Geng Zhang

ORCID: 0000-0002-0958-8512
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About
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Research Areas
  • Electrocatalysts for Energy Conversion
  • Fuel Cells and Related Materials
  • Advanced battery technologies research
  • Electrochemical Analysis and Applications
  • Catalytic Processes in Materials Science
  • Conducting polymers and applications
  • Advanced Photocatalysis Techniques
  • Remote-Sensing Image Classification
  • Supercapacitor Materials and Fabrication
  • Advancements in Battery Materials
  • Mesoporous Materials and Catalysis
  • Metal-Organic Frameworks: Synthesis and Applications
  • Synthesis and Properties of Aromatic Compounds
  • Advanced Image Fusion Techniques
  • Advanced Battery Technologies Research
  • Advanced Battery Materials and Technologies
  • Remote Sensing and Land Use
  • Catalysis and Oxidation Reactions
  • Supramolecular Self-Assembly in Materials
  • Zeolite Catalysis and Synthesis
  • Copper-based nanomaterials and applications
  • Spectroscopy and Chemometric Analyses
  • Catalysis and Hydrodesulfurization Studies
  • Advanced Polymer Synthesis and Characterization
  • Metal complexes synthesis and properties

Chinese Academy of Sciences
2012-2025

Air Force Medical University
2019-2025

Xi'an Institute of Optics and Precision Mechanics
2020-2025

Northwestern Polytechnical University
2024

Ministry of Industry and Information Technology
2024

Huazhong Agricultural University
2015-2024

Northeast Petroleum University
2023-2024

South China University of Technology
2024

Guangdong Special Equipment Inspection and Research Institute
2023-2024

Shandong Special Equipment Inspection Institute
2023-2024

The development of bifunctional electrocatalysts with high performance for both hydrogen evolution reaction (HER) and oxygen (OER) earth-abundant elements is still a challenge in electrochemical water splitting technology. Herein, we fabricated free-standing electrocatalyst the form vertically oriented Fe-doped Ni3S2 nanosheet array grown on three-dimensional (3D) Ni foam (Fe-Ni3S2/NF), which presented activity durability HER OER alkaline media. On basis systematic experiments calculation,...

10.1021/acscatal.8b00413 article EN ACS Catalysis 2018-05-03

This study proposes an optimal model to design and simulate the proton exchange membrane fuel cell (PEMFC) systems. The purpose of this paper is present improved version seagull optimization algorithm for parameter identification PEMFC stacks. new uses Lévy flight mechanism give faster convergence rates. sum squared error between empirical values achieved analyzed based on two models including BCS 500-W NedStack PS6. analysis performed show potential presented method by considering different...

10.1016/j.egyr.2019.11.013 article EN cc-by Energy Reports 2019-11-01

Recently, the application of proton exchange membrane fuel cells (PEMFCs) is extensively increasing as a popular renewable energy source. PEMFCs need low temperature for operation along with high power density and easy implementation ability. These characteristics turned them into most interesting type cells. However, technique keeping in desired operating point. This an essential item, especially during current variation. In this study, new configuration proposed designing optimal PEMFC...

10.1016/j.egyr.2020.02.035 article EN cc-by-nc-nd Energy Reports 2020-03-04

It is a great challenge to fabricate electrode with simultaneous high activity for the hydrogen evolution reaction (HER) and oxygen (OER). Herein, high-performance bifunctional formed by vertically depositing porous nanoplate array on surface of nickel foam provided, where made up interconnection trinary Ni-Fe-Mo suboxides Ni nanoparticles. The amorphous suboxide its in situ transformed (oxy)hydroxide acts as main active species HER OER, respectively. conductive network built nanoparticles...

10.1002/advs.201902034 article EN cc-by Advanced Science 2020-02-05

The development of high-performance electrocatalyst with earth-abundant elements for water-splitting is a key factor to improve its cost efficiency. Herein, noble metal-free bifunctional was synthesized by facile pyrolysis method using sucrose, urea, Co(NO3)2 and sulfur powder as raw materials. During the fabrication process, Co, S co-doped graphitic carbon nitride (g-C3N4) first produced, then this in-situ-formed template further induced generation N, tri-doped graphene coupled Co...

10.1021/acsami.7b08138 article EN ACS Applied Materials & Interfaces 2017-08-10

The spinel Li4Ti5O12/rutile-TiO2@carbon (LTO-RTO@C) composites were fabricated via a hydrothermal method combined with calcination treatment employing glucose as carbon source. coating layer and the in situ formed rutile-TiO2 can effectively enhance electric conductivity provide quick Li+ diffusion pathways for Li4Ti5O12. When used an anode material lithium-ion batteries, rate capability cycling stability of LTO-RTO@C improved comparison those pure Li4Ti5O12 or Li4Ti5O12/rutile-TiO2....

10.1021/acsami.6b15982 article EN ACS Applied Materials & Interfaces 2017-01-25

Biomass-derived carbon materials prepared via pyrolysis from natural wood structures show potential for a storage application. Natural is composed of multiple sources, including lignin, hemicellulose, and cellulose, which influence the formation microstructure carbon. However, mechanism not fully understood. In this work, vast lignin selectively consumed biodegradation with fungi basswood. The results demonstrate that as-prepared material has short-range ordered graphitic structure after...

10.1021/jacs.0c12098 article EN Journal of the American Chemical Society 2021-03-01

Abstract Single metal atom isolated in nitrogen‐doped carbon materials (MNC) are effective electrocatalysts for oxygen reduction reaction (ORR), which produces H 2 O or via 2‐electron 4‐electron process. However, most of MNC catalysts can only present high selectivity one product, and the is usually regulated by complicated structure design. Herein, a black‐supported CoNC catalyst (CB@CoNC) synthesized. Tunable 2‐electron/4‐electron behavior realized on CB@Co‐N‐C utilizing its yield...

10.1002/adfm.202300895 article EN Advanced Functional Materials 2023-04-22

Abstract Here, an approach to produce a hierarchical porous Fe‐N‐C@TABOH catalyst with densely accessible high intrinsic active FeN x sites is proposed. The method involves single‐step pyrolysis of Zn/Fe‐zeolitic imidazolate framework (Zn/Fe‐ZIF‐H) tetrabutylammonium hydroxide (TABOH) micelles, which obtained by utilizing TABOH as structural template and electronic mediator at room temperature for brief duration 16 min. Notably, the yield Zn/Fe‐ZIF‐H 3.5 times that Zn/Fe‐ZIF‐N prepared...

10.1002/advs.202402610 article EN cc-by Advanced Science 2024-06-17

The electrochemical oxidation of 5-hydroxymethylfurfural (HMF) is an efficient method to produce 2,5-furandicarboxylic acid (FDCA). moderate alkaline condition (pH ≈ 13) a compromise between stability concern and catalytic efficiency. Herein, several critical issues are studied improve the HMF FDCA in 0.1 M KOH using NiO as catalyst. direct process observed before formation Ni3+ species, which follows reaction mechanism. By increasing electrode area/electrolyte volume ratio loading,...

10.1021/acssuschemeng.3c07483 article EN ACS Sustainable Chemistry & Engineering 2024-02-13

Polybenzoxazine is used as a novel carbon and nitrogen source for coating LiFePO4 to obtain LiFePO4@nitrogen-doped (LFP@NC) nanocomposites. The nitrogen-doped graphene-like that in situ coated on nanometer-sized particles can effectively enhance the electrical conductivity provide fast Li+ transport paths. When cathode material lithium-ion batteries, LFP@NC nanocomposite (88.4 wt % of LiFePO4) exhibits favorable rate performance stable cycling performance.

10.1021/acsami.6b10594 article EN ACS Applied Materials & Interfaces 2016-09-23

A universal strategy was developed for fabrication of a highly active and durable precious-metal-free mesoporous Mo2C/graphene (m-Mo2C/G) electrocatalyst with two-dimensional layered structural feature via nanocasting method using glucose as carbon source an in-stiu assembled KIT-6/graphene (KIT-6/G) template. The m-Mo2C/G catalyst exhibits high catalytic activity excellent durability hydrogen evolution reaction (HER) over wide pH range, which displays small onset potential 8 mV,...

10.1021/acsami.6b05007 article EN ACS Applied Materials & Interfaces 2016-06-23
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