Synthesis and characterization of Mn0.5Zn0.5Fe2O4 and Fe3O4 nanoparticle ferrofluids for thermo-electric conversion

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Synthesis_and_Characterization-2013.pdf (462.72 KB)

Date published

2013-06-30T00:00:00Z

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Authors

Sansom, Christopher L.
Jones, Paul M.
Dorey, Robert A.
Beck, C.
Stanhope-Bosumpim, A.
Peterson, J.

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Journal Title

Journal ISSN

Volume Title

Publisher

Elsevier Science B.V., Amsterdam.

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Article

ISSN

0304-8853

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URI

http://dx.doi.org/10.1016/j.jmmm.2013.02.012
 http://dspace.lib.cranfield.ac.uk/handle/1826/8097

Citation

C.L. Sansom, P. Jones, R.A. Dorey, C. Beck, A. Stanhope-Bosumpim, J. Peterson, Synthesis and characterization of Mn0.5Zn0.5Fe2O4 and Fe3O4 nanoparticle ferrofluids for thermo-electric conversion, Journal of Magnetism and Magnetic Materials, Volume 335, June 2013, Pages 159–162.

Abstract

Ferrofluids containing nanoparticles of Mn0.5Zn0.5Fe2O4 (MZ5) and Fe3O4 (magnetite) have been examined as potential thermal transport media and energy harvesting materials. The ferrofluids were synthesized by chemical co-precipitation and characterized by EDX to determine composition and by TEM to determine particle size and agglomeration. A range of particle coatings and carrier fluids were used to complete the fluid preparation. Commercially available ferrofluids were tested in custom built rigs to demonstrate both thermal pumping (for waste heat removal applications) and power induction (for power conversion and energy harvesting applications). The results indicate that simple ferrofluids possess the necessary properties to remove waste heat, either into thermal storage or for conversion to electrical power.

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Github

Keywords

Ferrofluid, Heat transfer, Energy harvesting

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NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Magnetism and Magnetic Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Magnetism and Magnetic Materials, VOL 335, (2013) DOI: 10.1016/j.jmmm.2013.02.012

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