Efficient Hydrogen Liberation from Formic Acid Catalyzed …

2013-5-6 · The efficient and selective hydrogen liberation from formic acid is catalyzed by an iron pincer complex in the presence of trialkylamine (see scheme). Turnover frequencies up to 836 h −1 and turnover numbers up to 100 000 were achieved at 40 °C.

Hydrogen production from formic acid decomposition at …

Formic acid (HCOOH) has great potential as an in situ source of hydrogen for fuel cells, because it offers high energy density, is non-toxic and can be safely handled in aqueous solution. So far, there has been a lack of solid catalysts that are sufficiently active and/or selective for hydrogen production from formic acid at room temperature.

Publication Year: 2020 / Subject: air and oxidants

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Iron-Catalyzed Hydrogen Production from Formic Acid

Iron-catalyzed hydrogen production from formic acid

Metal Nanoparticle-Catalyzed Hydrogen Generation from …

2018-2-27 · Formic acid (FA, HCOOH) is a liquid under ambient conditions with a high hydrogen content of 4.4 wt %. Formic acid, as a product from biomass processing, has the advantages of non-toxicity, good stability and easy storage and transport, making it available as a liquid hydrogen carrier for fuel cells.

Publication Year: 2021 / Subject: hydrogen production and …

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Publication Year: 2022 / Subject: hydrogen and ligands

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Iron-catalyzed hydrogen production from formic acid.

Here, the first light-driven iron-based catalytic system for hydrogen generation from formic acid is reported. By application of a catalyst formed in situ from inexpensive Fe(3)(CO)(12), 2,2'':6''2''''-terpyridine or 1,10-phenanthroline, and triphenylphosphine, hydrogen generation is possible under visible light irradiation and ambient temperature.

Formic Acid as a Viable Hydrogen Storage …

2016-8-3 · Recently, scientists in Europe have identified formic acid as one of the most promising materials for hydrogen storage because formic acid is a liquid that contains 4.4 wt.% of hydrogen with a volumetric capacity of 53.4 g/l at …

A nitrite-promoted rhodium(III) catalyst for hydrogen …

1996-10-1 · Noble metal catalyzed hydrogen generation from formic acid in nitrite-containing simulated nuclear waste media. ... Water accelerates formic acid production, whereas PMe{sub 2}Ph is an inhibitor. Kinetic studies show that the rate of formic acid appearance in first order each in [2], pH{sub 2}, and p{sub CO2} in the range 50-300 psi (following ...

Subject: iridium

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Iron-catalyzed hydrogen production from formic acid

2010-7-7 · Here, the first light-driven iron-based catalytic system for hydrogen generation from formic acid is reported. By application of a catalyst formed in situ from inexpensive Fe(3)(CO)(12), 2,2'':6''2''''-terpyridine or 1,10-phenanthroline, and triphenylphosphine, hydrogen generation is possible under visible light irradiation and ambient temperature.

cors.archive

2022-5-8 · CHAPTER I PROPERTIES OF EXPLOSIVES Definition An explosive is a material, cither a pure single substance or a mixture of substances, which is capable of producing an ex- …

Iron-Catalyzed Hydrogen Production from Formic Acid

Here, the first light-driven iron-based catalytic system for hydrogen generation from formic acid is reported. By application of a catalyst formed in situ from inexpensive Fe 3 (CO) 12, 2,2′:6′2′′-terpyridine or 1,10-phenanthroline, and triphenylphosphine, hydrogen generation is possible under visible light irradiation and ambient ...

Publication Year: 2017 / Subject: catalysts and catalytic …

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Hydrogen Production from Formic Acid Catalyzed by a …

2019-10-23 · 4. Calculation of hydrogen volume, the TON and the TOF by ratio of H 2: CO 2. Some experiments showed a H 2: CO 2 gas composition of 1:1 (Table 1, entries 1-11; Table 2, entries 1, 7-8, 11-13). But, for some experiments the detected gas ratio misbalanced with an excess of hydrogen (Table 2, entries 2-6, 9-10, 14).

Publication year rev: 7978-2022 / Subject: formic acid and …

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PDF - Formic acid dehydrogenation (FAD) is considered as a promising process in the context of hydrogen storage. Its low toxicity, availability and convenient handling make FA attractive as a potential hydrogen carrier. To date, most promising catalysts have been based on noble metals, such as ruthenium and iridium. Efficient non-noble metal systems like iron were designed but …

Metal-Nanoparticle-Catalyzed Hydrogen Generation from …

2017-6-20 · Hydrogen (H 2 ) is a renewable, clean energy carrier, which exhibits a threefold energy density compared to gasoline; H 2 i … To meet the ever-increasing energy demand, the development of effective, renewable, and environmentally friendly sources of alternative energy is imperative. ... Metal-Nanoparticle-Catalyzed Hydrogen Generation from ...

Publication year rev: 7978-2022 / Subject: formic acid and …

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Iron-Catalyzed Hydrogen Production from Formic Acid

2010-6-15 · Here, the first light-driven iron-based catalytic system for hydrogen generation from formic acid is reported. By application of a catalyst formed in situ from inexpensive Fe 3 (CO) 12, 2,2′:6′2′′-terpyridine or 1,10-phenanthroline, and triphenylphosphine, hydrogen generation is possible under visible light irradiation and ambient ...

Hydrogen production from formic acid catalyzed by a …

2020-1-20 · Formic acid dehydrogenation (FAD) is considered as a promising process in the context of hydrogen storage. Its low toxicity, availability and convenient handling make FA attractive as a potential hydrogen carrier. To date, most promising catalysts have been based on noble metals, such as ruthenium and iridiu

Publication Year: 2017 / Subject: catalysts and catalytic …

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Iron-catalyzed hydrogen production from formic acid.

2010-6-15 · The first light-driven iron-based catalytic system for hydrogen generation from formic acid is reported and it is shown that the reaction mechanism includes iron hydride species which are generated exclusively under irradiation with visible light. Hydrogen represents a clean energy source, which can be efficiently used in fuel cells generating electricity with water as the only …

Publication Year: 2021 / Subject: catalysts and carbon …

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Iron-Catalyzed Hydrogen Production from Formic Acid

Here, the first light-driven iron-based catalytic system for hydrogen generation from formic acid is reported. By application of a catalyst formed in situ from inexpensive Fe3(CO)12, 2,2′:6′2′′-terpyridine or 1,10-phenanthroline, and triphenylphosphine, hydrogen generation is possible under visible light irradiation and ambient temperature.

Base‐Free Non‐Noble‐Metal‐Catalyzed Hydrogen …

2014-9-4 · The iron-catalyzed dehydrogenation of formic acid has been studied both experimentally and mechanistically. The most active catalysts were generated in situ from cationic Fe II /Fe III precursors and tris[2-(diphenylphosphino)ethyl]phosphine (1, PP 3). In contrast to most known noble-metal catalysts used for this transformation, no additional ...

Hydrogen Production from the Water-Gas Shift Reaction …

2014-9-25 · Unsupported and supported iron oxide catalysts were prepared by incipient wetness impregnation method and studied in the water-gas shift reaction (WGSR) in the temperature range 350–450°C. The techniques of characterization employed were BET, X-ray diffraction, acid-base measurements by microcalorimetry and in situ diffuse reflectance …

Recent progress in hydrogen production from formic acid …

2018-4-5 · Among these solutions, hydrogen production from formic acid (FA) is a promising route to store and release at room temperature, with the advantages of high gravimetric (4.4 wt%) and volumetric (53.4 g/L) H 2 capacity .As the simplest carboxylic acid, FA is a colorless and low toxicity liquid at ambient condition (density = 1.22 g/mL, m.p. = 281.5 K, b.p. = 373.9 K), which …