ArticleNature communications2023
Discovery of fast and stable proton storage in bulk hexagonal molybdenum oxide.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Reverse hydrogen spillover accelerates electrocatalytic nitrate reduction to ammonia on Ru/WONature communications · 2026Article
- Conjugation-Induced Self-Selective Coordination Enables Organic Polymers with Low-Temperature Ammonium-Ion Storage.Research (Washington, D.C.) · 2026Article
- Advanced characterization of confined electrochemical interfaces in electrochemical capacitors.Nature nanotechnology · 2025Review
- The Preparation of High-Performance MoONanomaterials (Basel, Switzerland) · 2024Article
- Galvanic hydrogenation reaction in metal oxide.Nature communications · 2024Article
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Authors and funding
7 authors.
Funding
Abstract
Ionic and electronic transport in electrodes is crucial for electrochemical energy storage technology. To optimize the transport pathway of ions and electrons, electrode materials are minimized to nanometer-sized dimensions, leading to problems of volumetric performance, stability, cost, and pollution. Here we find that a bulk hexagonal molybdenum oxide with unconventional ion channels can store large amounts of protons at a high rate even if its particle size is tens of micrometers. The diffusion-free proton transport kinetics based on hydrogen bonding topochemistry is demonstrated in hexagonal molybdenum oxide whose proton conductivity is several orders of magnitude higher than traditional orthorhombic molybdenum oxide. In situ X-ray diffraction and theoretical calculation reveal that the structural self-optimization in the first discharge effectively promotes the reversible intercalation/de-intercalation of subsequent protons. The open crystal structure, suitable proton channels, and negligible volume strain enable rapid and stable proton transport and storage, resulting in extremely high volumetric capacitance (~1750 F cm
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