Combined hydrogen production and storage with subsequent carbon crystallization

Angela Lueking, Humberto R. Gutierrez, Dania A. Fonseca, Deepa L. Narayanan, Dirk Van Essendelft, Puja Jain, Caroline Elaine Clifford

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

We provide evidence of low-temperature hydrogen evolution and possible hydrogen trapping in an anthracite coal derivative, formed via reactive ball milling with cyclohexene. No molecular hydrogen is added to the process. Raman-active molecular hydrogen vibrations are apparent in samples at atmospheric conditions (300 K, 1 bar) for samples prepared 1 year previously and stored in ambient air. Hydrogen evolves slowly at room temperature and is accelerated upon sample heating, with a first increase in hydrogen evolution occurring at approximately 60 °C. Subsequent chemical modification leads to the observation of crystalline carbons, including nanocrystalline diamond surrounded by graphene ribbons, other sp2-sp3 transition regions, purely graphitic regions, and a previously unidentified crystalline carbon form surrounded by amorphous carbon. The combined evidence for hydrogen trapping and carbon crystallization suggests hydrogen-induced crystallization of the amorphous carbon materials, as metastable hydrogenated carbons formed via the high-energy milling process rearrange into more thermodynamically stable carbon forms and molecular hydrogen.

Original languageEnglish (US)
Pages (from-to)7758-7760
Number of pages3
JournalJournal of the American Chemical Society
Volume128
Issue number24
DOIs
StatePublished - Jun 21 2006

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Hydrogen storage
Hydrogen production
Crystallization
Hydrogen
Carbon
Coal
Amorphous carbon
Crystalline materials
Diamond
Temperature
Anthracite
Graphite
Mechanical alloying
Chemical modification
Ball milling
Vibration
Heating
Graphene
Diamonds
Air

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Lueking, A., Gutierrez, H. R., Fonseca, D. A., Narayanan, D. L., Van Essendelft, D., Jain, P., & Clifford, C. E. (2006). Combined hydrogen production and storage with subsequent carbon crystallization. Journal of the American Chemical Society, 128(24), 7758-7760. https://doi.org/10.1021/ja0604818
Lueking, Angela ; Gutierrez, Humberto R. ; Fonseca, Dania A. ; Narayanan, Deepa L. ; Van Essendelft, Dirk ; Jain, Puja ; Clifford, Caroline Elaine. / Combined hydrogen production and storage with subsequent carbon crystallization. In: Journal of the American Chemical Society. 2006 ; Vol. 128, No. 24. pp. 7758-7760.
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Lueking, A, Gutierrez, HR, Fonseca, DA, Narayanan, DL, Van Essendelft, D, Jain, P & Clifford, CE 2006, 'Combined hydrogen production and storage with subsequent carbon crystallization', Journal of the American Chemical Society, vol. 128, no. 24, pp. 7758-7760. https://doi.org/10.1021/ja0604818

Combined hydrogen production and storage with subsequent carbon crystallization. / Lueking, Angela; Gutierrez, Humberto R.; Fonseca, Dania A.; Narayanan, Deepa L.; Van Essendelft, Dirk; Jain, Puja; Clifford, Caroline Elaine.

In: Journal of the American Chemical Society, Vol. 128, No. 24, 21.06.2006, p. 7758-7760.

Research output: Contribution to journalArticle

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N2 - We provide evidence of low-temperature hydrogen evolution and possible hydrogen trapping in an anthracite coal derivative, formed via reactive ball milling with cyclohexene. No molecular hydrogen is added to the process. Raman-active molecular hydrogen vibrations are apparent in samples at atmospheric conditions (300 K, 1 bar) for samples prepared 1 year previously and stored in ambient air. Hydrogen evolves slowly at room temperature and is accelerated upon sample heating, with a first increase in hydrogen evolution occurring at approximately 60 °C. Subsequent chemical modification leads to the observation of crystalline carbons, including nanocrystalline diamond surrounded by graphene ribbons, other sp2-sp3 transition regions, purely graphitic regions, and a previously unidentified crystalline carbon form surrounded by amorphous carbon. The combined evidence for hydrogen trapping and carbon crystallization suggests hydrogen-induced crystallization of the amorphous carbon materials, as metastable hydrogenated carbons formed via the high-energy milling process rearrange into more thermodynamically stable carbon forms and molecular hydrogen.

AB - We provide evidence of low-temperature hydrogen evolution and possible hydrogen trapping in an anthracite coal derivative, formed via reactive ball milling with cyclohexene. No molecular hydrogen is added to the process. Raman-active molecular hydrogen vibrations are apparent in samples at atmospheric conditions (300 K, 1 bar) for samples prepared 1 year previously and stored in ambient air. Hydrogen evolves slowly at room temperature and is accelerated upon sample heating, with a first increase in hydrogen evolution occurring at approximately 60 °C. Subsequent chemical modification leads to the observation of crystalline carbons, including nanocrystalline diamond surrounded by graphene ribbons, other sp2-sp3 transition regions, purely graphitic regions, and a previously unidentified crystalline carbon form surrounded by amorphous carbon. The combined evidence for hydrogen trapping and carbon crystallization suggests hydrogen-induced crystallization of the amorphous carbon materials, as metastable hydrogenated carbons formed via the high-energy milling process rearrange into more thermodynamically stable carbon forms and molecular hydrogen.

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Lueking A, Gutierrez HR, Fonseca DA, Narayanan DL, Van Essendelft D, Jain P et al. Combined hydrogen production and storage with subsequent carbon crystallization. Journal of the American Chemical Society. 2006 Jun 21;128(24):7758-7760. https://doi.org/10.1021/ja0604818