Related Experiment Video
Updated: Jan 5, 2026
07:13
High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia YSZ Scaffolds by In Situ Carbon Templating Xerogels
Published on: April 16, 2017
11.1K
Vanadium-Doped Strontium Molybdate with Exsolved Ni Nanoparticles as Anode Material for Solid Oxide Fuel Cells
ACS Applied Materials & Interfaces
|October 25, 2019
Summary
Nickel-exsolved vanadium-doped strontium molybdate (Ni-SVM) shows enhanced performance as a solid oxide fuel cell anode. This novel material significantly boosts power density and reduces resistance for various fuels.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Conversion
Background:
- Solid oxide fuel cells (SOFCs) require efficient anode materials for fuel oxidation.
- Vanadium-doped strontium molybdate (SVM) exhibits high electronic conductivity but requires performance enhancement.
Purpose of the Study:
- To develop an improved anode material for SOFCs by incorporating nickel into SVM.
- To investigate the in situ formation and catalytic effect of exsolved nickel nanoparticles on SVM.
Main Methods:
- Synthesis of NiO-introduced SVM with B-site excess.
- Characterization using X-ray diffraction, X-ray photoelectron spectroscopy, SEM, and TEM.
- Electrochemical testing of SOFCs with Ni-exsolved SVM anodes using various fuels.
Main Results:
- In situ formation of Ni nanoparticles exsolved from the SVM matrix.
- Significant increase in peak power density (160%) and reduction in polarization resistance (56%) with H2 fuel.
- Excellent catalytic activity for H2S-containing and hydrocarbon fuels (syngas, ethanol).
Conclusions:
- Ni-exsolved SVM demonstrates superior electrocatalytic activity and stability for SOFC anodes.
- The material is a promising candidate for SOFC applications with diverse fuel sources.
