The walnut powder was purchased from farm product processing Co., Ltd. Acetylene black, Acetylene black, polytetrafluoroethylene (PVDF), and N-methyl pyrrolidone were purchased from Sigma-Aldrich. KOH. All electrochemical tests were carried out on a CHI660 workstation in two-electrode configurations (Chenhua, Shanghai, China, 2017). The electrochemical performance of the carbon material was measured by CV at scan rates (5–100 mv/s) and GCD (galvanostatic charge–discharge) profiles were conducted with current densities between 0.5 and 5 A/g. Electrochemical impedance spectra were calculated in the 100 kHz to 0.01 Hz frequency range. The microstructures of the NC-800 were analyzed by field emission electron microscopy (FESEM, Hitachi, S4800, Tokyo, Japan, 2015). A Jobin-Yvon HR800 spectrophotometer was used to obtain the Raman spectra. The compositions of samples were analyzed by XPS (K-Alpha, Thermo Scientific, New York, NY, USA).
Acetylene black
Manufactured by Merck Group
Sourced in India, Germany, United States
Acetylene black is a type of carbon black material produced through the thermal decomposition of acetylene gas. It is a fine, powdery substance with a high surface area and electrical conductivity. Acetylene black is commonly used as a conductive additive in various applications, such as batteries, conductive coatings, and rubber compounds.
Automatically generated - may contain errors
Lab products found in correlation
Ethanol, by Merck Group (5 mentions)
Nafion solution, by Merck Group (5 mentions)
Polyvinylidene fluoride (pvdf), by Merck Group (5 mentions)
Potassium hydroxide, by Adamas (2 mentions)
K alpha, by Thermo Fisher Scientific (2 mentions)
Nickel sulphate hexahydrate, by Merck Group (1 mentions)
Sodium bicarbonate, by Merck Group (1 mentions)
Sodium sulfate, by Merck Group (1 mentions)
N methyl 2 pyrrolidone, by Merck Group (1 mentions)
Sx ultra, by Thermo Fisher Scientific (1 mentions)
N methyl 2 pyrrolidone solvent, by Merck Group (1 mentions)
Palladium acetate, by Merck Group (1 mentions)
Zinc acetate, by Merck Group (1 mentions)
N methyl pyrrolidinone, by Merck Group (1 mentions)
N methylpyrrolidone, by Merck Group (1 mentions)
S 4800, by Hitachi (1 mentions)
Chi660 workstation, by Chenhua (1 mentions)
Carbon paper, by Toray (1 mentions)
N methyl 2 pyrrolidine nmp, by Merck Group (1 mentions)
Ammonium persulfate aps, by Maclin Biochemical Technology (1 mentions)
16 protocols using acetylene black
1
Electrochemical Performance of Walnut-Derived Carbon
2
Synthesis of Nickel-Manganese Battery Materials
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Nickel sulphate hexahydrate (NiSO4.6H2O), Manganese sulphate tetrahydrate (MnSO4.4H2O), sodium bicarbonate (NaHCO3), Sodium sulfate (Na2SO4), Acetylene black, Polyvinylidene fluoride and N-Methyl-2-Pyrrolidone were procured from Sigma-Aldrich, India. Ethanol was purchased from SRL Pvt. Ltd, India. All the purchased chemicals and regents were in analytical grade and used as received without any further purifications.
3
Fabrication of Air-Breathing Cathodes
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The different catalysts synthesised in this work were then integrated into air-breathing cathodes as described before [55 ]. Particularly, activated carbon (AC, Norit SX Ultra), carbon black (CB, Alfa Aesar, acetylene black 50 wt% compressed) and polytetrafluoroethylene (PTFE, 60 wt% emulsion Sigma Aldrich) were blended in a weight ratio of 7:1:2, respectively. The black mixture was then weighted and pressed over a stainless steel mesh SS316 that worked as a current collector. The AC cathode, also used as a control, had a loading of AC-CB-PTFE of 45 mg cm−2. Fe-STR and Fe-STR-CNT were prepared similarly, but within the mixture of AC-CB-PTFE, the catalyst was added and mixed manually making a homogeneous blend. Fe-STR and Fe-STR-CNT had a loading of 45 mg cm−2 where 40 mg cm−2 was composed by AC-CB-PTFE, and 5 mg cm−2 was loading of the Fe—N—C-based catalyst. It was shown previously that different AC loading does not affect the power output [84 (link)].
4
LiFePO4 Electrode Fabrication
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LiFePO4 powder, acetylene black and polyvinylidene fluoride (Sigma-Aldrich) with a weight ratio of 40:40:20 were mixed thoroughly in N-methyl-2-pyrrolidone solvent (Sigma-Aldrich), and the resultant slurry was pasted on commercial carbon paper (Toray Carbon Paper TGP-H-030). The electrode was dried under vacuum at 100 °C overnight and ready for use.
5
Synthesis of Zinc-Palladium Catalysts
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Zinc acetate [Zn(O2CCH3)2 (H2O)2] and palladium acetate [(Pd(CH3COO)2)], ethanol and methanol (C2H5OH) were bought from Sigma Aldrich, Germany. The electrode material fabrication was carried out using acetylene black, polyvinylidene (PVDF) as well as N-methyl pyrrolidinone (NMP) bought from Sigma Aldrich, Germany. Fresh leaves of E. cognata (EC) were obtained from Rawalakot area [33.8584° N, 73.7654° E] of AJK, Pakistan.
6
Zinc-based Alkaline Battery Electrolyte
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2 M ZnSO4 electrolyte was prepared by dissolving 0.2 mol ZnSO4·7H2O (> 99%, VWR chemicals) into 100 mL deionized water with constant magnetic stirring for 30 min, which is denoted as BE. The designed electrolytes were then prepared by mixing proper amounts of 0.1 mol L−1 NH3·H2O with the as-prepared 2 M ZnSO4 solution to control the concentrations of NH3·H2O additives as 0.5, 1, 2, 3, and 5 mM. The optimized concentration of NH3·H2O is 1 mM and the corresponding electrolyte is denoted as DE. The MnO2 cathodes consisted of 70 wt% commercial MnO2 powder (precipitated active for synthesis, Sigma-Aldrich), 20 wt% acetylene black (battery grade, MTI), and 10 wt% poly(vinylidene fluoride) (PVDF; average Mw ~ 534,000, Sigma-Aldrich) with N-methyl-2-pyrrolidine (NMP; ≥ 99%, Sigma-Aldrich) as the solvent. Carbon paper (hydrophilic type; TORAY) was selected as the current collector. Polished Zinc foils with 1,000 mesh sandy paper (70 μm in thickness; ϕ12 mm circles) were used in Zn symmetric cells, Zn//Cu asymmetric cells, and Zn//MnO2 full cells.
7
Zinc-based Battery Materials Characterization
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ZnCl2, LiCl, NaCl, KCl, KF, ZnBr2, KI, LiN(CF3SO2)2 (LiTFSI), Zn(CF3SO3)2 (Zn(OTf)2), Li2SO4, ZnSO4, aniline, acetylene black, and polyvinylidene fluoride were purchased from Sigma-Aldrich. Ammonium persulfate (APS) was purchased from Macklin. The bacterial cellulose (BC) hydrogel was purchased from Hainan Yi De Food Co., Ltd. Carbon cloth was purchased from the Cetech Co., Ltd. LiFePO4 was purchased from the Shenzhen Kejing Group. Zinc foil (20 μm thick) was purchased from Qingyuan Metal Material Co., Ltd.
8
Lithium-ion Battery Components Synthesis
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Sigma Aldrich supplied titanium (IV) isopropoxide (C12H28O4Ti, 99.95%), lithium hydroxide (LiOH, 99.50%), polyethylene glycol, ammonium hydroxide (NH4OH, 99.50%), acetylene black (99.99%), polyvinylidene fluoride (PVDF) and ethanol (C2H5OH, 99%). Lithium sulfate (Li2SO4, 95%) is a product of Ajax Fine Chem Laboratory Chemicals. N-methyl-2-pyrrolidone (NMP, 99.5%) was obtained from RCI Labscan.
9
Synthesis of Flexible Composite Electrodes
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Nickel chloride hexahydrate (NiCl2·6H2O), cobalt nitrate hexahydrate (Co(NO3)2·6H2O), oxalic acid dihydrate (H2C2O4·2H2O), acetylene black (AB), reduced graphene oxide (rGO), polyvinyl alcohol (PVA), polyvinylidene fluoride (PVDF), N-methyl pyrrolidone (NMP), cellulose paper were purchased from Sigma-Aldrich Ltd. All the chemicals were used as received without further purification. The deposition of thin films was carried out on the flexible stainless steel 300 mesh (FSSM-300) procured from Micromesh India Pvt. Ltd. Double distilled water (DDW) was used for preparing the solutions.
10
Pomelo-Based Electrochemical Device Fabrication
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Pomelo was purchased from a local supermarket in China and pomelo valves were collected by means of shucking off the pomelo peel and removing the edible portion as well as the pomelo seeds. Nafion solution, acetylene black, poly(tetrafluoroethylene) (PTFE), and ethanol were purchased from Sigma-Aldrich. Potassium hydroxide (KOH) and all others reagents were obtained from Adamas-beta®. All chemicals were used without further purification.
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