
Dr. Ji works at the forefront of developing safety standards for emerging technologies in batteries, electrification, and clean-energy systems
Dr. Yi Ji is a lead standards engineer at UL Standards & Engagement, where she works at the forefront of developing safety standards for emerging technologies in batteries, electrification, and clean-energy systems. She focuses on translating complex technical innovation into practical frameworks that support safe adoption, market confidence, and long-term sustainability.
Prior to joining ULSE, Yi served as a principal scientist at the Albemarle Corporation, leading research and development in lithium metal anode production and battery recycling. Her work has advanced techniques for recovering critical materials from end-of-life batteries and improving the efficiency and economics of recycling processes, which are key priorities in strengthening a more resilient and sustainable energy supply chain.
A published researcher and inventor, Yi holds multiple patents and has contributed to peer-reviewed research on battery materials, hydrometallurgical processes, and circular economy strategies.
Yi holds a Ph.D. in environmental and ecological engineering from Purdue University, where she focused on innovative approaches to recovering cathode materials from used lithium-ion batteries. Her research continues to contribute to industry progress today.