Abstract: A redox flow battery including a positive electrode electrolyte and a negative electrode electrolyte, each of which includes a metal-ligand coordination complex, in which a metal of a metal-ligand coordination complex of the positive electrode electrolyte is different from a metal of a metal-ligand coordination complex of the negative electrode electrolyte. Due to use of different metals in the positive and negative electrode electrolytes, the redox flow battery has high energy density and high charge and discharge efficiency.

Abstract: An additive for an electrolyte of a lithium secondary battery, the additive including a polysiloxane-based compound represented by Formula 1 below: In formula 1 R1, R2, R3, A1, A2, l, m, n, o and p are as described in the detailed description of the present invention.

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: An anode active material including a tin (Sn)-cobalt (Co) intermetallic compound, titanium (Ti), and carbon (C). The anode active material can include indium (In), niobium (Nb), germanium (Ge), molybdenum (Mo), aluminum (Al), phosphorus (P), gallium (Ga), bismuth (Bi), and/or silicon (Si). The anode active material can be included in an anode, and the anode can be included in lithium battery.

Abstract: A cathode, a method of preparing the same, and a lithium battery including the cathode. The cathode includes: a current collector; a first cathode active material layer disposed on the current collector; and a second cathode active material layer disposed on the first cathode active material layer, wherein the first cathode active material layer comprises a lithium transition metal oxide having a layered structure, and the second cathode active material layer comprises a lithium transition metal oxide having a spinel structure and an average working potential of 4.5 V or more.

Abstract: A gel polymer electrolyte including: an organic solvent; a lithium salt that reacts with residual water contained in the organic solvent to produce at least one material selected from the group consisting of a protonic acid and a Lewis acid; and a polymer that is generated by polymerizing at least one monomer selected from the group consisting of monomers represented by Formulae 1 to 3 below: wherein in Formulae 1 to 3, R1 to R31 are the same as defined in the detailed description section of the specification.

Abstract: Organic electrolytic solutions are provided. One solution includes a lithium salt, an organic solvent including a first solvent having high permittivity and a second solvent having a low boiling point, and a phosphate compound. By using the phosphate based compound, the organic electrolytic solution and the lithium battery including the organic electrolytic solution are flame resistant and have excellent charge/discharge properties. As a result, the lithium battery is highly stable and reliable and has good charge/discharge efficiency.

Abstract: An anode active material including: a core having a molybdenum-based material; and a coating layer formed on at least a portion of a surface of the core, wherein the coating layer comprises at least one material selected from the group consisting of molybdenum oxynitride and molybdenum nitride, a method of preparing the same, and an anode and a lithium battery.

Abstract: A redox flow battery has a high energy density and an excellent charge and discharge efficiency because re-precipitation is prevented in an electrolyte solution or eduction is prevented in an electrode during reduction of a metal ion used as an electrolyte.

Abstract: An organic electrolytic solution for a lithium primary or secondary battery includes a lithium salt; an organic solvent; a radical initiator represented by Formula 1 below; and a polymerizable monomer represented by Formula 2 below: R1—N2+X???<Formula 1> wherein R1, R2, R3, R4, and X? are described herein. The organic electrolytic solution improves charge-discharge efficiency and increases cell capacity of the lithium primary or secondary battery.

Abstract: An inkjet printable electrode composition, an electrode including the electrode composition, and a secondary battery including the electrode. The inkjet printable electrode composition includes oxide, a conducting agent, a wetting agent, a binder and an aqueous solvent, in which the viscosity of the binder is in a range of 2 to 20 cps in a 1 wt % aqueous solution of the binder. The inkjet printing electrode composition includes a binder having an appropriate viscosity to allow ink to be easily ejected when the ink is inkjet-printed, and thus, a uniform, thin, and planarized pattern may be formed onto a collector by inkjet printing, without clogging of a nozzle, and thus electrode and secondary battery may be formed at low costs.

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: Provided is a method of preparing a lithium metal anodeincluding forming a current collector on a substrate that includes a release component; depositing a lithium metal on the current collector; and releasing the current collector with the deposited lithium metal from the substrate. The method may produce a lithium metal anode with a clean lithium surface and a current collector with a small thickness. The lithium metal anode may be used to increase the energy density of a battery.

Abstract: An anode active material including a tin (Sn)-cobalt (Co) intermetallic compound, titanium (Ti), and carbon (C). The anode active material can include indium (In), niobium (Nb), germanium (Ge), molybdenum (Mo), aluminum (Al), phosphorus (P), gallium (Ga), bismuth (Bi), and/or silicon (Si). The anode active material can be included in an anode, and the anode can be included in lithium battery.

Abstract: An organic electrolytic solution includes a lithium salt; an organic solvent containing a high dielectric constant solvent; and a polymerizable cycloolefin monomer, and an lithium battery employing the same. The organic electrolytic solution prevents decomposition of an electrolyte, and thus the lithium battery employing the organic electrolytic solution has improved cycle characteristics and lifetime.

Abstract: An additive for an electrolyte of a lithium secondary battery, the additive including a polysiloxane-based compound represented by Formula 1 below: In formula 1 R1, R2, R3, A1, A2, l, m, n, o and p are as described in the detailed description of the present invention.

Abstract: An organic electrolytic solution for a lithium primary or secondary battery includes a lithium salt; an organic solvent; a radical initiator represented by Formula 1 below; and a polymerizable monomer represented by Formula 2 below: R1—N2+X???<Formula 1> wherein R1, R2, R3, R4, and X? are described herein. The organic electrolytic solution improves charge-discharge efficiency and increases cell capacity of the lithium primary or secondary battery.

Abstract: An inkjet printable electrode composition, an electrode including the electrode composition, and a secondary battery including the electrode. The inkjet printable electrode composition includes oxide, a conducting agent, a wetting agent, a binder and an aqueous solvent, in which the viscosity of the binder is in a range of 2 to 20 cps in a 1 wt % aqueous solution of the binder. The inkjet printing electrode composition includes a binder having an appropriate viscosity to allow ink to be easily ejected when the ink is inkjet-printed, and thus, a uniform, thin, and planarized pattern may be formed onto a collector by inkjet printing, without clogging of a nozzle, and thus electrode and secondary battery may be formed at low costs.

Abstract: The present invention is related to compositions and methods for producing a lithium battery with enhanced performance. In particular, the present invention is directed to increasing the solubility of a carboxymethyl cellulose-based binder in water. When the solubility of the carboxymethyl cellulose-based binder is improved, the electrode manufacturing process may be stabilized, and the dispersibility and adhesive force of the electrode may also be improved. As a result, a lithium battery with excellent characteristics may be manufactured. Additionally, the present invention is also directed to an environmentally-friendly manufacturing process for fabricating an anode whereby water is used as the slurry medium, and a lithium battery containing the anode.

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.