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Updated: Sep 20, 2025

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Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
Published on: November 3, 2017
13.3K
Ultra-High Temperature Molten Oxide Electrochemistry.
Mingyong Wang1,2, Handong Jiao3, Zhenghao Pu1
1State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China.
Angewandte Chemie (International Ed. in English)
|June 10, 2022
Summary
Ultra-high temperature electrochemistry (>1000°C) enables low-carbon metal extraction and in-situ oxygen production for space exploration. This review summarizes UTE
Area of Science:
- Electrochemistry
- Materials Science
- Chemical Engineering
Background:
- Ultra-high temperature electrochemistry (UTE) extends operational limits beyond 1000°C.
- UTE offers potential for revolutionary low-carbon metal extraction and extraterrestrial oxygen generation.
Purpose of the Study:
- To systematically review the fundamental concepts and physicochemical properties of molten oxides in UTE.
- To discuss inert anode design principles for oxygen evolution reactions.
- To highlight liquid metal cathodes for advanced metal production and in-situ resource utilization.
Main Methods:
- Analysis of basic UTE concepts and molten oxide properties.
- Discussion of inert anode design for oxygen evolution.
- Review of liquid metal cathode applications in metallurgy.
Main Results:
- UTE principles are analyzed, focusing on molten oxides.
- Inert anode design for oxygen evolution is detailed, enabling oxygen production from simulated lunar regolith.
- Liquid metal cathodes are presented for titanium extraction and iron/steel production.
Conclusions:
- UTE is a promising field with significant applications in sustainable metallurgy and space exploration.
- Key challenges and future perspectives for UTE advancement are identified.

