Direct Synthesis of Hydrogen Peroxide from Hydrogen and Oxygen Using Tailored Pd Nanocatalysts: A Review of Recent Findings

Seo, Myung Gi; Kim, Ho-Joong; Han, Sang Soo; Lee, Kwan Young

doi:10.1007/s10563-016-9221-y

Cited by 63 publications

(36 citation statements)

References 83 publications

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“…Calculations were performed with the VdW corrected opt-PBE functional, with a Methfessel-Paxton fermi smearing width of 0.2 eV [21][22][23][24][25][26][27][28]. Calculations were performed at the gamma k-point, with self-consistent convergence of the electronic ground state to at least 10 −5 eV.…”

Section: Methodsmentioning

confidence: 99%

Adsorption Energy Shifts for Oxygen and Hydroxyl on 4-atom Metal-Decorated Graphene Catalysts Via Solvation, pH, and Substrate Dopants: Effects on ORR Activity

Rankin

Lozano

2019

Metals

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Recent literature results have highlighted the role of small transition metal and intermetallic nanoparticles supported on graphene as catalysts for many key applications in energy and commodity chemicals industries. Specifically, metal nanoparticle catalysts down to sizes of 4 and even 1 (single atom catalysts) on graphene have been studied for the Oxygen Reduction Reaction (ORR). A recent study showed that 4-atom transition metal intermetallic nanoparticles (NP) on graphene (metal-decorated graphene (MDG)) even generate a predictive Volcano Plot for ORR activity. Initial results from that study were not completely explained, and an expanded analysis and discussion built from that work is presented in this manuscript. Specifically, in this new work, the original Volcano Plot for 4-atom MDG NP catalysts for the ORR is analyzed for its counter-intuitive thermodynamic inversion between the rate limiting steps of O* hydrogenation and OH* hydrogenation. The Volcano Plot is then further studied for dependence on solvent correction energy, system pH, and with an initial probe on the sensitivity of descriptor values on doping of the graphene support via B and N atoms. Recommendations for optimum 4-atom MDG NP catalyst operation for the ORR are provided, and directions for future work and study are provided.

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Section: Methodsmentioning

confidence: 99%

Adsorption Energy Shifts for Oxygen and Hydroxyl on 4-atom Metal-Decorated Graphene Catalysts Via Solvation, pH, and Substrate Dopants: Effects on ORR Activity

Rankin

Lozano

2019

Metals

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“…Although finding increasing use in the treatment of industrial waste streams, due to increasing legislation preventing the use of chloride containing oxidants, H 2 O 2 is primarily utilised in the paper/pulp bleaching and textile industries as well as in the chemical synthesis sector. Currently global demand for H 2 O 2 is growing at a rate of 4 % per annum and is expected to exceed 5.5 million tons by 2020 . This demand is driven primarily from the chemical synthesis sector with H 2 O 2 finding application in the production of propylene oxide (via the integrated HPPO process) and cyclohexanone oxime (via cyclohexanone ammoximation) which are key intermediates for the production of polyurethane and Nylon‐6 respectively.…”

Section: Introductionmentioning

confidence: 99%

The Direct Synthesis of H₂O₂ Using TS‐1 Supported Catalysts

et al. 2019

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In this study we show that using AuPd nanoparticles supported on a commercial titanium silicate (TS-1) prepared using a wet co-impregnation method it is possible to produce hydrogen peroxide from molecular H 2 and O 2 via the direct synthesis reaction. The effect of Au: Pd ratio and calcination temperature is evaluated as well as the role of Pt addition to the AuPd supported catalysts. The effect of Pt addition to AuPt nanoparticles is observed to result in a significant improvement in catalytic activity and selectivity to hydrogen peroxide with detailed characterisation indicating this is a result of selectively tuning the ratio of Pd oxidation states.

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“…Clearly, operating under safe conditions results in a drop of the H 2 O 2 productivity to industrially unacceptable values [8]. For all these reasons, the process has not yet been commercialized [5,[9][10][11][12][13], despite the efforts of several chemical companies that believe the development on an industrial scale would be a real breakthrough in oxidation technologies. Typical reaction conditions are: diluted H 2 /O 2 mixture feed gas, supported noble metal catalysts, acid promoters, methanol as solvent, near 0 • C reaction temperature, atmospheric or positive pressure and gas-liquid-solid three-phase reaction.…”

Section: Introductionmentioning

confidence: 99%

Looking for the “Dream Catalyst” for Hydrogen Peroxide Production from Hydrogen and Oxygen

et al. 2019

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The reaction between hydrogen and oxygen is in principle the simplest method to form hydrogen peroxide, but it is still a “dream process”, thus needing a “dream catalyst”. The aim of this review is to analyze critically the different heterogeneous catalysts used for the direct synthesis of H2O2 trying to determine the features that the ideal or “dream catalyst” should possess. This analysis will refer specifically to the following points: (i) the choice of the metal; (ii) the metal promoters used to improve the activity and/or the selectivity; (iii) the role of different supports and their acidic properties; (iv) the addition of halide promoters to inhibit undesired side reactions; (v) the addition of other promoters; (vi) the effects of particle morphology; and (vii) the effects of different synthetic methods on catalyst morphology and performance.

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Direct Synthesis of Hydrogen Peroxide from Hydrogen and Oxygen Using Tailored Pd Nanocatalysts: A Review of Recent Findings

Cited by 63 publications

References 83 publications

Adsorption Energy Shifts for Oxygen and Hydroxyl on 4-atom Metal-Decorated Graphene Catalysts Via Solvation, pH, and Substrate Dopants: Effects on ORR Activity

Adsorption Energy Shifts for Oxygen and Hydroxyl on 4-atom Metal-Decorated Graphene Catalysts Via Solvation, pH, and Substrate Dopants: Effects on ORR Activity

The Direct Synthesis of H₂O₂ Using TS‐1 Supported Catalysts

Looking for the “Dream Catalyst” for Hydrogen Peroxide Production from Hydrogen and Oxygen

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Direct Synthesis of Hydrogen Peroxide from Hydrogen and Oxygen Using Tailored Pd Nanocatalysts: A Review of Recent Findings

Cited by 63 publications

References 83 publications

Adsorption Energy Shifts for Oxygen and Hydroxyl on 4-atom Metal-Decorated Graphene Catalysts Via Solvation, pH, and Substrate Dopants: Effects on ORR Activity

Adsorption Energy Shifts for Oxygen and Hydroxyl on 4-atom Metal-Decorated Graphene Catalysts Via Solvation, pH, and Substrate Dopants: Effects on ORR Activity

The Direct Synthesis of H2O2 Using TS‐1 Supported Catalysts

Looking for the “Dream Catalyst” for Hydrogen Peroxide Production from Hydrogen and Oxygen

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Product

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The Direct Synthesis of H₂O₂ Using TS‐1 Supported Catalysts