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公开(公告)号：US20210079534A1
公开(公告)日：2021-03-18
申请号：US16633557
申请日：2018-07-26
Applicant: MONASH UNIVERSITY
Inventor： Douglas MACFARLANE , Mega KAR , Jacinta BAKKER , Ciaran James MCDONNELL-WORTH , Colin Suk Mo KANG , Fengling ZHOU , Xinyi ZHANG , Bryan Harry Rahmat SURYANTO
Abstract: The present invention relates to a method, and a cell for carrying out the method for the electrochemical reduction of dinitrogen to ammonia. The method comprises the steps of: (1) contacting a cathodic working electrode comprising a nanostructured catalyst with an electrolyte comprising (a) one or more liquid salts optionally in combination with (b) one or more organic solvents having low viscosity and supporting high ionic conductivity, and (2) introducing dinitrogen and a source of hydrogen to the electrolyte, wherein the dinitrogen is reduced to ammonia at the cathodic working electrode.
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公开(公告)号：US20210238756A1
公开(公告)日：2021-08-05
申请号：US16972160
申请日：2019-06-27
Applicant: MONASH UNIVERSITY
Inventor： Douglas R. MACFARLANE , Bryan Harry Rahmat SURYANTO , Dabin WANG , Hoang-Long DU
IPC: C25B11/054 , C25B1/27 , C25B11/057 , C25B11/081
Abstract: The invention provides a cathode for the nitrogen reduction reaction, comprising an electrically conductive substrate and an electrocatalytic composition on the substrate, wherein the electrocatalytic composition comprises: a support material present in one or more crystalline phases; and metallic clusters dispersed on the support material, the metallic clusters comprising at least one metal selected from ruthenium, iron, rhodium, iridium and molybdenum, wherein at least 80 mass % of the support material is present in a semiconductive crystalline phase having a conduction band minimum energy below (more positive than) −0.3 V relative to the normal hydrogen electrode (NHE).
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公开(公告)号：US20230272541A1
公开(公告)日：2023-08-31
申请号：US18006297
申请日：2021-07-30
Applicant: MONASH UNIVERSITY
Inventor： Douglas R. MACFARLANE , Alexandr Nikolaevich SIMONOV , Bryan Harry Rahmat SURYANTO , Karolina MATUSZEK , Pavel CHEREPANOV
CPC classification number: C25B1/27 , C01C1/026 , C25B1/50 , C25B9/05 , C25B9/19 , C25B15/087 , C25B15/029
Abstract: The invention provides a method of continuous electrochemical dinitrogen reduction to produce ammonia, the method comprising: supplying dinitrogen to an electrochemical cell comprising an electrolyte in contact with at least a cathode; introducing protons to the electrolyte by anodic oxidation of a hydrogen-containing species; and cathodically reducing the dinitrogen in the presence of a metal selected from lithium, magnesium, calcium, strontium, barium, zinc, aluminium and vanadium to produce ammonia, wherein the electrolyte comprises a cationic proton carrier capable of reversible deprotonation to form a neutral proton acceptor, wherein the neutral proton acceptor is an ylide.
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