A University of Oregon study pinpoints iron-ion contamination as a primary degradation driver in alkaline electrolysers operating under intermittent solar and wind power — a finding that sharpens the cost case for geological hydrogen, which requires no electrolysis at all.
As green hydrogen via electrolysis remains constrained by well-to-wheel efficiency losses of roughly five times that of battery-electric drivetrains, natural geological hydrogen is gaining attention as a pathway that bypasses the electrolysis bottleneck entirely.
A validated hybrid AEM electrolyser from P2H2 and Repsol hits efficiency, flexibility and durability targets simultaneously — raising fresh questions about when geological hydrogen will make electrolysis itself redundant.
Major carriers and port operators are backing maritime decarbonization efforts as both electrolytic green hydrogen and geological hydrogen exploration accelerate in parallel.