Maohuai Wang

ORCID: 0000-0002-0010-9626
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About
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Research Areas
  • Membrane Separation and Gas Transport
  • Carbon Dioxide Capture Technologies
  • Metal-Organic Frameworks: Synthesis and Applications
  • Covalent Organic Framework Applications
  • Electrocatalysts for Energy Conversion
  • Graphene research and applications
  • MXene and MAX Phase Materials
  • Catalytic Processes in Materials Science
  • Ammonia Synthesis and Nitrogen Reduction
  • CO2 Reduction Techniques and Catalysts
  • Advanced Photocatalysis Techniques
  • Fuel Cells and Related Materials
  • Advanced battery technologies research
  • Gas Sensing Nanomaterials and Sensors
  • Advancements in Battery Materials
  • Analytical Chemistry and Sensors
  • Hydrogen Storage and Materials
  • Phase Equilibria and Thermodynamics
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Fluid Dynamics and Heat Transfer
  • Surface Modification and Superhydrophobicity
  • Muon and positron interactions and applications
  • Metalloenzymes and iron-sulfur proteins
  • Advanced Condensed Matter Physics
  • 2D Materials and Applications

China University of Petroleum, East China
2016-2025

City University of Hong Kong
2021-2024

Zhengzhou University of Light Industry
2016-2022

China University of Petroleum, Beijing
2020

National Natural Science Foundation of China
2019

Tsinghua University
2015-2016

High-performance thermogalvanic cells have the potential to convert thermal energy into electricity, but their effectiveness is limited by low concentration difference of redox ions. We report an in situ photocatalytically enhanced reaction that generates hydrogen and oxygen realize a continuous gradient ions devices. A linear relation between thermopower production rate was established as essential design principle for The system exhibited 8.2 millivolts per kelvin solar-to-hydrogen...

10.1126/science.adg0164 article EN Science 2023-07-20

An optimized approach to producing lattice-matched heterointerfaces for electrocatalytic hydrogen evolution has not yet been reported. Herein, we present the synthesis of Mo2 C-Mo2 N heterostructures using a gradient heating epitaxial growth method. The well heterointerface generates near-zero hydrogen-adsorption free energy and facilitates water dissociation in acid alkaline media. have low overpotentials 73 mV 80 at 10 mA cm-2 solutions, respectively, comparable commercial Pt/C. A novel...

10.1002/anie.202209703 article EN Angewandte Chemie International Edition 2022-09-08

First-row transition metal embedded pyrazine-based graphynes (TM-pyGYs), especially Mn/Fe/Co/Ni-pyGYs are promising single atom catalysts for the CO 2 reduction reaction.

10.1039/d2ta00654e article EN Journal of Materials Chemistry A 2022-01-01

Single-atom catalysts (SACs) have improved the performance of NO electroreduction to NH3 (NORR) a high level. However, influence low-nuclearity clusters, which exist in SACs as well, on catalytic is always overlooked. Herein, via density functional theory, we not only designed 9 single TMs, namely, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, and Cu, anchored three Ti3C2O2-based models (Ti3C2O2-V0, Ti3C2O2-O1, Ti3C2O2-Ti1) for NORR but also further evaluated impact clusters optimal SAC. Our results...

10.1021/acsmaterialslett.3c01604 article EN ACS Materials Letters 2024-03-28

Stimulus-responsive adsorbent materials exhibit tunable CO<sub>2</sub> capture and separation performance in response to pressure, temperature, light, electric field, magnetic guest molecules, pH, redox.

10.1039/d0ta01863e article EN Journal of Materials Chemistry A 2020-01-01

Transition metals (TMs) have been widely employed to realize various electrocatalytic applications of pristine materials. Herein, via density functional theory (DFT), the potential for hydrogen evolution reaction (HER) all single TMs embedded in Ti2N was screened. Our results show that can tune adsorption with a volcano-like tendency, and Mo-Ti2N stands out an optimal Gibbs free energy (ΔGH) −0.097 eV. This be further improved ΔGH close thermal neutrality by applying 1.2% tensile strain...

10.1021/acssuschemeng.1c07741 article EN ACS Sustainable Chemistry & Engineering 2022-03-18

Covalent organic frameworks (COFs) have become potential candidates for gas purification technology, especially in carbon capture and storage applications. By utilizing strategies such as pore structure design functional modification, COFs been developed to exhibit high selectivity superior adsorption capacity the effective separation of CO2 from industrial waste gases. Notably, alkali metals strong interactions with backbone COFs, which can enhance CO2/N2 performance these porous materials....

10.1021/acsapm.4c03540 article EN ACS Applied Polymer Materials 2025-01-16

10.1016/j.colsurfa.2015.05.052 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2015-06-25

Porous boron nitride (BN) membranes PBN-BH, PBN-BNH, and PBN-NH were designed as promising for purifying He from natural gas by using density functional theory. The three BN precisely regulated to form suitable pore sizes with high stability separation. PBN-BH membrane exhibited ultrahigh selectivities of over Ne, Ar, N2, CO2, CH4, which approximately 106–1066 times larger than those the two other structures. Among membranes, highest selectivity CH4 5 × 1079 at 300 K, far better previously...

10.1021/acsanm.9b00862 article EN ACS Applied Nano Materials 2019-06-25

Carbon phosphides exhibit high CO<sub>2</sub> adsorption capacity and selectivity, excellent humidity resistance, low energy consumption in external electric fields.

10.1039/d0ta03262j article EN Journal of Materials Chemistry A 2020-01-01
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