The Industry & Academic Cooperation in Chungnam National University (iac)

Seoul National University

Korea Research Institute of Standards and Science

Korea Basic Science Institute

Institute for Basic Science

Chunjoong Kim

Jungjin Park

Yung-Eun Sung

Sung-man Lee

Sun Hwa Park

Jae Yong Song

Jouhahn Lee

Kyoung Soon Choi

Cheolho Jeon

Joonhee Moon

Jae-Hyuk Park

Jong Sig Lee

Hosun Shin

A battery cell measurement module includes a lower housing having a connection part and a fixing part connected to the lower housing. An upper portion of the fixing part has a battery cell accommodation space accommodating a battery cell. The fixing part includes a connection hole that is in communication with the battery cell accommodation space and has the connection part arranged therein. Module includes a height control part that extends from the battery cell accommodation space to the connection part via the connection hole. Module includes an upper housing detachably attached to the lower housing, arranged to surround the fixing part and the height control part, and provided with a transparent window. The battery cell has an opening in an upper surface of the battery cell and is accommodated in the battery cell accommodation space such that the opening is located at a position vertically overlapping the transparent window.

In-situ optical and electrochemical analysis method and battery cell measurement module therefor

An anode active material contains a carbon composite, and the carbon composite may include a core particle including hard carbon and a skin layer placed on a surface of the core particle. The skin layer includes graphite particles attached to the surface of the core particle at a predetermined angle with respect to the surface and the graphite particles include graphite-based carbon material. The skin layer further includes an amorphous carbon layer filling a space between the graphite particles and attaching the graphite particles to the surface of the core particle. The carbon composite has a ratio of Ito Iin a range of 0.8 to 1.5 (0.8&#x2264;I/I&#x2264;1.5) in Raman analysis where Iis the intensity of D peak at 1300 cmto 1400 cmand Iis the intensity of G peak at 1500 cmto 1600 cm.

Anode active material including carbon composite for lithium secondary battery and method of manufacturing the same

Provided is an in-situ X-ray analysis apparatus including a potentiostat connected to an in-situ electrochemical cell and configured to adjust voltage, current, and time of the in-situ electrochemical cell or to record information regarding voltage, current, resistance, capacity, and time information of the in-situ electrochemical cell; an X-ray analysis apparatus configured to obtain X-ray diffraction information regarding the in-situ electrochemical cell; and a controller connected to the X-ray analysis apparatus and the potentiostat and configured to provide or receive signals to or from the X-ray analysis apparatus and the potentiostat.

Analysis apparatus interlocking in-situ x-ray diffraction and potentiostat and analyzing methods using the same

A lithium-sulfur secondary battery includes a cathode current collector and a cathode electrode on the cathode current collector. The cathode electrode includes a porous carbon interlayer electrode including a plurality of carbon fibers, metal sulfide catalyst particles dispersed and positioned on the porous carbon interlayer electrode, and sulfur-based active material particles dispersed on the porous carbon interlayer electrode to be attached thereto and including sulfur.

Lithium-sulfur secondary battery

Growing community of inventors

Daejeon, South Korea

Chunjoong Kim