(poly)ynyl, aryl; each R? is represented by; each R? is represented by Formula I-B; R1 is an organic spacer; R2 is a bond or an organic spacer; R3 is alkyl or aryl; k is 1-15; m is 1-15; n is 1 or 2; p is 1-3; x? is 1-2; and y? is 0-2.

Abstract: Disclosed herein are lithium or lithium-ion batteries that employ an aluminum or aluminum alloy current collector protected by conductive coating in combination with electrolyte containing aluminum corrosion inhibitor and a fluorinated lithium imide or methide electrolyte which exhibit surprisingly long cycle life at high temperature.

Abstract: Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures, high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics.

Abstract: A lithium air battery including a negative electrode comprising lithium, a positive electrode using oxygen as a positive active material, and an organic electrolyte including an organic compound capable of intercalating and deintercalating electrons involved in an electrochemical reaction.

Abstract: The present invention provides an electrolyte solution and a lithium ion secondary battery which maintain for a long period high battery characteristics represented by the discharge capacity retention rate after the charge/discharge cycle, and simultaneously achieve also the high safety represented by the flame retardation. The present invention provides an electrolyte solution containing a nonaqueous solvent, an electrolyte, a specific compound having a perfluoroalkyl group in the molecule, and an additive having a fluorine atom and/or a phosphorus atom in the molecule.

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the electrolyte includes a lithium salt composition including a first lithium salt; and a second lithium salt of lithium bisfluorosulfonyl imide represented by the following Chemical Formula 1 at a mole ratio of 1:0.05 to 1:1, and a non-aqueous organic solvent.

Abstract: A lithium-air cell is provided which incorporates a cathode comprised of a lithium aluminum germanium phosphate (LAGP) glass-ceramic material for facilitating an oxygen reduction reaction. The lithium-air cell further includes a lithium anode and a solid electrolyte which may be in the form of a membrane comprising LAGP glass-ceramic and/or polymer ceramic materials.

Abstract: An electrolyte solution including a non-aqueous organic solvent and a magnesium salt represented by Formula 1: wherein in Formula 1, groups CY1, CY2, A1 to A10, and variable n are defined in the specification.