Operando spectroscopy: Fuel cells
Operando vibrational spectroscopy: Fuel cells
Operando Raman spectrum of Pt/Nafion interface of an operating fuel cell
The IR and Raman fuel cells enable infrared spectroscopy of membrane electrode assemblies under normal operating conditions. The spectroscopy cells have a 9-pin connector for interfacing to an EZstat potentiostat/galvanostat. The EZstat controls the cell potential or current, and the temperature of the reactant transfer lines and humidifiers. Steel rule cutting dies are included for gasket cutting (two for Teflon gaskets and one for cutting of the gas diffusion layers).
IR cell:
The Operando cell interfaces with a Pike DiffusIR™ diffuse reflection accessory: a slot on the underside of the cell ensures precise positioning of the cell. The cell features a pin-style upper flow field to optimize flow distribution around a CaF2 window. Additional charge is required for adaptation to other diffuse reflectance devices.
Operando IR fuel cell
Raman cell:
The cell dimensions provide versatility and ease of use in a confocal Raman microscope. The cell features a pin-style upper flow field to optimize flow distribution around a quartz Raman window.
Operando Raman fuel cell
Specifications for Raman cell:
• Height: ⁵⁸/₆₄’’; Length: 4 ³³/₆₄”; Width: 2″
• Temperature range: 25 to 90°C.
• Electrode area: 5 cm2
• Flowfield connectors: ¹/₁₆“ male NPT to ¹/₁₆” female Swagelok.
Replacement parts are available.
The EZstat potentiostat is not included. NuVant can provide cables for alternate potentiostats.
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Operando Spectroscopy peer reviewed publications
