Process for Synthesis Of Mg2Si/MgO Nanocomposites

Michael Elsässer; Raphael Berger

Process for Synthesis Of Mg2Si/MgO Nanocomposites

Michael Elsässer (Inventor), Raphael Berger (Inventor)

Chemistry and Physics of Materials

Research output: Patent

Abstract

The present invention relates to a process for the synthesis of a composite material comprising steps of: (a) reacting gaseous magnesium (Mg) and silica (SiO2) in an inert atmosphere; (b) washing the product obtained in step (a) in an acidic medium; and (c) reacting further gaseous magnesium (Mg) with the silica (SiO2) and silicon (Si) product obtained in step (b). The process of the invention allows Mg2Si/MgO nanocomposites to be prepared without too many separate steps, and wherein the MgO phase is homogeneously dispersed within the Mg2Si matrix. The nanocomposites obtained may for example find practical application as thermoelectric materials in thermoelectric generators.

Original language	English
Patent number	WO/2018/162036
Filing date	7/03/17
Publication status	Published - 13 Sept 2018

Bibliographical note

new process to synthesize nanocomposites of Mg2Si and MgO

Fields of Science and Technology Classification 2012

104 Chemistry

Cite this

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T1 - Process for Synthesis Of Mg2Si/MgO Nanocomposites

AU - Elsässer, Michael

AU - Berger, Raphael

N1 - new process to synthesize nanocomposites of Mg2Si and MgO

PY - 2018/9/13

Y1 - 2018/9/13

N2 - The present invention relates to a process for the synthesis of a composite material comprising steps of: (a) reacting gaseous magnesium (Mg) and silica (SiO2) in an inert atmosphere; (b) washing the product obtained in step (a) in an acidic medium; and (c) reacting further gaseous magnesium (Mg) with the silica (SiO2) and silicon (Si) product obtained in step (b). The process of the invention allows Mg2Si/MgO nanocomposites to be prepared without too many separate steps, and wherein the MgO phase is homogeneously dispersed within the Mg2Si matrix. The nanocomposites obtained may for example find practical application as thermoelectric materials in thermoelectric generators.

AB - The present invention relates to a process for the synthesis of a composite material comprising steps of: (a) reacting gaseous magnesium (Mg) and silica (SiO2) in an inert atmosphere; (b) washing the product obtained in step (a) in an acidic medium; and (c) reacting further gaseous magnesium (Mg) with the silica (SiO2) and silicon (Si) product obtained in step (b). The process of the invention allows Mg2Si/MgO nanocomposites to be prepared without too many separate steps, and wherein the MgO phase is homogeneously dispersed within the Mg2Si matrix. The nanocomposites obtained may for example find practical application as thermoelectric materials in thermoelectric generators.

M3 - Patent

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Y2 - 2017/03/07

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