Innovation

Pulsing electricity to an electrolyser can halve the power needed to produce each kilo of hydrogen: study

Pulsing could be a breakthrough for an industry desperate to reduce the costs of green H2, but 50% efficiency gains in commercial electrolysers would break the laws of physics

Bubble size and dispersal rates using direct current (left) and high-frequency pulsed electrolysis (right) at eight volts.
Bubble size and dispersal rates using direct current (left) and high-frequency pulsed electrolysis (right) at eight volts.Photo: Hebei University of Science and Technology/Hydrogen Insight
Editor, Hydrogen Insight
Published 25 February 2025, 08:47Updated 25 February 2025, 09:02