- Materials for Next Generation Batteries
- Synthesis and Characterization of Electrode Materials
- Design of New Materials and Synthetic Route

1998 ~ 1999 Postdoctoral Fellow, Texas Materials Institute, USA
1999 ~ 2003 Staff Scientist, Argonne National Laboratory, USA
2003 ~ present Professor, Chonnam National University
2008 ~ 2009 Visiting Professor, The University of Texas at Austin, USA
2009 ~ 2012 Director, CNU WCU program, Funded by KRF
2013 ~ 2017 Director, CNU BK21+ program, Funded by KRF
2017 ~ present Director, CNU ERC program, Funded by KRF
2017 ~ 2022 Director, CNU LINC+ program, Funded by KRF
2019 ~ 2021 Dean of Research, Chonnam National University
2019 ~ 2021 Director, CNU R&BD Foundation, Chonnam National University

2013 Korean Government, Minister of Science and ICT Award
2015 Korean Government, Minister of Science and ICT Award
2020 Korean Government, Prime Minister Award