Welcome to the Energy Conversion Circuit Laboratory, also known more succinctly as ECCL. Our mission is to provide power electronic solutions in energy systems, electric vehicles, renewable energy systems, and wireless power transfer.  

     In ECCL, we focus to explore and address the challenge and problems of the industrial demand toward the technologically-advanced and clean-powered society.

     The ECCL is at the University of Ulsan, the Republic of Korea, led by Professor Sung-Jin Choi. Under Prof. Choi’s guidance, 4 Ph.D. and 4 Master’s candidates are striving non-stop to achieve their goals. We welcome every chance for forming a collaboration or applying as a graduate student.  Please feel free to Join with us. «