Related Experiment Video
Updated: Mar 10, 2026
08:43
Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles
Published on: October 27, 2018
18.9K
A highly conductive electrolyte for molten oxide fuel cells
1Laboratory of Functional Ceramics, A. A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, 49 Leninskii Pr., 119334 Moscow, Russia. vbelousov@imet.ac.ru.
Chemical Communications (Cambridge, England)
|December 16, 2016
Summary
Researchers developed a new solid/liquid electrolyte for molten oxide fuel cells (MOFCs). This composite material exhibits the highest oxygen ionic conductivity, showing promise for intermediate-temperature fuel cell applications.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Conversion
Background:
- Molten oxide fuel cells (MOFCs) represent a novel class of intermediate-temperature fuel cells.
- Development of efficient electrolytes is crucial for MOFC performance.
Purpose of the Study:
- To develop a novel solid/liquid electrolyte for MOFCs.
- To investigate the properties of a δ-Bi2O3-0.2 wt% B2O3 composite as an electrolyte.
Main Methods:
- Synthesis of a composite electrolyte material.
- Characterization of the electrolyte's ionic conductivity and physical properties.
Main Results:
- A gas-tight and ductile solid/liquid δ-Bi2O3-0.2 wt% B2O3 electrolyte was successfully developed.
- The composite electrolyte, comprising solid (δ-Bi2O3) and liquid (molten Bi2O3 + B2O3) phases, exhibited the highest oxygen ionic conductivity.
Conclusions:
- The developed composite electrolyte shows significant promise for application in molten oxide fuel cells.
- This material offers a potential breakthrough for intermediate-temperature fuel cell technology.
More Related Videos
Related Concept Videos
03:12Batteries and Fuel Cells
31.7K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
31.7K
03:00Electrolysis
31.3K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
31.3K
02:21Electrolyte and Nonelectrolyte Solutions
72.9K
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a substance yields ions in solution, that is, if the compound undergoes 100% dissociation, then the substance is a strong electrolyte. Complete dissociation is indicated by a single forward arrow. For example, water-soluble ionic compounds like sodium chloride dissociate into sodium cations and chloride anions in aqueous solution.
72.9K
01:29Electrical Transport
57
The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
57
01:23Theory of Strong Electrolytes
36
The interionic forces of the strong electrolytes depend on the solvent's dielectric constant, which is the ability of a solvent to store electrical energy, based on its polarizability. and the solution's concentration. In high-dielectric solvents and in dilute solutions, weak electrostatic forces keep ions apart. However, in low-dielectric solvents or concentrated solutions, stronger interionic forces may cause ions to pair up as ionic doublets despite being fully ionized. The theory of strong...
36