In a recent article in Nature,Mi and coworkers from the University of Michigan reported a solar-to-hydrogen(STH)efficiency of>9%in converting water into hydrogen and oxygen[1],which represents an important breakthr...In a recent article in Nature,Mi and coworkers from the University of Michigan reported a solar-to-hydrogen(STH)efficiency of>9%in converting water into hydrogen and oxygen[1],which represents an important breakthrough in this field due to the benchmarking leap in STH efficiency of photocatalytic overall water splitting under natural sunlight.展开更多
CO_(2)is not only the primary cause of climate change but also an abundant and recyclable carbon resource.The breakthrough in emerging disruptive technologies such as carbon capture and storage(CCS),power-to-X,and dir...CO_(2)is not only the primary cause of climate change but also an abundant and recyclable carbon resource.The breakthrough in emerging disruptive technologies such as carbon capture and storage(CCS),power-to-X,and direct air capture(DAC)is fundamental to achieving carbon neutrality.Among these technologies,artificial photosynthesis offers an attractive method for recycling carbon dioxide and water into fuels and chemicals using solar energy(CO_(2)+H_(2)O+sunlight→fuels+chemicals).It holds great promise for addressing the critical challenges associated with elevated CO_(2)concentrations and securing a sustainable supply of fuels and chemicals for economic sectors.展开更多
Ammonia is not only an important platform chemical for industrial and agri-cultural use but is also a novel energy-carrying molecule.The electrochemical reduction method for ambient ammonia synthesis is emerging as a ...Ammonia is not only an important platform chemical for industrial and agri-cultural use but is also a novel energy-carrying molecule.The electrochemical reduction method for ambient ammonia synthesis is emerging as a promising strategy for the replacement of the current Haber–Bosch ammonia synthesis method,which consumes a large amount of energy and natural gas(hydrogen resource)while releasing substantial greenhouse gases(eg,carbon dioxide).The challenges in electrochemical ammonia synthesis,also known as nitrogen reduc-tion reaction,primarily include the cleavage of extremely stable N≡N bonds and the competitive hydrogen evolution reaction in routine aqueous media,which significantly leads to a low production rate and Faradaic efficiency.The ratio-nal design and engineering of the electrocatalyst/electrolyte interface are crucial to address these challenges.Herein,recent achievements for catalyst/electrolyte interface engineering are reviewed to provide insights into enhancing the pro-duction rate and Faradaic efficiency.Perspectives on future research and devel-opment of the electrochemical ammonia synthesis from theory to practice will be provided.展开更多
文摘In a recent article in Nature,Mi and coworkers from the University of Michigan reported a solar-to-hydrogen(STH)efficiency of>9%in converting water into hydrogen and oxygen[1],which represents an important breakthrough in this field due to the benchmarking leap in STH efficiency of photocatalytic overall water splitting under natural sunlight.
文摘CO_(2)is not only the primary cause of climate change but also an abundant and recyclable carbon resource.The breakthrough in emerging disruptive technologies such as carbon capture and storage(CCS),power-to-X,and direct air capture(DAC)is fundamental to achieving carbon neutrality.Among these technologies,artificial photosynthesis offers an attractive method for recycling carbon dioxide and water into fuels and chemicals using solar energy(CO_(2)+H_(2)O+sunlight→fuels+chemicals).It holds great promise for addressing the critical challenges associated with elevated CO_(2)concentrations and securing a sustainable supply of fuels and chemicals for economic sectors.
基金Natural Sciences and Engineering Research Council of Canada(NSERC)Fonds de Recherche du Québec-Nature et Technologies(FRQNT)+4 种基金Centre Québécois sur les Materiaux Fonctionnels(CQMF)Institut National de la Recherche Scien-tifique(INRS)National Natural Science Foundation of China,Grant/Award Num-bers:21805064,51803042International Postdoctoral Exchange Fellowship Pro-gram by the Office of China Postdoctoral Council,Grant/Award Number:20180072FRQNT for the Postdoctoral scholarship,Grant/Award Number:274384。
文摘Ammonia is not only an important platform chemical for industrial and agri-cultural use but is also a novel energy-carrying molecule.The electrochemical reduction method for ambient ammonia synthesis is emerging as a promising strategy for the replacement of the current Haber–Bosch ammonia synthesis method,which consumes a large amount of energy and natural gas(hydrogen resource)while releasing substantial greenhouse gases(eg,carbon dioxide).The challenges in electrochemical ammonia synthesis,also known as nitrogen reduc-tion reaction,primarily include the cleavage of extremely stable N≡N bonds and the competitive hydrogen evolution reaction in routine aqueous media,which significantly leads to a low production rate and Faradaic efficiency.The ratio-nal design and engineering of the electrocatalyst/electrolyte interface are crucial to address these challenges.Herein,recent achievements for catalyst/electrolyte interface engineering are reviewed to provide insights into enhancing the pro-duction rate and Faradaic efficiency.Perspectives on future research and devel-opment of the electrochemical ammonia synthesis from theory to practice will be provided.
