Hydrogen Fuel Cells Get a Boost: Nb-Doped TiO2 Mixed Conductor Works at 200–500 °C

The core news reported in both long and short versions—that researchers at Tohoku University developed a niobium-doped TiO2 mixed conductor enabling dual proton-electron transport at intermediate temperatures, published on August 18, 2025 in the Journal of the American Chemical Society—cannot be independently verified in web search results. However, the article qualifies key research claims by referencing peer review and attributing findings to specific researchers and institutions. There are no overt fabrications, but the absence of directly traceable primary sources limits the maximum trust score, especially for claims about publication, precise performance benchmarks, and business implications.