A5100340079- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Advanced battery technologies research
- Electrochemical Analysis and Applications
- Copper-based nanomaterials and applications
- Random lasers and scattering media
- Ammonia Synthesis and Nitrogen Reduction
- Advanced Optical Sensing Technologies
- Covalent Organic Framework Applications
- Photoacoustic and Ultrasonic Imaging
- Sparse and Compressive Sensing Techniques
- Advanced Battery Materials and Technologies
- Nanomaterials for catalytic reactions
- Advancements in Battery Materials
- Perovskite Materials and Applications
- Fuel Cells and Related Materials
- Gas Sensing Nanomaterials and Sensors
- Photorefractive and Nonlinear Optics
- Electronic and Structural Properties of Oxides
- Thermal Expansion and Ionic Conductivity
- Nanoplatforms for cancer theranostics
- Embedded Systems and FPGA Design
- Neural Networks and Reservoir Computing
- Advancements in Solid Oxide Fuel Cells
- CO2 Reduction Techniques and Catalysts
State Key Laboratory of Crystal Materials
2020-2025
Shandong University
2020-2025
Shanghai Institute of Applied Physics
2021-2024
Chinese Academy of Sciences
2015-2024
Stevens Institute of Technology
2023-2024
Shandong Academy of Sciences
2024
Qilu University of Technology
2024
Chongqing University
2022
Jiangsu University
2018-2021
Guangxi Normal University
2019
Understanding the catalysis mechanism of sluggish oxygen evolution reaction (OER) involved in water splitting is vital importance for development clean hydrogen energy. Earth-abundant transition-metal (oxy)hydroxide with low cost and high performance one most promising OER catalysts. These catalysts often dynamically heterogeneously transform from inactive pre-catalysts into active phases under operation conditions, thus, operando/in situ method needed direct observation. Herein, using Raman...
Abstract Designing efficient catalyst for the oxygen evolution reaction (OER) is of importance energy conversion devices. The anionic redox allows formation O-O bonds and offers higher OER activity than conventional metal sites. Here, we successfully prepare LiNiO 2 with a dominant 3 d 8 L configuration ( hole at O p ) under high pressure, achieve double ligand holes since one electron removal occurs orbitals Ni III oxides. exhibits super-efficient among LiMO , R MO (M = transition metal,...
Abstract Garnet-type Li 6.5 La 3 Zr 1.5 Ta 0.5 O 12 (LLZO) is considered a promising solid electrolyte, but the surface degradation in air hinders its application for all-solid-state battery. Recent studies have mainly focused on final products of LLZO reactions due to lacking powerful situ characterization methods. Here, we use ambient pressure X-ray spectroscopies investigate dynamical evolution different gas environments. The newly developed mapping resonant Auger spectroscopy clearly...
Electronic structure modulation among multiple metal sites is key to the design of efficient catalysts. Most studies have focused on regulating 3d transition-metal active ions through other d-block metals, while few utilized f-block metals. Herein, we report a new class catalyst, namely, UCoO4 with alternative CoO6 and 5f-related UO6 octahedra, as unique example 5f-covalent compound that exhibits enhanced electrocatalytic oxygen evolution reaction (OER) activity because presence U 5f-O 2p-Co...
Hydrogen obtained from electrochemical water splitting is the most promising clean energy carrier, which hindered by sluggish kinetics of oxygen evolution reaction (OER). Thus, development an efficient OER electrocatalyst using nonprecious 3d transition elements desirable. Multielement synergistic effect and lattice oxidation are two well-known mechanisms to enhance activity catalysts. The latter generally related high valence state leading structural destabilization under condition. We have...
Zeolitic imidazolate framework-67 derived nanostructured CoP assemblies exhibited high-performance for electrochemical HER, as manifested by a low overpotential, large cathodic current density and an excellent durability.
Abstract Identifying real active sites and understanding the mechanism of oxygen evolution reaction (OER) are still a big challenge today for developing efficient electrochemical catalysts in renewable energy technologies. Here, using combined situ/operando experiments theory, catalytic ordered OER Co Ir ions Sr 2 CoIrO 6− δ is studied, which exhibits an unprecedented low overpotential 210 mV to achieve 10 mA cm –2 , ranking highest performance among perovskite‐based solid‐state catalysts....
Herein, Ni 3+ and oxygen vacancies were synergistically integrated on NiO@TiO 2 by magnetron sputtering, providing nearly 10-fold higher yield faradaic efficiency.
MXene-supported noble metal alloy catalysts exhibit remarkable electrocatalytic activity in various applications. However, there is no facile one-step method for synthesizing these catalysts, because the synthesis of MXenes requires a strongly oxidizing environment and preparation platinum nanoalloys reducing high temperatures. Hence, achieving coupling one step extremely challenging. In this paper, straightforward molten salt preparing nanoalloy proposed. The acts as reaction medium to...
Defects can accelerate and modulate the dynamic structural evolution during OER process, achieving an ∼8-fold mass activity enhancement.
Gallium nitride (GaN) single crystal with prominent electron mobility and heat resistance have great potential in the high temperature integrate electric power systems. However, sluggish charge storage kinetics inadequate energy densities are bottlenecks to its practical application. Herein, self‐supported GaN/Mn 3 O 4 integrated electrode is developed for both harvesting under environment. The experimental theoretical calculations results reveal that such structures Mn‐N heterointerface...
Developing highly efficient electrochemical catalysts and exploring the basic mechanisms for oxygen evolution reaction (OER) are key issues large-scale commercialization of environmentally friendly electrolytic hydrogen energy. Compared with a simple ABO3 perovskite, A-site-ordered quadruple structure AA'3B4O12 shows enhanced OER activity, but underlying remain unknown. Herein, we find that perovskite oxide CaCu3Ir4O12 has stable superior activity very low overpotential 252 mV to achieve...
A novel ring-like α-Fe2O3 with a cave at the centre was first synthesized via redox reaction of Fe2+ S2O82− in solution. The samples were characterized by transmission electron microscopy (TEM), scanning (SEM), x-ray diffraction (XRD) and vibrating sample magnetometry (VSM). possible mechanisms shape evolution for formation discussed. Magnetic hysteresis measurements revealed that display magnetic behaviour coercivity 1690 Oe room temperature. photocatalytic degradation salicylic acid...