Recent advances in non-perfluorinated sulfonic acid proton exchange membranes in the energy field

Abstract

The proton exchange membrane (PEM) has become one of the most popular materials for membrane-based energy conversion and storage devices due to its robust proton transport performance and high selectivity. It holds significant promise in applications such as fuel cells and electrolytic hydrogen production. This review aims to explore the latest scientific research on the development of non-perfluorinated sulfonic acid proton exchange membranes (NPFSA-PEM). It analyzes the effects of NPFSA-PEM crosslinking methods on membrane performance, including hydrogen bond crosslinking, thermal crosslinking, and radiation crosslinking mechanisms, providing a comprehensive assessment of membrane enhancement. Additionally, the review summarizes the characteristics of NPFSA-PEM, including proton conduction capacity, mechanical stability, thermal stability, methanol barrier ability, and more. It highlights recent research progress, and enhancement pathways, and evaluates various optimization strategies. The review also delves into the research progress of NPFSA-PEM in applications such as fuel cells, flow batteries, and electrolytic hydrogen production. By discussing research prospects and associated challenges, the review provides insights into the future direction of NPFSA-PEM in these areas. Overall, it offers a comprehensive summary and evaluation, aiding researchers in understanding the latest advancements in NPFSA-PEM within the field of energy. It sheds light on the role of NPFSA-PEM development in advancing energy conversion and storage and is expected to provide new momentum for the development of clean energy technology.