ArticleFundamental research2026
Lignin-mediated atomic coordination engineering of Ru nanoclusters with self-optimized Mott-Schottky interfaces for industrial hydrogen production.
Article in Fundamental research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The global transition toward carbon neutrality urgently demands scalable green hydrogen technologies driven by renewable energy. While water electrolysis represents a key pathway, current anion exchange membrane technologies face critical limitations in catalyst stability and efficiency, particularly in terms of ruthenium-based cathodes for the alkaline hydrogen evolution reaction (HER). Conventional synthesis methods frequently encounter irreversible nanoparticle aggregation due to weak metal-ligand coordination, significantly compromising catalytic durability. We present a groundbreaking supramolecular assembly strategy utilizing lignin's polyphenolic architecture to construct robust lignin-metal supramolecular framework (MSF@Lignin), achieving unparalleled dispersion of Ru active sites. Subsequent pyrolysis induces synergistic structural coupling between carbonized lignin matrices and Ru nanoclusters, forming electron-redistributed Mott-Schottky interfaces that drastically enhance charge transfer kinetics. The anion exchange membrane-water electrolyzer (AEMWE) device using Ru@OALC as the cathode achieved an industrial-grade current density of 0.5 A·cm
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