A5053441432- CO2 Reduction Techniques and Catalysts
- Ionic liquids properties and applications
- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- Ammonia Synthesis and Nitrogen Reduction
- Catalytic Processes in Materials Science
- Advanced battery technologies research
- Carbon dioxide utilization in catalysis
- Perovskite Materials and Applications
- Advanced Thermoelectric Materials and Devices
- Superconductivity in MgB2 and Alloys
- Physics of Superconductivity and Magnetism
- Iron-based superconductors research
- Phase Change Materials Research
- Solar-Powered Water Purification Methods
- Magnesium Alloys: Properties and Applications
- Nanoplatforms for cancer theranostics
- Field-Flow Fractionation Techniques
- Iron and Steelmaking Processes
- GaN-based semiconductor devices and materials
- Optical properties and cooling technologies in crystalline materials
- 2D Materials and Applications
- Advanced Semiconductor Detectors and Materials
- MXene and MAX Phase Materials
- Electrochemical Analysis and Applications
University of Science and Technology of China
2018-2024
Chinese Academy of Sciences
2002-2024
Hefei National Center for Physical Sciences at Nanoscale
2018-2024
Zhejiang Sci-Tech University
2024
Hefei Institutes of Physical Science
2023-2024
University of Chinese Academy of Sciences
2020-2023
Ningbo Institute of Industrial Technology
2021-2023
National Synchrotron Radiation Laboratory
2019-2021
Chongqing Institute of Green and Intelligent Technology
2020
Institute of Electrical Engineering
2017
The electrochemical reduction of N
Abstract As electron transfer to CO 2 is generally considered be the critical step during activation of , it important develop approaches engineer electronic properties catalysts improve their performance in electrochemical reduction. Herein, we developed an efficient strategy facilitate by introducing oxygen vacancies into electrocatalysts with electronic‐rich surface. ZnO nanosheets rich exhibited a current density −16.1 mA cm −2 Faradaic efficiency 83 % for production. Based on functional...
Abstract As a profitable product from CO 2 electroreduction, HCOOH holds economic viability only when the selectivity is higher than 90% with current density ( j ) over −200.0 mA cm −2 . Herein, Bi@Sn core–shell nanoparticles (Bi core and Sn shell, denoted as NPs) are developed to boost activity of electroreduction into HCOOH. In an H‐cell system 0.5 m KHCO 3 electrolyte, NPs exhibit Faradaic efficiency for (FE 91% partial −31.0 at −1.1 V versus reversible hydrogen electrode. The potential...
N2 electroreduction into NH3 represents an attractive prospect for utilization. Nevertheless, this process suffers from low Faraday efficiency (FE) and yield rate . In work, a highly efficient metal-free catalyst is developed by introducing F atoms 3D porous carbon framework (F-doped carbon) toward electroreduction. At -0.2 V versus reversible hydrogen electrode (RHE), the F-doped achieves highest FE of 54.8% , which 3.0 times as high that (18.3%) pristine frameworks. Notably, at -0.3 RHE,...
Cu-based tandem nanocrystals have been widely applied to produce multicarbon (C2+) products via enhancing CO intermediate (*CO) coverage toward CO2 electroreduction. Nevertheless, it remains ambiguous understand the intrinsic correlation between *CO and C-C coupling. Herein, we constructed a catalyst coupling CoPc with gas diffusion electrode of Cu (GDE Cu-CoPc). A faradaic efficiency for C2+ 82% was achieved over GDE Cu-CoPc at an current density 480 mA cm-2 electroreduction, which 1.8...
The electrooxidation of propylene into oxide under ambient conditions represents an attractive approach toward oxide. However, this process suffers from a low yield rate over reported electrocatalysts. In work, we develop efficient electrocatalyst Ag
Tuning the local confinement of reaction intermediates is pivotal significance to promote C-C coupling for enhancing selectivity multicarbon (C2+) products toward CO2 electroreduction. Herein, we have gained insights into effect CO concentration enhanced over core-shell Ag@Cu catalysts by tuning pore diameters within porous Cu shells. During electroreduction, with an average diameter 4.9 nm shells (Ag@Cu-p4.9) exhibited highest Faradaic efficiency 73.7% C2+ at 300 mA cm-2 among three...
The past decade has witnessed substantial progress in understanding nontrivial band topology and discovering exotic topological materials condensed-matter physics. Recently, physics been further extended to the chemistry discipline, leading emergence of catalysis. In principle, effect is detectable catalytic reactions, but no conclusive evidence reported yet. Herein, by precisely manipulating surface state (TSS) Bi2Se3 nanosheets through thickness control application a magnetic field, we...
Abstract As electron transfer to CO 2 is generally considered be the critical step during activation of , it important develop approaches engineer electronic properties catalysts improve their performance in electrochemical reduction. Herein, we developed an efficient strategy facilitate by introducing oxygen vacancies into electrocatalysts with electronic‐rich surface. ZnO nanosheets rich exhibited a current density −16.1 mA cm −2 Faradaic efficiency 83 % for production. Based on functional...
Electroreduction of N2 into NH3 represents a promising method for fixation. However, due to the inertness N≡N covalent triple bonds, this process remains huge challenge achieve high yield rate NH3. In work, we designed an effective approach promoting activation by introducing oxygen vacancies LaCoO3. electroreduction, LaCoO3 with (denoted as Vo-LaCoO3) exhibited Faradaic efficiency 7.6% at −0.6 V versus reversible hydrogen electrode (RHE). Notably, −0.7 RHE, Vo-LaCoO3 reached 182.2 μgNH3...
The interfacial structure of heterogeneous catalysts determines the reaction rate by adjusting adsorption behavior intermediates. Unfortunately, catalytic performance conventionally static active sites has always been limited adsorbate linear scaling relationship. Herein, we develop a triazole-modified Ag crystal (Ag crystal–triazole) with dynamic and reversible structures to break such relationship for boosting activity CO2 electroreduction into CO. On basis surface science measurements...
Electroreduction of nitrate (NO3–) to ammonia (NH3) is an environmentally friendly route for NH3 production, serving as appealing alternative the Haber–Bosch process. Recently, various noble metal-based electrocatalysts have been reported electroreduction NO3–. However, application pure metal still limited by unsatisfactory performance, owing weak adsorption nitrogen-containing intermediates on surface electrocatalysts. In this work, we report thiol ligand-modified Au nanoparticles effective...
Ru single atoms are distributed on nitrogen-doped carbon (Ru SAs/N–C), synthesized for efficient electrochemical reduction of N2 by Rui Si, Jie Zeng, and co-workers, as described in article number 1803498. SAs/N–C exhibits a record-high activity reduction. At −0.2 V vs reversible hydrogen electrode, achieves Faradaic efficiency 29.6% NH3 production with yield rate 120.9 μ g NH 3 mg cat . − 1 h , which is one order magnitude higher than the highest value previously reported.
The coordination number of Fe single-atom catalysts (Fe–N<sub>5</sub>/Fe–N<sub>6</sub>) significantly affects the electrocatalytic performance during CO<sub>2</sub>-to-CO conversion.
Mass transfer plays an important role in controlling the surface coverage of reactants and kinetics reactions, thus significantly adjusting catalytic performance. Herein, we reported that H2O diffusion was modulated by thicknesses carbon black (CB) layer between gas electrode (GDE) Cu electrolyte. As a consequence, product distribution over GDE effectively regulated during CO2 electroreduction. Interestingly, volcano-type relationship thickness CB faradaic efficiency (FE) for multicarbon...
A thermal conductive shape-stable phase change composite is prepared using carbon fiber and a changing matrix which stabilizes temperature assists the alignment of filler.
For the electrooxidation of propylene into 1,2-propylene glycol (PG), process involves two key steps generation *OH and transfer to C═C bond in propylene. The strong binding energy (EB(*OH)) favors dissociation H2O *OH, whereas will be impeded. scaling relationship EB(*OH) plays a role affecting catalytic performance toward electrooxidation. Herein, we adopt an immobilized Ag pyrazole molecular catalyst (denoted as AgPz) electrocatalyst. pyrrolic N–H AgPz could undergo deprotonation form N...
In this article, we observe the optically pumped lasing from high-quality nanocrystalline ZnO thin films obtained by thermal oxidation of ZnS films, which were grown on SiO2 substrates low-pressure-metalorganic chemical vapor deposition technique. The x-ray diffraction (XRD) patterns indicate that possess a preferred (111) orientation. has transformation to at an annealing temperature (Ta) 500 °C, and fully transforms into Ta⩾700 °C XRD patterns. polycrystalline hexagonal wurtzite structure....