Bifunctional P-Intercalated and Doped Metallic (1T)-Copper Molybdenum Sulfide Ultrathin 2D-Nanosheets with Enlarged Interlayers for Efficient Overall Water Splitting DOI
Chandan Chandru Gudal, Uday Narayan Pan, Dasu Ram Paudel

et al.

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 14(12), P. 14492 - 14503

Published: March 18, 2022

Metallic (1T) molybdenum disulfide (MoS2) is a much better electrocatalyst than the semiconducting (2H) MoS2 because of its superior conductivity, presence active basal planes, and bulky interlayers. However, lack thermodynamic stability has hindered practical uses. The insertion transition metals nonmetals in interlayers crystal known to improve both catalytic efficacy 1T-MoS2. In this study, for first time we have developed an water splitting based on metallic copper sulfide (1T-CMS). present catalyst, P-doped intercalated 1T-CMS ultrathin 2D nanosheets carbon cloth (P-1T-CMS@CC), demonstrates excellent hydrogen evolution reaction (HER) oxygen (OER). It required overpotential 95 mV HER 284 OER at current density 10 mA cm-2. P-1T-CMS@CC(+ -) device also shows performance, requiring cell voltage only 1.51 V

Language: Английский

Active hydrogen boosts electrochemical nitrate reduction to ammonia DOI Creative Commons

Kui Fan,

Wenfu Xie, Jinze Li

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Dec. 27, 2022

Electrochemical nitrate reduction to ammonia is a promising alternative strategy the traditional Haber-Bosch process but suffers from low Faradaic efficiency and limited yield due sluggish multi-electron/proton-involved steps. Herein, we report typical hollow cobalt phosphide nanosphere electrocatalyst assembled on self-supported carbon nanosheet array synthesized with confinement that exhibits an extremely high rate of 8.47 mmol h

Language: Английский

Citations

430
Progress in Hydrogen Production Coupled with Electrochemical Oxidation of Small Molecules DOI
Tongzhou Wang, Xuejie Cao, Lifang Jiao

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(51)

Published: Oct. 6, 2022

Abstract The electrochemical oxidation of small molecules to generate value‐added products has gained enormous interest in recent years because the advantages benign operation conditions, high conversion efficiency and selectivity, absence external oxidizing agents, eco‐friendliness. Coupling replace oxygen evolution reaction (OER) at anode hydrogen (HER) cathode an electrolyzer would simultaneously realize generation high‐value chemicals or pollutant degradation highly efficient production hydrogen. This Minireview presents introduction on small‐molecule choice design strategies electrocatalysts as well breakthroughs achieved Finally, challenges future orientations are highlighted.

Language: Английский

Citations

253
Electrocatalytic Hydrogenation of 5‐Hydroxymethylfurfural Promoted by a Ru1Cu Single‐Atom Alloy Catalyst DOI

Kaiyue Ji,

Ming Xu, Simin Xu

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(37)

Published: July 25, 2022

Electrochemical reduction of biomass-derived 5-hydroxymethylfurfural (HMF) represents an elegant route toward sustainable value-added chemicals production that circumvents the use fossil fuel and hydrogen. However, reaction efficiency is hampered by high voltage low activity electrodes (Cu, Bi, Pb). Herein, we report a Ru1 Cu single-atom alloy (SAA) catalyst with isolated Ru atoms on nanowires exhibits electrochemical HMF to 2,5-dihydroxymethylfuran (DHMF) promoted productivity (0.47 vs. 0.08 mmol cm-2 h-1 ) faradic (FE) (85.6 71.3 %) at -0.3 V (vs. RHE) compared counterpart. More importantly, FE (87.5 largely retained concentration (100 mM). Kinetic studies using combined techniques suggest disparate mechanisms over Cu, revealing promotes dissociation water produce H* species effectively react via electrocatalytic hydrogenation (ECH) mechanism.

Language: Английский

Citations

193
Rational design of porous Ni-Co-Fe ternary metal phosphides nanobricks as bifunctional electrocatalysts for efficient overall water splitting DOI
Ang Li, Ling Zhang, Fangzheng Wang

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2022, Volume and Issue: 310, P. 121353 - 121353

Published: March 28, 2022

Language: Английский

Citations

154
Hydrogen production coupled with water and organic oxidation based on layered double hydroxides DOI Creative Commons

Y.D. Song,

Kaiyue Ji,

Haohong Duan

et al.

Exploration, Journal Year: 2021, Volume and Issue: 1(3)

Published: Dec. 1, 2021

Hydrogen production via electrochemical water splitting is one of the most green and promising ways to produce clean energy address resource crisis, but still suffers from low efficiency high cost mainly due sluggish oxygen evolution reaction (OER) process. Alternatively, hydrogen-evolution coupled with alternative oxidation (EHCO) has been proposed as a considerable strategy improve hydrogen combined value-added chemicals. Although these merits, high-efficient electrocatalysts are always needed in practical operation. Typically, layered double hydroxides (LDHs) have developed large class advanced toward both OER EHCO stability. In this review, we summarized latest progress perspectives designing efficient LDHs-based for EHCO. Particularly, influence structure design component regulation on their electrocatalytic process discussed detail. Finally, look forward challenges field organic oxidation, such mechanism, selected well system design, hoping provide certain inspiration development low-cost technology.

Language: Английский

Citations

139
Ni(OH)2 nanoparticles encapsulated in conductive nanowire array for high-performance alkaline seawater oxidation DOI
Longcheng Zhang, Jiaqian Wang, Pengyu Liu

et al.

Nano Research, Journal Year: 2022, Volume and Issue: 15(7), P. 6084 - 6090

Published: April 21, 2022

Language: Английский

Citations

136
Bifunctional integrated electrode for high-efficient hydrogen production coupled with 5-hydroxymethylfurfural oxidation DOI

Yuke Song,

Wenfu Xie, Yingjie Song

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2022, Volume and Issue: 312, P. 121400 - 121400

Published: April 13, 2022

Language: Английский

Citations

126
Electronic Modulation of Metal–Organic Frameworks by Interfacial Bridging for Efficient pH‐Universal Hydrogen Evolution DOI
Luqi Wang, Li Song, Zhenyu Yang

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 33(1)

Published: Oct. 26, 2022

Abstract Designing well‐defined interfacial chemical bond bridges is an effective strategy to optimize the catalytic activity of metal–organic frameworks (MOFs), but it remains challenging. Herein, a facile in situ growth reported for synthesis tightly connected 2D/2D heterostructures by coupling MXene with CoBDC nanosheets. The multifunctional nanosheets high conductivity and ideal hydrophilicity as bridging carriers can ensure structural stability sufficient exposure active sites. Moreover, Co–O–Ti formed at interface effectively triggers charge transfer modulates electronic structure Co‐active site, which enhances reaction kinetics. As result, optimized CoBDC/MXene exhibits superior hydrogen evolution (HER) low overpotentials 29, 41, 76 mV 10 mA cm −2 alkaline, acidic, neutral electrolytes, respectively, comparable commercial Pt/C. Theoretical calculation demonstrates that bridging‐induced electron redistribution optimizes free energy water dissociation adsorption, resulting improved evolution. This study not only provides novel electrocatalyst efficient HER all pH conditions also opens up new avenue designing highly systems.

Language: Английский

Citations

114
Innovative Electrochemical Strategies for Hydrogen Production: From Electricity Input to Electricity Output DOI Creative Commons
Dafeng Yan, Chalachew Mebrahtu, Shuangyin Wang

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 62(16)

Published: Nov. 28, 2022

Renewable H2 production by water electrolysis has attracted much attention due to its numerous advantages. However, the energy consumption of conventional is high and mainly driven kinetically inert anodic oxygen evolution reaction. An alternative approach coupling different half-cell reactions use redox mediators. In this review, we, therefore, summarize latest findings on innovative electrochemical strategies for production. First, we address mediators utilized in splitting, including soluble insoluble species, corresponding cell concepts. Second, discuss involving organic inorganic chemical transformations. Then, at both cathode anode, or even together with electricity generation, presented. Finally, remaining challenges prospects future development research field are highlighted.

Language: Английский

Citations

110
Recent Advances on Transition‐Metal‐Based Layered Double Hydroxides Nanosheets for Electrocatalytic Energy Conversion DOI Creative Commons
Yuchen Wang, Man Zhang,

Yaoyu Liu

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 10(13)

Published: March 3, 2023

Abstract Transition‐metal‐based layered double hydroxides (TM‐LDHs) nanosheets are promising electrocatalysts in the renewable electrochemical energy conversion system, which regarded as alternatives to noble metal‐based materials. In this review, recent advances on effective and facile strategies rationally design TM‐LDHs electrocatalysts, such increasing number of active sties, improving utilization sites (atomic‐scale catalysts), modulating electron configurations, controlling lattice facets, summarized compared. Then, these fabricated for oxygen evolution reaction, hydrogen urea oxidation nitrogen reduction small molecule oxidations, biomass derivatives upgrading is articulated through systematically discussing corresponding fundamental principles reaction mechanism. Finally, existing challenges density catalytically future prospects nanosheets‐based each application also commented.

Language: Английский

Citations

110