Exploration, Journal Year: 2023, Volume and Issue: 3(5)
Published: July 26, 2023
Copper is the only metal that can convert CO
Language: Английский
Coordination Chemistry Reviews, Journal Year: 2022, Volume and Issue: 472, P. 214777 - 214777
Published: Aug. 19, 2022
Language: Английский
Citations
201
Advanced Materials, Journal Year: 2022, Volume and Issue: 35(6)
Published: Nov. 21, 2022
The regulation of atomic and electronic structures active sites plays an important role in the rational design oxygen evolution reaction (OER) catalysts toward electrocatalytic hydrogen generation. However, precise identification for surface reconstruction behavior during OER remains elusive water-alkali electrolysis. Herein, irreversible accompanied by copper dynamic cobalt iron layered double hydroxide (CoFe LDH) precatalyst to form CoFeCuOOH species with high-valent Co is reported, identifying origin reconstructed through operando UV-Visible (UV-vis), situ Raman, X-ray absorption fine-structure (XAFS) spectroscopies. Density functional theory analysis rationalizes this typical structure causing transfer intramolecular electrons ligand holes, promoting sites. Specifically, unambiguous explored 18 O isotope-labeling differential electrochemical mass spectrometry (DEMS) supported theoretical calculation, confirming mechanism switch oxygen-vacancy-site (OVSM) pathway on lattice oxygen. This work enables elucidate vital active-site generation representative contribution OVSM efficient performance.
Language: Английский
Citations
184
Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 16(11), P. 4714 - 4758
Published: Jan. 1, 2023
This review analyzes advanced catalysts and C 2+ synthesis mechanisms based on theoretical explorations in situ / operando characterizations. Triphasic interface optimization is discussed for the potential of industry-compatible stability.
Language: Английский
Citations
176
Nano Research, Journal Year: 2022, Volume and Issue: 16(2), P. 1913 - 1966
Published: Oct. 2, 2022
Language: Английский
Citations
118
Carbon Energy, Journal Year: 2022, Volume and Issue: 5(1)
Published: June 15, 2022
Abstract Recently, research on the electrocatalytic CO 2 reduction reaction (eCO RR) has attracted considerable attention due to its potential resolve environmental problems caused by while utilizing clean energy and producing high‐value‐added products. Considerable theoretical in lab demonstrated feasibility prospect. However, industrialization is mandatory realize economic social value of eCO RR. For industrial application RR, more criteria have been proposed for RR research, including high current density (above 200 mA cm −2 ), product selectivity 90%), long‐term stability. To fulfill these criteria, system needs be systematically designed optimized. In this review, recent applications summarized. The review starts with focus catalysts Next, products are These products, carbon monoxide, formic acid, ethylene, ethanol, all market demand, shown research. Notably, innovative components strategy industrializing also highlighted here, flow cells, seawater electrolytes, solid a two‐step method. Finally, some instructions possible future avenues presented prospects
Language: Английский
Citations
116
ACS Nano, Journal Year: 2022, Volume and Issue: 16(11), P. 17572 - 17592
Published: Nov. 4, 2022
Single atom catalysts (SACs) have been attracting extensive attention in electrocatalysis because of their unusual structure and extreme utilization, but the low metal loading unified single site induced scaling relations may limit activity practical application. Tailoring active sites at atomic level is a sensible approach to break existing limits SACs. In this review, SACs were first discussed regarding carbon or non-carbon supports. Then, five tailoring strategies elaborated toward improving electrocatalytic SACs, namely strain engineering, spin-state tuning axial functionalization ligand porosity so as optimize electronic state sites, tune d orbitals transition metals, adjust adsorption strength intermediates, enhance electron transfer, elevate mass transport efficiency. Afterward, from angle inducing redistribution optimizing nature centers, synergistic effect adjacent atoms recent advances on with binuclear configuration which include simple, homonuclear, heteronuclear dual (DACs) summarized. Finally, summary some perspectives for achieving efficient sustainable presented based strategies, design situ characterization.
Language: Английский
Citations
107
Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)
Published: July 24, 2023
Dual-atom catalysts, particularly those with heteronuclear active sites, have the potential to outperform well-established single-atom catalysts for oxygen evolution reaction, but underlying mechanistic understanding is still lacking. Herein, a large-scale density functional theory employed explore feasibility of *O-*O coupling mechanism, which can circumvent scaling relationship improving catalytic performance N-doped graphene supported Fe-, Co-, Ni-, and Cu-containing dual-atom namely, M'M@NC. Based on constructed activity maps, rationally designed descriptor be obtained predict homonuclear catalysts. Seven four possess high activities that minimum theoretical overpotential. The chemical structural origin in favor mechanism thus leading enhanced reaction been revealed. This work not only provides additional insights into fundamental mechanisms, also offers guideline accelerated discovery efficient
Language: Английский
Citations
99
Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(42)
Published: Aug. 28, 2023
Electrocatalytic CO2 reduction reaction (CO2 RR) to multi-carbon products (C2+ ) in acidic electrolyte is one of the most advanced routes for tackling our current climate and energy crisis. However, competing hydrogen evolution (HER) poor selectivity towards valuable C2+ are major obstacles upscaling these technologies. High local potassium ions (K+ concentration at cathode's surface can inhibit proton-diffusion accelerate desirable carbon-carbon (C-C) coupling process. solubility limit salts bulk solution constrains maximum achievable K+ sites thus overall RR performance electrocatalysts. In this work, we demonstrate that Cu nanoneedles induce ultrahigh concentrations (4.22 M) - breaking (3.5 which enables a highly efficient 3 M KCl pH=1. As result, Faradaic efficiency 90.69±2.15 % (FEC2+ be achieved 1400 mA.cm-2 , simultaneous with single pass carbon (SPCE) 25.49±0.82 flow rate 7 sccm.
Language: Английский
Citations
98
Small Structures, Journal Year: 2023, Volume and Issue: 4(7)
Published: Jan. 27, 2023
Single‐atom catalysts (SACs) consist of isolated metal sites on the support through stable coordination bond, which usually have high catalytic activity and selectivity. With large surface area electron tunability, metallic carbides, nitrides, or carbonic nitrides (MXenes) are suitable carriers for supporting single‐metal atoms. The abundant surface‐functional groups vacancy defects MXenes ideal anchoring Herein, advanced synthesis characterization methods MXene‐based SACs first introduced. Three strategies (adsorption at functional groups, vacancies, terminating group vacancies) appear to be feasible in ensuring non‐aggregation atoms, attributed strong bonding between atoms carrier. applications electrocatalysis (including hydrogen evolution reaction, oxygen reduction carbon dioxide nitrogen reaction), energy storage Li‐ion batteries, metal–air supercapacitors), sensors gas biological sensors) fundamentally reviewed. Finally, own insight current challenges prospects is presented.
Language: Английский
Citations
93
Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 492, P. 215288 - 215288
Published: June 12, 2023
Language: Английский
Citations
93