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Related Experiment Video

Updated: Oct 18, 2025

High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia YSZ Scaffolds by In Situ Carbon Templating Xerogels
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High Performance Low-Temperature Solid Oxide Fuel Cells Based on Nanostructured Ceria-Based Electrolyte.

Jiamei Liu1, Chengjun Zhu1, Decai Zhu1

  • 1Key Laboratory of Semiconductor Photovoltaic Technology of Inner Mongolia Autonomous Region, School of Physical Science and Technology, Inner Mongolia University, 235 West Daxue Street, Hohhot 010021, China.

Nanomaterials (Basel, Switzerland)
|September 28, 2021
PubMed
Summary
This summary is machine-generated.

Samarium and Neodymium co-doped ceria electrolytes significantly enhance ionic conductivity and power density in low-temperature solid oxide fuel cells (LT-SOFCs), showing promise for future energy applications.

Keywords:
LT-SOFCsceria-based electrolytedoped ceriaelectrochemical properties

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Ceria-based materials are promising electrolytes for low-temperature solid oxide fuel cells (LT-SOFCs).
  • Optimizing ionic conductivity in ceria electrolytes is crucial for efficient fuel cell performance.

Purpose of the Study:

  • To synthesize and investigate the electrochemical properties of samarium (Sm³⁺) and neodymium (Nd³⁺) co-doped ceria (SNDC) nanocrystalline electrolytes.
  • To evaluate the performance of SNDC electrolytes in LT-SOFCs compared to pure ceria.

Main Methods:

  • Glycine-nitrate process (GNP) for synthesizing SNDC and pure CeO₂.
  • Electrochemical characterization using complementary techniques.
  • Fabrication and testing of LT-SOFCs with nanocrystalline SNDC and CeO₂ electrolytes.

Main Results:

  • Successful doping of Sm³⁺ and Nd³⁺ into the CeO₂ lattice, maintaining a cubic fluorite structure.
  • Co-doping induced lattice distortion and increased oxygen vacancies, leading to higher ionic conductivity.
  • SNDC electrolytes demonstrated superior electrochemical performance in LT-SOFCs, achieving significantly higher peak power densities (up to 1070.31 mW·cm⁻² at 550 °C) compared to pure CeO₂.

Conclusions:

  • Sm³⁺ and Nd³⁺ co-doping effectively enhances the ionic conductivity of ceria electrolytes.
  • SNDC exhibits excellent electrochemical performance, making it a strong candidate for LT-SOFC applications.
  • The findings support the potential of SNDC as an advanced electrolyte material for next-generation fuel cells.