ScienceLanguage: English
Chemists uncover the true active surface of nickel catalysts
Key Takeaways
- Nickel catalysts are crucial for alkaline water electrolysis.
- Researchers proved the active surface is nickel dioxide (NiO₂).
- This refutes the decades-old belief that nickel oxyhydroxide (NiOOH) was the active phase.
- Published in the journal Nature Catalysis.
A research team at Ulm University has solved a decades-old mystery regarding the active surface structure of nickel electrodes under reaction conditions. Contrary to popular belief, the catalytically active surface consists of nickel dioxide rather than nickel oxyhydroxide.
The findings, published in Nature Catalysis, enhance our understanding of alkaline water electrolysis, a key process for sustainable hydrogen production.
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