Samsung Sdi Co., Inc.

Techno Semichem Co., Ltd.

Mi-Hyeun Oh

Jin-Hyunk Lim

Na-Rae Park

Su-Hee Han

Jin-sung Kim

Jin-Sung Kim

Ho-Seok Yang

Sung-Hoon Kim

Man-Seok Han

Tae-Ahn Kim

Dai-In Park

Eun-Gi Shim

Na-Rae Won

Jin-Hyuk Lim

A gel electrolyte for a rechargeable lithium battery includes a gel polymer including a repeating unit derived from a first monomer represented by A-L-E, a non-aqueous organic solvent, a lithium salt, and an additive. A rechargeable lithium battery includes the gel electrolyte. The additive includes a compound selected from compounds represented by compounds represented by derivatives thereof, and combinations thereof.

Gel electrolyte including additives for rechargeable lithium battery, and rechargeable lithium battery including same

Disclosed are a non-aqueous electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the non-aqueous electrolyte, and the non-aqueous electrolyte for a rechargeable lithium battery includes a lithium salt; a non-aqueous organic solvent; and trialkylsilyl borate as an additive, wherein the non-aqueous organic solvent may include a solvent having a low melting point of less than or equal to about &#x2212;50&#xb0; C. and ionic conductivity of greater than or equal to about 6 mS/cm at 25&#xb0; C.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same

An electrolyte solution for a rechargeable lithium battery that includes a lithium salt; a non-aqueous organic solvent including ethyl acetate; and an additive including a sultone-based compound, wherein the sultone-based compound is included in an amount ranging from 0.1 to 5 wt % based on the total amount of the electrolyte solution is provided.

Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including the same

In an embodiment of the invention, an electrolytic solution for a lithium battery including a cathode having a nickel (Ni)-cobalt (Co)-manganese (Mn)-based active material includes a nonaqueous organic solvent, a lithium salt, and adiponitrile. A lithium battery employs the electrolytic solution. A method of operating the battery includes charging the battery to a final charge voltage of about 4.25V or greater.

Electrolytic solution for lithium battery, lithium battery employing the same and method for operating the lithium battery

In one aspect, a rechargeable lithium battery including a positive electrode having a positive active material, a negative electrode having a negative active material, and an electrolyte is provided. The positive active material can include manganese-based oxide, and the electrolyte can include fluoroethylene carbonate, lithium bis(oxalato)borate, and tris(trialkylsilyl)borate.

Rechargeable lithium battery

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.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same

Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. The electrolyte includes a lithium salt, trialkylsilyl(meth)acrylate compound represented by the following Chemical Formula 1, a halogenated carbonate compound, and an organic solvent.  In the above Chemical Formula 1, Ris hydrogen or methyl, and Rto Rare the same or different and one selected from C1 to C6 alkyl.

Disclosed is an electrolyte for a rechargeable lithium battery that includes a lithium salt, a phosphine compound having at least one trialkylsilyl group and organic solvent, and a rechargeable lithium battery including the electrolyte. The phosphine compound may be tris(trialkylsilyl)phosphine wherein the alkyl groups are the same or different and are each independently selected from C1 to C6 alkyl.

An electrolytic solution for a lithium battery including a positive electrode having a nickel-cobalt-manganese based active material, the electrolytic solution including a nonaqueous organic solvent and a lithium salt, the nonaqueous organic solvent including ethylene carbonate and dimethyl carbonate, a lithium battery including the electrolytic solution, and a method of operating the lithium battery.

Electrolytic solution for lithium battery, lithium battery comprising the same and method of operating the lithium battery

An electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an electrolyte additive including a compound represented by the following Chemical Formula 1, and a rechargeable lithium battery including the electrolyte for a rechargeable lithium battery.  In Chemical Formula 1, Arand Arare the same or different and are independently aromatic organic groups, and X is a halogen.

Electrolyte for rechargeable lithium battery including additives, and rechargeable lithium battery including the same

Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. The electrolyte includes a lithium salt, a trialkylsilyl cyanide compound represented by the following Chemical Formula 1, and an organic solvent.  In the above Chemical Formula 1, Rto Rare the same or different, and selected from C1 to C6 alkyls.

An electrolyte for a rechargeable lithium battery, including a lithium salt, an organic solvent, lithium bis(oxalato)borate (LiBOB), and at least one kind of tris(trialkylsilyl)borate represented by following Chemical Formula 1.  In the above Chemical Formula 1, Rto Rare the same as described in the detailed description.

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Yongin-si, South Korea

Mi-Hyeun Oh