Electrical current is applied to water containing Na2SO4 as an electrolyte. The water is converted into gaseous H2 and O2 at the electrodes. Attach one alligator clip from the battery pack to each ...

While hydrogen production technologies are gaining attraction for a sustainable energy transition, traditional water ...

Water electrolysis requires a catalyst that accelerates 2 important reactions. One of them is "hydrogen evolution reaction" (HER), which produces hydrogen gas (H2) by combining hydrogen ions (H+ ...

The solution contains chlorine, which is created through electrolysis ... When you pour in a salt water mixture it passes through the energized plates and a chemical reaction splits the sodium ...

Nonetheless, water electrolysis hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) typically require precious metals as electrocatalysts. This limitation has prompted ...

Moreover, when applied to industrial-scale water electrolysis equipment ... setting a new benchmark in hydrogen evolution ...

For a start, the reaction isn’t very efficient. To make methane, hydrogen has to be produced via water electrolysis before being mixed with carbon dioxide, but combining these two processes ...

Seoul National University’s College of Engineering has announced a major breakthrough in eco-friendly hydrogen production. A ...

More information: Byung-Jo Lee et al, Highly Active and Stable Al-Doped NiFe Self-Supported Oxygen Evolution Reaction Electrode for Alkaline Water Electrolysis, ACS Catalysis (2025). DOI ...

The new ruthenium core-shell catalyst sets a benchmark in hydrogen production, combining high efficiency with reduced ...