To overcome the current challenges of renewable H2 is mandatory to diversify the technology portfolio as well as invest in and develop technologies that are currently at low TRL.
X-SEED project develops an innovative membrane-less alkaline electrolyzer that operates under supercritical water conditions (above 374°C and 220 bar) in a laminar flow regime.
The electrolyzer features an anode and a cathode placed parallelly without membrane in between.
Optimized reactor design by multiphysics modeling and laminar flow operation allows obtaining high-quality oxygen (O₂) and hydrogen (H₂) separated outputs.
X-SEED electrolyzer will use wastewater and waste heat from industrial processes, integrating circularity and enhancing energy efficiency.
X-SEED takes advantage of its properties to decrease the internal resistance and improve efficiency:
Moreover, operating at high temperatures allows for both kinetics and thermodynamic benefits, mainly increasing voltage efficiency.
X-SEED project begins at level two of the Technological Readiness Level (TRL) metrics. X-SEED has outlined strategic steps and key technological drivers to achieve ambitious objectives. These initiatives also provide a clear roadmap for scaling up the validated solution, which will be a short stack electrolyzer working at supercritical conditions.
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