DOI: 10.1115/1.2804620. Elaboration of Conductive Thermal Storage Composites Made of Phase Change Materials and Graphite for Solar Plant

Elaboration of Conductive Thermal Storage Composites Made of Phase Change Materials and Graphite for Solar Plant

10.1115/1.2804620

Crossref journal-article

ASME International

Journal of Solar Energy Engineering (33)

Abstract

New thermal storage composites made of graphite and PCM (NaNO3∕KNO3 eutectic) have been developed for solar thermal power plants using direct solar steam generation. Those materials, obtained using different elaboration routes (compounding, infiltration, cold compression) and graphite types, are presented with their respective properties (enhanced thermal conductivities, thermal storage capacities, stability) and compared together. Both the laboratory and industrial scales and grades are considered and compared. The infiltration route has been found to be inefficient before the two other ones. Compound composites present isotropic properties and thermal conductivity intensification in the medium range (a factor of 10 for 7wt% in graphite). Cold compressed composites present highly anisotropic properties and strong intensification in thermal conductivity (a factor of 31 at 200°C for 20wt% in graphite). Their melting and solidification temperatures as well as their intrinsic storage capacity are close to the pure salt ones.

Bibliography

Pincemin, S., Py, X., Olives, R., Christ, M., & Oettinger, O. (2007). Elaboration of Conductive Thermal Storage Composites Made of Phase Change Materials and Graphite for Solar Plant. Journal of Solar Energy Engineering, 130(1).

Authors 5

S. Pincemin (first)
X. Py (additional)
R. Olives (additional)
M. Christ (additional)
O. Oettinger (additional)

References 12 Referenced 47

2000, “Survey of Thermal Storage for Parabolic Trough Power Plants,” NREL/SR-550-27925.
www.cristopia.com
10.1016/0140-7007(95)00080-1 / Int. J. Refrig. / Phase Change Thermal Energy Storage Using Spherical Capsules: Performance of a Test Plant by Bedecarrats
10.1016/S0017-9310(00)00309-4 / Int. J. Heat Mass Transfer / Paraffin-Porous Graphite Matrix Composite as a High and Constant Power Thermal Storage Material by Py
{'volume-title': 'Molten Salts Handbook', 'author': 'Janz', 'key': '2019100519342294300_c5'} / Molten Salts Handbook by Janz
{'volume-title': 'Solar Heat Storage: Latent Heat Materials', 'author': 'Lane', 'key': '2019100519342294300_c6'} / Solar Heat Storage: Latent Heat Materials by Lane
10.1016/j.solener.2004.04.023 / Sol. Energy / Screening of High Melting Point Phase Change Materials (PCM) in Solar Thermal Concentrating Technology Based on CLFR by Hoshi
10.1016/j.jpowsour.2005.02.074 / J. Power Sources / Development of Fuel Cell Bipolar Plates From Graphite Filled Wet-Lay Thermoplastic Composite Materials by Huang
Shane, J. H., Russel, R. J., and Bochman, R. A., 1968, “Flexible Graphite Material of Expanded Particles Compressed Together,” US Patent No. 3,404,061.
10.1016/j.pmatsci.2004.01.001 / Prog. Mater. Sci. / Modelling of Exfoliated Graphite by Celzard
{'key': '2019100519342294300_c11', 'first-page': '377', 'article-title': 'A Highly Conductive Porous Medium for Solid-Gas Reactions: Effect of the Dispersed Phase on the Thermal Tortuosity', 'volume': '43-2', 'author': 'Olivès', 'journal-title': 'Transp. Porous Media', 'ISSN': 'https://id.crossref.org/issn/0169-3913', 'issn-type': 'print'} / Transp. Porous Media / A Highly Conductive Porous Medium for Solid-Gas Reactions: Effect of the Dispersed Phase on the Thermal Tortuosity by Olivès
10.1016/S0008-6223(03)00120-9 / Carbon / Development of Thermally Conductive Packing for Gas Separation by Menard

Dates

Type	When
Created	17 years, 7 months ago (Jan. 9, 2008, 2:33 p.m.)
Deposited	5 years, 10 months ago (Oct. 5, 2019, 3:34 p.m.)
Indexed	3 weeks, 2 days ago (July 30, 2025, 8:46 a.m.)
Issued	17 years, 7 months ago (Dec. 28, 2007)
Published	17 years, 7 months ago (Dec. 28, 2007)
Published Online	17 years, 7 months ago (Dec. 28, 2007)
Published Print	17 years, 6 months ago (Feb. 1, 2008)

Funders 0

None

BibTeX

@article{Pincemin_2007, title={Elaboration of Conductive Thermal Storage Composites Made of Phase Change Materials and Graphite for Solar Plant}, volume={130}, ISSN={1528-8986}, url={http://dx.doi.org/10.1115/1.2804620}, DOI={10.1115/1.2804620}, number={1}, journal={Journal of Solar Energy Engineering}, publisher={ASME International}, author={Pincemin, S. and Py, X. and Olives, R. and Christ, M. and Oettinger, O.}, year={2007}, month=dec }

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