Hongguan Li

ORCID: 0000-0001-9604-8663
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About
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Research Areas
  • Electrocatalysts for Energy Conversion
  • Advancements in Battery Materials
  • Advanced Photocatalysis Techniques
  • Fuel Cells and Related Materials
  • Advanced battery technologies research
  • Catalytic Processes in Materials Science
  • Advanced Battery Materials and Technologies
  • MXene and MAX Phase Materials
  • Electrochemical Analysis and Applications
  • Covalent Organic Framework Applications
  • Ammonia Synthesis and Nitrogen Reduction
  • Advanced Battery Technologies Research
  • Semiconductor materials and devices
  • Copper-based nanomaterials and applications
  • Electronic and Structural Properties of Oxides
  • Supercapacitor Materials and Fabrication
  • Perovskite Materials and Applications
  • 2D Materials and Applications

Northeastern University
2021-2024

Foshan University
2024

Yanshan University
2019-2024

Zero to Three
2020

Shanghai University
2020

By elaborately constructing a Fe–Zn based diatomic catalyst, the active center is changed from FeN 4– ZnN 4 to Zn–N 2 after protonation, leading well-maintained structure and thus high stability of ORR.

10.1039/d1ee03194e article EN Energy & Environmental Science 2022-01-01

Abstract A zinc‐based single‐atom catalyst has been recently explored with distinguished stability, of which the fully occupied Zn 2+ 3d 10 electronic configuration is Fenton‐reaction‐inactive, but catalytic activity thus inferior. Herein, we report an approach to manipulate s‐band by constructing a B,N co‐coordinated Zn‐B/N‐C catalyst. We confirm both experimentally and theoretically that unique N 2 ‐Zn‐B crucial, in + (3d 4s 1 ) can hold enough delocalized electrons generate suitable...

10.1002/anie.202009991 article EN Angewandte Chemie International Edition 2020-09-22

Abstract Efficient utilization of near‐infrared (NIR) light that takes a primary percentage the solar spectrum is great significance for practical applications photocatalysis. However, development singular NIR‐based photocatalysts still remains grand challenge. Herein, crystalline carbon nitride photocatalyst proposed by using molten‐salt assisted protocol with carbohydrazide as oxygen‐containing precursor. Different from doping strategy always leads to structural damage and crystallinity...

10.1002/adfm.202207375 article EN Advanced Functional Materials 2022-09-16

Single-atom catalysis (SAC) attracts wide interest for zinc–air batteries that require high-performance bifunctional electrocatalysts oxygen reactions. However, catalyst design is still highly challenging because of the insufficient driving force promoting multiple-electron transfer kinetics. Herein, we report a superstructure-assisted SAC on tungsten carbides evolution and reduction In addition to usual single atomic sites, strikingly, reveal presence ordered Co superstructures in...

10.1021/jacs.3c14354 article EN Journal of the American Chemical Society 2024-03-22

Carbon nitrides with layered structures and scalable syntheses have emerged as potential anode choices for the commercialization of sodium-ion batteries. However, low crystallinity materials synthesized through traditional thermal condensation leads to insufficient conductivity poor cycling stability, which significantly hamper their practical applications. Herein, a facile salt-covering method was proposed synthesis highly ordered crystalline C

10.1021/acsnano.3c10779 article EN ACS Nano 2024-01-16

Developing advanced electrode materials is crucial for improving the electrochemical performances of proton batteries. Currently, anodes are primarily crystalline which suffer from inferior cyclic stability and high potential. Herein, we propose amorphous batteries by using a general ion-exchange protocol to introduce multivalent metal cations activating host material. Taking Al3+ as an example, theoretical experimental analysis demonstrates electrostatic interaction between lattice oxygen,...

10.1007/s40820-022-00987-2 article EN cc-by Nano-Micro Letters 2022-12-30

Abstract Carbon nitrides with two‐dimensional layered structures and high theoretical capacities are attractive as anode materials for sodium‐ion batteries while their low crystallinity insufficient structural stability strongly restrict practical applications. Coupling carbon conductive may relieve these issues. However, little is known about the influence of nitrogen (N) configurations on interactions between C 3 N 4 , which fundamentally critical guiding precise design advanced ‐related...

10.1002/cey2.388 article EN cc-by Carbon Energy 2023-08-17

Graphitic carbon nitride (g‐C 3 N 4 ) is viewed as a promising visible‐light photocatalyst for industrialization due to its low processing temperature and high chemical stability. However, serious charge recombination caused by incomplete polymerization during direct calcination of nitrogen‐rich precursors significantly limits photocatalytic performances. To boost separation, herein, we propose rational strategy constructing crystalline g‐C /g‐C 4−x S x isotype heterostructure through the...

10.1002/eem2.12306 article EN Energy & environment materials 2021-11-03

Lithium metal anodes with ultrahigh theoretical capacities are very attractive for assembling high-performance batteries. However, uncontrolled Li dendrite growth strongly retards their practical applications. Different from conventional separator modification strategies that always focused on functional group tuning or mechanical barrier construction, herein, we propose a crystallinity engineering–related tactic by using the highly crystalline carbon nitride as interlayer to suppress...

10.1073/pnas.2302375120 article EN cc-by-nc-nd Proceedings of the National Academy of Sciences 2023-08-07

Abstract A zinc‐based single‐atom catalyst has been recently explored with distinguished stability, of which the fully occupied Zn 2+ 3d 10 electronic configuration is Fenton‐reaction‐inactive, but catalytic activity thus inferior. Herein, we report an approach to manipulate s‐band by constructing a B,N co‐coordinated Zn‐B/N‐C catalyst. We confirm both experimentally and theoretically that unique N 2 ‐Zn‐B crucial, in + (3d 4s 1 ) can hold enough delocalized electrons generate suitable...

10.1002/ange.202009991 article EN Angewandte Chemie 2020-09-27

Abstract Sufficient utilization of visible‐light generated charge carriers in proton reduction reactions is great significance for the development effective solar‐fuel technologies. Achieving simultaneous bulk rapid transfer and surface efficient extraction still very challenging. Herein, it found first time ammonium persulfate (APS) can significantly influence polymerization processes C 3 N 4 (CN) from melamine to poly (heptazine imide) (PHI) under oxygen doping etching effect SO 2− . PHI...

10.1002/cnl2.154 article EN cc-by Carbon Neutralization 2024-08-22

Herein, variable valence states Mn was adopted to regulate Ru-NC, which serves as a model reduce the localization of Ru 4d structure and stimulate facile charge transfer, achieving accelerated surface reconstruction generate Ru‒O active ingredient with high acidic water oxidation. Doping not only accelerate reconstruction, but also improves durability by eliminating peroxidation due Mn-buffered compensation. The enhancement OER activity results from O induced spin change intermediate low...

10.2139/ssrn.4839786 preprint EN 2024-01-01

Herein, variable valence states Mn was adopted to regulate Ru-NC, which serves as a model reduce the localization of Ru 4d structure and stimulate facile charge transfer, achieving accelerated surface reconstruction generate Ru‒O active ingredient with high acidic water oxidation. Doping not only accelerate reconstruction, but also improves durability by eliminating peroxidation due Mn-buffered compensation. The enhancement OER activity results from O induced spin change intermediate low...

10.2139/ssrn.4725247 preprint EN 2024-01-01
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