Seawater electrolysis is a sustainable energy conversion technology that generates clean energy by splitting seawater into hydrogen and oxygen.However,the catalysts used in seawater electrolysis often face significant...Seawater electrolysis is a sustainable energy conversion technology that generates clean energy by splitting seawater into hydrogen and oxygen.However,the catalysts used in seawater electrolysis often face significant stability challenges because of the high concentration of salt ions and other impurities present in seawater.This review aims to discern the pivotal factors influencing catalyst stability in seawater electrolysis,elucidate the corrosion and electrochemical degradation mechanisms,and delve into the various strategies employed to enhance catalyst stability.These strategies encompass catalyst material selection,surface modification techniques,catalyst support materials,and catalyst design strategies.By gaining deeper insights into the obstacles and innovations concerning catalyst stability in seawater electrolysis,this review strives to expedite progress toward the commercialization and widespread adoption of this technology as a renewable and feasible approach for hydrogen production.Ultimately,the goal is to foster a cleaner and more sustainable future by enabling the efficient and enduring generation of hydrogen from seawater.展开更多
基金the support from the National Natural Science Foundation of China(Nos.52231008,52201009,52301013 and 52301190)international Science&Technology Cooperation Program of Hainan Province(GHYF2023007)+5 种基金the Hainan Provincial Natural Science Foundation of China(223RC401,524QN225)the Education Department of Hainan Province(Hnky2024ZD-2,Hnky2023ZD-2)Scientific and Technological Project of Yunnan Precious Metals Laboratory(YPML-2023050268)the Open Project of State Key Laboratory of Environment-friendly Energy Materials(23kfhg13)starting Research Funds of the Hainan University of China(KYQD(ZR)-21105,KYQD(ZR)-23090)Collaborative Innovation Center of Marine Science and Technology,Hainan University(XTCX2022HYC18,XTCX2022HYC22).
文摘Seawater electrolysis is a sustainable energy conversion technology that generates clean energy by splitting seawater into hydrogen and oxygen.However,the catalysts used in seawater electrolysis often face significant stability challenges because of the high concentration of salt ions and other impurities present in seawater.This review aims to discern the pivotal factors influencing catalyst stability in seawater electrolysis,elucidate the corrosion and electrochemical degradation mechanisms,and delve into the various strategies employed to enhance catalyst stability.These strategies encompass catalyst material selection,surface modification techniques,catalyst support materials,and catalyst design strategies.By gaining deeper insights into the obstacles and innovations concerning catalyst stability in seawater electrolysis,this review strives to expedite progress toward the commercialization and widespread adoption of this technology as a renewable and feasible approach for hydrogen production.Ultimately,the goal is to foster a cleaner and more sustainable future by enabling the efficient and enduring generation of hydrogen from seawater.
