As a leading figure in both the battery industry and academic research in Korea, he is also an internationally renowned scholar in the field of lithium battery research. His work primarily focuses on high-loading electrodes, solid-state batteries, advanced electrolytes, and wearable batteries. He has designed various electrode binders, developed dry electrode technology along with multiple low-temperature and fast-charging electrolytes. Related achievements have been implemented in companies such as LG Chem, contributing to the advancement of Korea’s battery industry. Professor Sang Young Lee served as Chief Scientist at LG Chem in Korea for over a decade (1997–2008), playing a significant role in the early commercialization of lithium-ion batteries in the country. Additionally, he has mentored dozens of professionals working in the battery field.With 248 papers published in top-tier journals including Nature Energy, Nature Communications, Energy & Environmental Science, Journal of the American Chemical Society, and Angewandte Chemie, his work has been cited 17650 times and he holds an h-index of 72.He currently serves as a director of the Yonsei battery research center, a head of the battery engineering department.