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- Title
Membrane-free water electrolysis.
- Abstract
Researchers at KTH Royal Institute of Technology in Stockholm have developed a method to decouple the production of hydrogen and oxygen in water electrolysis, reducing the risk of explosion. The method involves using a super capacitive electrode made from carbon to store energy-rich OH- ions, which are released when the direction of current is reversed, producing oxygen. The researchers achieved an energy efficiency of 69% lower heating value using a cobalt-iron phosphide bifunctional catalyst. The technology has been patented and a company, Caplyzer AB, has been formed to scale up the technology.
- Subjects
ELECTRIC charge; ELECTRIC currents; OXYGEN in water; HYDROGEN production; WATER electrolysis
- Publication
Chemical Engineering, 2024, Vol 131, Issue 4, p6
- ISSN
0009-2460
- Publication type
Article