First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis

As one of the most important gases used in our human history and the ecology of our planet, ammonia has played a key role as the chemical feedstock in the synthesis of reactive nitrogen compounds between nitrogen-fixing rhizobia and plants. With more upcoming clean renewable energy technology aim...

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Main Author: Foo, Yong Chean
Other Authors: Li Shuzhou
Format: Final Year Project (FYP)
Language:English
Published: Nanyang Technological University 2022
Subjects:
Online Access:https://hdl.handle.net/10356/159187
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author Foo, Yong Chean
author2 Li Shuzhou
author_facet Li Shuzhou
Foo, Yong Chean
author_sort Foo, Yong Chean
collection NTU
description As one of the most important gases used in our human history and the ecology of our planet, ammonia has played a key role as the chemical feedstock in the synthesis of reactive nitrogen compounds between nitrogen-fixing rhizobia and plants. With more upcoming clean renewable energy technology aiming to make use of its high volumetric energy density for its potential for fuel and cheap grid-level scale energy storage solution, demand for NH3 has been at its highest yet. Therefore, alternatives to ammonia production have been highly sought after to replace the ever energy intensive and huge quantities of greenhouse gas that is produced by Haber-Bosch process every day. Electrochemical synthesis of ammonia which has shown the most promise out of the 3 clean alternatives to Haber-Bosch process represents an attractive prospect for sustainable agriculture. With numerous progresses being made recently for nitrogen reduction reaction (NRR), it is still far from practice, owning to the chemical inertness of nitrogen molecule. Hence, with nitric oxide reduction reaction (NORR) potentially being an option to overcome the difficulties faced in NRR, in this simulation, we would like to explore and trial the possibility of NORR for use in electrochemical synthesis of ammonia by providing a more in-depth and comprehensive analysis. As such, in this project, we would like to present insights from density functional theory (DFT) simulations and calculations among a group of metals, namely, Ag, Au, Cu, Ni, Pd and Pt on facet (111) as it is the most stable site and facet (110) as it is a common stepped edge that can be found on the nanoparticle. With these 2 facets, we will be able to provide a realistic and accurate first step analysis of the reaction to describes the prospect of NORR in ammonia electrochemical synthesis. Hydrogen evolution reaction (HER) will be considered as well during our calculation since it is the major competition reaction during reduction of nitrogen species.
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spelling ntu-10356/1591872022-06-10T05:01:33Z First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis Foo, Yong Chean Li Shuzhou School of Materials Science and Engineering Liu Jiyuan LISZ@ntu.edu.sg, jiyuan.liu@ntu.edu.sg Engineering::Materials::Energy materials Engineering::Materials::Testing of materials As one of the most important gases used in our human history and the ecology of our planet, ammonia has played a key role as the chemical feedstock in the synthesis of reactive nitrogen compounds between nitrogen-fixing rhizobia and plants. With more upcoming clean renewable energy technology aiming to make use of its high volumetric energy density for its potential for fuel and cheap grid-level scale energy storage solution, demand for NH3 has been at its highest yet. Therefore, alternatives to ammonia production have been highly sought after to replace the ever energy intensive and huge quantities of greenhouse gas that is produced by Haber-Bosch process every day. Electrochemical synthesis of ammonia which has shown the most promise out of the 3 clean alternatives to Haber-Bosch process represents an attractive prospect for sustainable agriculture. With numerous progresses being made recently for nitrogen reduction reaction (NRR), it is still far from practice, owning to the chemical inertness of nitrogen molecule. Hence, with nitric oxide reduction reaction (NORR) potentially being an option to overcome the difficulties faced in NRR, in this simulation, we would like to explore and trial the possibility of NORR for use in electrochemical synthesis of ammonia by providing a more in-depth and comprehensive analysis. As such, in this project, we would like to present insights from density functional theory (DFT) simulations and calculations among a group of metals, namely, Ag, Au, Cu, Ni, Pd and Pt on facet (111) as it is the most stable site and facet (110) as it is a common stepped edge that can be found on the nanoparticle. With these 2 facets, we will be able to provide a realistic and accurate first step analysis of the reaction to describes the prospect of NORR in ammonia electrochemical synthesis. Hydrogen evolution reaction (HER) will be considered as well during our calculation since it is the major competition reaction during reduction of nitrogen species. Bachelor of Engineering (Materials Engineering) 2022-06-10T05:01:33Z 2022-06-10T05:01:33Z 2022 Final Year Project (FYP) Foo, Y. C. (2022). First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/159187 https://hdl.handle.net/10356/159187 en application/pdf Nanyang Technological University
spellingShingle Engineering::Materials::Energy materials
Engineering::Materials::Testing of materials
Foo, Yong Chean
First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
title First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
title_full First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
title_fullStr First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
title_full_unstemmed First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
title_short First-principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
title_sort first principles study of nitric oxide reduction reactions for ammonia electrochemical synthesis
topic Engineering::Materials::Energy materials
Engineering::Materials::Testing of materials
url https://hdl.handle.net/10356/159187
work_keys_str_mv AT fooyongchean firstprinciplesstudyofnitricoxidereductionreactionsforammoniaelectrochemicalsynthesis