Molten salts and fused media provide the key properties and the theory of molten salts, as well as aspects of fused salts chemistry, helping you generate new ideas and applications for fused salts.

Molten Salts Chemistry: From Lab to Applications examines how the electrical and thermal properties of molten salts, and generally low vapour pressure are well adapted to high temperature chemistry, enabling fast reaction rates. It also explains how their ability to dissolve many inorganic compounds such as oxides, nitrides, carbides and other salts make molten salts ideal as solvents in electrometallurgy, metal coating, treatment of by-products and energy conversion.

This book also reviews newer applications of molten salts including materials for energy storage such as carbon nano-particles for efficient super capacitors, high capacity molten salt batteries and for heat transport and storage in solar plants. In addition, owing to their high thermal stability, they are considered as ideal candidates for the development of safer nuclear reactors and for the treatment of nuclear waste, especially to separate actinides from lanthanides by electrorefining.

Key Features

  • Explains the theory and properties of molten salts to help scientists understand these unique liquids
  • Provides an ideal introduction to this expanding field
  • Illustrated text with key real-life applications of molten salts in synthesis, energy, nuclear, and metal extraction


Academic and professionals researching or working in fused salts chemistry, energy, electrochemistry, solid state chemistry.

Table of Contents



1. Modeling of Molten Salts



1.1 Introduction

1.2 Methods and Models

1.3 Structure of Molten Salts

1.4 Dynamic Properties of Molten Salts

1.5 Conclusion


2. Raman Spectroscopy and Pulsed Neutron Diffraction of Molten Salt Mixtures Containing Rare-Earth Trichlorides: Trial Approaches from Fundamentals to Pyrochemical Reprocessing


2.1 Introduction

2.2 Experimental

2.3 Results and Discussion

2.4 Conclusions


3. In Situ Spectroscopy in Molten Fluoride Salts


3.1 Introduction

3.2 Experimental Techniques: Specificity, Limitation, Setup

3.3 Spectroscopic Studies of Molten Fluorides

3.4 Conclusion


4. Thermodynamic Calculations of Molten-Salt Reactor Fuel Systems


4.1 Introduction

4.2 Development of Thermodynamic Database

4.3 Status of ITU’s Salt Database

4.4 Binary Systems

4.5 Most Relevant Ternary Systems

4.6 Application of the Database

4.7 Summary


5. Ionic Transport in Molten Salts


5.1 Introduction

5.2 Electric Conductance

5.3 Concluding Remarks


6. Salt Bath Thermal Treating and Nitriding


6.1 Introduction

6.2 General Aspects of Molten Salt Heat Treating

6.3 Steel Nitriding

6.4 Salt Bath Nitriding

6.5 Conclusion


7. Catalysis in Molten Ionic Media


7.1 Introduction

7.2 Physicochemical Properties of the Catalyst Model System

7.3 Phase Diagrams of Molten Binary Systems of Relevance to the SO2 Oxidation Catalyst

7.4 Multi-instrumental Investigations and Complex Formati


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© 2013
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About the authors

Henri Groult

Henri Groult is Director of Research of CNRS-UPMC-ESPCI UMR 7612, University of Pierre and Marie Curie (Paris 6) in France. He has devoted his research life to fluorine chemistry, electrochemistry, and molten salt chemistry. His main research subjects are electrolytic production of fluorine gas, fluorine compounds for primary and secondary lithium batteries, and electrochemical properties of molten fluorides and chlorides. He has obtained interesting results on fluorine evolution reaction on carbon electrodes, discharge behavior of carbon-fluorine compounds, charge/discharge characteristics of metal fluorides, and electrochemical properties of molten salts. On these subjects, he published more than 100 papers and 7 books. His activity has played an important role in fluorine chemistry in France. He has served as Director of the French Network of Fluorine, Chairman of the 17th European Symposium on Fluorine Chemistry (Paris, July 2013), and Editorial board of J. Fluorine Chemistry.


"Editors Lantelme…and Groult…present this compilation of research on molten salt chemistry and its applications, especially in high-temperature industrial processes. The first few chapters are allocated to modeling, spectroscopy, and thermodynamics of molten salt systems, followed by varied applications. Many chemical families are covered, including halides, carbonate-oxide systems, rare-earths, low-abundance transition metals, lithium compounds, and radioactive heavy elements…"--Reference & Research Book News, December 2013