- Material engineering
- batteries
- secondary battery

2011 ~ 2013 Assistant Prefessor, Department of Materials Science and Engineering, Seoul National University
2013 ~ 2018 Associate Prefessor, Department of Materials Science and Engineering, Seoul National University
2017 ~ 2018 Visiting Scientis, Lawrence Berkeley National Laboratory, USA
2019 ~ 2021 Associate Dean for Research, College of EngineeringMaterials Research Society, USA
2019 ~ 2021 Board of Directors, Materials Research Society, USA
2020 ~ Present Reviewing Editor, Science (AAAS), USA
2020 ~ Present Associate Editor, Journal of Materials Chemistry A, Royal Society of Chemistry, UK
2020 ~ Present Fellow, Royal Society of Chemistry (FRSC)
2020 ~ Present Director, Center for Rechargeable Batteries, Seoul National University
2018 ~ Present Prefessor, Department of Materials Science and Engineering, Seoul National University

2013 Scientists of the Month Award
2017 Young Scientists Award
2020 Young Engineers Award