For the Zn system, Zn foils with a thickness of 100 μm (Alfa Aesar) were used as the cathode and anode electrodes. The Zn electrode had a surface area of 1.59 × 10−3 cm2. The electrode edges were polished by 6000 grit sandpaper (Micro-Surface Finishing Products). An electrolyte containing 0.02 M ZnSO4 was prepared using ZnSO4 · 7H2O (Millipore Sigma), dissolved in DI water. The electrochemical deposition for Zn was conducted for 60 s under an applied voltage of 0.625 V. The Zn electrochemical deposition at constant current density was performed for 60 s.
Zn foil
Manufactured by Thermo Fisher Scientific
Zn foil is a thin sheet of zinc metal. It is a versatile laboratory material with various applications in scientific research and experimentation.
Automatically generated - may contain errors
Lab products found in correlation
Anhydrous 2 propanol, by Merck Group (1 mentions)
Zn otf 2, by Merck Group (1 mentions)
Zn cf3so3 2, by J&K Scientific (1 mentions)
Sodium dodecyl sulfate (sds), by Sinopharm (1 mentions)
Zinc chloride, by Merck Group (1 mentions)
Ethylene glycol, by Merck Group (1 mentions)
Acetonitrile, by Merck Group (1 mentions)
5 protocols using zn foil
1
Electrochemical Deposition of Zinc
2
Zn-PANI Hybrid Battery Protocol
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Zn(OTf)2 (98%) and EtOH (99.9%, water content 40 ppm) were purchased from Sigma-Aldrich. Anhydrous MeOH (99.9%, water content 78 ppm) was purchased from Alfa Aesar. Zn foils with different thickness (10 μm [99.9%] and 100 μm [99.994%]) were purchased from Alfa Aesar. All the electrolyte solutions were formulated by dissolving Zn salts into solvents according to different concentrations in an Ar-filled glovebox. The cathode electrode material PANI was synthesized according to previous reports (37 ). Next, the PANI powders, Timical Super C45 (MTI) and PTFE (Sigma-Aldrich) ,were dispersed in anhydrous 2-propanol (99.5%; Sigma-Aldrich) with a mass ratio of 7:2:1. The slurry was then coated and calendared on a Ti mesh current collector and dried at room temperature overnight to remove 2-propanol. The loading of the PANI was ∼7 mg cm−2.
3
Synthesis of Zinc-Air Battery Components
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Ammonium metavanadate (NH4VO3, 99%) and N-methyl-2-pyrrolidone (NMP, 99.5%) were purchased from Aladdin. Sodium dodecyl sulfate (SDS, 99%), and polyvinylidene fluoride (PVDF) were purchased from Sinopharm Chemical Reagent Co., Ltd. Single-walled carbon nanotubes (SWCNTs, P3) were purchased from Carbon Solutions Inc. Zn foil (99.9%) was purchased from Alfa Aesar. Glass fiber (Grade GF/A) was from Whatman. Zn (CF3SO3)2, 97.5% was from J&K Scientific Ltd. The prepared electrolyte was purified before using.
4
Ethanediol and Zinc Chloride Protocol
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Ethylene glycol (EG) (HOCH2CH2OH, > 99.5%, hydrogen bond donor (HBD)) and Zinc chloride (ZnCl2 > 99.9%, hydrogen bond acceptor (HBA)) were procured from Sigma Aldrich (South Korea) and used without further purification. Zn foil (99.995%, Alfa Aesar, South Korea) with a thickness of 0.025 cm was used.
5
Zinc Foil-based Energy Storage Protocols
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Zn foil (≈250 µm) was purchased from Alfa Aesar, Zn[NTf2]2 (99.5%) from Solvionic, tetramethylene sulfone (99%) from Merck Schuchardt, acetonitrile from Sigma‐Aldrich (anhydrous, 99.8%) and Fisher Chemical (HPLC gradient grade, ≥99.9%). Activated carbon (AC) powder was obtained from Sigma‐Aldrich and Whatman glassy fiber (GF) from cytiva (thickness in fluffy state about 0.5 mm). Demineralized water, Zn acetate (Zn(OAc)2, Zn(CH3COO)2), Zn trifluoromethanesulfonate (Zn[OTf]2, Zn(CF3SO3)2), polytetrafluoroethylene (PTFE, 10 wt.% dispersion in H2O), 2‐propanol, stainless steel foil (304, 25 µm thickness) and stainless‐steel mesh were laboratory grade. Guangdong Canrd New Energy Technology Co., Ltd. supplied coin cell shells (CR2032) with spring and stainless‐steel spacer (1.0 mm thickness) and three‐dimensional Cu foam (3DCu, 0.3 × 200 × 300 mm3, 35.2 g).
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