Thermodynamic stability of solid phases in the system Cu–O–Al2O3 by means of the EMF and DSC-TGA techniques

Dmitry Sukhomlinov; Fiseha Tesfaye; Niko Hellstén; Daniel Lindberg; Pekka Taskinen

doi:10.1007/s10008-016-3430-1

Thermodynamic stability of solid phases in the system Cu–O–Al₂O₃ by means of the EMF and DSC-TGA techniques

Dmitry Sukhomlinov^*, Fiseha Tesfaye, Niko Hellstén, Daniel Lindberg, Pekka Taskinen

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

2 Citations (Scopus)

Abstract

Thermodynamic properties of solid phases in the Cu–O–Al₂O₃ system were measured by means of the EMF method with oxygen concentration galvanic cells based on stabilized zirconia solid electrolytes. The standard Gibbs energies of formation of pure copper oxides and copper aluminates from their component oxides were determined. Copper aluminates were also investigated calorimetrically by the DSC-TGA combined techniques. Based on the calorimetric measurements, the enthalpies and temperatures of spinel decomposition and delafossite melting were determined. The obtained results were discussed and compared with the available literature data.

Original language	English
Pages (from-to)	959-972
Number of pages	14
Journal	JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume	22
Issue number	4
Early online date	2016
DOIs	https://doi.org/10.1007/s10008-016-3430-1
Publication status	Published - Apr 2018
MoE publication type	A1 Journal article-refereed

Keywords

Aluminate
Calorimetry
Copper
Electrochemistry
Oxide
Thermodynamics

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10.1007/s10008-016-3430-1

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title = "Thermodynamic stability of solid phases in the system Cu–O–Al2O3 by means of the EMF and DSC-TGA techniques",

abstract = "Thermodynamic properties of solid phases in the Cu–O–Al2O3 system were measured by means of the EMF method with oxygen concentration galvanic cells based on stabilized zirconia solid electrolytes. The standard Gibbs energies of formation of pure copper oxides and copper aluminates from their component oxides were determined. Copper aluminates were also investigated calorimetrically by the DSC-TGA combined techniques. Based on the calorimetric measurements, the enthalpies and temperatures of spinel decomposition and delafossite melting were determined. The obtained results were discussed and compared with the available literature data.",

keywords = "Aluminate, Calorimetry, Copper, Electrochemistry, Oxide, Thermodynamics",

author = "Dmitry Sukhomlinov and Fiseha Tesfaye and Niko Hellst{\'e}n and Daniel Lindberg and Pekka Taskinen",

year = "2018",

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T1 - Thermodynamic stability of solid phases in the system Cu–O–Al2O3 by means of the EMF and DSC-TGA techniques

AU - Sukhomlinov, Dmitry

AU - Tesfaye, Fiseha

AU - Hellstén, Niko

AU - Lindberg, Daniel

AU - Taskinen, Pekka

PY - 2018/4

Y1 - 2018/4

N2 - Thermodynamic properties of solid phases in the Cu–O–Al2O3 system were measured by means of the EMF method with oxygen concentration galvanic cells based on stabilized zirconia solid electrolytes. The standard Gibbs energies of formation of pure copper oxides and copper aluminates from their component oxides were determined. Copper aluminates were also investigated calorimetrically by the DSC-TGA combined techniques. Based on the calorimetric measurements, the enthalpies and temperatures of spinel decomposition and delafossite melting were determined. The obtained results were discussed and compared with the available literature data.

AB - Thermodynamic properties of solid phases in the Cu–O–Al2O3 system were measured by means of the EMF method with oxygen concentration galvanic cells based on stabilized zirconia solid electrolytes. The standard Gibbs energies of formation of pure copper oxides and copper aluminates from their component oxides were determined. Copper aluminates were also investigated calorimetrically by the DSC-TGA combined techniques. Based on the calorimetric measurements, the enthalpies and temperatures of spinel decomposition and delafossite melting were determined. The obtained results were discussed and compared with the available literature data.

KW - Aluminate

KW - Calorimetry

KW - Copper

KW - Electrochemistry

KW - Oxide

KW - Thermodynamics

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JO - JOURNAL OF SOLID STATE ELECTROCHEMISTRY

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