Abstract: The present invention provides a lithium ion battery and an electrolyte thereof. The electrolyte for the lithium ion battery includes a non-aqueous organic solvent, a lithium salt and additives, wherein the additives include additive A cyclophosphazene compound, additive B lithium fluorophosphate compound, and additive C selected from at least one of silane phosphate compound, silane phosphite compound and silane borate compound. Compared with conventional technologies, the nickel-rich positive electrode lithium ion battery using the electrolyte of the present invention has a desirable cyclic capacity retention rate, a desirable storage capacity retention rate and a low gas production at high temperature, and has a low DC internal resistance at low temperature, which can remarkably improve the thermal stability of lithium ion battery.

Abstract: An electrolyte for a secondary battery, the electrolyte including an ionic liquid polymer including a repeating unit represented by Formula 1: wherein, in Formula 1, CY, R1, R2, R3, X1?, n, and m are the same as described in the specification.

Abstract: A solid-state rechargeable battery includes a pair of electrode layers and a solid electrolyte layer interposed between the pair of electrode layers. The pair of electrode layers each includes a phosphate having an olivine crystal structure. The phosphate contains a transition metal and lithium.

Abstract: An electrolytic solution contains: an electrolyte including a lithium salt represented by general formula (1) below; an organic solvent including a linear carbonate represented by general formula (2) below; and an unsaturated cyclic carbonate, wherein the linear carbonate is contained at a mole ratio of 3 to 6 relative to the lithium salt, and/or the lithium salt is contained at a concentration of 1.1 to 3.8 mol/L.

Abstract: A lithium ion conductor includes a first lithium ion conductor that contains at least one selected from among oxide crystals and glass ceramics, and a second lithium ion conductor that has a sintering temperature of not more than 600° C. The lithium ion conductivity of the first lithium ion conductor is higher than the lithium ion conductivity of the second lithium ion conductor.

Abstract: A method of making a solid state battery may include heating a flux sandwiched between a solid ceramic electrolyte and a group one metal. The flux may be heated such that it roughens a surface of the solid ceramic electrolyte and the group one metal melts and adheres to the surface of the solid ceramic electrolyte.

Abstract: The present invention relates to electrolyte additives for magnesium air batteries, which are compatible with rechargeable magnesium batteries and carry the promise of overcoming the hurdles, especially enhancing the overall performance of magnesium air batteries comprising an aqueous electrolyte. The electrolyte additive for a magnesium battery comprising a chelating agent which is capable of forming a complex with at least one of Fe(II), and Fe(III) ions, where the complex with at least one of Fe(II) and Fe(III) ions has a stability constant in aqueous solution at room temperature (about 25° C.) log K of greater than or equal to 6.0 and which is also capable of forming a complex with Mg(II) ions where the complex with Mg(II) ions has a stability constant in aqueous solution at room temperature (about 25° C.) log K of greater than or equal to 4.0.

Abstract: An electrolyte composition containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) acetic acid 2-[(methoxycarbonyl)oxy] methyl ester; and (vi) optionally one or more additives.

Abstract: A battery management system (BMS) monitors and reports on an operational state of a battery. In some embodiments the BMS can be part of a battery assembly. In at least one embodiment the BMS can monitor battery voltage, charge and discharge current, temperature and (via a measurement utilizing magnetism) chemical change in a battery. In some embodiments, a permanent magnet is placed within the battery and a magnetoresistance sensor on the battery management system circuit board is employed to measure the affected magnetic field from the chemical change within the battery as it moves from a discharged state to a charged state and back to a discharged state. This measurement provides for an accurate statement of the battery's present day state of charge and state of health.

Abstract: The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics at high temperatures, which comprises at least one organic phosphorus compound represented by the following general formula (I), an energy storage device using the nonaqueous electrolytic solution, and a specific organic phosphorus compound. (In the formula, R1 and R2 each independently represent an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an alkoxy group, a cycloalkoxy group, an alkenyloxy group, an alkynyloxy group, a halogenoalkyl group, a halogenoalkoxy group, an aryl group, or an aryloxy group; R3 and R4 each independently represent a hydrogen atom, a halogen atom, or an alkyl group; m is an integer of from 1 to 4, n is 0 or 1, q is 1 or 2. When q is 1 and n is 0, X represents an alkoxy group, an alkynyloxy group, an alkyloxyalkoxy group, an aryloxy group, etc.

Abstract: The present invention provides a non-aqueous electrolyte solution which contains a silyl ester group-containing phosphonic acid derivative.

Abstract: Flexible electrical devices are provided that include a coated inner carbon nanotube electrode that has an exterior surface, an outer carbon nanotube electrode disposed on the exterior surface of the coated inner carbon nanotube electrode, and an overlap region in which the coated inner carbon nanotube electrode and the outer carbon nanotube electrode overlap one another, in which the device has a fiber-like geometry and first and second electrode ends. Methods are provided for fabricating an electrical component that includes a flexible electrical component having a fiber-like geometry and includes carbon nanotube electrodes.

Abstract: A secondary lithium battery electrolyte including a lithium salt, a nonaqueous organic solvent, and an electrolyte additive represented by Formula 1: where n is an integer in the range of 1 to 4. A secondary lithium battery having excellent cycle and high temperature retention characteristics can be provided by using such secondary lithium battery electrolyte.

Abstract: Provided is an electrolyte additive for a lithium ion secondary battery including an organic lithium compound and a hyper-branched structure material. The electrolyte additive enhances the decomposition voltage of the electrolyte up to 5.5 V, and increases the heat endurable temperature by 10° C. or more. The safety of the battery is thus improved.

Abstract: The electrolyte includes a magnesium salt having the formula Mg(BX4)2 where X is selected from H, F and O-alkyl. The electrolyte also includes a solvent, the magnesium salt being dissolved in the solvent. Various solvents including aprotic solvents and molten salts such as ionic liquids may be utilized.

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: According to one embodiment, there is provided a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode containing a titanium-containing oxide, and a nonaqueous electrolyte. The nonaqueous electrolyte contains carbon monoxide and at least one selected from difluorophosphoric acid and monofluorophosphoric acid. The ratio of the mass concentration of carbon monoxide to the sum of the mass concentrations of difluorophosphoric acid and monofluorophosphoric acid is in the range of 0.1 to 5%.

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are provided. The non-aqueous electrolyte solution includes an organic solvent, an ionizable lithium salt, a dinitrile compound including an ether bond represented by Chemical Formula 1, and an aliphatic dinitrile compound represented by Chemical Formula 2. The lithium secondary battery including the non-aqueous electrolyte solution having the possibility of generating a swelling phenomenon while storing or charging/discharging at a high temperature may be restrained. In addition, a cycle life of the charging/discharging may be improved.

Abstract: An organic electrolyte solution including a solvent; an electrolyte including a metal-ligand coordination compound; and an additive including a hydrophobic group and a metal affinic group.

Abstract: An energy storage device including an active electrolyte, a first electrode and a second electrode is provided. The active electrolyte contains protons and ion pairs with a redox ability. The first electrode and the second electrode coexist in the active electrolyte and are separated from each other. The first electrode and the second electrode respectively include an active material producing a redox-reaction with the active electrolyte or an active material producing ion adsorption/desorption with the active electrolyte. The active electrolyte receives electrons from the first electrode and/or the second electrode so as to perform a redox-reaction for charge storage.

Abstract: A plastics electrode material includes a mixture having a nitrogen-containing conductive polymer and a conductive carbon material mixed with the polymer. The polymer is polyquinoline, polyphenylquinoxaline, polycarbazole, polypyridine, polypyrrole, polyaniline or polyindole. The conductive carbon material is 1% to 40% by weight of the mixture. The mixture is activated by a 0.2 M to 5 M proton-containing acidic electrolytic solution. The present invention further comprises second cells using the plastics electrode material. Because the conductive carbon material and high concentration acidic electrolytic solution are added to the polymer, the plastics electrode material has a high conductivity. Thus, the secondary cells have a high efficiency of charging and discharging and a long cyclic life.

Abstract: A non-aqueous electrolyte composition, useful in batteries, capacitors and the like, said electrolyte composition comprising an electrolyte support salt, a non-aqueous electrolyte carrier, and a polycyclic aromatic amine, e.g., a naphthyl amine.

Abstract: A non-aqueous electrolyte additive for a lithium secondary battery, a non-aqueous electrolyte for a lithium secondary battery, and a lithium secondary battery, the additive including a bidentate phosphorus compound represented by the following Chemical Formula 1.

Abstract: A battery is composed of a positive electrode in which a positive electrode active material layer including a positive electrode active material is formed on a positive electrode collector, a negative electrode in which a negative electrode active material layer including a negative electrode active material is formed on a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte impregnated in the separator. The battery further includes at least one of a heteropoly acid and a heteropoly acid compound as an additive at least in one of the positive electrode, the negative electrode, the separator, and the electrolyte.

Abstract: A non-aqueous electrolyte usable in rechargeable lithium-ion batteries including a solution of LiPF6/carbonate based electrolytes with low concentrations of LiFOP such that the thermal stability is increased compared to a standard lithium battery. A method of making lithium tetrafluorophospahte (LiF4C2O4, LiFOP) including, reacting PF5 with lithium oxalate, recrystallizing DMC/dichloromethane from a 1:1 mixture of to separate LiF4OP from LiPF6 to form a lithium salt. An electric current producing rechargeable Li-ion cell. The rechargeable lithium ion cell includes an anode, a cathode, and a non-aqueous electrolyte comprising a solution of a lithium salt in a non-aqueous organic solvent containing lithium tetrafluorooxalatophosphate (LiPF4(C2O4), LiF4OP).

Abstract: An electrolyte for a lithium secondary battery including a lithium salt, a nonaqueous organic solvent, and an additive, in which the additive is composed of one or more compounds including a purinone or a purinone derivative. The lithium secondary battery with improved life and high-temperature storage may be provided by using the electrolyte for a lithium secondary battery according to an embodiment of the present invention.

Abstract: A nonaqueous electrolyte composition containing an electrolyte salt, a nonaqueous solvent and a compound having a phosphorus-hydrogen bond or a phosphorus-carbon bond is provided. Also provided is a nonaqueous electrolyte secondary battery including: a cathode and an anode having a material capable of occluding and releasing lithium ions as a cathode active material and an anode active material, respectively; a nonaqueous electrolyte composition; a separator; and an outer package member for housing the anode, the cathode, the nonaqueous electrolyte composition and the separator. The nonaqueous electrolyte composition includes an electrolyte salt, a nonaqueous solvent and a compound having a phosphorus-hydrogen bond or a phosphorus-carbon bond.

Abstract: Disclosed is a nonaqueous electrolytic solution which enables formation of a nonaqueous-electrolyte battery having high capacity and excellent storage characteristics at high temperatures, while sufficiently enhancing safety at the time of overcharge. A nonaqueous-electrolyte battery produced by using the nonaqueous electrolytic solution is also disclosed. The nonaqueous electrolytic solution comprises an electrolyte and a nonaqueous solvent, and includes any of specific nonaqueous electrolytic solutions (A) to (D).

Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode contains a positive electrode active material including element M2 incorporated in a crystal structure in a surface layer area of a complex oxide, the oxide including the element M1 and being represented by the following formula (1), M2 being different from M1. The element M2 is at least one kind selected from the group consisting of magnesium Mg, calcium Ca, titanium Ti, zirconium Zr, sulfur S, fluorine F, iron Fe, copper Cu, boron B, aluminum Al, phosphorus P, carbon C, manganese Mn, nickel Ni, and cobalt Co. Li1+a(MnbCocNi1?b?c)1?aM1dO2?e??(1) M1 is at least one kind of aluminum, magnesium, zirconium, titanium, barium Ba, boron, silicon Si, and iron, a satisfies 0<a<0.25, b satisfies 0.5?b<0.7, c satisfies 0?c<1?b, d satisfies 0.01?d?0.2, and e satisfies 0?e?1.

Abstract: A rechargeable energy storage device is disclosed. In at least one embodiment the energy storage device includes an air electrode providing an electrochemical process comprising reduction and evolution of oxygen and a capacitive electrode enables an electrode process consisting of non-faradic reactions based on ion absorption/desorption and/or faradic reactions. This rechargeable energy storage device is a hybrid system of fuel cells and ultracapacitors, pseudocapacitors, and/or secondary batteries.

Abstract: Compositions including glass fibers with a high surface atomic percentage of oxygen bonded to silicon wherein the fibers form at least part of a battery separator or other battery component.

Abstract: A non-aqueous electrolyte cell comprises a positive electrode, a negative electrode and a non-aqueous electrolyte containing a support salt. The non-aqueous electrolyte further comprises a phosphazene derivative. The phosphazene derivative having a specified structure functions as an electrode stabilizing agent or a non-combustion agent.

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: 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: A nonaqueous electrolyte includes: a solvent, an electrolyte salt, and at least one of heteropolyacid salt compounds represented by the following formulae (I) and (II): HxAy[BD12O40].zH2O (I), HpAq[B5D30O110].rH2O (II). A represents Li, Na, K, Rb, Cs, Mg, Ca, Al, NH4, or an ammonium salt or phosphonium salt; B represents P, Si, As or Ge; D represents at least one element selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr, Nb, Mo, Tc, Rh, Cd, In, Sn, Ta, W, Re and Tl; x, y and z are values falling within the ranges of (0?x?1), (2?y?4) and (0?z?5), respectively; and p, q and r are values falling within the ranges of (0?p?5), (10?q?15) and (0?r?15), respectively.

Abstract: A nonaqueous electrolyte battery is provided and includes a positive electrode, a negative electrode, and an electrolyte. The electrolyte contains a nonaqueous solvent, an electrolyte salt, a matrix polymer and a ceramic powder, and further contains a polyacid and/or a polyacid compound.

Abstract: The present invention provides a lithium-ion electrochemical cell comprising an ionic liquid electrolyte solution and a positive electrode having a carbon sheet current collector.

Abstract: Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium metal or in contact with an intermediate protective layer, such as a temporary protective metal layer, on the surface of the lithium-containing first layer. Another aspect of the invention provides an anode active layer formed by the in-situ deposition of lithium vapor and a reactive gas. The anodes of the current invention are particularly useful in electrochemical cells comprising sulfur-containing cathode active materials, such as elemental sulfur.

Abstract: Objects of the present invention are to improve the adhesion and processing characteristics of electrode composite layers and to provide a lithium secondary battery by which a decrease in battery capacity during high-temperature storage at 50° C. or higher is suppressed. The lithium secondary battery of the present invention comprises a positive electrode capable of storing and releasing lithium ions, a negative electrode capable of storing and releasing lithium ions, a separator disposed between the positive electrode and the negative electrode, and an electrolyte, wherein the negative electrode or the electrolyte contains a nonvolatile liquid.

Abstract: An all-solid-state battery having a high output power and a long life, exhibiting high safety, and being produced at a low cost is provided. The all-solid-state battery has a cathode comprising a cathode material, an anode comprising an anode material, and a solid electrolyte layer comprising a solid electrolyte, wherein the cathode material, the anode material, and the solid electrolyte are a compound shown by the following formulas (1), (2), and (3), respectively: MaN1bX1c ??(1) MdN2eX2f ??(2) MgN3hX3i ??(3) wherein M represents H, Li, Na, Mg, Al, K, or Ca and X1, X2, and X3 are polyanions, each of N1 and N2 is at least one atom selected from the group consisting of transition metals, Al, and Cu, and N3 is at least one atom selected from the group consisting of Ti, Ge, Hf, Zr, Al, Cr, Ga, Fe, Sc, and In.

Abstract: An apparatus for splitting water to produce hydrogen having at least one photoelectrochemical cell. The photoelectrochemical cell includes at least one water permeable photoelectrode having a light sensitive, nano-crystalline catalytic material layer, a polymer electrolyte membrane, a metallic substrate disposed between the light sensitive nano-crystalline catalytic material layer and the polymer electrolyte membrane adjacent to the polymer electrolyte membrane layer, and at least one photovoltaic device connected in series to the light sensitive nano-crystalline material layer and disposed between the light sensitive nano-crystalline catalytic material layer and the metallic substrate layer.

Abstract: Provided is a secondary battery comprising a separator having an inorganic layer wherein active sites of inorganic particles in the inorganic layer are modified into non-reactive sites. Use of the separator leads to improvements in wettability of an electrolyte and thermoelectric stability and storage characteristics of the secondary battery. Provided is also a method of manufacturing the same secondary battery.

Abstract: This invention relates to overcharge protection and molecular redox shuttles in rechargeable lithium-ion cells. For this, specific nitroxyls or oxoammonium salts are used in the electrolyte. This invention also relates to a method of producing such lithium-ion cells and to a method of recharging such lithium-ion cells. This invention also pertains to some nitroxyls compounds and oxoammonium salts.

Abstract: A secondary lithium battery electrolyte including a lithium salt, a nonaqueous organic solvent, and an electrolyte additive represented by Formula 1: where n is an integer in the range of 1 to 4. A secondary lithium battery having excellent cycle and high temperature retention characteristics can be provided by using such secondary lithium battery electrolyte.

Abstract: A resistance-stabilizing additive to an electrolyte for a battery cell in an implantable medical device is presented. At least one resistance-stabilizing additive is selected from a group comprising an electron withdrawing group, an aromatic diacid salt, an inorganic salt, an aliphatic organic acid, an aromatic diacid, and an aromatic monoacid.

Abstract: Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium metal or in contact with an intermediate protective layer, such as a temporary protective metal layer, on the surface of the lithium-containing first layer. Another aspect of the invention provides an anode active layer formed by the in-situ deposition of lithium vapor and a reactive gas. The anodes of the current invention are particularly useful in electrochemical cells comprising sulfur-containing cathode active materials, such as elemental sulfur.

Abstract: A non-aqueous electrolyte usable in rechargeable lithium-ion batteries including a solution of LiPF6/carbonate based electrolytes with low concentrations of LiFOP such that the thermal stability is increased compared to a standard lithium battery. A method of making lithium tetrafluorophospahte (LiF4C2O4, LiFOP) including, reacting PF5 with lithium oxalate, recrystallizing DMC/dichloromethane from a 1:1 mixture of to separate LiF4OP from LiPF6 to form a lithium salt. An electric current producing rechargeable Li-ion cell. The rechargeable lithium ion cell includes an anode, a cathode, and a non-aqueous electrolyte comprising a solution of a lithium salt in a non-aqueous organic solvent containing lithium tetrafluorooxalatophosphate (LiPF4(C2O4), LiF4OP).

Abstract: A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the salt wherein R1 is straight-chain or branched alkyl having 1 to 4 carbon atoms, R2 is straight-chain or branched alkyl having 1 to 3 carbon atoms, and X? is N(CN)2?, SCN?, NO3?, NCO? or NO2?.

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: A composition for a battery containing an electroconductive assistant improves battery performance of a battery produced using this composition as a result of achieving dispersion stabilization without inhibiting electroconductivity of the electroconductive assistant.