Furthermore, polyaniline grafted from the reduced graphene [R (GO-PANI)] was prepared by reducing the above GO-PANI using hydrazine hydrate and the improved power factor as high as 3.6 × 10 -8 W m -1 K -2 was attained at 341 K. Access through your institution.

The Z-scheme MIL-100(Fe)/PANI composite photocatalysts were facilely prepared from MIL-100(Fe) and polyaniline (PANI) by ball-milling, and were characterized by powder X-ray diffraction (PXRD), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), transmission electron microscopy (TEM), UV-visible diffuse-reflectance spectrometry (UV-vis DRS), X-ray photoelectron ...

Herein, we report an efficient method to produce graphene/polyaniline composites via a one-pot ball-milling process, in which aniline molecules act as both the intercalator for the exfoliation of graphite and the monomer for mechanochemical polymerization into polyaniline clusters on the in situ exfoliated graphene sheets.

Fabrication of porous polyaniline/MWCNTs coated Co 9 S 8 composite for electrochemical hydrogen storage application. ... MWCNTs and PPANI/MWCNTs are fabricated by ball-milling. As the negative electrodes of Ni-MH batteries, the electrochemical properties of samples are measured utilizing a three-electrode system with the LAND CT2001A tester.

Feng, Y.; Tang, C.; Qiu, T. Effect of ball milling and moderate surface oxidization on the microwave absorption properties of FeSiAl composites[J]. Materials Science and Engineering B-Advanced Functional Solid-State Materials,2013,178(16):1005-1011. [63]

Polyaniline is synthesized by chemical methods from the monomer aniline. Paint preparation by using additives in appropriate quantities and ball milling for 16 hours is done. The corrosion performance of low carbon bare steel and when coated with conducting polyaniline are investigated in 3.5wt% NaCl soil medium by potentiodynamic polarization ...

Ball-milling was an effective pretreatment of glycosylation modified the ing and gel properties of EWP. This study not only contributes to expanding the application scope of EWP in the egg product processing industry, but also provides a new idea and reference for protein modification.

12%In this paper, first, S1 allowed the dispersion, in the aqueous phase, of natural graphite treated by ball-milling and subsequently, was polymerized to produce GNS covered by conducting PAni. Electron microscopy and cyclic voltammetry were used to demonstrate, respectively, the deposition of polyaniline onto the surface of the graphite flake ...

Bao L and Jiang J S 2005 Evolution of microstructure and phase of Fe3O4 in system of Fe3O4–polyaniline during high-energy ball milling Physica B 367 182–7. Crossref Google Scholar. Khodadadi A, Farahmandjou M and Yaghoubi M 2018 Investigation on synthesis and characterization of Fe-doped Al2O3 nanocrystals by new sol–gel precursors Mater ...

In this paper, first, S1 allowed the dispersion, in the aqueous phase, of natural graphite treated by ball-milling and subsequently, was polymerized to produce GNS covered by conducting PAni. Electron microscopy and cyclic voltammetry were used to demonstrate, respectively, the deposition of polyaniline onto the surface of the graphite flake ...

Aniline (ANI) was polymerized with the presence of solid epoxy resin (EP) powder through common oxidation polymerization and polyaniline (PANI) coated EP particles, that is a …

Bao and Jiang [229] reported the preparation of polyaniline (PANI) and Fe 3 O 4 composites by high-energy ball milling. XRD analysis demonstrated that ball milling rapidly reduced the crystallite ...

ball-milling process followed by rapid precipitation, and the usability of ascorbic acid (AA) in the ball-milling process was studied. In order to enhance the cycling performance of the PB, an in situ polyaniline (PANI) coating strategy was employed in which aniline was added into the electrolyte and polymerized under electrochemical conditions.

12%Conducting polyaniline (PANi)/Bi nanoparticle composites have been prepared using a planetary ball-milling technique. PANi powder and (±)-10-camphorsulfonic acid (CSA) as a charge carrier dopant were dissolved in m-cresol.The solution and Bi powder (under 90 μm) with different values of the molar ratio R = aniline/Bi, R = 0.1 to 1, were encased in a zirconia pot with …

A Co 9 S 8 /C nanocomposite has been prepared using a solid-state reaction followed by a facile mechanical ball-milling treatment with sucrose as the carbon source. The phases, morphology, and detailed structures of Co 9 S 8 /C nanocomposite are well characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and high-resolution transmission electron microscopy.

The Z-scheme MIL-100(Fe)/PANI composite photocatalysts were facilely prepared from MIL-100(Fe) and polyaniline (PANI) by ball-milling, and were characterized by powder X-ray diffraction (PXRD), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), transmission electron microscopy (TEM), UV–visible diffuse-reflectance spectrometry (UV–vis DRS), X-ray ...

2.1 Ball milling of Graphite Natural graphite was powdered by mechanical milling in planetary ball mill equipped with tungsten viol containing stainless steel balls (7.8 g/cm3) and zirconia balls (5.68 g/cm3). The milling of graphite was carried out for 100 min, 200 min and 300 min [6, 7]. 2.2 Synthesis of PANI

High energy ball milling was used to preparation SiC/Al composites flakes. The research found the milling parameter of high energy milling was the ball/powder ration is 20:1, the rotary speed is 800 r/min, the milling time is 100min.Also researched the molding process of SiC/Al composites, the change of grain size and the weight fraction of the SiC, The research also found the mechanical ...

In this work, the precursor of PB was treated via a ball-milling process followed by rapid precipitation, and the usability of ascorbic acid (AA) in the ball-milling process was studied. In order to enhance the cycling performance of the PB, an in situ polyaniline (PANI) coating strategy was employed in which aniline was added into the ...

By ball milling of the Co powder and Si powder at a fixed molar ratio for 10 h, the Co–Si composite was obtained and it exhibited a high initial capacity. ... Polyaniline was coated on the Nd-Mg-Ni alloy surface via evaporation polymerization method.

We present a fast method to prepare hybrid materials of polyaniline (PAni) with carbon nanotubes (CNTs, both undoped and nitrogen-doped) by ball milling without solvents or strong oxidants.

Polyaniline-coated sulfur/conductive-carbon-black (PANI@S/C) composites with different contents of sulfur are prepared via two facile processes including ball-milling and thermal treatment of the conductive carbon black and sublimed sulfur, followed by an in situ chemical oxidative polymerization of the aniline monomer in the presence of the S/C composite and ammonium persulfate.

Conducting polyaniline (PANi)/Bi nanoparticle composites have been prepared using a planetary ball-milling technique. PANi powder and (±)-10-camphorsulfonic acid (CSA) as a charge carrier dopant were dissolved in m-cresol. The solution and Bi powder (under 90 μm) with different values of the molar ratio R = aniline/Bi, R = 0.1 to 1, were encased in a zirconia pot with zirconia balls, then ...

We design a carbon-free Si/polyaniline hybrid anode composed of porous Si dendrites and oxalic acid doped polyaniline coatings. Such a 3D conductive porous structure offers the feasibility to facilitate the transport of electrons/ions and simultaneously …

Microstructural and phase transformation of magnetite induced by high-energy ball milling and influence of conducting polyaniline on Fe 3 O 4 particles in system of Fe 3 O 4 -polyaniline is investigated by Möss spectroscopy, X-ray diffraction, FTIR and vibrating sample magnetometry analyses. It is found that with the increasing of milling time the size of Fe ₃O ₄

To further explore the coordination environment changes of the central metals before and after ball-milling, we performed XPS experiments (see the electronic supplementary material, figure S3). For poly[K x (Ni-ett)] and its composite, peaks of Ni2p3/2 appeared at both 853.7 and 855.8 eV, and the ratio of the two peaks was the same (1.97).

Hydrochloric acid doped polyaniline and camphor sulfonic acid doped polyaniline were prepared by oxidative chemical polymerization and grinding, respectively. The structures of polyaniline samples were measured by Fourier transform infared spectroscopy. The Seebeck coefficient and electrical conductivity of the composites were investigated as protonic acid content in the temperature range from ...

This ball mill is typically designed to grind mineral ores and other materials with different hardness, and it is widely used in different fields, such as ore dressing, building material field, chemical industry, etc. Due to the difference of its slurry discharging method, it is divided to …

The mechanical ball-milling process reduced the PANI particle size and produced a more uniform particle size distribution (Figure 2c and Table 1). Prior to milling the PANI particles size was Dx (90) 306 ± 37 μm, which is too big for and can potentially block the …

The La(0.7)Mg(0.25)Ti(0.05)Ni(2.975)Co(0.525) (AB(3)) alloy was modified with different contents of polyaniline (PANI) through ball milling. XRD, SEM and FTIR were used to characterize the properties of the AB(3)/x PANT composites (x=1, 2, 3 and 4wt%).

L. Bao and J. S. Jiang, "Evolution of microstructure and phase of Fe 3 O 4 in system of Fe 3 O 4-polyaniline during high-energy ball milling," Physica B, vol. 367, no. 1–4, pp. 182–187, 2005. View at: Publisher Site | Google Scholar

HClO 4-doped polyaniline/graphite composites were prepared by mechanical ball milling and cold pressing.The thermoelectric properties for the composites were investigated as a function of graphite concentration. The thermal conductivity (К) increases slightly with increasing graphite content but the electric conductivity(σ) as well as the Seebeck coefficient (S) increases remarkably, which ...

BiCuSeO/polyaniline (BCSO/PANI) bulk composites have been successfully fabricated by a ball-milling and hot-pressing method. Microstructure analysis shows that BCSO particles are well mixed and dispersed in the PANI matrix. Our results indicate that the Seebeck coefficient can be increased substantially by adding BCSO filler to the PANI matrix, especially for 40 wt.% BCSO (5-87 μV …