- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Advanced Photocatalysis Techniques
- Advancements in Battery Materials
- Hydraulic Fracturing and Reservoir Analysis
- Advanced Battery Materials and Technologies
- Rock Mechanics and Modeling
- Fuel Cells and Related Materials
- Electrochemical Analysis and Applications
- Aluminum Alloys Composites Properties
- Phase Equilibria and Thermodynamics
- Chemical Thermodynamics and Molecular Structure
- Metallurgy and Material Forming
- Carbon Dioxide Capture Technologies
- Electrochemical sensors and biosensors
- Aluminum Alloy Microstructure Properties
- Metal-Organic Frameworks: Synthesis and Applications
- MXene and MAX Phase Materials
- Enhanced Oil Recovery Techniques
- Conducting polymers and applications
- Manufacturing Process and Optimization
- Advanced Memory and Neural Computing
- Seismic Imaging and Inversion Techniques
- Groundwater flow and contamination studies
Seoul National University
2020-2024
PRG S&Tech (South Korea)
2024
Advanced Institute of Convergence Technology
2020-2024
Xi'an Jiaotong University
2024
Seoul National University of Science and Technology
2020
Hefei University of Technology
2017-2019
Hefei University
2019
Yangzhou University
2017-2018
Nanoparticle/MOF materials usually have new or enhanced applications compared with bare MOF NPs.
As promising candidates of power resources, electrochemical energy storage (EES) devices have drawn more and attention due to their ease use, environmental friendliness, high transformation efficiency. The performances EES devices, such as lithium-ion batteries, sodium-ion supercapacitors, depend largely on the inherent properties electrode materials. On account outstanding graphene, a lot studies been carried out two-dimensional (2D) Over past few years, new exfoliation method has utilized...
Abstract Engineering cost‐effective catalysts with exceptional performance for the electrochemical oxygen evolution reaction (OER) remains crucial accelerated development of renewable energy techniques, and especially so, given pivotal role OER in water electrolysis. On basis metal nodes (clusters) organic linkers, metal‐organic frameworks (MOFs) their derivatives are rapidly gaining ground fabrication electrocatalysts, promising catalytic activity sound durability OER, thanks to...
Abstract Electrochemical water splitting offers an advancing approach to producing highly pure hydrogen and oxygen, motivated by the prevalence of a low‐carbon economy goal sustainable future. The customized modulation electronic structures enables electrocatalyst directionally promote evolution reaction (HER) oxygen (OER), which is promising shortcut overall (OWS). Herein, 3D homologous WSeS/CoSeS heterojunction nanoarrays (WSeS/CoSeS NAs) W‐doped CoSeS (W‐CoSeS are investigated. Abundant...
Abstract A non‐precious metal‐based catalyst for water electrolysis provides great promise cost‐effective and highly efficient sustainable hydrogen production. It herein rationally synthesizes uniform superminiature CoNi nanoparticles (2.6 nm) embedded in 3D N‐doped randomly oriented erected porous carbon nanosheets (CoNi@N‐PCNS). Taking advantage of the large specific surface area, expedited intermediate transport, effectively exposed active sites hierarchical architecture, located yield a...
A review of P based materials used in LIB/NIB and their synthesis strategies, tailored properties different electrochemical performances.
High voltage aqueous electrochemical energy storage devices have gained significant attention recently due to their high safety, low cost, and environmental friendliness. Through the addition of a solid‐electrolyte interphase, usage concentrated electrolyte or adjustment pH electrolytes, it is hopeful endow these energy‐storage with broadened voltage. Among all them, lithium‐ion batteries longer lifespan promising future in systems. Herein, will be introduced by demonstrating improvement...
Liquid nitrogen (LN2) fracturing is a potential stimulation method in unconventional hydrocarbon recovery, showing its merits being water free, creating low formation damage and environmentally friendly. The microstructure evolution of rocks subjected to LN2 cooling fundamental concern for the engineering application fracturing. In this paper, pore-scale imaging characterization were performed on two rocks, i.e., tight sandstone coal specimens using computed tomography scanning. digital core...
To achieve a sustainable and clean future, water electrolysis is of great importance to produce hydrogen oxygen. Also, due the sluggish process reaction, it crucial fabricate high-performance oxygen evolution reaction (OER) catalysts increase overall efficiency electrolysis. In this study, we present remarkably thin Co–Fe phosphide/carbon (CFP) nanosheet for OER catalyst. The fabrication CFP accomplished by three easy steps, which start with synthesis Co- Fe-based brucite-type metal...
Heteroatom doping, pore engineering, and morphology design are efficient strategies to develop a high-performance electrode material for supercapacitors. In the periodic table of elements, nitrogen is adjacent carbon their atomic radii close each other; therefore, doping atoms can cause lattice be substantially distorted. this study, facile one-step self-template strategy synthesizing highly nitrogen-doped nanoporous wire (denoted as HNPCW) ∼100 nm diameter ∼10 μm length successfully...
Overall water splitting based on electrocatalysis is an easily constructed and cost-effective technology for achieving clean renewable hydrogen energy a large scale. Herein, we demonstrate the investigation of multiscale integrated mushroom-shaped cobalt phosphide@nickel-cobalt phosphide (denoted CPNCP) as catalyst evolution reaction (HER) oxygen (OER) in alkaline conditions. The with unique nano/microscale 3D "body" "head" structure can be grown directly nickel substrate, promoting high...
The synthetic method of Pt nanocluster-anchored hollow Ag-Au nanostructures and measurements their electrocatalytic properties for methanol oxidation reaction (MOR) are reported here. In this synthesis, uniform Ag nanospheres were prepared by reduction silver nitrate (AgNO3) with sodium borohydride (NaBH4) then synthesized via galvanic replacement the as-prepared Au3+. Finally, potassium tetrachloroplatinate (II) (K2PtCl4) ascorbic acid was performed to deposit nanoclusters on surface...
In this paper, the effect of adding Nano-SiC on structure and mechanical properties nodular cast iron during inoculation spheroidizing process is mainly studied. Three sets samples were set up: one group without Nano-SiC, other two groups are in step. The three castings sampled from core 1/4 respectively treated by isothermal quenching. influences heat treatment microstructure discussed through observation impact work, hardness metallographic Vivtorinox. experimental results show that with...
Abstract The effects of the rare earth elements Ce, La and Sm on microstructure mechanical properties a die-cast aluminum alloy were studied. First, optimal percentage content main in was determined by single factor orthogonal experiments based composition range ADC12 alloy. results showed that 11 wt.-% Si, 2.5 Cu, 0.5 Mn 0.3 Mg. tensile strength 285 MPa fracture strain 2.23 %. Then, three varied contents added to above-mentioned elongation increased through addition elements. comprehensive...
ABSTRACT: Hydraulic fracturing is an important stimulation technology to achieve high and stable production in deep ultra-deep reservoirs. However, there are currently numerous complex technical problems, such as breakdown pressure, single fracture uncontrollable. To addressing those issues, a novel stimulation, radial borehole has been proposed. have clear understanding of the performance, 3D Finite-Discrete Element Method model established this paper. Then, applicability HM coupled FDEM...