Abstract: The present invention provides a polymer electrolyte for a secondary battery, which may secure high ionic conductivity and mechanical strength, and a lithium secondary battery including the same.

Abstract: A material can have a layered structure with at least a first layer, including a carbon-based material or a substrate of a material other than a carbon-based material, a second layer, including a carbon-based material, and a third, intermediate layer that separates and interconnects the first and second layers. The carbon-based material includes at least 50 at. % carbon, has a hexagonal lattice and the layer or layers including the carbon-based material has/have a thickness of 1-20 times the size of a carbon atom. The intermediate layer is a layer that includes a salt having ions that include at least two separate cyclic, planar groups that are capable of forming ?-?-stacking with the material of the second layer and that the third, intermediate layer is connected to at least the second layer by ?-?-stacking caused by said cyclic planar groups of the salt ions.

Abstract: High-surface area carbon nanotubes having targeted, or selective, oxidation levels and/or content on the interior and exterior of the tube walls are claimed. Such carbon nanotubes can have little to no inner tube surface oxidation, or differing amounts and/or types of oxidation between the tubes' inner and outer surfaces. Additionally, such high-surface area carbon nanotubes may have greater lengths and diameters, creating useful mechanical, electrical, and thermal properties.

Abstract: An electrolyte for use in an energy storage apparatus includes: a metal halide-based electrolytic solution arranged to electrically connect a cathode and an anode of the energy storage apparatus during an operation of charging and discharging cycle. The electrolytic solution includes a first metal halide arranged to prevent a dissolution of the cathode and/or a formation of dendrites on the anode during the operation of charging and discharging cycle, thereby maintaining cyclic stability of the energy storage apparatus.

Abstract: In some variations, a hydrogen-storage material formulation comprises: a solid hydrogen-storage material containing at least one metal and hydrogen that is bonded with the metal; and a liquid electrolyte that is ionically conductive for at least one ion derived from the hydrogen-storage material. The liquid electrolyte may be from 5 wt % to about 20 wt % of the hydrogen-storage material formulation, for example. Many materials are possible for both the hydrogen-storage material as well as the liquid electrolyte. The hydrogen-storage material has a higher hydrogen evolution rate in the presence of the liquid electrolyte compared to a hydrogen-storage material without the liquid electrolyte. This is experimentally demonstrated with a destabilized metal hydride, MgH2/Si system, incorporating a LiI—KI—CsI ternary eutectic salt as the liquid electrolyte. Inclusion of the liquid electrolyte gives a ten-fold increase in H2 evolution rate at 250° C., reaching 3.5 wt % hydrogen released in only 7 hours.

Abstract: The resin composition for encapsulating semiconductor of the present invention is a resin composition for encapsulating semiconductor including an epoxy resin, a curing agent, an inorganic filler, and carbon black fine particles, in which when the resin composition for encapsulating semiconductor is injection-molded to have a length of 80 mm, a width of 10 mm and a thickness of 4 mm under conditions of a mold temperature of 175° C., an injection pressure of 10 MPa, and a curing time of 120 seconds, and then heated at 175° C. for 4 hours to obtain a cured product, and then a surface of the obtained cured product is observed with a fluorescence microscope, a maximum particle diameter of aggregates of the carbon black fine particles is 50 ?m or less.

Abstract: A plurality of unit cells is stacked on each other in a secondary battery, and each of the plurality of unit cells includes first and second collector layers, which are spaced apart from each other, and a 3-dimensional (“3D”) electrode structure provided between the first and second collector layers and having an outer side surface that is externally exposed and insulated, wherein, in the plurality of unit cells, the first collector layers are stacked to face each other and the second collector layers are stacked to face each other.

Abstract: An electrolytic capacitor includes an anode body having a dielectric layer; a solid electrolyte layer in contact with the dielectric layer of the anode body; and an electrolytic solution. The electrolytic solution contains a solvent and a solute. The solvent contains a glycol compound. The solute contains an acid component. The acid component contains a first aromatic compound having a hydroxyl group. A proportion of the first aromatic compound in the acid component ranges from 30% by mass to 100% by mass, inclusive.

Abstract: The invention relates to a pulp paper for flexible film zinc-manganese battery, which comprises a base paper with only one layer and slurry coated on both sides which comprises modified starch, polyelectrolyte, water retaining agent, organic/inorganic composite corrosion inhibitor, and electrolytes wherein the polyelectrolyte is one or more of polyglutamic acid, sodium polyglutamate, potassium polyglutamate, polyaspartic acid, sodium polyaspartate and sodium polyaspartate, and the water retaining agent is a sodium salt or a potassium salt of hyaluronic acid. The pulp paper in the invention has the advantages of thin layer, simple composition, fast absorption speed, large liquid absorption capacity, good liquid-retaining ability, good ionic conductivity and low wet resistance which boosts good application value in the field of flexible battery technology.

Abstract: Battery electrolytes comprising: (a) a solvent suitable for use in a battery electrolyte such as an organic liquid solvent or an ionic liquid; (b) a lithium ion or sodium ion salt suitable for use in a battery electrolyte; and (c) a dispersion of nanoparticles of carbon, metal or metalloid oxides or hydroxides, carbides, nitrides, sulfides, graphene or MXene particles; or a combination thereof. The present invention is also directed to battery cells and batteries comprising these electrolytes and devices comprising these battery cells and batteries.

Abstract: A composite anode active material includes a composite medium, the composite medium including a first medium block including a metal nanostructure capable of intercalation or deintercalation of lithium and a conductive medium disposed on the metal nanostructure; and a second medium block, disposed adjacent to the first medium block and including a medium which is free of the metal nanostructure.

Abstract: The present specification provides an electrolyte including a phthalate phosphine-type anion, an additive for a secondary battery including the electrolyte, and a secondary battery including the additive.

Abstract: Disclosed is an electrolyte for nonaqueous electrolyte cells, which contains a nonaqueous organic solvent and a solute. This electrolyte is characterized by containing as additives at least one compound selected from a first compound group consisting of bis(oxalato)borate, difluoro(oxalato)borate, tris(oxalato)phosphate, difluorobis(oxalato)phosphate, and tetrafluoro(oxalato)phosphate, and at least one compound selected from a second compound group consisting of a sulfonate group-containing imide salt, which is represented by the general formula M[R1OSO2NSO2OR2]n, and a phosphoryl group-containing imide salt, which is represented by the general formula M[R3R4OPNPOR5R6]m. This electrolyte provides nonaqueous electrolyte cells with high-temperature durability without causing swelling and performance deterioration of batteries.

Abstract: Aspects of the present disclosure include methods of charging secondary lithium metal batteries that include selectively and intentionally overcharging the battery to activate redox shuttling additives in order to reactivate dead lithium. Aspects of the present disclosure also include control systems for determining when to initiate a lithium reactivation charging process and for determining one or more parameters of a lithium reactivation charging protocol.

Abstract: Methods compositions for controlling lithium-ion cell performance, using thermally responsive electrolytes incorporating compounds that exhibit a phase transition at elevated temperatures and are suited for incorporation into lithium-ion and lithium-metal cells are disclosed.

Abstract: Disclosed embodiments concern a membrane electrode assembly or a proton exchange membrane fuel cell comprising a phosphoric acid-doped polymeric membrane comprising a cationic functional group, such as an assembly or fuel cell having an ion exchange capacity of 0.8 to 3 mmol/gram and an operating temperature range of from 80° C. to 220° C. The cationic functional group can be any suitable functional group, such as ammonium, imidazolium, guanidinium, phosphazenium, sulfonium, oxonium, and phosphonium, with working embodiments typically using quaternary ammonium cationic functional groups tethered to the polymeric core. The polymeric material may be any suitable polymeric material, such as a material selected from polyaryl polymers, polyarylamides, polyimides, polystyrenes, polysulfones, polyethers, polyether sulfones, polyketones, polyetherketones, polyarylethers, polyolefins, and polynitriles.

Abstract: An electrolyte membrane for an energy storage device, an energy storage device including: a matrix including an ionically conductive polymer composition including a polymer and a lithium salt; and a metal-organic framework in the matrix, wherein the metal-organic frame work is in the form of a plurality of primary particles, each having diameter distribution represented by Inequation 1: 0<?2/?<1.0??Inequation 1 wherein, in Inequiation 1, ?2 is a diameter variance for the plurality of primary particles obtained by dynamic laser scattering, and ? is an average particle diameter of the plurality of primary particles.

Abstract: A polymer compound is formed by condensing a polyacrylic acid, a polyfunctional amine represented by the following general formula (1), and an aromatic monoamine. A chain structure constituted by the polyacrylic acid has free carboxyl groups and carboxyl groups to which the aromatic monoamines are bonded. Y is a straight-chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom. R1 and R2 are each independently one or more hydrogen atoms, a methyl group, an ethyl group, a trifluoromethyl group, or a methoxy group.

Abstract: Provided herein are functionally substituted fluoropolymers suitable for use in liquid and solid non-flammable electrolyte compositions. The functionally substituted fluoropolymers include perfluoropolyethers (PFPEs) having high ionic conductivity. Also provided are non-flammable electrolyte compositions including functionally substituted PFPEs and alkali-metal ion batteries including the non-flammable electrolyte compositions.

Abstract: Provided is a nonaqueous electrolyte secondary battery with better battery performance than in the past, by forming an SEI coat with very little non-uniformity on the surface of the negative electrode active material layer. The invention provides a nonaqueous electrolyte secondary battery in which an electrode assembly including a positive electrode, a separator, and a negative electrode, and a nonaqueous electrolyte are contained in a battery case. In this secondary battery, the nonaqueous electrolyte contains a crown ether that forms a complex with a sodium ion, and the negative electrode includes a negative current collector, a negative electrode active material layer containing a negative electrode active material formed on the surface of the current collector, and a coat including an oxalato complex structure and provided on at least part of the surface of the negative electrode active material layer.

Abstract: A non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte, which further contains a combination of a nitrile compound and an S?O group-containing compound (or a dinitrile compound) in an amount of 0.001 to 10 wt. % imparts improved cycle performance and storage property to a lithium battery, particularly a lithium secondary battery.

Abstract: An electrolyte containing a non-aqueous solvent, a lithium salt (A) and at least one compound (B) selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2) and a compound having a constitutional unit represented by the following formula (3a) and a constitutional unit represented by the following formula (3b).

Abstract: An electrolyte containing a non-aqueous solvent, a lithium salt (A) and at least one compound (B) selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2) and a compound having a constitutional unit represented by the following formula (3a) and a constitutional unit represented by the following formula (3b).

Abstract: A polymer electrolyte for a lithium battery, wherein the polymer electrolyte includes a polymerization product of a lithium ion conductive compound including an ethylenically unsaturated bond, a lithium ion conductive unit, and an ion-exchangeable functional group; and a heteroatom-containing ionic liquid polymerizable with the lithium ion conductive compound.

Abstract: A battery assembly including: at least one rechargeable lithium battery including a negative electrode including a silicon-containing negative active material selected from silicon, a silicon-carbon composite, and a combination thereof, and a positive electrode including a positive active material; a circuit board electrically connected to the battery assembly; and an outer terminal electrically connecting the battery assembly to an outer power or an outer load, wherein the circuit board includes a charge/discharge element for charging and discharging the battery assembly and a charge/discharge controller electrically connected to the battery assembly and the charge/discharge element, wherein the charge/discharge controller controls the charge and discharge of the battery assembly, and wherein a discharge cut-off voltage of the charge/discharge controller is predetermined as a voltage when LixSi present in the negative electrode during the discharge has an x value of less than or equal to about 1.25.

Abstract: An electrolyte structure includes a metal organic framework (MOF) material defining a plurality of pores. Anions are bound to respective metal atoms of the MOF material. The bound anions are located within each of the plurality of pores of the MOF material. Solvated cations are present within each of the plurality of pores.

Abstract: Provided is an electrolytic solution including a nonaqueous solvent and an alkali metal salt. The alkali metal salt is dissolved in the nonaqueous solvent. The nonaqueous solvent contains a perfluoropolyether and a fluorinated phosphate. Also provided is a battery including the electrolytic solution, a positive electrode containing a positive electrode active material that can occlude and release an alkali metal cation, and a negative electrode containing a negative electrode active material that can occlude and release the alkali metal cation.

Abstract: Disclosed is a method for the selective catalytic reduction of NOx in waste/exhaust gas by using ammonia provides by heating one or more salts of formula Ma(NH3)nXz, wherein M represents one or more cations selected from alkaline earth metals and transition metals, X represents one or more anions, a represents the number of cations per salt molecule, z represents the number of anions per salt molecule, and n is a number of from 2 to 12, the one or more salts having been compressed to a bulk density above 70% of the skeleton density before use thereof.

Abstract: A nonaqueous electrolyte composition includes an electrolyte salt, a nonaqueous solvent, a matrix polymer, and a ceramic powder, wherein the ceramic powder has an average particle size of 0.1 to 2.5 ?m and a BET specific surface area of 0.5 to 11 m2/g.

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 rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C1 to C10 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, or a substituted or unsubstituted C2 to C30 heteroarylene group.

Abstract: The present invention relates to a cable-type secondary battery comprising a polymer electrolyte having a first electrolyte layer comprising a mixture of a first polymer and a first organic electrolyte solution in a weight ratio of 50:50 and 80:20; and a second electrolyte layer formed on at least one surface of the first electrolyte layer and comprising a mixture of a second polymer and a second organic electrolyte solution in a weight ratio of 20:80 and 50:50. Since the multiple-layered polymer electrode film of the present invention exhibits good characteristics in terms of both mechanical property and ionic conductivity, the cable-type secondary battery comprising the same according to the present invention has superior battery performances and flexibility, as well as good strength for withstanding external impact.

Abstract: An electrolytic solution and a battery capable of improving cycle characteristics are provided. A separator is impregnated with an electrolytic solution. The electrolytic solution includes a cyclic carbonate derivative having a halogen atom such as 4-fluoro-1,3-dioxolane-2-one or 4-chloro-1,3-dioxolane-2-one and a cyclic imide salt such as 1,1,2,2,3,3-hexafluoropropane-1,3-disulfonimide lithium. Thereby, the decomposition reaction of the electrolytic solution can be inhibited, and the cycle characteristics can be improved.

Abstract: An electrode for all-solid-state secondary batteries, which is capable of improving the high-temperature cycle characteristics of an all-solid-state secondary battery, includes a collector, a conductive adhesive layer and an electrode mixture layer. The electrode mixture layer contains a binder, an inorganic solid electrolyte that contains sulfur atoms, and an electrode active material. The conductive adhesive layer contains conductive particles and a binder for adhesive layers, the binder being composed of a diene polymer. The diene polymer contains 10-75% by mass of a diene monomer unit, and has an iodine number of 5-350 mg/100 mg. The sulfur atoms contained in the inorganic solid electrolyte and carbon-carbon double bonds of the diene polymer are crosslinked with each other.

Abstract: A hydrophilic cross-linked polymer obtainable by copolymerisation of hydrophobic and hydrophilic monomers that give a cross-linked hydrophilic polymer on polymerisation; a monomer including a strongly ionic group; and water is useful as the membrane in an assembly that can be used in an electrolyter or fuel cell. More generally, a membrane electrode assembly comprises electrodes and an ion-exchange membrane which comprises a hydrophilic polymer including a strongly ionic group. A method for producing a membrane electrode assembly comprising electrodes and an ion-exchange membrane, comprises introducing between the electrodes a material or materials from which the membrane can be formed, and forming the membrane in situ.

Abstract: An electrochromic device including a substrate, an electrolyte placed between a first optically-active electrochromic electrode and a second optically-passive electrochromic electrode, and a quantity X of cations. The first electrode is capable of storing a quantity of cations equal to Y while the second electrode is capable of storing a quantity of cations equal to Z. The first electrode and the second electrode are respectively associated with a first current collector and with a second current collector. The device includes a quantity of cations X such that Y<X<0.30 Z.

Abstract: An electrolyte electrochemical device includes an anodic material and an electrolyte, the electrolyte including an organosilicon solvent, a salt, and a hybrid additiving having a first and a second compound, the hybrid additive configured to form a solid electrolyte interphase film on the anodic material upon application of a potential to the electrochemical device.

Abstract: Batteries, separators, battery packs, electronic devices, electromotive vehicles, power storage apparatus, and electric power systems are provided. In one embodiment, a battery includes a positive electrode, a negative electrode, and an electrolytic solution holding layer between the positive electrode and the negative electrode. The electrolytic solution holding layer includes a porous polymer compound, and an electrolytic solution is held in the porous polymer compound. The porous polymer compound includes a vinylidene fluoride polymer selected from the group consisting of (1) a vinylidene fluoride homopolymer and (2) a copolymer including a vinylidene fluoride monomer unit and a hexafluoropropylene monomer unit. The average molecular weight of the vinylidene fluoride polymer is 500,000 or more to less than 1.5 million, and the air permeability of the porous polymer compound is 500 seconds/100 cc or less.

Abstract: An electrolyte solution for a rechargeable lithium battery, including a lithium salt, a non-aqueous organic solvent, and an additive including fluoroethylene carbonate, a vinyl-containing carbonate, a substituted or unsubstituted C2 to C10 cyclic sulfate, and a nitrile-based compound represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R may be a substituted or unsubstituted C1 to C20 alkylene group.

Abstract: Provided are electrochemical cells and electrolytes used to build such cells. The electrolytes include imide salts and/or methide salts as well as fluorinated solvents capable of maintaining single phase solutions at between about ?30° C. to about 80° C. The fluorinated solvents, such as fluorinated carbonates, fluorinated esters, and fluorinated esters, are less flammable than their non-fluorinated counterparts and improve safety characteristics of cells containing these solvents. The amount of fluorinated solvents in electrolytes may be between about 30% and 80% by weight not accounting weight of the salts. Linear and cyclic imide salts, such as LiN(SO2CF2CF3)2, and LiN(SO2CF3)2, as well as methide salts, such as LiC(SO2CF3)3 and LiC(SO2CF2CF3)3, may be used in these electrolytes. Fluorinated alkyl groups enhance solubility of these salts in the fluorinated solvents. In some embodiments, the electrolyte may also include a flame retardant, such as a phosphazene, and/or one or more ionic liquids.

Abstract: According to the method for producing bis(fluorosulfonyl)imide salt of the present invention, the method for producing fluorosulfate, and the method for producing bis(fluorosulfonyl)imide onium salt, first, an aqueous solution is prepared by dissolving a mixed liquid containing bis(fluorosulfonyl)imide and fluorosulfonic acid in water. Then, the aqueous solution is neutralized with an alkaline compound, producing bis(fluorosulfonyl)imide salt and fluorosulfate. In the methods, bis(fluorosulfonyl)imide salt, fluorosulfate, and bis(fluorosulfonyl)imide onium salt can be obtained safely and easily.

Abstract: Provided is a nonaqueous electrolyte secondary battery which, even in the case of using a low-viscosity solvent having a narrow potential window, can increase the electrochemical stability of the nonaqueous electrolyte solution and suppress side reactions of the nonaqueous electrolyte solution during charge and discharge to reduce the degradation of the battery characteristics and has an excellent storage characteristic in high-temperature environments and a nonaqueous electrolyte solution for the nonaqueous electrolyte secondary battery.

Abstract: The present disclosure relates to an electrolyte for a lithium secondary battery capable of improving safety and reliability of the lithium secondary battery and a lithium secondary battery comprising the electrolyte. The electrolyte for a lithium secondary battery of the present embodiments comprises a non-aqueous organic solvent, a lithium salt, flame retarding materials of fluoroalkyl ether and phosphazene, and a solvent comprising at least one ester.

Abstract: Disclosed is an electrochemical device comprising a cathode having a complex formed between a surface of a cathode active material and an aliphatic di-nitrile compound; and a non-aqueous electrolyte containing 1-10 wt % of a compound of Formula 1 or its decomposition product based on the weight of the electrolyte.

Abstract: Provided is a secondary battery exhibiting excellent durability. Also disclosed is an electrolyte possessing a porous particle, an ionic liquid and a supporting electrolyte salt, wherein the electrolyte has a dynamic elastic modulus of at least 105 Pa.

Abstract: A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein an open circuit voltage in a completely charged state per pair of a positive electrode and a negative electrode is from 4.25 to 6.

Abstract: A polymer electrolyte including: a lithium salt; an organic solvent; a fluorine compound; and a polymer of a monomer represented by Formula 1 below. H2C?C—(OR)n—OCH?CH2??Formula 1 In Formula 1, R is a C2-C10 alkylene group, and n is in a range of about 1 to about 1000.

Abstract: Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product.

Abstract: A nonaqueous electrolytic solution that can provide a battery that is low in gas generation, has a large capacity, and is excellent in storage characteristics and cycle characteristics contains an electrolyte and a nonaqueous solvent dissolving the electrolyte and further contains 0.001 vol % or more and less than 1 vol % of a compound represented by Formula (1) in the nonaqueous solvent. Alternatively, the nonaqueous electrolytic solution contains 0.001 vol % or more and less than 5 vol % of a compound represented by Formula (1) in the nonaqueous solvent and further contains at least one compound selected from the group consisting of cyclic carbonate compounds having carbon-carbon unsaturated bonds, cyclic carbonate compounds having fluorine atoms, monofluorophosphates, and difluorophosphates. In Formula (1), R1 to R3 each independently represent an alkyl group of 1 to 12 carbon atoms, which may be substituted by a halogen atom; and n represents an integer of 0 to 6.

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt, a silylborate-based compound, an anhydride component, and a non-aqueous organic solvent.