A5100610274- Electrocatalysts for Energy Conversion
- Fuel Cells and Related Materials
- Advanced battery technologies research
- Advancements in Battery Materials
- Catalytic Processes in Materials Science
- Advanced Battery Materials and Technologies
- Conducting polymers and applications
- Electrochemical Analysis and Applications
- Ammonia Synthesis and Nitrogen Reduction
- Advanced Photocatalysis Techniques
- CO2 Reduction Techniques and Catalysts
- Supercapacitor Materials and Fabrication
- Advanced Battery Technologies Research
- Ionic liquids properties and applications
- Nanomaterials for catalytic reactions
- Catalysis and Hydrodesulfurization Studies
- Advancements in Solid Oxide Fuel Cells
- Graphene research and applications
- Electrodeposition and Electroless Coatings
- MXene and MAX Phase Materials
- Metal-Organic Frameworks: Synthesis and Applications
- Hydrogen Storage and Materials
- Semiconductor materials and devices
- Caching and Content Delivery
- Nanoporous metals and alloys
South China University of Technology
2020-2025
Guangxi University of Chinese Medicine
2024-2025
China General Nuclear Power Corporation (China)
2025
Guangxi University
2025
University at Buffalo, State University of New York
2015-2024
China University of Mining and Technology
2021-2024
Washington University in St. Louis
2024
China Electric Power Research Institute
2024
Lanzhou University of Technology
2021-2023
The University of Texas Health Science Center at Houston
2022-2023
It remains a grand challenge to replace platinum group metal (PGM) catalysts with earth-abundant materials for the oxygen reduction reaction (ORR) in acidic media, which is crucial large-scale deployment of proton exchange membrane fuel cells (PEMFCs). Here, we report high-performance atomic Fe catalyst derived from chemically Fe-doped zeolitic imidazolate frameworks (ZIFs) by directly bonding ions ligands within 3D frameworks. Although ZIF was identified as promising precursor, new...
Due to the Fenton reaction, presence of Fe and peroxide in electrodes generates free radicals causing serious degradation organic ionomer membrane. Pt-free Fe-free cathode catalysts therefore are urgently needed for durable inexpensive proton exchange membrane fuel cells (PEMFCs). Herein, a high-performance nitrogen-coordinated single Co atom catalyst is derived from Co-doped metal-organic frameworks (MOFs) through one-step thermal activation. Aberration-corrected electron microscopy...
Platinum-based catalysts represent a state of the art in electrocatalysis oxygen reduction reaction (ORR) from point view their activity and durability harnessing chemical energy via direct electrochemical conversion. However, because platinum is both expensive scarce, its widespread implementation such clean applications limited. Recent breakthroughs synthesis high-performance nonprecious metal (NPMCs) make replacement Pt ORR electrocatalysts with earth-abundant elements, as Fe, Co, N, C,...
Platinum group metal (PGM)-free catalysts for oxygen reduction reaction are essential affordable fuel cells.
The commercialization of electrochemical energy conversion and storage devices relies largely upon the development highly active catalysts based on abundant inexpensive materials. Despite recent achievements in this respect, further progress is hindered by poor understanding nature sites reaction mechanisms. Herein, characterizing representative iron-based under reactive conditions, we identify three Fe–N4-like catalytic centers with distinctly different Fe–N switching behaviors (Fe moving...
Platinum group metal-free (PGM-free) catalysts for the oxygen reduction reaction (ORR) with atomically dispersed FeN<sub>4</sub> sites have emerged as a potential replacement low-PGM in acidic polymer electrolyte fuel cells (PEFCs).
Oxygen reduction reaction (ORR) and oxygen evolution (OER) along with hydrogen (HER) have been considered critical processes for electrochemical energy conversion storage through metal‐air battery, fuel cell, water electrolyzer technologies. Here, a new class of multifunctional electrocatalysts consisting dominant metallic Ni or Co small fraction their oxides anchored onto nitrogen‐doped reduced graphene oxide (rGO) including Co‐CoO/N‐rGO Ni‐NiO/N‐rGO are prepared via pyrolysis cobalt nickel...
In this work, we present a synthesis approach for nitrogen-doped graphene-sheet-like nanostructures via the graphitization of heteroatom polymer, in particular, polyaniline, under catalysis cobalt species using multiwalled carbon nanotubes (MWNTs) as supporting template. The graphene-rich composite catalysts (Co-N-MWNTs) exhibit substantially improved activity oxygen reduction nonaqueous lithium-ion electrolyte compared to those currently used blacks and Pt/carbon catalysts, evidenced by...
Due to the growing demand for energy and impending environmental issues, fuel cells have attracted significant attention as an alternative conventional technologies.
Abstract FeN 4 moieties embedded in partially graphitized carbon are the most efficient platinum group metal free active sites for oxygen reduction reaction acidic proton‐exchange membrane fuel cells. However, their formation mechanisms have remained elusive decades because Fe−N bond process always convolutes with uncontrolled carbonization and nitrogen doping during high‐temperature treatment. Here, we elucidate site through hosting Fe ions into a nitrogen‐doped followed by controlled...
Herein, we report the exploration of understanding reactivity and structure atomically dispersed M–N4 (M = Fe Co) sites for CO2 reduction reaction (CO2RR). Nitrogen coordinated or Co site into carbons (M–N–C) containing bulk- edge-hosted coordination were prepared by using Fe- Co-doped metal–organic framework precursors, respectively, which further studied as ideal model catalysts. is intrinsically more active than in to CO, terms a larger current density higher CO Faradaic efficiency (FE)...
Electrochemical conversion of CO2 into valued products is one the most important issues but remains a great challenge in chemistry. Herein, we report novel synthetic approach involving prolonged thermal pyrolysis hemin and melamine molecules on graphene for fabrication robust efficient single-iron-atom electrocatalyst electrochemical reduction. The single-atom catalyst exhibits high Faradaic efficiency (ca. 97.0 %) CO production at low overpotential 0.35 V, outperforming all Fe-N-C-based...