EC-EL-REF Electrolyzer with Reference Electrode

EC-EL-REF Electrolyzer with Reference Electrode

Electrolyzer Diagram
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Product Description

Electrolyzer research and development provides the crucial link to make the renewable energy concept and hydrogen energy a reality.  The unpredictability of having the supply of power when needed will no more be an issue.  Excess unused power generated from solar and wind can be used to generate, and store hydrogen for a later use for filling a car, and/or to use in a fuel cell for distributed, emergency power and other hydrogen energy solutions.

ElectroChem’s EC-EL electrolyzer research hardware provides a reliable hardware with many built-in flexibilities for studying different materials for flow-field, different catalysts, membranes, and current distributors.

Water electrolysis takes place in an electrolyzer using electricity to split water. At the anode electrode, water is split to form oxygen and protons. At the cathode electrode, the supplied electricity combines with protons to form hydrogen. The protons transport from anode to cathode through a proton exchange membrane to complete the electrolyzer reaction.  High electrically conductive and corrosion resistant materials are required to support high performance and long endurance testing.


  • Design for quick assembly and  re-assembly – easy drop-in installation guided by alignment pins and flat gaskets
  • Built with titanium – giving high electrical conductivity and corrosion resistance.  comprising current collectors, separator plates and flow field internal parts
  • Basic square design – high material utilization in square vs circular and easy fabrication
  • Built-in thermal couple for close temperature measurement and control at the center of the cell
  • Reference Electrode: ElectroChem provides electrolyzer hardware with anode reference electrode. A reference electrode provides more accurate measurement of voltage without the effect of current. The reference electrode is used to measure and monitor the electrochemical polarization behavior of individual anode and cathode electrode independently. The Pt wire electrode is located in an open compartment which is connected to the flow field of the electrolyzer.
  • The Pt wire reference electrode is located in an open compartment which is connected to the flow field of the electrolyzer.
  • PLEASE NOTE: The hardware does NOT come with an MEA. You may order the MEA: EC-EL-MEA separately

Electrolyzer Components are also available!

ElectroChem also offers supplementary products for Electrolyzer research:

  • Catalyst – 10% Pt/90% IrOx; 50%IrOx
  • Nafion Membrane – Nafion 117; Nafion 1110
  • Felt – Graphite or Titanium


Active Area:                                                       50cm2

Cell body dimension (H x W x T):                      10.1 cm x 10.1 cm x 1.0 cm

Overall body dimension (H x W x T):                 15.4 cm x 13.5 cm x 4.9 cm

Weight:                                                               2.8 kg

Operation Conditions

Operating Pressure:                                          30 – 50 psig

Operating Temperature:                                    35 – 75 oC

Hydrogen production:                                        10 – 350 SCCM