A5026864143- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Fuel Cells and Related Materials
- Electrochemical Analysis and Applications
- Catalytic Processes in Materials Science
- CO2 Reduction Techniques and Catalysts
- Supercapacitor Materials and Fabrication
- Ammonia Synthesis and Nitrogen Reduction
- 2D Materials and Applications
- MXene and MAX Phase Materials
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Copper-based nanomaterials and applications
- Hydrogen Storage and Materials
- Machine Learning in Materials Science
- Conducting polymers and applications
- Catalysis and Hydrodesulfurization Studies
- Boron and Carbon Nanomaterials Research
- Layered Double Hydroxides Synthesis and Applications
- Transition Metal Oxide Nanomaterials
- Graphene research and applications
- Covalent Organic Framework Applications
- Advanced Nanomaterials in Catalysis
- Metal-Organic Frameworks: Synthesis and Applications
Hubei University
2022-2024
Ministry of Education of the People's Republic of China
2024
Shenzhen University
2021-2022
RWTH Aachen University
2022
Wuhan National Laboratory for Optoelectronics
2020-2021
Huazhong University of Science and Technology
2020-2021
Hunan University
2014-2020
State Key Laboratory of Chemobiosensing and Chemometrics
2014-2020
Changsha University
2016
The exact role of a defect structure on transition metal compounds for electrocatalytic oxygen evolution reaction (OER), which is very dynamic process, remains unclear. Studying the structure-activity relationship defective electrocatalysts under operando conditions crucial understanding their intrinsic mechanism and behavior sites. Co3O4 with rich vacancy (VO) has been reported to efficiently catalyze OER. Herein, we constructed pure spinel VO-rich as catalyst models study investigate sites...
Metal-free electrocatalysts have been extensively developed to replace noble metal Pt and RuO2 catalysts for the oxygen reduction reaction (ORR) evolution (OER) in fuel cells or metal-air batteries. These are usually deposited on a 3D conductive support (e.g., carbon paper cloth (CC)) facilitate mass electron transport. For practical applications, it is desirable create situ fiber simplify fabrication process catalytic electrodes. In this study, first example of exfoliated, edge-rich,...
Heterogeneous catalysis plays an important role in modern industry. Exploring catalysts with high efficiency, low-cost, and stability is issue for the research of heterogeneous catalysis. In recent years, researchers have prepared a variety defective found that defects effect on their catalytic activity. However, relationship between activity remains to be clarified. this Review, three aspects including recognition, understanding, utilization defect chemistry been proposed. Based progress,...
The activity of electrocatalysts strongly depends on the number active sites, which can be increased by downsizing electrocatalysts. Single‐atom catalysts have attracted special attention due to atomic‐scale sites. However, it is a huge challenge obtain CoO x catalysts. Co‐based metal–organic frameworks (MOFs) own atomically dispersed Co ions, motivates design possible pathway partially on‐site transform these ions species, while reserving highly porous features MOFs. In this work, for first...
Abstract The production of ammonia from N 2 molecules under ambient conditions [electro (photo) chemical reduction] is one the most attractive topics in energy‐related field due to its unique advantages and great potentials. Recently, various catalysts have been explored show certain activities nitrogen reduction reactions (NRRs) at room temperature atmospheric pressure. To further improve catalytic activity increase selectivity, should be rationally designed introduce extra active sites for...
Abstract Electrochemical synthesis has garnered attention as a promising alternative to the traditional Haber–Bosch process enable generation of ammonia (NH 3 ) under ambient conditions. Current electrocatalysts for nitrogen reduction reaction (NRR) produce NH are comprised noble metals or transitional metals. Here, an efficient metal‐free catalyst (BCN) is demonstrated without precious component and can be easily fabricated by pyrolysis organic precursor. Both theoretical calculations...
Abstract Oxygen reduction reaction (ORR) is a crucial process for several significant energy conversion and storage devices, such as metal‐air batteries fuel cells. However, the sluggish kinetics caused by huge activation barriers limit performance. Platinum (Pt) Pt‐based catalysts are still most efficient ORR. Unfortunately, scarcity, high cost, poor stability, crossover effect CO poisoning of Pt materials restrict their further development. Carbon‐based nanomaterials, especially...
Abstract The rational design and development of highly efficient oxygen evolution reaction (OER) electrocatalysts is vital for the application renewable energy devices. Recently, strategy defect engineering draws much attention due to its positive effect on regulating electronic structure, thus, promoting electrocatalytic performance various materials. In this review, main focus cation vacancy defects transition metal‐based electrocatalysts; latest progress in OER summarized. different...
The sluggish exciton dissociation and charge transfer separation due to weak driving force still restrict the further improvement of photocatalytic performance in crystalline carbon nitride (CCN). Here, a series heptazine-based K+-implanted CCNs (KCCNs) were successfully prepared, while K+ ion concentration was gradiently inserted by controlling its diffusion from surface bulk (CN). built-in electric field (BIEF) induced gradient cyano groups has powerful promote excitons into electrons...
Monolayer MoS<sub>2</sub>nanosheets with activated basal planes have been prepared using a simple hydrothermal method.
Electropolymerized supermolecule derived N, P co-doped carbon as a highly efficient metal-free HER catalyst.
Significant efforts have been devoted to design and develop supported catalysts for electrochemical energy conversion storage systems since they enhanced electrocatalytic activity.
There is a great challenge to employ an electrocatalyst that has high efficiency, earth-abundant, and non-noble metal for oxygen evolution reaction (OER). Herein, we reported low-cost highly efficient OER catalyst, Fe-doped NiCoP nanosheet arrays in situ grown on nickel foam (NiCoFeP/NF), which was synthesized via simple mild hydrothermal phosphorization method. In 1 M KOH solution, the as-prepared NiCoFeP/NF produces larger current density of 200 mA·cm–2 at low overpotential 271 mV exhibits...
Abstract Integrating high‐efficiency oxygen electrocatalyst directly into air electrodes is vital for zinc–air batteries to achieve higher electrochemical performance. Herein, a self‐standing membrane composed of hierarchical cobalt/nanocarbon nanofibers fabricated by the electrospinning technique. This hybrid can be employed as bifunctional electrode in and high peak power density 304 mW cm −2 with long service life 1500 h at 5 mA . Its assembled solid‐state battery also delivers promising...
The development of efficient, stable and cost-effective electrocatalysts for the oxygen evolution reaction (OER) is key water splitting. Carbon-based nanomaterials have found significant applications as metal-free OER electrocatalysts. In this study, first time, edge-selectively phosphorus-doped graphene (G-P) was synthesised G-P catalyst reached a current density 10 mA cm-2 at small overpotential 330 mV with Tafel slope low 62 dec-1, which superior to most carbon-based reported date.