Comparsion of Preparation Methods of Co3O4-Fe2O3 Composite Powder as a Heat Storage Material and Study of its Morphological and Phase Evolution during Redox Reactions

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DELAVARI MARYAM; POURABDOLI MEHDI; Ghaderi Hamidi Ahmad

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Journal: METALLURGICAL ENGINEERING Year:2019 | Volume:22 | Issue:3 (75) Page(s): 204-214

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Title

Comparsion of Preparation Methods of Co3O4-Fe2O3 Composite Powder as a Heat Storage Material and Study of its Morphological and Phase Evolution during Redox Reactions

Author(s)

DELAVARI MARYAM | POURABDOLI MEHDI | Ghaderi Hamidi Ahmad | Issue Writer Certificate

Keywords

Cobalt oxideQ2

Iron oxideQ2

Heat storageQ1

ThermochemicalQ1

Mechanical millingQ2

Abstract

In this study, Co3O4-15 wt. % Fe2O3 composite powder was synthesized by two methods including: A-simultaneous milling of oxide mixtures (0, 1 and 16 h) and B-separately milling of Cobalt oxide (0, 1 and 16 h) and Iron oxide (0, 0. 5 and 7 h) and then mixing. Average particle size, particle morphology, Iron oxide distribution, phase analysis, and Heat storage capacity were studied by FE-SEM, XRD and thermogravimetry methods. It was found that preparation method has a significant effect on the above-mentioned parameters. The results showed that decreasing of Iron oxide particle size and addition of it to Cobalt oxide, increase the Heat storage capacity of the material relative to as-received Cobalt oxide. It was revealed that samples prepared by method A generally had lower Heat storage capacity than samples prepared by method B. In addition, it was found that small-scale particle size of the composite may not necessarily improve Heat storage capacity of the material, and spinel phase formation (Fe2O3. CoO) also is a key factor that has a great effect on decreasing the Heat storage capacity.

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APA: Copy

DELAVARI, MARYAM, POURABDOLI, MEHDI, & Ghaderi Hamidi, Ahmad. (2019). Comparsion of Preparation Methods of Co3O4-Fe2O3 Composite Powder as a Heat Storage Material and Study of its Morphological and Phase Evolution during Redox Reactions. METALLURGICAL ENGINEERING, 22(3 (75) ), 204-214. SID. https://sid.ir/paper/405737/en

Vancouver: Copy

DELAVARI MARYAM, POURABDOLI MEHDI, Ghaderi Hamidi Ahmad. Comparsion of Preparation Methods of Co3O4-Fe2O3 Composite Powder as a Heat Storage Material and Study of its Morphological and Phase Evolution during Redox Reactions. METALLURGICAL ENGINEERING[Internet]. 2019;22(3 (75) ):204-214. Available from: https://sid.ir/paper/405737/en

IEEE: Copy

MARYAM DELAVARI, MEHDI POURABDOLI, and Ahmad Ghaderi Hamidi, “Comparsion of Preparation Methods of Co3O4-Fe2O3 Composite Powder as a Heat Storage Material and Study of its Morphological and Phase Evolution during Redox Reactions,” METALLURGICAL ENGINEERING, vol. 22, no. 3 (75) , pp. 204–214, 2019, [Online]. Available: https://sid.ir/paper/405737/en

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