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Byoung-Bae Lee, Chungcheongnam-Do KR

Byoung-Bae Lee, Chungcheongnam-Do KR

Patent application numberDescriptionPublished
20100196766SECONDARY BATTERY COMPRISING TERNARY EUTECTIC MIXTURES AND PREPARATION METHOD THEREOF - Disclosed is a secondary battery including a cathode, an anode, a separator, and an electrolyte, wherein the electrolyte includes a ternary eutectic mixture prepared by adding (c) a carbonate-based compound to a eutectic mixture containing (a) an amide group-containing compound and (b) an ionizable lithium salt, and the carbonate-based compound is included in an amount of less than 50 parts by weight based on 100 parts by weight of the electrolyte. The use of the disclosed ternary eutectic mixture having flame resistance, chemical stability, high conductivity, and a broad electrochemical window, as the electrolyte material, improves both the thermal stability and quality of the battery.08-05-2010
20100239917ELECTROLYTE COMPRISING EUTECTIC MIXTURE AND SECONDARY BATTERY USING THE SAME - Disclosed is an electrolyte for a secondary battery, comprising an eutectic mixture consisting of: (a) am amide group-containing compound with at least one EDG introduced into the N-position thereof; and (b) an ionizable lithium salt. Also, provided are a secondary battery comprising such an electrolyte, and a method of adjusting an electrochemical stability window of an eutectic mixture consisting of an amide group-containing compound and a lithium salt by regulating electron donating properties of at least one substituent group introduced into the N-position of the amide group-containing compound.09-23-2010
20100304222ELECTROLYTE HAVING EUTECTIC MIXTURE AND NITRILE COMPOUND, AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - Disclosed is an electrolyte comprising (a) a eutectic mixture of an amide compound represented by the following chemical formula 1 or 2 and an ionizable lithium salt; and (b) a nitrile compound. The eutectic mixture and the nitrile compound in the electrolyte contribute to excellent thermal and chemical stability and sufficiently low viscosity and high ion conductivity. The electrolyte can be usefully applied as an electrolyte of electrochemical devices.12-02-2010
20110014523ELECTROLYTE HAVING EUTECTIC MIXTURE AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - An electrolyte includes a eutectic mixture composed of (a) an alkoxy alkyl group-containing amide compound having a specific chemistry formula; and (b) an ionizable lithium salt. The eutectic mixture contained in the electrolyte has excellent high temperature stability as well as inherent characteristics of eutectic mixtures such as excellent thermal stability and excellent chemical stability, so it contributes to improvement of high temperature stability and decrease the lowest limit of a electrochemical window. Thus, the electrolyte may be usefully applied to electrochemical devices using various anode materials.01-20-2011
20110052999ELECTROLYTE HAVING EUTECTIC MIXTURE AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.03-03-2011
20110117422ELECTROLYTE COMPRISING EUTECTIC MIXTURE AND ELECTROCHEMICAL DEVICE EQUIPPED WITH SAME - An electrolyte includes (a) a eutectic mixture of an alkoxy alkyl group-containing amide compound and an ionizable lithium salt; and (b) a carbonate-based compound. The electrolyte has excellent thermal and chemical stability and exhibits a low lowest limit of electrochemical window. Also, the electrolyte shows low viscosity and high ion conductivity, so it may be usefully applied as an electrolyte of electrochemical devices using various anode materials.05-19-2011
20110318647ELECTROLYTE COMPRISING AMIDE COMPOUND AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - Provided are an electrolyte comprising an amide compound of a specific structure, in which an alkoxy group is substituted with an amine group, and an ionizable lithium salt, and an electrochemical device containing the same. The electrolyte may have excellent thermal and chemical stability and a wide electrochemical window. Also, the electrolyte may have a sufficiently low viscosity and a high ionic conductivity, and thus, may be usefully applied as an electrolyte of electrochemical devices using various anode materials.12-29-2011
20120034533NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed is a non-aqueous electrolyte solution for a lithium secondary battery. The non-aqueous electrolyte solution includes a lithium salt, an organic solvent and additives. The additives include: 1 to 10% by weight of a mixture of a particular halogenated cyclic carbonate and a compound containing a vinylene or vinyl group; and 0.1 to 9% by weight of a nitrile compound having a C02-09-2012

Patent applications by Byoung-Bae Lee, Chungcheongnam-Do KR