p-Block Antimony Single-Atom Catalysts for Nitric Oxide Electroreduction to Ammonia

Article Materials Science, Multidisciplinary

MXene Quantum Dots/Copper Nanocomposites for Synergistically Enhanced N2 Electroreduction

Yonghua Cheng et al.

Summary: Researchers have designed a novel heterostructured MQDs/Cu as an efficient and durable NRR catalyst, which displayed synergistically enhanced NRR activity superior to pure MQDs and Cu, as well as most state-of-the-art NRR catalysts.

ENERGY & ENVIRONMENTAL MATERIALS (2023)

添加到收藏夹

Article Chemistry, Inorganic & Nuclear

Electrocatalytic NO Reduction to NH3 on Mo2C Nanosheets

Ke Chu et al.

Summary: This study first reports that Mo2C is an active and selective NORR catalyst, and the surface-terminated Mo atoms on Mo2C can effectively activate NO, promote protonation energetics, and suppress proton adsorption, resulting in Mo2C's high NORR activity and selectivity.

INORGANIC CHEMISTRY (2023)

添加到收藏夹

Article Chemistry, Physical

Selenium-vacancy-rich WSe2 for nitrate electroreduction to ammonia

Peng Shen et al.

Summary: The study demonstrates that Se-vacancy-rich WSe2 nanoplatelets are highly efficient catalysts for electrocatalytic nitrate reduction to ammonia (NO3RR). The introduction of Se-vacancy activates nitrate and reduces the reaction barriers, promoting the nitrate reduction process.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

添加到收藏夹

Article Chemistry, Physical

B-doped MoS2 for nitrate electroreduction to ammonia

Yaojing Luo et al.

Summary: B-doped MoS2 nanosheet arrays are reported as efficient catalysts for NO3RR, achieving a NH3-Faradaic efficiency of 92.3% and a NH3 yield of 10.8 mg h-1 cm(-2) at -0.7 V (RHE). Theoretical calculations identify B-dopants as crucial active sites for enhancing NO3- activation and optimizing the free energies of reaction intermediates, resulting in enhanced NO3RR activity. Furthermore, B-MoS2 effectively suppresses undesired hydrogen evolution and exhibits high NO3RR selectivity.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

添加到收藏夹

Article Chemistry, Physical

Electrochemical NO reduction to NH3 on Cu single atom catalyst

Kai Chen et al.

Summary: In this study, single-atomic copper anchored on molybdenum disulfide (Cu-1/MoS2) was found to be a highly efficient catalyst for electrochemical reduction of NO to NH3. Cu-1/MoS2 exhibited an NH3 yield rate of 337.5 mu mol.h(-1).cm(-2) with a Faradaic efficiency of 90.6% at -0.6 V vs. reversible hydrogen electrode (RHE). Experimental and theoretical results revealed that Cu-1-S-3 motifs enable effective activation and hydrogenation of NO, as well as retard proton coverage, leading to high activity and selectivity for NORR.

NANO RESEARCH (2023)

添加到收藏夹

Article Chemistry, Physical

Atomically Fe-doped MoS2_x with Fe-Mo dual sites for efficient electrocatalytic NO reduction to NH3

Kai Chen et al.

Summary: In this study, atomically Fe-doped and S-vacancy-rich MoS2 (Fe1/MoS2_x) is designed as a highly efficient electrocatalyst for NO-to-NH3 conversion. The Fe1/MoS2_x catalyst exhibits a maximum NH3-Faradaic efficiency of 82.5% and NH3 yield of 288.2 mu mol h_ 1 cm_ 2 at _ 0.6 V vs. RHE.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

添加到收藏夹

Article Chemistry, Multidisciplinary

Sub-nm RuOX Clusters on Pd Metallene for Synergistically Enhanced Nitrate Electroreduction to Ammonia

Xiaotian Li et al.

Summary: Sub-nm RuOx clusters anchored on a Pd metallene (RuOx/Pd) are reported as a highly effective electrochemical nitrate reduction to ammonia reaction (NO3RR) catalyst, with a maximum NH3-Faradaic efficiency of 98.6%, NH3 yield rate of 23.5 mg h-1 cm-2, and partial current density of 296.3 mA cm-2 at -0.5 V vs RHE. Operando spectroscopic characterizations and theoretical computations reveal the synergy of RuOx and Pd in enhancing the energetics of NO3RR through hydrogen spillover and hydrogen-bond interactions.

ACS NANO (2023)

添加到收藏夹

Article Chemistry, Multidisciplinary

Lewis Acid Fe-V Pairs Promote Nitrate Electroreduction to Ammonia

Nana Zhang et al.

Summary: In this study, a single-atom Fe-doped V2O5 catalyst enriched with Lewis acid sites was designed for efficient NO3RR from the perspective of Lewis acid-base interaction. Mechanistic studies identified the formation of Lewis acid Fe-V pairs on Fe-V2O5, which synergistically activated NO3-, promoted hydrogenation energetics, and restrained hydrogen evolution, resulting in enhanced NO3RR activity and selectivity.

ADVANCED FUNCTIONAL MATERIALS (2023)

添加到收藏夹

Article Chemistry, Multidisciplinary

Single-Atom Bi Alloyed Pd Metallene for Nitrate Electroreduction to Ammonia

Kai Chen et al.

Summary: A highly effective NO3RR catalyst, single-atom Bi alloyed Pd metallene (Bi1Pd), exhibits near 100% NH3-Faradaic efficiency and a NH3 yield of 33.8 mg h(-1) cm(-2) at -0.6 V versus RHE, surpassing those of almost all reported NO3RR catalysts.

ADVANCED FUNCTIONAL MATERIALS (2023)

添加到收藏夹

Article Chemistry, Multidisciplinary

Tandem Electrocatalytic Nitrate Reduction to Ammonia on MBenes

Guike Zhang et al.

Summary: We have demonstrated the strong suitability of MBenes as a new type of tandem catalysts for electrocatalytic nitrate reduction to ammonia (NO3RR). FeB2 is employed as a model MBene catalyst for NO3RR, showing an impressive maximum NH3-Faradaic efficiency of 96.8% and a corresponding NH3 yield of 25.5 mg h(-1) cm(-2) at -0.6 V vs. RHE. Mechanistic studies reveal that the outstanding NO3RR activity of FeB2 arises from the tandem catalysis mechanism, where B sites activate NO3- to form intermediates, and Fe sites dissociate H2O and increase *H supply on B sites to enhance the intermediate hydrogenation and promote the conversion of NO3- to NH3.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

添加到收藏夹

Article Engineering, Environmental

Atomically dispersed Co catalyst for electrocatalytic NO reduction to NH3

Xiaotian Li et al.

Summary: This study presents the design of atomically dispersed Co anchored on MoS2 as a highly active and durable catalyst for electrocatalytic NO reduction to NH3. The Co1/MoS2 catalyst exhibits excellent NORR performance, outperforming most reported catalysts.

CHEMICAL ENGINEERING JOURNAL (2023)

添加到收藏夹

Article Chemistry, Physical

Atomically Dispersed Alkaline-Earth Metals as Active Centers for CO2 Electroreduction to Exclusively Produce Formate

Donghai Wu et al.

Summary: In this study, the feasibility of alkaline-earth (AE) metals as active centers in heterogeneous catalysis for electrocatalytic CO2 reduction to produce formate (HCOOH) was theoretically investigated. The results showed that Mg and Ca single-atom catalysts (SACs) embedded in graphene and g-C2N, respectively, can efficiently convert CO2 into HCOOH with high stability. This study provides a theoretical foundation for the rational design of efficient AE metal SACs for CO2 electroreduction and emphasizes the potential of AE metals as active centers in heterogeneous catalysis.

SMALL STRUCTURES (2023)

添加到收藏夹

Article Chemistry, Multidisciplinary

Electrochemical Reduction of Gaseous Nitrogen Oxides on Transition Metals at Ambient Conditions

Byung Hee Ko et al.

Summary: This research demonstrates a method of reducing gaseous NOx emissions at ambient temperatures through an electrochemical pathway. The study found that copper has a high selectivity towards NH3 formation, and a high NO coverage facilitates the N-N coupling reaction. This work provides a promising avenue for reducing gaseous NOx emissions at ambient conditions using renewable electricity.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

添加到收藏夹

Article Chemistry, Physical

Sulfur-deficient Bi2S3-x synergistically coupling Ti3C2Tx-MXene for boosting electrocatalytic N2 reduction

Yaojing Luo et al.

Summary: In this study, an efficient NRR catalyst was designed using defect and interface engineering. The catalyst exhibited enhanced NRR activity, surpassing other reported catalysts. Theoretical investigations revealed the synergistic effect of the catalyst's dual-active-center system in the NRR process.

NANO RESEARCH (2022)

添加到收藏夹

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)

添加到收藏夹

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)

添加到收藏夹

Article Chemistry, Physical

Electro-synthesis of Ammonia from Dilute Nitric Oxide on a Gas Diffusion Electrode

Seonjeong Cheon et al.

Summary: The electrochemical conversion of nitric oxide (NO) to ammonia (NH3) offers a sustainable route to transform air pollutants into value-added chemicals. By incorporating nanoscale zero-valent iron into a gas diffusion electrode (GDE), a high NH3 production rate and efficiency can be achieved. Controlling the proton concentration in the electrolyte further accelerates the NH3 production rate.

ACS ENERGY LETTERS (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Bi nanodendrites for highly efficient electrocatalytic NO reduction to NH3 at ambient conditions

Yiting Lin et al.

Summary: This study reports a highly efficient electrocatalyst for the selective reduction of NO to NH3. The catalyst exhibits high NH3 yield and Faradaic efficiency in neutral media, making it a promising catalyst for aqueous-based NO-to-NH3 conversion.

MATERIALS TODAY PHYSICS (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

High-Efficiency N2 Electroreduction Enabled by Se-Vacancy-Rich WSe2-x in Water-in-Salt Electrolytes

Peng Shen et al.

Summary: Combining catalyst and electrolyte engineering, a high-efficiency electrocatalytic nitrogen reduction reaction (NRR) is achieved using a Se-vacancy-rich WSe2-x catalyst in water-in-salt electrolyte (WISE), which suppresses H2 evolution, improves N2 affinity, and enhances active site pi-back-donation ability for promoting both activity and selectivity of NRR. The WSe2-x in 12m LiClO4 exhibits excellent faradaic efficiency and NH3 yield, among the highest reported to date.

ACS NANO (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Governing Interlayer Strain in Bismuth Nanocrystals for Efficient Ammonia Electrosynthesis from Nitrate Reduction

Ning Zhang et al.

Summary: This study demonstrates that interlayer strain compression in bismuth nanocrystals can enhance the activity and selectivity of the electrocatalyst for ammonia synthesis, leading to high production rates and Faradaic efficiency.

ACS NANO (2022)

添加到收藏夹

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)

添加到收藏夹

Article Chemistry, Multidisciplinary

Activation of Main-Group Antimony Atomic Sites for Oxygen Reduction Catalysis

Yu Gu et al.

Summary: By using a functional group regulation strategy, we have synthesized a main-group Sb single-atom catalyst with high oxygen reduction reaction activity. This discovery offers new opportunities for improving the catalytic activity of main-group-element electrocatalysts.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

添加到收藏夹

Article Engineering, Environmental

Ferrous-based electrolyte for simultaneous NO absorption and electroreduction to NH3 using Au/rGO electrode

Yongheng Xiong et al.

Summary: This study aims to electrochemically reduce NO to NH3 using a ferrous chelate as the electrolyte and rGO and Au/rGO catalysts as electrodes. The results showed that Au/rGO catalyst exhibited high yield and selectivity for NH3 under specific conditions.

JOURNAL OF HAZARDOUS MATERIALS (2022)

添加到收藏夹

Article Chemistry, Physical

Electrocatalytic Reduction of Low-Concentration Nitric Oxide into Ammonia over Ru Nanosheets

Yanbo Li et al.

Summary: In this study, low coordination number Ru nanosheets (Ru-LCN) were prepared and showed high performance in electrocatalytic reduction of NO to ammonia under low NO concentrations. The reaction pathway and enhanced mechanism were revealed through experiments and theoretical calculations.

ACS ENERGY LETTERS (2022)

添加到收藏夹

Article Engineering, Environmental

Atomically dispersed antimony on N-doped carbon for highly efficient oxygen reduction reaction

Dan Zhang et al.

Summary: A series of atomically dispersed Sb-N-C catalysts were successfully synthesized by an adsorption-pyrolysis strategy, demonstrating outstanding ORR activity and efficient mass transport.

CHEMICAL ENGINEERING JOURNAL (2022)

添加到收藏夹

Article Chemistry, Inorganic & Nuclear

A defect engineered p-block SnS2-x catalyst for efficient electrocatalytic NO reduction to NH3

Xiaotian Li et al.

Summary: This study demonstrates the potential of p-block Sn-based materials as NORR catalysts and develops a SnS2-x catalyst using a defect engineering strategy. The catalyst exhibits exceptional NH3-faradaic efficiency and NH3 yield rate, and theoretical computations reveal that its high NORR performance is attributed to the active Sn-V-S sites.

INORGANIC CHEMISTRY FRONTIERS (2022)

添加到收藏夹

Article Chemistry, Physical

p-Block Indium Single-Atom Catalyst with Low-Coordinated In-N Motif for Enhanced Electrochemical CO2 Reduction

Simin Li et al.

Summary: Two types of p-block indium single-atom catalysts exhibit excellent performance in electrochemical CO2 reduction, with the In-N-3-V site achieving the maximum CO Faradic efficiency in an aqueous medium. The structural change from In-N-4 to In-N-3-V brings the In orbital energies closer to the Fermi energy, lowering the energy barrier for COOH* intermediate formation and enhancing catalytic performance.

ACS CATALYSIS (2022)

添加到收藏夹

Article Chemistry, Physical

Ultra-efficient N2 electroreduction achieved over a rhodium single-atom catalyst (Rh1/MnO2) in water-in-salt electrolyte

Peng Shen et al.

Summary: This study reports a highly efficient nitrogen reduction reaction (NRR) catalysis system using a Rh single-atom catalyst in water-in-salt electrolytes, showing superior NH3 yield and Faradaic efficiency, representing one of the best NRR performances on record.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

添加到收藏夹

Article Chemistry, Inorganic & Nuclear

A vacancy engineered MnO2-x electrocatalyst promotes nitrate electroreduction to ammonia

Guohui Wang et al.

Summary: This study attempted to construct O-vacancies on MnO2 nanosheets, resulting in OV-rich MnO2-x catalysts that exhibited high NH3 yield, excellent FE, and outstanding stability in the NO3RR reaction.

DALTON TRANSACTIONS (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Boron Nitride Quantum Dots/Ti3C2Tx-MXene Heterostructure For Efficient Electrocatalytic Nitrogen Fixation

Ke Chu et al.

Summary: Researchers have discovered that the BN quantum dots/Ti3C2Tx-MXene heterostructure is an efficient and durable NRR catalyst, capable of producing high NH3 yield and selectivity.

ENERGY & ENVIRONMENTAL MATERIALS (2022)

添加到收藏夹

Article Chemistry, Physical

CO2-Assisted Synthesis of 2D Amorphous MoO3-x Nanosheets: From Top-Down to Bottom-Up

Tianpei Ge et al.

Summary: This study reports the facile bottom-up synthesis of 2D amorphous MoO3-x nanosheets using supercritical CO2 as a surface confining agent, with morphology tailored by adjusting pressure and enhanced surface plasma resonance exhibited. The prepared nanosheets show outstanding photothermal conversion performance, providing insights into the amorphization mechanism of 2D materials.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

添加到收藏夹

Article Chemistry, Applied

Amorphization activated FeB2 porous nanosheets enable efficient electrocatalytic N2 fixation

Ke Chu et al.

Summary: This study demonstrates experimentally that amorphous FeB2 porous nanosheets can serve as a highly efficient catalyst for the nitrogen reduction reaction, outperforming crystalline counterparts and existing catalysts. Amorphization of FeB2 enhances *N2H stabilization and reduces reaction barrier, showing promise for the development of earth-abundant TMB2-based catalysts for electrocatalytic N-2 fixation.

JOURNAL OF ENERGY CHEMISTRY (2021)

添加到收藏夹

Article Chemistry, Applied

Amorphous MoS3 enriched with sulfur vacancies for efficient electrocatalytic nitrogen reduction

Ke Chu et al.

Summary: The study demonstrates MoS3 as an efficient and durable NRR catalyst with high NH3 yield and Faradaic efficiency. Density functional theory calculations reveal the crucial role of S vacancies in activating the NRR mechanism.

JOURNAL OF ENERGY CHEMISTRY (2021)

添加到收藏夹

Article Chemistry, Applied

Main group metal elements for ambient-condition electrochemical nitrogen reduction

Ying Sun et al.

Summary: Electrocatalytic N-2 reduction has the potential to reduce greenhouse gas emissions and environmental pollution, but faces challenges in conversion efficiency. Main group metal-based catalysts show promising prospects for ammonia production, but a comprehensive review of their applications in electrochemical ammonia production is still lacking.

JOURNAL OF ENERGY CHEMISTRY (2021)

添加到收藏夹

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)

添加到收藏夹

Article Chemistry, Multidisciplinary

Atomic Indium Catalysts for Switching CO2 Electroreduction Products from Formate to CO

Weiwei Guo et al.

Summary: The use of atomic In catalysts for CO2 electroreduction to CO shows high efficiency and selectivity, offering a promising method to reduce greenhouse gas emissions. The catalyst demonstrates outstanding faradaic efficiency, total current density, and turnover frequency, along with remarkable stability.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

High-Performance Electrochemical NO Reduction into NH3 by MoS2 Nanosheet

Longcheng Zhang et al.

Summary: MoS2/GF nanosheet on graphite felt shows promising catalytic performance in electrochemical reduction of NO for NH3 production, offering a potential environmentally friendly and efficient approach for nitrogen cycle restoration.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Promoting nitric oxide electroreduction to ammonia over electron-rich Cu modulated by Ru doping

Jiangwei Shi et al.

Summary: The electrochemical reduction of nitric oxide to produce ammonia using Ru-doped Cu materials shows superior performance compared to pure Cu catalysts, with increased Faradaic efficiency and yield rates. The Ru doping induces changes in the Cu d-band center, facilitating the hydrogenation step and reducing the desorption energy of ammonia for enhanced catalytic activity.

SCIENCE CHINA-CHEMISTRY (2021)

添加到收藏夹

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)

添加到收藏夹

Article Multidisciplinary Sciences

Salting-out effect promoting highly efficient ambient ammonia synthesis

Mengfan Wang et al.

Summary: The electroreduction of nitrogen to ammonia offers a promising alternative to the energy-intensive Haber-Bosch process but suffers from low activity and selectivity. Here, authors demonstrate that triggering a salting-out effect in a highly concentrated electrolyte can achieve highly efficient ammonia synthesis.

NATURE COMMUNICATIONS (2021)

添加到收藏夹

Article Chemistry, Physical

Constructing an electron-rich interface over an Sb/Nb2CTx-MXene heterojunction for enhanced electrocatalytic nitrogen reduction

Xingchuan Li et al.

Summary: In this study, a highly efficient NRR catalyst Sb/Nb2CTx was reported, achieving high NH3 yield and selectivity. Density functional theory calculations revealed the mechanism behind the excellent performance of this catalyst.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

添加到收藏夹

Article Chemistry, Physical

Atomically dispersed antimony on carbon nitride for the artificial photosynthesis of hydrogen peroxide

Zhenyuan Teng et al.

Summary: Artificial photosynthesis is a promising strategy for producing environmentally friendly oxidants and clean fuels. A carbon nitride-supported antimony single atom photocatalyst has been developed for efficient synthesis of H2O2 under visible light irradiation.

NATURE CATALYSIS (2021)

添加到收藏夹

Review Chemistry, Multidisciplinary