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3D-Printed glycerol microfluidic fuel cell.

Katia-Emiko Guima1, Pedro-Henrique L Coelho, Magno A G Trindade

  • 1Physics Institute, Federal University of Mato Grosso do Sul - Av. Costa e Silva, 79070900, Campo Grande, MS, Brazil. caue.martins@ufms.br.

Lab on a Chip
|June 5, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed a 3D-printed microfluidic fuel cell using fused deposition modeling. This novel glycerol-fed cell achieved a power density of 175 mW cm-2, demonstrating efficient energy conversion.

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Microfluidics

Background:

  • Microfluidic fuel cells offer miniaturized energy solutions.
  • 3D printing enables complex microchannel fabrication for enhanced performance.
  • Stable colaminar flow is crucial for efficient fuel cell operation.

Purpose of the Study:

  • To present a novel 3D-printed microfluidic fuel cell.
  • To investigate the performance of a glycerol-fed fuel cell fabricated using fused deposition modeling.
  • To demonstrate stable colaminar flow conditions in a 3D-printed microchannel.

Main Methods:

  • Fabrication of a microfluidic channel using fused deposition modeling (3D printing).
  • Design of a microchannel with a 0.015 cm2 cross-sectional area.
  • Operation of the fuel cell using glycerol as fuel.

Main Results:

  • Achieved stable colaminar flow conditions within the 3D-printed microchannel.
  • Demonstrated a power density of 175 mW cm-2.
  • Recorded an open-circuit voltage of 1.8 V.

Conclusions:

  • 3D printing is a viable technique for fabricating high-performance microfluidic fuel cells.
  • The developed glycerol-fed fuel cell shows promising energy output.
  • Stable flow conditions are achievable in 3D-printed microfluidic devices.