Young-Sik Hahn

Title: Young-Sik Hahn: Innovator in Lithium-Metal Composite Oxides

Introduction

Young-Sik Hahn is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of materials science, particularly in the development of lithium-metal composite oxides. With a total of 2 patents, his work focuses on enhancing the electrochemical properties of these materials.

Latest Patents

Hahn's latest patents include a preparation method for lithium-metal composite oxides. This method involves mixing an aqueous solution of transition metal-containing precursor compounds with an alkalifying agent and a lithium precursor compound to precipitate hydroxides of the transition metals. The mixture is then subjected to supercritical or subcritical conditions to synthesize the lithium-metal composite oxide, which is subsequently dried. The dried composite can undergo calcination or granulation followed by calcination, resulting in a uniform solid solution with improved metal ordering. This innovation leads to enhanced crystal stability and excellent electrochemical properties. Another patent relates to lithium-containing metal composite oxides that include paramagnetic and diamagnetic metals, which meet specific criteria for optimal performance.

Career Highlights

Throughout his career, Young-Sik Hahn has worked with notable companies such as LG Chem and Hanwha Chemical Corporation. His experience in these organizations has contributed to his expertise in the field of electrochemical devices and materials.

Collaborations

Hahn has collaborated with esteemed colleagues, including Sung-Kyun Chang and Eui-Yong Bang, to advance research in lithium-metal composite oxides.

Conclusion

Young-Sik Hahn's innovative work in the field of lithium-metal composite oxides showcases his commitment to advancing materials science. His patents reflect a deep understanding of electrochemical properties, which can lead to significant advancements in energy storage technologies.