Selective Mass Accumulation at the Metal–Polymer Bridging Interface for Efficient Nitrate Electroreduction to Ammonia and Zn-Nitrate Batteries

Chao, Guojie; Zong, Wei; Zhu, Jiexin; Wang, Haifeng; Chu, Kaibin; Guo, Hele; Wang, Jian; Dai, Yuhang; Gao, Xuan; Liu, Longxiang; Guo, Fei; Parkin, Ivan P.; Luo, Wei; Shearing, Paul R.; Zhang, Longsheng; He, Guanjie; Liu, Tianxi

doi:10.1021/jacs.5c00400

articleJournal of the American Chemical SocietyJun 11, 2025HYBRID OA

Selective Mass Accumulation at the Metal–Polymer Bridging Interface for Efficient Nitrate Electroreduction to Ammonia and Zn-Nitrate Batteries

GCGuojie Chao WZWei Zong JZJiexin Zhu HWHaifeng Wang KCKaibin Chu

Jiangnan University · Nano Energy (South Africa) · +5 more institutions

PubMed

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Abstract

The electrochemical conversion of nitrate (NO3–), a common nitrogen source in industrial wastewater and contaminated groundwater, into ammonia (NH3), signifies an approach to wastewater treatment and NH3 production. Nevertheless, its selectivity and activity at low NO3– concentrations and industrial current densities are constrained by limited mass transfer around the electrode. Here, we report a metal–polymer bridging interface constructed by anchoring Cu/Cu2O nanoparticles onto a two-dimensional (2D) Cu-based benzene dicarboxylate (CuBDC) coordination polymer via in situ electroreduction (denoted as E-CuBDC). This interface weakens the electrostatic repulsion and regulates the distribution/migration of NO3–…

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55

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Topics & keywords

Topics

Keywords

Chemistry
Ammonia
Nitrate
Bridging (networking)
Inorganic chemistry
Metal
Environmental chemistry
Organic chemistry

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