Low-temperature ortho–para hydrogen conversion catalyzed by gold nanoparticles: Particle size does not affect the rate
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The o- to p-H2 conversion usually takes time since the perturbations involving the nuclear spins are small in magnitude and a non-equilibrium mixture may occur.
“This reaction, known as ortho to para conversion, usually takes time since the perturbations involving the nuclear spins are small in magnitude [47] and a non-equilibrium mixture may occur [48].”
From Strategies to recover and minimize boil-off losses during liquid hydrogen storage (2023) · cites this paper as [48]
At absolute zero, all the hydrogen molecules must be in a rotational ground state and thus 100% para-hydrogen.
“At absolute zero, all the hydrogen molecules must be in a rotational ground state and thus 100% para-hydrogen [65].”
From Modelling of Liquid Hydrogen Boil-Off (2022) · cites this paper as [65]
Gold nanoparticles supported on γ-Al2O3 have high catalytic activity and reaction rate for ortho-to para-hydrogen conversion, although there is no significant impact of particle size on the catalytic activity and reaction rate.
“Recently, Boeva et al. [93] used gold nanoparticles supported on γ-Al 2 O 3 and reported high catalytic activity and reaction rate, although they also found that there was no significant impact of particle size on the catalytic activity and reaction rate.”
From 5917. https://doi.org/10.3390/en14185917. - (2021) · cites this paper as [93]
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(2021) · doi:10.3390/en14185917 · Cited by 708 · see citing works
Strategies to recover and minimize boil-off losses during liquid hydrogen storage
Morales-Ospino, R., Celzard, A., & Fierro, V. (2023) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2023.113360 · Cited by 216 · see citing works
Modelling of Liquid Hydrogen Boil-Off
Al Ghafri, S. Z. S., Swanger, A., Jusko, V., Siahvashi, A., Perez, F., Johns, M. L., & May, E. F. (2022) · Energies · doi:10.3390/en15031149 · Cited by 131 · see citing works
“At absolute zero, all the hydrogen molecules must be in a rotational ground state and thus 100% para-hydrogen [65].”
BackgroundDesign and performance analysis of a hydrogen liquefaction process
Zhang, S., & Liu, G. (2022) · Clean Technologies and Environmental Policy · doi:10.1007/s10098-021-02078-z · Cited by 74 · see citing works
- Authors
- Boeva, O. A., Odintzov, A. A., Solovov, R. D., Abkhalimov, E. V., Zhavoronkova, K. N., & Ershov, B. G.
- Affiliations
- D. Mendeleyev University of Chemical Technology of Russia (RU)
- Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (RU)
- Corresponding author
- Abkhalimov, Evgeny Vladilenovich
- Venue
- International Journal of Hydrogen Energy
- Publisher
- Elsevier BV
- Published
- 2017-09
- Volume
- 42
- Issue
- 36
- Pages
- 22897-22902
- ISSN
- 0360-3199 (ISSN-L)
- OpenAlex
- W2742402440
- Cited by
- 30
- References
- 0
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 6 · 2023: 6 · 2022: 3 · 2021: 4 · 2020: 2 · 2019: 1 · 2018: 2
- FWCI
- 0.58
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Hydrogen Energy (publishedVersion)
- Funders
- Russian Foundation for Basic Research (15-03-02068-a)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
- Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
- Physical Sciences › Chemistry › Organic Chemistry › Nanomaterials for catalytic reactions
- Keywords
- ortho-para hydrogen conversion, gold nanoparticles, low-temperature catalysis, particle size effects, γ-Al2O3 support, Protium, catalytic activity, reaction rate
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