Xi Chen visited Xi Chen at Tsinghua!

On Mar. 22nd, Prof. Xi Chen visited another Prof. Xi Chen at Tsinghua University. The two Xi Chen-s have exactly the same characters and have known each other for years, now they are working on similar topics. Our Prof. Chen was invited to give a talk titled "Advancing separation technologies for a circular battery manufacturing". The event was held for celebrating the 40th anniversary of Tsinghua College of Environment.