Jianfeng Shen

ORCID: 0000-0002-8835-6292
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Advanced battery technologies research
  • Electrocatalysts for Energy Conversion
  • Advancements in Battery Materials
  • Supercapacitor Materials and Fabrication
  • Advanced Photocatalysis Techniques
  • Graphene research and applications
  • Advanced Battery Materials and Technologies
  • Graphene and Nanomaterials Applications
  • Advanced Sensor and Energy Harvesting Materials
  • MXene and MAX Phase Materials
  • Nanomaterials for catalytic reactions
  • Advanced Battery Technologies Research
  • Conducting polymers and applications
  • Catalytic Processes in Materials Science
  • 2D Materials and Applications
  • Fuel Cells and Related Materials
  • Carbon Nanotubes in Composites
  • Hydrogels: synthesis, properties, applications
  • Ammonia Synthesis and Nitrogen Reduction
  • Electrochemical Analysis and Applications
  • Advanced Memory and Neural Computing
  • Carbon and Quantum Dots Applications
  • Perovskite Materials and Applications
  • Copper-based nanomaterials and applications
  • Solar-Powered Water Purification Methods

Fudan University
2016-2025

Fujian Medical University
2021

Rice University
2015-2018

Zhejiang University
2004-2016

Tsinghua University
2009-2013

Nanjing University of Science and Technology
2009-2013

Taizhou University
2012

Hangzhou Medical College
2011-2012

Naval Aeronautical and Astronautical University
2011

University Town of Shenzhen
2009

In this study, we report an inexpensive, massively scalable, fast, and facile method for preparation of graphene oxide reduced nanoplatelets. The basic strategy involved the graphite (GO) from through reaction with benzoyl peroxide (BPO), complete exfoliation GO into sheets, followed by their in situ reduction to mechanism producing is mainly generation oxygen-containing groups on sheets. addition, inserted BPO expansion CO2 evolved during will expand distance between layers, which are also...

10.1021/cm901247t article EN Chemistry of Materials 2009-07-15

Abstract Rechargeable lithium batteries (RLBs) have revolutionized energy storage technology. However, short lifetime and safety issues hampered their further commercialization, which is mainly attributable to the unstable solid‐electrolyte interphase (SEI) uncontrolled dendrite growth. In recent years, research on SEI has been pursued with determination worldwide. structure composition of long debated. Especially, role main component, LiF, remains elusive. this review, SEIs are focused upon...

10.1002/aenm.202100046 article EN Advanced Energy Materials 2021-03-10

Exfoliation of two-dimensional (2D) materials into mono- or few layers is significance for both fundamental studies and potential applications. In this report, the first time surface tension components were directly probed matched to predict solvents with effective liquid phase exfoliation (LPE) capability 2D such as graphene, h-BN, WS2, MoS2, MoSe2, Bi2Se3, TaS2, SnS2. efficiency enhanced when ratios applied solvent close that material in question. We enlarged library low-toxic common LPE....

10.1021/acs.nanolett.5b01842 article EN Nano Letters 2015-07-22

Abstract Ongoing interest is focused on aqueous zinc ion batteries (ZIBs) for mass‐production energy storage systems as a result of their affordability, safety, and high density. Ensuring the stability electrode/electrolyte interface particular importance prolonging cycling ability to meet practical requirements rechargeable batteries. Zinc anodes exhibit poor cycle life low coulombic efficiency, stemming from severe dendrite growth, irreversible byproducts such H 2 inactive ZnO. Great...

10.1002/aenm.202001599 article EN Advanced Energy Materials 2020-06-30

We demonstrated an environmentally friendly and efficient route for the preparation of titanium oxide (TiO2) nanoparticles-reduced graphene composite with a one-step hydrothermal method using glucose as reducing agent. The process was accompanied by generation TiO2 nanoparticles. structure composition nanocomposite has been characterized Fourier transform infrared spectroscopy, Raman X-ray diffraction, thermal gravimetric analysis atomic force microscopy. TiO2-coated RGO shown to improve...

10.1039/c0jm03542d article EN Journal of Materials Chemistry 2011-01-01

An in situ chemical synthesis approach has been employed to prepare an Ag-chemically converted graphene (CCG) nanocomposite. The reduction of oxide sheets was accompanied by generation Ag nanoparticles. structure and composition the nanocomposites were confirmed means transmission electron microscopy (TEM), atomic force (AFM) X-ray diffraction. TEM AFM results suggest a homogeneous distribution nanoparticles (5–10 nm size) on CCG sheets. intensities Raman signals such are greatly increased...

10.1007/s12274-010-1037-x article EN cc-by-nc Nano Research 2010-04-17

Between the sheets: Polystyrene–polyacrylamide copolymer is covalently grafted onto graphene sheets by in situ living free-radical polymerization to give "amphiphilic" nanoplatelets. The block disperses nanoplatelets a polar solvent (water; see picture, A versus C) and also stabilizes them nonpolar (xylene; B D). Detailed facts of importance specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available...

10.1002/smll.200800988 article EN Small 2008-11-28

In this study, graphene oxide−magnetic nanoparticle composites were prepared by attaching magnetic nanoparticles to oxide through a high temperature reaction of ferric triacetylacetonate with in 1-methyl-2-pyrrolidone. X-ray diffraction, transmission electron morphology, and thermogravimetric analysis used demonstrate the successful attachment iron sheets. It was found that attached mainly magnetite. Investigations using Fourier transform infrared spectroscopy proved tight due robust...

10.1021/jp909756r article EN The Journal of Physical Chemistry C 2010-01-04

Mn-based aqueous zinc-ion batteries (ZIBs) are promising candidate for large-scale rechargeable energy storage because of easy fabrication, low cost, and high safety. Nevertheless, the commercial application cathode is hindered by challenging issues rate capability poor cyclability. Herein, a manganese–vanadium hybrid, K–V2C@MnO2 cathode, featured with MnO2 nanosheets uniformly formed on V2CTX MXene surface, elaborately designed synthesized metal–cation intercalation following in situ growth...

10.1021/acsnano.0c09205 article EN ACS Nano 2021-01-25

In this report, graphene nanoplatelets were self-assembled through the layer-by-layer (LBL) method. The surface was modified with poly(acrylic acid) and poly(acryl amide) by covalent bonding, which introduced negative positive charge on of graphene, respectively. Through electrostatic interaction, positively negatively charged assembled together to form a multilayer structure. Thermogravimetric analysis, Raman spectroscopy, scanning electron microscopy (SEM), atomic force used demonstrate...

10.1021/la900126g article EN Langmuir 2009-03-10

Catalysts play an important role in the energy conversion reaction process.

10.1039/c8ta09454c article EN Journal of Materials Chemistry A 2018-01-01

CuCo<sub>2</sub>S<sub>4</sub> nanoparticles demonstrating outstanding electrochemical performances were firstly synthesized through a simple solvothermal approach without using any templates.

10.1039/c5cc09402j article EN Chemical Communications 2015-11-25

Abstract For the first time, a 3D Prussian blue analogue (PBA) with well‐defined spatial organization is fabricated by using nickel hydroxide array as precursor. The arrays are synthesized in titanium foil and reacted K 3 [Fe(CN) 6 ]. plate‐like morphology of perfectly preserved combined abundant PBA nanocubes. After phosphidation at 350 °C, obtained sample demonstrated excellent hydrogen evolution reaction (HER) activity both acid alkaline solutions to reach current density 10 mA cm −2 an...

10.1002/aenm.201800484 article EN Advanced Energy Materials 2018-05-04

Polymer-based conductive nanocomposites are promising for electromagnetic interference (EMI) shielding to ensure stable operations of electronic devices and protect humans from radiation. Although MXenes have shown high EMI performances, it remains a great challenge construct highly efficient polymer/MXene composite films with minimal MXene content durability harsh conditions. Here, hierarchically porous polyimide (PI)/Ti3C2Tx consecutively pathways been constructed via unidirectional PI...

10.1126/sciadv.abj1663 article EN cc-by-nc Science Advances 2021-09-22

Abstract Exploring highly active and inexpensive bifunctional electrocatalysts for water‐splitting is considered to be one of the prerequisites developing hydrogen energy technology. Here, an efficient simultaneous etching‐doping sedimentation equilibrium (EDSE) strategy proposed design prepare hollow Rh‐doped CoFe‐layered double hydroxides overall water splitting. The elaborate electrocatalyst with optimized composition typical structure accelerates electrochemical reactions, which can...

10.1002/adfm.202003556 article EN Advanced Functional Materials 2020-07-06

Non-noble transition metal oxides are abundant in nature. However, they widely regarded as catalytically inert for hydrogen evolution reaction (HER) due to their scarce active electronic states near the Fermi-level. How largely improve HER activity of these kinds materials remains a great challenge. Herein, proof-of-concept, we design non-solvent strategy achieve phosphate substitution and subsequent crystal phase stabilization metastable β-NiMoO4. Phosphate is proved be imperative...

10.1038/s41467-021-26256-1 article EN cc-by Nature Communications 2021-10-13

Abstract The deep cryogenic temperatures encountered in aerospace present significant challenges for the performance of elastic materials spacecraft and related apparatus. Reported carbon or ceramic aerogels overcome low-temperature brittleness conventional polymers. However, complicated fabrication process high costs greatly limited their applications. In this work, super-elasticity at a temperature covalently crosslinked polyimide (PI) is achieved based on scalable low-cost directional...

10.1038/s41467-021-24388-y article EN cc-by Nature Communications 2021-07-02

Abstract Designing electronic skin (e-skin) with proteins is a critical way to endow e-skin biocompatibility, but engineering protein structures achieve controllable mechanical properties and self-healing ability remains challenge. Here, we develop hybrid gluten network through the incorporation of eutectic gallium indium alloy (EGaIn) design self-healable improved properties. The intrinsic reversible disulfide bond/sulfhydryl group reconfiguration networks explored as driving force...

10.1038/s41467-022-28901-9 article EN cc-by Nature Communications 2022-03-08
Coming Soon ...