Lg Chem, Ltd

Lg Energy Solution, Ltd.

Young Cheol Choi

Chul Haeng Lee

Jonghyun Chae

Geun Chang Chung

Young Geun Choi

Jong Mo Jung

Seung Jae Yoon

Yourim Yoon

Wang Mo Jung

Chi Ho Jo

Sung Bin Park

Bo Ram Lee

Hyuck Hur

Ji Young Park

Young Uk Park

Sang Min Park

Byung Chun Park

Sang Wook Lee

Ju Kyung Shin

Provided is an apparatus for providing battery information of the present disclosure, which includes: a first communication unit configured to receive first battery information related to a battery from a battery management system by using a first communication protocol; a second communication unit configured to receive second battery information related to the battery and different from the first battery information from the battery management system by using a second communication protocol different from the first communication protocol; and a data conversion unit connected to the first communication unit and the second communication unit and configured to obtain first conversion information by converting the first battery information into a predetermined data structure, obtain second conversion information by converting the second battery information into the predetermined data structure and output the first conversion information and the second conversion information.

Apparatus and method for providing battery information

The present invention provides a positive active material for a rechargeable lithium battery, the active material including a dopant and having a crystalline structure in which metal oxide layers (MO layers) including metals and oxygen and reversible lithium layers are repeatedly stacked, wherein in a lattice configured by oxygen atoms of the MO layers adjacent to each other, the dopant time of charge, thereby forming a lithium trap and/or lithium dumbbell structure.

Positive electrode active material for lithium secondary battery, comprising lithium cobalt oxide for high voltage, and method for preparing same

The present invention provides a positive electrode active material for a secondary battery, the positive electrode active material including a lithium composite metal oxide particle represented by Formula 1 below, and a secondary battery including the same.LiNiCoM1M2M3O&#x2003;&#x2003;[Formula 1] In Formula 1, M1 is a metal element whose surface energy (&#x394;E) calculated by Equation 1 below is &#x2212;0.5 eV or higher, M2 is a metal element whose surface energy (&#x394;E) calculated by Equation 1 below is &#x2212;1.5 eV or higher and less than &#x2212;0.5 eV, M3 is a metal element whose surface energy (&#x394;E) calculated by Equation 1 below is less than &#x2212;1.5 eV, and 1.0&#x2264;a&#x2264;1.5, 0&#x3c;x&#x2264;0.5, 0&#x3c;z&#x2264;0.05, 0.002&#x2264;w&#x2264;0.1, 0&#x3c;x+y&#x2264;0.7.  In Equation 1 above, Erepresents an extent to which a metal element is oriented toward the outermost surface of the lithium composite metal oxide particle, Erepresents an extent to which the metal element is oriented toward a central portion of the lithium composite metal oxide particle, Eis energy of a slab model of the lithium composite metal oxide particle when the metal element is at the central portion of the lithium composite metal oxide particle, Eis energy of a slab model of the lithium composite metal oxide when the metal element is at the outermost surface of the lithium composite metal oxide, and Eis energy of a bulk model corresponding to each of the slab models.

Positive electrode active material for secondary battery, and secondary battery comprising the same

Disclosed is a lithium secondary battery including: (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; (ii) an anode active material including amorphous carbon; and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether based solvent, wherein propylene carbonate (PC) is included in an amount of 1 wt % to 60 wt % in the electrolyte for lithium secondary batteries, based on the total weight of the electrolyte,LiM(PO)X&#x2003;&#x2003;(1)

Lithium secondary battery

Disclosed are an electrolyte for lithium secondary batteries including 10 wt % to 90 wt % of an ester based solvent and 10 wt % to 90 wt % of a carbonate based solvent with respect to the total weight of a non-aqueous solvent, and a lithium secondary battery including the same.

Electrolyte for lithium secondary batteries and lithium secondary battery including the same

Disclosed are an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which the non-aqueous solvent includes an ether based solvent and a glyme based solvent and a ratio of the ether based solvent to the glyme based solvent is 20:80 to 60:40 based on the total volume of the non-aqueous solvent, and a secondary battery including the same.

Disclosed is an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which a silane based material is included in an amount of 0.1 to 20 wt % based on the total weight of the electrolyte, and a lithium secondary battery including the same.

Growing community of inventors

Daejeon, South Korea

Young Cheol Choi