A Knowledge-Based Molecular Single-Source Precursor Approach to Nickel Chalcogenide Precatalysts for Electrocatalytic Water, Alcohol, and Aldehyde Oxidations DOI Creative Commons
Basundhara Dasgupta, Shenglai Yao, Indranil Mondal

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 3, 2024

The development and comprehensive understanding of nickel chalcogenides are critical since they constitute a class efficient electro(pre)catalysts for the oxygen evolution reaction (OER) value-added organic oxidations. This study introduces knowledge-based facile approach to analogous NiE (E = S, Se, Te) phases, originating from molecular β-diketiminato [Ni2E2] complexes their application OER recorded activity trends both target reactions follow order NiSe > NiS NiTe. Notably, displayed performance selective oxidation benzyl alcohol 5-hydroxymethylfurfural, exhibiting stability in 11 days under industrially pertinent conditions. Comprehensive analysis, including quasi situ X-ray absorption Raman spectroscopy, combination with several ex techniques, revealed material reconstruction process alkaline conditions, involving chalcogen leaching. While experienced full leaching into NiIII/IV oxyhydroxide active phases intercalated potassium ions, transformation NiTe is incomplete. highlights structure–activity relationship whole series chalcogenides, directly linking availability sites catalysis. Such findings hold great promise electrocatalysts wide range applications, impacting various industrial processes sustainable energy solutions.

Language: Английский

Advancing the Development of Hollow Micro/nanostructured Materials for Electrocatalytic Water Splitting: Current State, Challenges, and Perspectives DOI
Muhammad Asim Mushtaq, Muhammad Ahmad, Attia Shaheen

et al.

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 6(7), P. 3090 - 3111

Published: June 20, 2024

Electrocatalytic water splitting is commonly regarded as a sustainable and clean method to generate hydrogen oxygen, which deemed be efficient for the utilization of renewable energy. Electrocatalysts are essential components enhance electrochemical efficiency optimize product yield. Hollow micro/nanostructures possess large specific surface areas, multiple voids, tunable chemical compositions, making them suitable use direct catalysts or supports reactions. This review summarizes recent advancements in structural functional designs micro/nanostructured hollow materials electrocatalysts an enhanced water-splitting process. We emphasize ideas strategies create various oxygen/hydrogen evolution processes. Subsequently, comprehensive summary studies on borides, carbides, oxides, phosphides, selenides, sulfides, alloys, MXenes, heterostructured containing hosts provided. Furthermore, we highlight current challenges perspectives electrocatalytic splitting.

Language: Английский

Citations

16
Recent Progress and Future Outlook on Catalysts for Ammonia Electrosynthesis: Materials, Structural Design, and Reaction Efficiency DOI

Yanjing Wu,

Manyu Zhang,

Zhenli Zhao

et al.

Energy & Fuels, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

With the increasing demand for downstream ammonia products, research on fuel has received growing attention. Therefore, under "dual carbon" context, it is crucial to develop an energy-efficient and environmentally friendly method synthesis. Current indicates that electrocatalytic synthesis one of most promising methods. This study systematically summarizes three major factors influencing nitrogen reduction reaction (eNRR) catalysts synthesis: material optimization, structural design, engineering. In terms materials, precious-metal-based, non-precious-metal-based, metal-free eNRR are classified listed. By examination properties catalytic effects various metals non-metals in synthesis, materials with highest activity can be further identified. To enhance efficiency, strategies, such as vacancy creation, doping, interface engineering, facet changes size morphology active sites, have been summarized. integration reactions, including microscale activation, proton transfer, electron efficiency was discussed depth. Finally, urgent issues need addressed current were discussed, unique insights future development provided. review aims provide innovative ideas design improve rate selectivity catalysts.

Language: Английский

Citations

2
MnO2 decorated Silicon Nanowires: A novel photocatalyst for improved Rhodamine B removal under visible light exposure DOI

K. Derkaoui,

Ismail Bencherifa,

Toufik Hadjersi

et al.

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 53, P. 105086 - 105086

Published: Sept. 8, 2024

Language: Английский

Citations

12
Co nanoparticle-decorated radix cynanchi daniculati-derived carbon for efficient electrocatalytic nitrite reduction to ammonia DOI

MA Cheng-liang,

Bao Li,

Xiaoya Fan

et al.

Catalysis Science & Technology, Journal Year: 2024, Volume and Issue: 14(11), P. 3007 - 3011

Published: Jan. 1, 2024

As an efficient catalyst for NH 3 production via NO 2 − reduction, Co nanoparticles decorated radix cynanchi paniculati-derived carbon exhibits a high faradaic efficiency of 92.77% with yield 1235.62 μmol h −1 cm −2 at −0.8 V.

Language: Английский

Citations

8
Recent advances in transition metal electrocatalysts for effective nitrogen reduction reaction under ambient conditions DOI Creative Commons
Li An, Zhaoyan Zhang, Guohua Liu

et al.

EcoEnergy, Journal Year: 2024, Volume and Issue: 2(2), P. 229 - 257

Published: May 29, 2024

Abstract As one of the world's largest chemical products, ammonia (NH 3 ) plays a vital role in industry, agricultural production, and national defense. In modern NH is produced primarily through high‐temperature high‐pressure Haber–Bosch process, which consumes large amounts energy releases greenhouse gases. Electrocatalytic nitrogen reduction reaction (NRR) under ambient conditions has been widely considered among many fixation methods, can be using renewable energy. However, main challenge to achieve both high yield Faraday efficiency, attributed strong N ≡ bond serious hydrogen evolution reaction. Based on key problems, this review discussed transition metal (TM) catalysts, including alloys, TM oxides, sulfides, carbides, strategies for tuning electronic structure, regulating morphology, bimetallic synergistic effect improving NRR performance. Moreover, also summarized detection methods reliable control experimental parameters process obtain accurate results. Finally, challenges future directions catalysts are considered, emphasizing available opportunities by following giving principles.

Language: Английский

Citations

8
Coordination Structure Modulation in Group‐VIB Metal Doped Ag3PO4 Augments Active Site Density for Electrocatalytic Conversion of N2 to NH3 DOI
Ashmita Biswas, Mamta Devi Sharma, Samadhan Kapse

et al.

Small, Journal Year: 2024, Volume and Issue: 20(42)

Published: June 19, 2024

Doping is considered a promising material engineering strategy in electrochemical nitrogen reduction reaction (NRR), provided the role of active site rightly identified. This work concerns doping group VIB metal Ag

Language: Английский

Citations

4
Boosting the Production of Hydrogen from an Overall Urea Splitting Reaction Using a Tri‐Functional Scandium–Cobalt Electrocatalyst DOI

S. Tamilarasi,

Ramasamy Santhosh Kumar,

Ae Rhan Kim

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 24, 2024

Abstract The creation of highly efficient and economical electrocatalysts is essential to the massive electrolysis water produce clean energy. ability use urea reaction oxidation (UOR) in place oxygen/hydrogen evolution process (OER/HER) during splitting a significant step toward production high‐purity hydrogen with less energy usage. Empirical evidence suggests that UOR consists two stages. First, metal sites undergo an electrochemical pre‐oxidation reaction, then molecules on high‐valence are chemically oxidized. Here, scandium‐doped CoTe supported carbon nanotubes called Sc@CoTe/CNT reported CoTe/CNT as composite efficiently promote generation from durable active for OER/UOR/HER alkali solutions. Electrochemical impedance spectroscopy indicates facilitates charge transfer across interface. Furthermore, nanocatalyst has high performance KOH KOH‐containing solutions demonstrated by HER, OER, (215 mV, 1.59, 1.31 V, respectively, at 10 mA cm −2 1 m KOH) shows 195 1.61 1.3 respectively. Consequently, total system achieves 1.29 whereas overall device obtaines 1.49 V 1.54, 1.48 This work presents viable method combining HER maximally effective production.

Language: Английский

Citations

4
In@Mn3O4 with Rich Interface Low‐Coordination Mn Active Sites for Boosting Electrocatalytic Nitrogen Reduction DOI Open Access
Ting Wu, Yue Du, Zhijun Zuo

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 10, 2025

Abstract Electrocatalytic nitrogen reduction reaction (NRR) is a potential strategy for green synthesis of ammonia. However, the lack efficient catalysts with both high activity and selectivity restricts development electrocatalytic NRR. In this study, simple water‐based redox method used to synthesize core–shell nanoparticle catalyst 2D Mn 3 O 4 as shell core. The rich interface low‐coordination helps provide more active sites At same time, nucleus gives electrons shell, jointly promotes adsorption activation nitrogen, well enhancement NRR activity. Moreover, designed hydrophobicity, which effectively reduces side hydrogen evolution H proton generated from water dissociation, improved. 0.1 m Na 2 SO , ammonia yield In@Mn 89.44 µg h −1 mg cat (−0.9 V vs RHE) maximum Faradaic efficiency 27.01% at −0.7 (vs RHE), superior most reported catalysts. unique structure design low coordination insights regulation nitrogen–water environment rational advanced electrocatalysts.

Language: Английский

Citations

0
Main-Group Sn Single Atoms on MoS2–x for Selective Nitrite Electroreduction to Ammonia DOI
Peng Guo, Xindong Wang, Yu-Fei Wang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

Electrocatalytic NO2–-to-NH3 reduction (NO2RR) offers an attractive way to remedy polluted NO2– and produce value-added NH3. In this study, main-group Sn single atoms anchored on S-vacancy-rich MoS2–x (Sn1/MoS2–x) are explored as a highly selective NO2RR catalyst. Combined theoretical computations in situ spectroscopic measurements reveal that the isolated Sn1 sites of Sn1/MoS2–x can not only promote activation hydrogenation but also favor NH3 desorption restrict H adsorption, thus enabling for synthesis. Remarkably, exhibits NH3–Faradaic efficiency 98.8% yield rate 1922.3 μmol h–1 cm–2 flow cell, outperforming most catalysts reported date.

Language: Английский

Citations

0
Photoelectrocatalytic highly selective oxidation of glycerol to C3 products on Mo:BiVO4/NiOOH photoanodes DOI

Huili Gong,

Rufeng Tian,

Lu Niu

et al.

Journal of Electroanalytical Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 119019 - 119019

Published: Feb. 1, 2025

Language: Английский

Citations

0