What is NJUST F-Centre-Engineered Zirconia Electrocatalyst?

Electrocatalysts are materials that speed up reactions at an electrode, and a recurring difficulty is selectivity: steering the reaction toward the wanted product rather than others. Oxygen vacancies, empty oxygen sites in an oxide crystal, can steer this, but the electric charge they carry is described by the authors as a largely untapped lever. This research result makes zirconium oxide (ZrO2−x) with the same crystal structure but different kinds of vacancy, called F centres, either electropositive (positively charged, F1) or electroneutral (uncharged overall, F2), so their effect can be compared cleanly. The electroneutral F2 centre helps trigger a two-electron oxygen reduction pathway (a route that does not break the O-O bond apart), whereas F1 binds oxygen directly and breaks its O-O bond. It was published in Nature Chemistry in 2026.

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