2017
DOI: 10.1016/j.chempr.2017.10.016
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Reaction: “Green” Ammonia Production

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Cited by 115 publications
(61 citation statements)
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“…Based on combined XRD, X-ray absorption spectroscopy (XAS) and isotope labelling results, we proposed that ammonia decomposition over Fe 2 N and Li 2 NH may proceed via the following steps (eqns. [2][3][4], where Li 2 NH serves as a co-catalyst rather than electronic promoter participating in the catalytic cycle. Li + executes inductive effect to stabilize the TM-N bonding and thus alters the reaction energetics of ammonia decomposition.…”
Section: The Development Of Transition Metal-amide/imide Composite Camentioning
confidence: 99%
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“…Based on combined XRD, X-ray absorption spectroscopy (XAS) and isotope labelling results, we proposed that ammonia decomposition over Fe 2 N and Li 2 NH may proceed via the following steps (eqns. [2][3][4], where Li 2 NH serves as a co-catalyst rather than electronic promoter participating in the catalytic cycle. Li + executes inductive effect to stabilize the TM-N bonding and thus alters the reaction energetics of ammonia decomposition.…”
Section: The Development Of Transition Metal-amide/imide Composite Camentioning
confidence: 99%
“…Recently, it is regarded as a promising carbon-free energy carrier because of its high hydrogen content (17.7 wt%), high energy density (3 kWh•kg -1 ), facile storage and transportation, and well-established infrastructure for handling ammonia. [1][2][3][4][5] An ideal scenario for this purpose is the synthesis of ammonia at renewable energy rich sites and release of the energy or hydrogen stored in ammonia at the energy demand sites. [2] The key challenge is to synthesize ammonia and decompose ammonia with high efficiency under mild conditions.…”
Section: Introductionmentioning
confidence: 99%
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“…As showni nF igure2f, ther esidence time of gascomposition over thec atalyst bedis expresseda sinverse of itsg as hour spacevelocity(GHSV À1 ). Theselectivity of Ntoproduce N 2 H 4 is significantlyincreased especially over the Ba-Ru-Li/ACc atalyst while NH 3 is decreased at shorter residence time suggesting that N 2 H 4 is the primary intermediate of NH 3 .N egligible signal of N 2 H 4 was obtained over the non-lithiated Ru sample. c) Calculated energy diagramsf or ammonia synthesis via dissociative and non-dissociative pathways on Ru{0001}s urface;the binding energy,E tot ,i sdefined relative to the energies for the free Ru{0001} surface (*).…”
Section: Resultsmentioning
confidence: 99%
“…This new electrolysis Haber-Bosch (eHB) would therefore remove carbon from the production of ammonia, decreasing emissions associated with fertilizer use while also providing an alternative to hydrogen as am eans of energy storage. [3] There have been some recent studies to employ lower temperatures in ammonia synthesis.F or the miniaturization, the main challenge to the new process is perhaps how to produce ammonia at lower pressure with recycling unreacted substrates (< 5MPa) without using expensive pressure ramping and cumbersome high pressure installations.T hus,hydrogen manufactured from an electrolyser at lower pressure would require coupling with an efficient catalyst to achieve high ammonia production rate in smaller and flexible eHB units for deployment.…”
Section: Introductionmentioning
confidence: 99%