Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

High-performance solid Acid fuel cells through humidity stabilization.

Dane A Boysen1, Tetsuya Uda, Calum R I Chisholm

  • 1Materials Science, California Institute of Technology, Pasadena, CA 91125, USA.

Science (New York, N.Y.)
|November 25, 2003
PubMed
Summary

High-temperature fuel cells overcome limitations using a solid acid electrolyte. This enables stable power generation above 250 degrees C, advancing clean energy technology.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Structure-Property Relationships for Moisture-Swing Direct Air Capture.

Environmental science & technology·2026
Same author

Direct <i>in situ</i> detection of grain boundary reduction in nanocrystalline ceria.

Physical chemistry chemical physics : PCCP·2026
Same author

Solid-state hydrogen storage goes electric.

Science (New York, N.Y.)·2025
Same author

Comprehensive understanding of the crystal structure of perovskite-type Ba<sub>3</sub>Y<sub>4</sub>O<sub>9</sub> with Zr substitution: a theoretical and experimental study.

Dalton transactions (Cambridge, England : 2003)·2024
Same author

Cross-Validation of the Remarkably High Surface Oxygen Exchange Kinetics of PrBa<sub>0.5</sub>Sr<sub>0.5</sub>Co<sub>1.5</sub>Fe<sub>0.5</sub>O<sub>5+δ</sub>: A Combined Thin-Film Mass Relaxation and Bulk Electrical Conductivity Relaxation Study.

ACS applied materials & interfaces·2024
Same author

Correction: Superprotonic conductivity in RbH<sub>2-3</sub>(PO<sub>4</sub>)<sub>1-</sub>: a phosphate deficient analog to cubic CsH<sub>2</sub>PO<sub>4</sub> in the (1 - <i>x</i>)RbH<sub>2</sub>PO<sub>4</sub> - <i>x</i>Rb<sub>2</sub>HPO<sub>4</sub> system.

Materials horizons·2023

Area of Science:

  • Electrochemistry
  • Materials Science
  • Clean Energy

Background:

  • Polymer electrolyte membrane fuel cells (PEMFCs) are limited to below 100°C due to their hydrated nature.
  • Current PEMFCs require complex humidification and suffer from fuel crossover issues.
  • Anhydrous proton conductors offer potential for high-temperature fuel cell operation.

Purpose of the Study:

  • To demonstrate stable, high-temperature power generation using a solid acid electrolyte.
  • To overcome the operational limitations of conventional PEMFCs.
  • To explore the potential of cesium dihydrogen phosphate (CsH2PO4) as a solid acid electrolyte.

Main Methods:

  • Utilized a humidity-stabilized cesium dihydrogen phosphate (CsH2PO4) solid acid electrolyte.
  • Operated hydrogen/oxygen (H2/O2) fuel cells at approximately 250°C.

Related Experiment Videos

  • Tested direct methanol fuel cells (DMFCs) under similar high-temperature conditions.

    • Main Results:

    • Achieved continuous and stable power generation at ~250°C.
    • Demonstrated successful operation of both H2/O2 and DMFCs with the solid acid electrolyte.
    • Showcased the potential of CsH2PO4 to enable high-temperature fuel cell performance.

    Conclusions:

    • Solid acid electrolytes, specifically CsH2PO4, can enable stable, high-temperature fuel cell operation.
    • This approach overcomes key limitations of traditional PEMFCs, such as operating temperature and humidification requirements.
    • The findings pave the way for more robust and efficient clean energy fuel cell technologies.