The electrochemical properties of AB3/polyaniline ...
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 PANI composites (x = 1, 2, 3 and 4 wt%). The effects of PANI on the electrochemical properties of AB 3 alloy electrode were studied by …
In situ polyaniline coating of Prussian blue as cathode ...
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.
A Polyaniline‐Coated Sulfur/Carbon Composite with an ...
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 …
Thermoelectric properties of conducting polyaniline ...
The HClO 4 -doped polyaniline/graphite mixtures were prepared by mechanical ball milling in a planetary ball mill at 100 rpm for 24 h using a stainless steel vial and balls. The bulk sample was compressed by cold pressing at 20 MPa. 3. Results and discussion
Effect of solid state ball milling on wear and structural ...
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 ...
Synthesizing a high value-added composite photocatalyst ...
To further improve its photocatalytic activity, polyaniline (PANI) was added during the ball milling to form a composite photocatalyst. The results showed that the specific surface area of the composite photocatalyst was 21.11–40.27 m 2 g −1, and the particle size was 100–500 nm.
Milling – fritsch.de
The quality of every product or material analysis depends on the quality of the sample preparation. It is therefore extremely important to consider all the individual milling parameters in order to make an informed choice: material properties, feed size and volume of the sample, grinding time and desired final particle size, any abrasion of the grinding parts – all these …
Universal domino reaction strategy for mass production …
In this study, we have reported a universal domino reaction strategy for mass production of M-SA/NC catalysts by ball-milling polyaniline (PANI) with appropriate metal salt (e.g., NiCl 2 ), NaCl and NaNO 3, including Fe, Co, Ni, Mn, Mo, Pd and combinations thereof (among FeCo, FeNi, FeCoNi) SA/NC catalysts.
Surface and Interface Engineering for Nanocellulosic ...
Ball milling has a good resistance to organic solvents and is suitable for closed circuit grinding. Therefore, modification and nanofibrillation could be performed in various organic solvents, including N,N -dimethylformamide, [ 99 - 103 ] …
Polyaniline Functionalized Graphene Nanoelectrodes for the ...
This work reports on the preparation and use of a highly electroactive and biocompatible nanoelectrode made from a novel polyaniline functionalized graphene composite. This nanocomposite was prepared using a facile and efficient …
Polyaniline modified MIL-100(Fe) for enhanced ...
MIL-100 (Fe)/PANI composites are synthesized by a simple ball-milling method at 30 Hz for 20 min. Schematic diagram of the synthesis process is shown in Scheme 1. In a typical experiment, 100 mg MIL-100 (Fe) was mixed in a stainless-steel ball mill tanks with 3 mg, 5 mg, 7 mg, 9 mg PANI, respectively, under identical conditions.
Supplementary material from "In situ polyaniline coating ...
Prussian blue (PB) has great potential for using as a sodium cathode material owing to its high working potential and cube frame structure. Herein, this work reports a two-step method to synthesize PB with ascorbic acid as the ball-milling additive, which improves the electrochemical rate performance of PB during the traditional co-precipitation method. The …
Fast mechanochemical synthesis of carbon nanotube ...
Fast mechanochemical synthesis of carbon nanotube-polyaniline hybrid materials - Volume 33 Issue 10
Fabrication of porous polyaniline/MWCNTs coated Co9S8 ...
The porous polyaniline/multi-walled carbon nanotubes (PPANI/MWCNTs) composite is prepared by a solution-assisted self-assembly route. In order to improve the electrochemical performance of Co9 S 8, composites of Co 9 S 8 doped with PPANI, MWCNTs and PPANI/MWCNTs are fabricated by ball-milling.
Poly(vinylidene fluoride‐co‐hexafluorpropylene ...
The free-solvent dry blending approach using ball milling presented similar conductivity value but the higher EMI SE when compared with in situ polymerization, and is considered environmentally and technologically interesting.
A facile one-pot synthesis of polyaniline/magnetite ...
Bao L, Jiang JS (2005) Evolution of microstructure and phase of Fe 3 O 4 in system of Fe 3 O 4 –polyaniline during high-energy ball milling. Phys B Condens Matter 367(1–4):182–187. Article Google Scholar Batlle X, Labarta A (2002) Finite-size effects in fine particles: magnetic and transport properties. J Phys D 35:R15–R42
One-pot mechanochemical exfoliation of graphite and in ...
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.
Sustainable Preparation of Nanoporous Carbons via Dry Ball ...
The urgent need to reduce the consumption of fossil fuels drives the demand for renewable energy and has been attracting the interest of the scientific community to develop materials with improved energy storage properties. We propose a sustainable route to produce nanoporous carbon materials with a high−surface area from commercial graphite using a dry …
|- milling_milling_milling …
After ball milling, it can see the better dispensability and lower turn-on field. ... The white mixture of starting materials turns green after milling, indicating the formation of polyaniline in its doped emeraldine oxidation state.
Fast Mechanochemical Synthesis of Carbon Nanotube ...
Fast Mechanochemical Synthesis of Carbon Nanotube-Polyaniline Hybrid Materials ... magnitude higher than those of PAni synthesized under the same ball milling conditions. The data model for σ (equation S.3) shows that (MWCNT) was a more significant factor to …
One-pot mechanochemical exfoliation of graphite and in ...
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. The graphene/polyaniline composite electrode
Catalysts | Free Full-Text | Insights into the Influence ...
Ball milling is also a top-down synthesis mechanism that is mostly used to obtain few-layered ... development of efficient and long-lasting supercapacitors. Graphene, GO, and rGO, as well as conductive polymers like polyaniline, in combination with the porous, well-engineered phase MoS 2, could be a promising path forward in the energy storage ...
Preparation of an Epoxy/Polyaniline Composite Coating and ...
Corrosion potential measurements show that EB coating, which was prepared firstly by ball milling of EP/EB particles and then mixed and cured …
PRIME PubMed | Polyaniline modified MIL-100(Fe) for ...
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 …
SYNTHESIS OF ZIRCONIA NANOPOWDER USING …
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 ...
Preparation of Conducting Polyaniline–Bismuth Nanoparticle ...
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 …
Preparation and Thermoelectric Properties of Polyaniline ...
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 …
Polyaniline Functionalized Graphene Nanoelectrodes for the ...
polyaniline), functionalized with graphene via a polymerization enhanced edge-functionalization ball-milling (EFBM) method. Along with other groups from reports elsewhere [15,16], we discovered that the EFBM method can provide an eco-friendly, low cost, facile, and e cient technique for preparing
Mechanochemical route to the conducting polymer polyaniline
A solvent-free mechanochemical route for the synthesis of polyaniline has been developed. Reactions between anilinium salts, such as anilinium chloride, anilinium sulfate, and anilinium camphorsulfonic acid and the oxidant, ammonium peroxydisulfete, result in polyaniline formation on ball-milling the reactants.
In situ polyaniline coating of Prussian blue as cathode ...
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 …
