Kun Han

ORCID: 0000-0001-9993-5524
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About
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Research Areas
  • Conducting polymers and applications
  • Supercapacitor Materials and Fabrication
  • Advanced Sensor and Energy Harvesting Materials
  • Ferroelectric and Piezoelectric Materials
  • Concrete and Cement Materials Research
  • Diamond and Carbon-based Materials Research
  • Dielectric materials and actuators
  • Innovative concrete reinforcement materials
  • Advanced Surface Polishing Techniques
  • Advanced materials and composites
  • Multiferroics and related materials
  • Polymer Science and PVC
  • Structural Analysis of Composite Materials
  • Phase Equilibria and Thermodynamics
  • Magnesium Oxide Properties and Applications
  • Membrane Separation and Gas Transport
  • Grouting, Rheology, and Soil Mechanics
  • Carbon Dioxide Capture Technologies
  • Acoustic Wave Resonator Technologies
  • Metal and Thin Film Mechanics
  • Surface Roughness and Optical Measurements
  • Glass properties and applications

Anhui University
2024-2025

Wuhan Textile University
2023-2024

Wuhan University
2024

Deakin University
2023

Wenzhou University
2023

Defence Electronics Research Laboratory
2023

Beijing University of Technology
2020-2022

Centre National de la Recherche Scientifique
2012

Université de Rennes
2012

Abstract Relaxor ferroelectric (RFE) films represent promising candidates for high‐performance energy storage applications miniaturized electronic devices and power systems. However, achieving substantial performance always involves complex component or structural design. Herein, we employed a nanocomposite approach to obtain ultrahigh‐efficiency robust density in simple BaTiO 3 ‐based lead‐free films. Our composition of (1‐ x )BaTiO ‐ CeO 2 (0.0 ≤ 0.5) contains only four elements (Ba, Ti,...

10.1002/smtd.202401747 article EN Small Methods 2025-02-04

Abstract BACKGROUND Fossil fuel power plants are the primary contributors to carbon dioxide (CO 2 ) emissions, necessitating effective and stable methods for adsorbing CO from flue gas under diverse conditions. Achieving this remains challenging due complexity of compositions prolonged operation adsorption processes. RESULTS This study focuses on enhancing in using attapulgite (ATP), activated by acid modified with tetraethylenepentamine (TEPA) via an impregnation method. Characterization...

10.1002/jctb.7586 article EN Journal of Chemical Technology & Biotechnology 2024-02-13

Atomic force microscopy (AFM) was used to characterize the surface damage (nanoindentations) effect on chemical durability of glass surfaces (silica and soda-lime silicate glasses, WG). In basic solutions, an enhanced dissolution rate is reported quantified at indentation sites (+10.5 nm/h +52 for silica WG, respectively) whereas none observed once indented were thermally annealed 0.9 × T(g) 2 h, a thermal treatment known curing high pressure-induced permanent densification in oxides...

10.1021/la300972j article EN Langmuir 2012-06-20

Despite the inherent strain relaxation in perovskite-type oxide ferroelectric films that occurs beyond a certain thickness, interfacial states, including carrier and strain, can still influence their electrical properties. This study explores impact of different (La0.67,Sr0.33)MnO3 (LSMO)-coated substrates on performance (K,Na)NbO3 (KNN)-based films. Specifically, 200 nm-thick epitaxial KNN-based were grown four distinct substrates: (001)-oriented KTaO3, SrTiO3, LaAlO3, YAlO3. Notably,...

10.1021/acs.jpcc.4c03280 article EN The Journal of Physical Chemistry C 2024-10-11

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10.2139/ssrn.4791989 preprint EN 2024-01-01

<title>Abstract</title> Graphene/cotton fibres, an all-organic and all-textile combination, show significant promise in the realm of wearable energy storage by reason their light weight, low cost, porous structure, exceptional integration ability into systems. However, use eco-unfriendly reductants limited specific capacity caused a standalone electric double-layer capacitor (EDLC) hindered application. Herein, environmentally friendly rapid hydrothermal-electrodeposition method was proposed...

10.21203/rs.3.rs-3498677/v1 preprint EN cc-by Research Square (Research Square) 2023-10-31

In this paper, four kinds of agents (2000 polyethylene glycol (pg2000), aminosalicylicacid (ASA), saodium alginate (SA), sodium metasilicate anhydrous (SMA)) were investigated as potential anti-clay combined with polycarboxylate water reducer (PCE), and the fluidity, compress strength, flexural strength cement paste, mortar, concrete containing aforementioned tested. It found that among tested agents, PG2000 have performed well. The fluidity increased 16mm compared to control sample. order...

10.1051/matecconf/202031908002 article EN cc-by MATEC Web of Conferences 2020-01-01
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