Dynamic hydrogen electrode

A dynamic hydrogen electrode (DHE) is a reference electrode, more specific a subtype of the standard hydrogen electrodes for electrochemical processes by simulating a reversible hydrogen electrode with an approximately 20 to 40 mV more negative potential.[1]

Principle

A separator in a glass tube connects two electrolytes and a small current is enforced between the cathode and anode.

Applications

• In-situ reference electrode for direct methanol fuel cells[2][3]
• Proton-exchange membrane fuel cells[4]

See also

• Palladium-hydrogen electrode

References

1. Dynamic hydrogen electrode
2. Study on In-situ Reference Electrode for DMFC Archived 2009-11-05 at the Wayback Machine
3. Impedance and polarization analysis of cathode and anode performance in a working direct methanol fuel cell^[permanent dead link‍]
4. Study of fuel cell corrosion processes using dynamic hydrogen reference electrodes^[permanent dead link‍]