Lg Chem, Ltd

Korea Institute of Machinery & Materials

Lg Energy Solution, Ltd.

Won Seok Chang

Sung-Kyun Chang

In Sung Uhm

Soojin Kim

Mikyung Chung

Duck Jong Kim

Ju Young Woo

Wang Mo Jung

Yong Ju Lee

Ji Hye Lee

Dong Hun Lee

Sin Young Park

Ki Young Lee

Ki Tae Kim

Ho Suk Shin

Jung Min Han

Jun-ho Jeong

Dae-Guen Choi

Joo Yun Jung

Junhyuk Choi

Jinhyung Lim

Sohee Jeong

Hyun Jin Oh

Seo Jae Lee

Doh Chang Lee

Ou Jung Kwon

So Hee Jeong

Chang-Su Woo

Ho Sub Lim

Hyuk Jun Kang

A transparent conductor according to an exemplary embodiment of the present invention includes a transparent substrate, and a transparent conductive pattern formed on the transparent substrate, and the transparent conductor includes a nanostructure on an upper surface of at least one of the transparent substrate and the transparent conductive pattern.

Transparent conductor including nanostructure and manufacturing method thereof

Disclosed are a transition metal precursor for preparation of a lithium transition metal oxide, in which a ratio of tap density of the precursor to average particle diameter D50 of the precursor satisfies the condition represented by Equation 1 below, and a lithium transition metal oxide prepared using the same. 

Transition metal precursor having low tap density and lithium transition metal oxide having high particle strength

A nanoparticle separating apparatus that can separate nanoparticles from impurities in a nanoparticle dispersion, and a nanoparticle separating method using the same are disclosed. The nanoparticle separating apparatus according to an exemplary embodiment of the present invention includes: a body portion having an inlet hole into which a dispersion flows formed in one side thereof, an outlet hole through which the waste solution from which nanoparticles are separated flows formed in the other side, and a hollow channel formed between the inlet hole o and the outlet hole; a first electrode and a second electrode, each having a porous structure where a plurality of pores are formed, and at least one pair of the first and second electrodes being provided in the channel; and a power supply applying voltages, each having a different polarity, to the first electrode or to the second electrode.

Separating apparatus for nanoparticles and separating apparatus using the same

Disclosed is a method of manufacturing a secondary battery, built in a battery case, having an electrode assembly impregnated with an electrolyte solution, the method including: A secondary battery manufactured according to the method may have improved electrolyte solution impregnation properties, ionic conductivity, electronic conductivity and the like and, as such, may have improved electrochemical performance.

Method of manufacturing secondary battery

Disclosed is a method of manufacturing a secondary battery wherein an electrode assembly impregnated with an electrolytic solution is embedded in a battery case, A secondary battery manufactured according to the method may have improved ionic conductivity, electronic conductivity and the like and, as such, may have improved electrochemical performance.

A quantum dot stabilized by a halogen salt includes a compound of Group 13 and Group 15, a compound of Group 12 and Group 16 or a compound of Group 14 and Group 16. The quantum dot has a crystalline structure and at least a portion of a surface of the quantum dot is combined with a halogen salt. Thus, the quantum dot has a high stability in an air.

Quantum dot stabilized by halogen salt and method for manufacturing the same

Disclosed is an electrode active material comprising: a core layer capable of repeating lithium intercalation/deintercalation; an amorphous carbon layer; and a crystalline carbon layer, successively, wherein the core layer comprises at least two core particles. A secondary battery comprising the same electrode active material is also disclosed. The electrode active material can inhibit variations in volume of the core layer that may occur during repeated charge/discharge cycles, since the core layer comprising at least two core particles, each core particle having an increased area that is in contact with the carbon layer coated thereon. Therefore, the battery using the electrode active material can provide improved cycle life characteristics.

Electrode active material for secondary battery

Growing community of inventors

Daejeon, South Korea

Won Seok Chang