The 6th Int'l Conference on Battery and Fuel Cell Technologies (BFCT 2025) will be held during December 5-7, 2025 in Sanya, China. This conference will cover issues on Li-S batteries, Production and recycling of battery systems and cells, Battery technologies, Fuel cell technology, Fuel cell engineering, etc. BFCT 2025 dedicates to creating a stage for exchanging the latest research results and sharing the advanced research methods.