Abstract: Disclosed are non-aqueous electrolyte compositions of the present invention that comprise non-aqueous solvents and monomers such as aniline, phenanthrene, ethylenedioxythiophene, benzothiophene or derivatives thereof. The monomers are contained in the electrolytes of the present invention in the amounts of less than about 5.0 weight percent of the non-aqueous solvent. In the present invention, cyclic carbonates, linear carbonates or mixtures thereof can be used as the non-aqueous solvents. The electrolyte compositions of the present invention improve the safety characteristics of the cell by preventing the flow of large currents resulting from overcharge or feed-through, and also improve cell life characteristic by helping the reversible transfer of lithium ions.

Abstract: Lithium secondary batteries having polymer electrolytes are provided. A lithium battery includes a positive electrode including a positive active material capable of intercalating and deintercalating lithium ions, a negative electrode including a negative active material capable of intercalating and deintercalating lithium ions, and a polymer electrolyte. The polymer electrolyte includes a polymer, a non-aqueous organic solvent, and a lithium salt. The polymer electrolyte has a shear strength relative to the positive electrode of about 0.7N/mm or greater.

Abstract: The present invention relates to an electrolyte for a lithium battery and a lithium battery comprising the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and a first additive capable of forming a chelating complex with a transition metal and which is stable at voltages ranging from about 2.5 to about 4.8 V.

Abstract: A polymer electrolyte composition for a rechargeable lithium battery includes an acrylate-based polymer, a lactone-based compound having an alkyl substituent, a non-aqueous organic solvent, and a lithium salt. The electrolyte for a rechargeable lithium battery of the present invention exhibits excellent high temperature storage characteristics, excellent high temperature cycle-life characteristics, and improved safety without deteriorating cell performance.

Abstract: An electrolyte for a lithium battery is disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and at least one dioxolane-based additive.

Abstract: An electrolyte for a lithium secondary battery is provided. The electrolyte improves battery safety, high temperature storage characteristics, and electrochemical properties of lithium batteries. The electrolyte comprises at least one lithium salt and a non-aqueous organic solvent comprising a cyclic carbonate and a lactone-based compound. The lactone based compound comprises substituents selected from the group consisting of alkyl groups, alkenyl groups, alkynyl groups, aryl groups, and combinations thereof. A lithium battery is also provided, which comprises a negative electrode capable of intercalating/deintercalating lithium, a positive electrode capable of intercalating/deintercalating lithium, and an inventive electrolyte.

Abstract: An electrolyte for a lithium battery and a lithium battery thereof are provided. The electrolyte includes a non-aqueous organic solvent; lithium salt; and an additive selected from the group consisting of the compounds represented by formulas (1) to (3), and combinations thereof: where X is selected from the group consisting of hydrogen, halogen, alkyl groups having from 1 to 6 carbon atoms, and aryl groups having from 6 to 8 carbon atoms, and R is an alkyl group having from 1 to 6 carbon atoms or an aryl group having from 6 to 10 carbon atoms. The lithium battery including the electrolyte suggested in the present invention has superior overcharge characteristics and superior safety characteristics compared to conventional batteries including a non-aqueous electrolyte.

Abstract: An electrolyte for a lithium battery is disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and at least one dioxolane-based additive.

Abstract: Disclosed is a polymer electrolyte composition for a rechargeable lithium battery including a multifunctional monomer represented by formula 1, a polymer initiator, a non-aqueous organic solvent, and a lithium salt: where A is one represented by one of formulae 1a, 1b, or 1c; where n is an integer of 1 to 10; R1 to R7 are the same or are independently selected from H, C1 to C3 alkyls, and C?N; and X is a C1 to C20 aliphatic or aromatic carbon, or polyether.

Abstract: Disclosed in an electrolyte for a rechargeable lithium battery, including a mixture of organic solvents including a cyclic solvent and a nitrile-based solvent represented by formula 1 and a lithium salt.

Abstract: An electrolyte for a lithium battery includes a non-aqueous organic solvent, lithium salts, and an additive compound of formula (1): where X is selected from the group consisting of an alkyl, an alkoxy, a halogen, and an electron withdrawing group. The lithium battery having the electrolyte shows improved electrochemical properties, such as capacity at high rate and safety characteristics compared to a battery including the conventional non-aqueous electrolyte which does not include the additive compound.

Abstract: An electrolyte for a lithium secondary battery which has a non-aqueous organic solvent including a ?-butyrolactone and optionally a cyclic carbonate, an ester compound having an electron withdrawing group, and at least two salts. The lithium secondary battery including the electrolyte has good safety and good storage characteristics at high temperature.

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and a lactam-based compound selected from the group consisting of compounds represented by formulas 1 to 6: 1

Abstract: An electrolyte of a lithium battery includes a non-aqueous organic solvent, a lithium salt, and a compound additive such as a sulfone-based compound, a carbonate-based compound, and a sulfoxide compound that substantially include aromatic hydrocarbon groups. The lithium battery utilizing the electrolyte of the present invention has improved electrochemical properties such as capacity at a high rate and safety of the battery during overcharge.

Abstract: An electrolyte of a lithium secondary battery includes lithium salts, an organic solvent with a high boiling point, and a carbonate-based additive compound having substituents selected from the group consisting of a halogen, a cyano (CN), and a nitro (NO2). The electrolyte improves discharge, low temperature, and cycle life characteristics of a lithium secondary battery.

Abstract: Disclosed is an electrolyte including a non-aqueous organic solvent, a lithium salt and an additive represented by formula 1: 1

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery that includes a cyclic carbonate including ethylene carbonate, at least two linear carbonate selected from diethyl carbonate, methyl propyl carbonate, ethyl methyl carbonate or dimethyl carbonate, propyl acetate; and a lithium salt.

Abstract: Disclosed are non-aqueous electrolyte compositions of the present invention that comprise non-aqueous solvents and monomers such as aniline, phenanthrene, ethylenedioxythiophene, benzothiophene or derivatives thereof. The monomers are contained in the electrolytes of the present invention in the amounts of less than about 5.0 weight percent of the non-aqueous solvent. In the present invention, cyclic carbonates, linear carbonates or mixtures thereof can be used as the non-aqueous solvents. The electrolyte compositions of the present invention improve the safety characteristics of the cell by preventing the flow of large currents resulting from overcharge or feed-through, and also improve cell life characteristic by helping the reversible transfer of lithium ions.

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including at least one organic solvent selected from the group consisting of thiocarbonate, thioester and thioether, and a lithium salt.

Abstract: An electrolyte for a rechargeable lithium battery is provided. The electrolyte includes a non-aqueous organic solvent and a lithium salt. The non aqueous organic solvent includes cyclic carbonate such as ethylene carbonate and propylene carbonate, chain carbonate such as dimethyl carbonate, diethyl carbonate, methyl ethyl carbonate and methyl propyl carbonate, and alkyl acetate such as n-methyl acetate, n-ethyl acetate and n-propyl acetate. The electrolyte can be used in a rechargeable lithium battery to provide good low temperature characteristics and safety.