Cu nanoparticles decorated juncus-derived carbon for efficient electrocatalytic nitrite-to-ammonia conversion

Article Chemistry, Multidisciplinary

A TiO2-x nanobelt array with oxygen vacancies: an efficient electrocatalyst toward nitrite conversion to ammonia

Donglin Zhao et al.

Summary: This study reports that a TiO2-x nanobelt array with oxygen vacancies can convert nitrite into ammonia with high electrocatalytic efficiency and yield in alkaline solution.

CHEMICAL COMMUNICATIONS (2022)

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Article Chemistry, Multidisciplinary

Boosting electrochemical nitrite-ammonia conversion properties by a Cu foam@Cu2O catalyst

Qiuyue Chen et al.

Summary: In this study, Cu2O particles self-supported on Cu foam with enriched oxygen vacancies were developed as efficient catalysts for selective reduction of nitrite to ammonia. The catalyst exhibited a high NH3 yield rate and Faradaic efficiency under experimental conditions, providing a new approach for rational design of Cu-based catalysts for NH3 electrosynthesis.

CHEMICAL COMMUNICATIONS (2022)

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Article Chemistry, Physical

Ni2P nanosheet array for high-efficiency electrohydrogenation of nitrite to ammonia at ambient conditions

Guilai Wen et al.

Summary: Ammonia plays a crucial role in agriculture and industry, but its traditional production methods suffer from environmental pollution and high energy consumption. This study introduces a highly efficient electrocatalyst that can convert nitrite into ammonia at room temperature, achieving high yield rates and selectivity.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Ambient Ammonia Synthesis via Electrochemical Reduction of Nitrate Enabled by NiCo2O4 Nanowire Array

Qian Liu et al.

Summary: NiCo2O4 nanowire array on carbon cloth (NiCo2O4/CC) is proposed as a highly active electrocatalyst for ambient nitrate (NO3-) reduction to ammonia (NH3). It achieves a high Faradic efficiency of 99.0% and a large NH3 yield up to 973.2 mu mol h(-1) cm(-2). The superior catalytic activity comes from its half-metal feature and optimized adsorption energy due to the existence of Ni in the crystal structure.

SMALL (2022)

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Article Chemistry, Physical

Unveiling the Synergy of O-Vacancy and Heterostructure over MoO3-x/MXene for N2 Electroreduction to NH3

Ke Chu et al.

Summary: In this study, vacancy and heterostructure engineering were integrated to develop O-vacancy-rich MoO3-x anchored on Ti3C2Tx-MXene as a highly active and selective NRR electrocatalyst. Experimental results demonstrated exceptional NRR activity, increased NH3 yield, and Faradaic efficiency for the catalyst.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Biomass Juncus derived carbon decorated with cobalt nanoparticles enables high-efficiency ammonia electrosynthesis by nitrite reduction

Jiaqian Wang et al.

Summary: In this study, cobalt nanoparticle decorated biomass Juncus derived carbon was developed as a highly active NO2RR catalyst with high durability. The catalyst exhibited high NH3 yield and faradaic efficiency in alkaline media.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

Amorphization engineered VSe2-x nanosheets with abundant Se-vacancies for enhanced N2 electroreduction

Yaojing Luo et al.

Summary: In this study, the structural regulation of VSe2 through amorphization engineering led to the development of amorphous VSe2-x nanosheets with enriched Se-vacancies, resulting in significantly enhanced NRR activity. These amorphous VSe2-x nanosheets exhibited high NH3 yield and faradaic efficiency in NH3 synthesis, outperforming their crystalline counterparts.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Inorganic & Nuclear

Ambient electrochemical N2-to-NH3 conversion catalyzed by TiO2 decorated juncus effusus-derived carbon microtubes

Haijun Chen et al.

Summary: In this study, a hybrid catalyst of TiO2 and juncus effusus-derived carbon microtubes with a three-dimensional cross-linked hollow tubular structure is proposed for efficient electrocatalytic conversion of N-2 to NH3 at ambient conditions. The catalyst shows a high NH3 yield and faradaic efficiency in 0.1M Na2SO4, along with superior electrochemical and structural stability.

INORGANIC CHEMISTRY FRONTIERS (2022)

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Article Chemistry, Multidisciplinary

Amorphous Boron Carbide on Titanium Dioxide Nanobelt Arrays for High-Efficiency Electrocatalytic NO Reduction to NH3

Jie Liang et al.

Summary: In this study, an amorphous B2.6C supported on a TiO2 nanoarray was developed as a nanocatalyst for NH3 production. It exhibited high activity and durability in NO electroreduction compared to other catalysts. Additionally, a Zn-NO battery based on this catalyst achieved high power density and NH3 yield.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Iron-doped cobalt oxide nanoarray for efficient electrocatalytic nitrate-to-ammonia conversion

Peipei Wei et al.

Summary: In this study, Fe-doped Co3O4 nanoarray is reported to efficiently catalyze NO3RR for NH3 production in neutral conditions, achieving high yield and Faradaic efficiency.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Metal-organic framework derived carbon-supported bimetallic copper-nickel alloy electrocatalysts for highly selective nitrate reduction to ammonia

Yong Liu et al.

Summary: This study successfully developed efficient catalysts for the reduction of nitrate to ammonia by fabricating a series of CuNi alloy nanoparticles embedded in nitrogen-doped carbon matrix. The catalysts exhibited excellent selectivity and faradaic efficiency, surpassing the performance of monometallic catalysts. The reaction mechanism and key intermediates were revealed through experimental and computational methods. This work provides a new synthetic route for bimetallic catalysts and enhances the understanding of the nitrate to ammonia reaction.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Flower-like open-structured polycrystalline copper with synergistic multi-crystal plane for efficient electrocatalytic reduction of nitrate to ammonia

Yaling Zhao et al.

Summary: In this study, an open-structured catalyst with polycrystalline copper nanoparticles loaded on carbon fiber papers has been prepared by a simple method, achieving high efficiency and selectivity in nitrate reduction to ammonia. The optimal sample exhibited excellent reduction performance in a neutral solution.

NANO ENERGY (2022)

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Article Chemistry, Physical

Nitrite reduction over Ag nanoarray electrocatalyst for ammonia synthesis

Qian Liu et al.

Summary: In this study, an efficient electrocatalyst consisting of Ag nanoarray and NiO nanosheets array on carbon cloth as support was reported for the selective reduction of nitrite to ammonia. The catalyst exhibited high ammonia yield and Faradaic efficiency in alkaline solution.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Efficient Nitrogen Fixation to Ammonia through Integration of Plasma Oxidation with Electrocatalytic Reduction

Laiquan Li et al.

Summary: The process of converting N-2 to NH3 can be decoupled into a two-step process for efficient and selective ammonia production, utilizing air and water as low-cost raw materials. Surface boron-rich nickel boride electrocatalyst plays a key role in enhancing activity, selectivity, and stability, resulting in significant ammonia production with nearly 100% Faradaic efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Chemistry, Multidisciplinary

Main-group elements boost electrochemical nitrogen fixation

Laiquan Li et al.

Summary: In this review, we critically evaluate the application of main-group elements in electrocatalytic nitrogen reduction, present methodologies for N2 activation and HER suppression, and demonstrate the potential of MGEs-based mechanisms for smart design. The conclusion shows that MGEs can significantly enhance electrochemical N2 fixation.

CHEM (2021)

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Article Nanoscience & Nanotechnology

Ti2O3 Nanoparticles with Ti3+ Sites toward Efficient NH3 Electrosynthesis under Ambient Conditions

Haijun Chen et al.

Summary: Introducing Ti2O3 nanoparticles as a pure Ti3+ system has shown efficient catalytic performance in NH3 electrosynthesis under ambient conditions, with significantly increased NRR activity. The stable NH3 yield and high Faradaic efficiency of Ti2O3 in acidic electrolyte surpass most titanium-based NRR catalysts reported recently, demonstrating the enhanced electrocatalytic activity originating from Ti3+ active sites.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Synergistic Enhancement of Electrocatalytic Nitrogen Reduction Over Boron Nitride Quantum Dots Decorated Nb2CTx-MXene

Ke Chu et al.

Summary: A novel hexagonal BN quantum dots (BNQDs) decorated Nb2CTx-MXene (BNQDs@Nb2CTx) has been explored as an efficient NRR catalyst, which shows optimum NRR activity, high Faradaic efficiency, and excellent stability, outperforming most of the state-of-the-art NRR catalysts. The synergistic interplay of BNQDs and Nb2CTx creates unique interfacial B sites serving as NRR catalytic centers, enhancing N-2 activation and impeding H-2 evolution.

SMALL (2021)

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Article Chemistry, Multidisciplinary

An amorphous WC thin film enabled high-efficiency N2 reduction electrocatalysis under ambient conditions

Shaoxiong Li et al.

Summary: The study proposes a new method for environmentally friendly NH3 synthesis in aqueous media and investigates a highly efficient NRR electrocatalyst. The catalyst shows high NH3 yield and faradaic efficiency, as well as excellent selectivity and durability for NH3 formation.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Electrochemical ammonia synthesis from nitrite assisted by in situ generated hydrogen atoms on a nickel phosphide catalyst

Xiao Yang et al.

Summary: Utilizing nickel phosphide as the catalyst, a highly efficient electrochemical reduction of NO2- to NH3 is demonstrated, showing low onset potential and high faradaic efficiency.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

High-efficiency electrochemical nitrite reduction to ammonium using a Cu3P nanowire array under ambient conditions

Jie Liang et al.

Summary: The study introduces a Cu3P nanowire array supported on copper foam as an efficient electrocatalyst for nitrite-to-ammonium conversion in neutral media. This catalyst demonstrates high ammonium yield rates, Faradaic efficiencies, and stability.

GREEN CHEMISTRY (2021)

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Article Chemistry, Physical