Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion
Abstract The efficiency of nitrate reduction reaction (NO3RR) at low nitrate concentration is predominantly hindered by the poor affinity of nitrate ions and competitive hydrogen evolution reaction (HER), particularly in neutral and acidic media. Here, an innovative strategy to leverage the interfac...
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| Format: | Article |
| Language: | English |
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Wiley
2025-01-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202410763 |
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| author | Kouer Zhang Yifan Xu Fatang Liu Qing Wang Xiaohong Zou Mingcong Tang Michael K.H. Leung Zhimin Ao Xunhua Zhao Xiao Zhang Liang An |
| author_facet | Kouer Zhang Yifan Xu Fatang Liu Qing Wang Xiaohong Zou Mingcong Tang Michael K.H. Leung Zhimin Ao Xunhua Zhao Xiao Zhang Liang An |
| author_sort | Kouer Zhang |
| collection | DOAJ |
| description | Abstract The efficiency of nitrate reduction reaction (NO3RR) at low nitrate concentration is predominantly hindered by the poor affinity of nitrate ions and competitive hydrogen evolution reaction (HER), particularly in neutral and acidic media. Here, an innovative strategy to leverage the interfacial electric field (IEF) is introduced to boost the NO3RR performance. By in situ constructing tannic acid‐metal ion (TA‐M2+) crosslinked structure on the electrode surface, the TA‐M2+‐CuO NW/Cu foam sample exhibits an exceptional Faraday efficiency of 99.4% at −0.2 V versus reversible hydrogen electrode (RHE) and 83.9% at 0.0 V versus RHE under neutral and acidic conditions, respectively. The computational studies unveil that the TA‐Cu2+ complex on the CuO (111) plane induces the increasing concentration of nitrate at the interface, accelerating NO3RR kinetics over HER via the IEF effect. This interfacial modulation strategy also contributes the enhanced ammonia production performance when it is employed on commercial electrode materials and flow reactors, exhibiting great potential in practical application. Overall, combined results illustrated multiple merits of the IEF effect, paving the way for future commercialization of NO3RR in the ammonia production industry. |
| format | Article |
| id | doaj-art-1e5e63d6e22f41178bdcd5c3d5bf8a75 |
| institution | Kabale University |
| issn | 2198-3844 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-1e5e63d6e22f41178bdcd5c3d5bf8a752025-01-29T09:50:18ZengWileyAdvanced Science2198-38442025-01-01124n/an/a10.1002/advs.202410763Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia ConversionKouer Zhang0Yifan Xu1Fatang Liu2Qing Wang3Xiaohong Zou4Mingcong Tang5Michael K.H. Leung6Zhimin Ao7Xunhua Zhao8Xiao Zhang9Liang An10Department of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaAbility R&D Energy Research Centre School of Energy and Environment City University of Hong Kong Kowloon Hong Kong SAR 999077 ChinaDepartment of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaDepartment of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaDepartment of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaDepartment of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaAbility R&D Energy Research Centre School of Energy and Environment City University of Hong Kong Kowloon Hong Kong SAR 999077 ChinaAdvanced Interdisciplinary Institute of Environment and Ecology Guangdong Provincial Key Laboratory of Wastewater Information Analysis and Early Warning Beijing Normal University Zhuhai 519087 ChinaKey Laboratory of Quantum Materials and Devices of Ministry of Education School of Physics Southeast University Nanjing 211189 ChinaDepartment of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaDepartment of Mechanical Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR 999077 ChinaAbstract The efficiency of nitrate reduction reaction (NO3RR) at low nitrate concentration is predominantly hindered by the poor affinity of nitrate ions and competitive hydrogen evolution reaction (HER), particularly in neutral and acidic media. Here, an innovative strategy to leverage the interfacial electric field (IEF) is introduced to boost the NO3RR performance. By in situ constructing tannic acid‐metal ion (TA‐M2+) crosslinked structure on the electrode surface, the TA‐M2+‐CuO NW/Cu foam sample exhibits an exceptional Faraday efficiency of 99.4% at −0.2 V versus reversible hydrogen electrode (RHE) and 83.9% at 0.0 V versus RHE under neutral and acidic conditions, respectively. The computational studies unveil that the TA‐Cu2+ complex on the CuO (111) plane induces the increasing concentration of nitrate at the interface, accelerating NO3RR kinetics over HER via the IEF effect. This interfacial modulation strategy also contributes the enhanced ammonia production performance when it is employed on commercial electrode materials and flow reactors, exhibiting great potential in practical application. Overall, combined results illustrated multiple merits of the IEF effect, paving the way for future commercialization of NO3RR in the ammonia production industry.https://doi.org/10.1002/advs.202410763electrochemistryenvironmental chemistryinterfacial electric fieldnitrate reduction |
| spellingShingle | Kouer Zhang Yifan Xu Fatang Liu Qing Wang Xiaohong Zou Mingcong Tang Michael K.H. Leung Zhimin Ao Xunhua Zhao Xiao Zhang Liang An Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion Advanced Science electrochemistry environmental chemistry interfacial electric field nitrate reduction |
| title | Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion |
| title_full | Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion |
| title_fullStr | Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion |
| title_full_unstemmed | Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion |
| title_short | Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion |
| title_sort | leveraging interfacial electric field for smart modulation of electrode surface in nitrate to ammonia conversion |
| topic | electrochemistry environmental chemistry interfacial electric field nitrate reduction |
| url | https://doi.org/10.1002/advs.202410763 |
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