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Ammonia Splitting for Renewable Energy Conversion.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Ammonia Splitting for Renewable Energy Conversion./
Author:	Ghazfar, Reza.
Description:	1 online resource (228 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 84-07, Section: B.
Contained By:	Dissertations Abstracts International84-07B.
Subject:	Chemistry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30242947click for full text (PQDT)
ISBN:	9798368421094

Ammonia Splitting for Renewable Energy Conversion.
Ghazfar, Reza.

Ammonia Splitting for Renewable Energy Conversion. - 1 online resource (228 pages)

Source: Dissertations Abstracts International, Volume: 84-07, Section: B.

Thesis (Ph.D.)--Michigan State University, 2023.

Includes bibliographical references

Due to the intermittent nature of renewable energy sources like wind and solar, efficient energy storage and distribution is essential when these sources are dormant. Among potential candidates for chemical energy storage, ammonia is gaining more attention, owing to its zero-carbon footprint, relatively efficient synthesis on a global scale, and well-established transportation infrastructure. If ammonia is synthesized via renewable energy sources, the efficient conversion of NH3 to N2 and H2 would complete an energy cycle where H2 stored as NH3 can fuel hydrogen/hybrid vehicles that are being commercialized. The efficiency of ammonia electrolysis to N2 and H2 can be improved by catalysts designed to lower the high overpotentials for oxidation and reduction at conventional electrodes. This work first describes the synthesis of tris and mono(ammine) iron complexes with tridentate phosphine ligands and their role in increasing current densities for NH3 oxidation relative to current densities generated using standard anodes. Electrocatalytic ammonia oxidation by a mononuclear ruthenium ammine complex supported by an isoindole-based tridentate ligand has been investigated next and its oxidation potential has been compared to previously reported mononuclear ruthenium ammine catalysts. At the end, a dinuclear polypyridine ruthenium bis(ammine) complex was reported in which ruthenium centers are held in close proximity by a bridging ligand in a way two NH3 ligands have a syn relationship, allowing the possibility of intramolecular oxidative N-N coupling.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798368421094Subjects--Topical Terms:

516420
Chemistry.
Subjects--Index Terms:

Ammonia oxidationIndex Terms--Genre/Form:

542853
Electronic books.

Ammonia Splitting for Renewable Energy Conversion.
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100 1 $a Ghazfar, Reza. $3 3694714
245 1 0 $a Ammonia Splitting for Renewable Energy Conversion.
264 0 $c 2023
300 $a 1 online resource (228 pages)
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500 $a Source: Dissertations Abstracts International, Volume: 84-07, Section: B.
500 $a Advisor: Warren, Timothy.
502 $a Thesis (Ph.D.)--Michigan State University, 2023.
504 $a Includes bibliographical references
520 $a Due to the intermittent nature of renewable energy sources like wind and solar, efficient energy storage and distribution is essential when these sources are dormant. Among potential candidates for chemical energy storage, ammonia is gaining more attention, owing to its zero-carbon footprint, relatively efficient synthesis on a global scale, and well-established transportation infrastructure. If ammonia is synthesized via renewable energy sources, the efficient conversion of NH3 to N2 and H2 would complete an energy cycle where H2 stored as NH3 can fuel hydrogen/hybrid vehicles that are being commercialized. The efficiency of ammonia electrolysis to N2 and H2 can be improved by catalysts designed to lower the high overpotentials for oxidation and reduction at conventional electrodes. This work first describes the synthesis of tris and mono(ammine) iron complexes with tridentate phosphine ligands and their role in increasing current densities for NH3 oxidation relative to current densities generated using standard anodes. Electrocatalytic ammonia oxidation by a mononuclear ruthenium ammine complex supported by an isoindole-based tridentate ligand has been investigated next and its oxidation potential has been compared to previously reported mononuclear ruthenium ammine catalysts. At the end, a dinuclear polypyridine ruthenium bis(ammine) complex was reported in which ruthenium centers are held in close proximity by a bridging ligand in a way two NH3 ligands have a syn relationship, allowing the possibility of intramolecular oxidative N-N coupling.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Chemistry. $3 516420
650 4 $a Alternative energy. $3 3436775
650 4 $a Chemical engineering. $3 560457
653 $a Ammonia oxidation
653 $a Electrocatalysis
653 $a Energy storage
653 $a Nitrogen energy cycle
653 $a Renewable energy
653 $a Zero carbon emitting fuel
655 7 $a Electronic books. $2 lcsh $3 542853
690 $a 0485
690 $a 0542
690 $a 0363
710 2 $a ProQuest Information and Learning Co. $3 783688
710 2 $a Michigan State University. $b Chemistry - Doctor of Philosophy. $3 2094041
773 0 $t Dissertations Abstracts International $g 84-07B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30242947 $z click for full text (PQDT)