- Li-Intercalation Cathode Materials for Li Batteries
- Thin-Film Cathodes for All-Solid-State Thin-Film Batteries
- Group IV Epitaxial Alloy (Si1-xCx, Si1-x-yGexCy)
Room 131-413

Education & Career
- LG Chemical Research Park (2003. 12-present)
- Seoul National University: Ph.D. in Materials Science and Engineering (2004. 2)
- Seoul National University Graduate Student Awards in Materials Research (2002. 2)
- Seoul National University: M.S. in Materials Science and Engineering (2001. 2)
- Seoul National University: B.S. in Materials Science and Engineering (1999. 2)

Publications (International)
"Changes in the Lattice Constants of Thin-Film LiCoO2 Cathodes at the 4.2 V Charged State"
Yong Jeong Kim, Eung-Kyu Lee, Hyemin Kim, Jaephil Cho, Young Whan Cho, Byungwoo Park,* Seung Mo Oh, and Jong Kyu Yoon
J. Electrochem. Soc. 151, A1063 (2004).
"Electrochemical Stability of Thin-Film LiCoO2 Cathodes by Aluminum-Oxide Coating"
Yong Jeong Kim,* Hyemin Kim, Byoungsoo Kim, Donggi Ahn, Joon-Gon Lee, Tae-Joon Kim, Dongyeon Son, Jaephil Cho, Young-Woon Kim, and Byungwoo Park*
Chem. Mater. 15, 1505 (2003).
"Cathodes Based on LiCoO2 and LiNiO2 (Chapter 14)"
Byungwoo Park, Yong Jeong Kim, and Jaephil Cho
in Lithium Batteries: Science and Technology
edited by G.-A. Nazri and G. Pistoia (Kluwer Academic Publishers, Boston)
ISBN: 1-4020-7628-2, pp. 410-444 (2003).
"Suppression of Cobalt Dissolution from the LiCoO2 Cathodes with Various Metal-Oxide Coatings"
Yong Jeong Kim, Jaephil Cho,* Tae-Joon Kim, and Byungwoo Park
J. Electrochem. Soc. 150, A1723 (2003).
"The Effect of Al2O3 Coating on the Cycle-Life Performance in Thin-Film LiCoO2 Cathodes"
Yong Jeong Kim, Tae-Joon Kim, Jae Wook Shin, Byungwoo Park,* and Jaephil Cho
J. Electrochem. Soc. 149, A1337 (2002).
"Effect of Al2O3-Coated o-LiMnO2 Cathodes Prepared at Various Temperatures on the 55°C Cycling Behavior"
Jaephil Cho,* Yong Jeong Kim, Tae-Joon Kim, and Byungwoo Park
J. Electrochem. Soc. 149, A127 (2002).
"Zero-Strain Intercalation Cathode for Rechargeable Li-Ion Cell"
Jaephil Cho, Yong Jeong Kim, Tae-Joon Kim, and Byungwoo Park*
Angew. Chem. Int. Ed. 40, 3367 (2001). [Very Important Paper (VIP)]
"LiCoO2 Cathode Material That Does Not Show a Phase Transition from Hexagonal to Monoclinic Phase"
Jaephil Cho, Yong Jeong Kim, and Byungwoo Park*
J. Electrochem. Soc. 148, A1110 (2001).
"The Loss Kinetics of Substitutional Carbon in Si1-xCx Regrown by Solid Phase Epitaxy"
Yong Jeong Kim,* Tae-Joon Kim, Tae-Kyung Kim, Byungwoo Park,* and Jong Han Song
Jpn. J. Appl. Phys. 40, 773 (2001).
"Enhanced Structural Stability of o-LiMnO2 by Sol-Gel Coating of Al2O3"
Jaephil Cho,* Yong Jeong Kim, Tae-Joon Kim, and Byungwoo Park
Chem. Mater. 13, 18 (2001).
"Complete Blocking of Mn3+ Ion Dissolution from LiMn2O4 Spinel Intercalation Compound by Co3O4 Coating"
Jaephil Cho,* Tae-Joon Kim, Yong Jeong Kim, and Byungwoo Park
Chem. Commun. 2001, 1074 (2001).
"High-Performance ZrO2-Coated LiNiO2 Cathode Material"
Jaephil Cho,* Tae-Joon Kim, Yong Jeong Kim, and Byungwoo Park
Electrochem. Solid-State Lett. 4, A159 (2001).
"Structural Changes of Li3.1Mn0.91Cr1.09O4 Cathode Material"
Jaephil Cho,* Yong Jeong Kim, and Byungwoo Park
Solid State Ionics 138, 221 (2001).
"Novel LiCoO2 Cathode Material with Al2O3 Coating for a Li Ion Cell"
Jaephil Cho, Yong Jeong Kim, and Byungwoo Park*
Chem. Mater. 12, 3788 (2000).

Presentations (International)
"Suppression of Cobalt Dissolution from the LiCoO2 Cathodes by Metal-Oxide Coating"
Yong Jeong Kim, Jaephil Cho, Tae-Joon Kim, and Byungwoo Park
Electrochemical Society (ECS) Meeting. Paris, France, April 2003. [Poster by Yong Jeong Kim]
"Enhanced Lithium Diffusion in Thin-Film LiCoO2 Cathodes by Al2O3 Coating"
Yong Jeong Kim, Byoungsoo Kim, Tae-Joon Kim, Donggi Ahn, Joon-Gon Lee, Dongyeon Son, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, December 2002.
"Enhanced Lithium Diffusion in Thin-Film LiCoO2 Cathodes by Al2O3 Coating"
Yong Jeong Kim, Tae-Joon Kim, Byoungsoo Kim, Donggi Ahn, Dongyeon Son, Joon-Gon Lee, and Byungwoo Park
Electrochemical Society (ECS) Meeting. Salt Lake City, UT, October 2002. [Poster by Yong Jeong Kim]
"The Effect of Aluminum-Oxide Coating on the Cycling Behavior in Thin-Film LiCoO2 Cathodes"
Yong Jeong Kim, Tae-Joon Kim, Byoungsoo Kim, Donggi Ahn, Dongyeon Son, Joon-Gon Lee, and Byungwoo Park
Electrochemical Society (ECS) Meeting. Salt Lake City, UT, October 2002. [Poster by Yong Jeong Kim]
"Zero-Strain Intercalation Cathode for Rechargeable Lithium Batteries by Nanoscale Metal-Oxide Coating"
Yong Jeong Kim, Tae-Joon Kim, Donggi Ahn, Dongyeon Son, Jae Wook Shin, Byungwoo Park, and Jaephil Cho
International Symposium on Frontier Issues in Nanostructure Science and Technology. , Korea, March 2002.. [Oral by Yong Jeong Kim]
"Cathode Materials with Zero Strain for Lithium-Ion Batteries"
Yong Jeong Kim, Tae-Joon Kim, Byungwoo Park, and Jaephil Cho
Electrochemical Society (ECS) Meeting. San Francisco, CA, September 2001. [Poster by Yong Jeong Kim]
"The Effect of a Metal-Oxide Coating on the Cycling Behavior at 55°C in Orthorhombic LiMnO2 Cathode Materials"
Jaephil Cho, Tae-Joon Kim, Yong Jeong Kim, and Byungwoo Park
Electrochemical Society (ECS) Meeting. San Francisco, CA, September 2001.
"The Loss Kinetics of Substitutional Carbon in Si1-xCx Regrown by Solid Phase Epitaxy"
Yong Jeong Kim, Tae-Joon Kim, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, December 2000. [Poster by Yong Jeong Kim]
"Li2+xMn0.91Cr1.09O4 Cathode Materials for Li-Ion Cells"
Jaephil Cho, Geunbae Kim, Yong Jeong Kim, and Byungwoo Park
Electrochemical Society (ECS) Meeting. Phoenix, AZ, October 2000.
"LiCoO2 Cathode Material That does not show a Hexagonal to Monoclinic Phase Transition"
Jaephil Cho, Yong Jeong Kim, and Byungwoo Park
Electrochemical Society (ECS) Meeting. Phoenix, AZ, October 2000.

Presentations (Domestic)
"The Effect of Metal-Oxide Coating on the Electrochemical Properties in Thin-Film LiCoO2 Cathodes"
Hyemin Kim, Byoungsoo Kim, Yong Jeong Kim, Jaephil Cho, and Byungwoo Park
추계재료학회. , Korea, November 2003.
"The Effect of ZrO2 Coating on the Cycle-Life Performance in Thin-Film LiCoO2 Cathodes"
Donggi Ahn, Yong Jeong Kim, Byoungsoo Kim, Tae-Joon Kim, Dongyeon Son, Joon-Gon Lee, and Byungwoo Park
추계금속학회. , Korea, October 2002.
"The Effect of Metal-Oxide Coating on the Structural Stability in Lithium-Manganese-Oxide Cathode Materials"
Tae-Joon Kim, Yong Jeong Kim, Dongyeon Son, Byungwoo Park, and Jaephil Cho
추계금속학회. , Korea, October 2001.
"A Study on Loss Kinetics of Substitutional Carbon in Si0.984C0.016 Regrown by Solid Phase Epitaxy"
Yong Jeong Kim, Tae-Joon Kim, and Byungwoo Park
추계금속학회. , Korea, October 2000.
"Properties of Metastable Si1-xCx Grown by Ion Implantation and Solid Phase Epitaxy"
Yong Jeong Kim, Byungwoo Park, Hun-Joon Sohn, and Jong Han Song
춘계금속학회. , Korea, April 2000.