ArticleScience advances2025
Intensified atomic utilization efficiency of single-atom catalysts for nitrate conversion via electrified nanoporous membrane.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Decouple HAngewandte Chemie (International ed. in English) · 2026Article
- Breathing Bimetallic MOF Confined Polyoxometalates for Hydration Layer Loosening and Electronic Redistribution Toward Efficient Nitrate Electroreduction and Zn-Nitrate Batteries.Angewandte Chemie (International ed. in English) · 2026Article
- Pulsed Design Enables Ammonia Electrosynthesis From Dilute Nitrate in Real Wastewater.Angewandte Chemie (International ed. in English) · 2026Article
- Sustainable Synthesis of Ammonium Nitrate From Air and Water via Tandem Plasma-Electrolyzer System.Angewandte Chemie (International ed. in English) · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Conventional electrochemical reactors for nitrate reduction typically suffer from limited reaction efficiency when applied for real-world water treatment due to poor utilization of electrocatalytic active sites. Here, we applied nanoporous electrofiltration to intensify atomic utilization by incorporating single-atom catalysts into an electrified membrane for reducing low-concentration nitrate to ammonia under realistic water conditions. We enhance the exposure of single atoms in nanopores by coating the catalysts on a carbon nanotube-interwoven membrane framework. Electrofiltration intensifies the transport and adsorption of nitrate in confined nanopores with highly exposed single-atom active sites to enhance reduction. The membrane enables a superior ammonia turnover frequency of 15.1 grams of nitrogen per gram of metal per hour, up to four orders of magnitude higher than that reported in the literature, under both high removal efficiency and Faradaic efficiency of over 86% when treating influents with a low nitrate concentration of 100 milligrams of nitrogen per liter in a residence time on the order of seconds.
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Registered trials
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