Proton-exchange membrane water electrolysis: From fundamental study to industrial application

In this Activity article, Shenlong Zhao (professor at the National Center for Nanoscience and Technology), Lei Du (associate professor at Guangzhou University), Siyu Ye (professor at Guangzhou University and vice chair and chief technology officer at SinoHykey), and their collaborators exchange their views on the recent progress of, insights into, and applications of key materials for proton-exchange membrane (PEM) water electrolysis.