In-Situ Raman MEA Electrolyser Cell

A membrane electrode assembly (MEA) electrolyser sandwiches a gas diffusion electrode, ion-exchange membrane and anode between cathode and anode flow plates; with no liquid electrolyte gap between the electrodes (zero gap), cell resistance is low and current densities close to industrial scale can be reached.

This cell has an optical window for in-situ Raman measurements of an MEA under real operating conditions; the window–sample distance is below 5 mm. The channel is 14 × 14 mm and can be customised.

The plates are high-purity titanium; nickel plates can be made for better corrosion resistance in alkaline solutions. Current tabs are gold-plated copper; PEEK quick connectors (1/8 inch) create shear inside the channel.

Key Features

• Quartz or sapphire window
• Window–sample distance < 5 mm (manufacturer data)
• Channel 14 × 14 mm (custom possible)
• Titanium plates (nickel optional), gold-plated copper tabs
• PEEK 1/8 inch quick connectors

Technical Specifications

Dimensions, channel sizes and volume can be customised on request; please state special requirements in your quotation request.

Applications

• Operando Raman of the cathode catalyst in a running MEA
• Intermediates and reconstruction during CO₂ electrolysis