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Related Experiment Video

Updated: Jun 27, 2026

Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells

Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells

Published on: October 2, 2016

Nanostructured thin solid oxide fuel cells with high power density.

Alex Ignatiev¹, Xin Chen, Naijuan Wu

¹Center for Advanced Materials, University of Houston, 4800 Calhoun Road, Houston, TX 77204-5004, USA.

Dalton Transactions (Cambridge, England : 2003)

|December 17, 2008

Summary

This summary is machine-generated.

Nanostructured thin film solid oxide fuel cells (SOFC) operate at lower temperatures and are self-reforming. These fuel cells achieve high power density and efficiency, enabling direct use of hydrocarbon fuels.

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Probing and Mapping Electrode Surfaces in Solid Oxide Fuel Cells

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Probing and Mapping Electrode Surfaces in Solid Oxide Fuel Cells

Probing and Mapping Electrode Surfaces in Solid Oxide Fuel Cells

Published on: September 20, 2012

Area of Science:

Materials Science
Electrochemistry
Energy Conversion

Background:

Solid oxide fuel cells (SOFCs) traditionally require high operating temperatures.
Developing lower-temperature SOFCs is crucial for broader applications and fuel flexibility.

Purpose of the Study:

To develop nanostructured thin-film SOFCs for reduced temperature operation.
To achieve high power density and self-reforming capabilities.

Main Methods:

Fabrication of thin-film electrolytes (e.g., YSZ) on nickel foil substrates.
Conversion of nickel foil into a porous anode via photolithography and etching.
Deposition of a composite cathode (La(0.5)Sr(0.5)CoO(3)) onto the electrolyte.

Main Results:

Operation achieved at temperatures as low as 470°C.
Maximum power density of 140 mW/cm² at 575°C.
Overall efficiency exceeding 50%.

Conclusions:

Nanostructured thin-film SOFCs enable significant reduction in operating temperature.
The nickel anode facilitates direct hydrocarbon fuel utilization without external reformers.
These fuel cells show promise for high-power-density, compact energy generation.