Nickel-Catalyzed mesoporous biochar for enhanced adsorptive oxidation of aqueous Sulfide: An investigation of influencing factors and mechanisms

Danhassan, Umar Abdulbaki; Zhang, Xin; Qi, Riying; Ali, MA; Sheng, Kuichuan; Lin, Hongjian

doi:10.1016/j.biortech.2022.127877

Cited by 8 publications

(1 citation statement)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When the concentration was appropriate, the nucleation rate and growth rate were in balance, allowing the crystals to grow completely and form regularly shaped products with high crystallinity. When the concentration was too high, the nucleation rate of the crystals was much higher than the growth rate, 27,28 leading to incomplete growth and irregularly shaped particles 29,30 that resulted in lower crystallinity (Table 2). Figure 3 shows the SEM images of Cu 2−x S prepared at different electrolyte concentrations.…”

Section: Characterization Of Cu 7 Smentioning

confidence: 99%

Synthesis of Cu₂₋_xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Xiao,

Yin,

Chen

et al. 2024

J Am Ceram Soc.

View full text Add to dashboard Cite

The work presented an electrochemical anode method with different electrolyte concentrations and heat posttreatment to control the stoichiometry and structure of Cu2−xS electrocatalysts. X‐ray diffraction, X‐ray photoelectron spectroscopy, and scanning electron microscopy were employed to characterize the composition and morphology, whereas the electrocatalytic activity was evaluated by linear scanning voltammetry and electrochemical impedance spectroscopy. The results showed that the electrochemical method successfully synthesized thin flake‐shaped Cu7S4, which exhibited optimal performance at the electrolyte concentration of 0.45 mol L1 with maximum turnover frequency of 0.786 s−1, maximum mass activity of 0.539 A g−1, minimum charge transfer resistance of 0.156 Ω cm−2, and minimum overpotential of 154 mV at a current density of 10 mA cm−2. In the Cu7S4 structure, Cu2+ and S2− were coordinated in a CuS4 tetrahedral structure, whereas Cu+ and S2− were coordinated in a CuS3 triangular structure. Heat posttreatment could change the stoichiometry from 1.75 to 1.8 and improve the electrochemical performance. In the Cu9S5 structure, the CuS3 triangular structure had disappeared. Under the same conditions, the overvoltage was only 128 mV.

show abstract

Section: Characterization Of Cu 7 Smentioning

confidence: 99%

Synthesis of Cu₂₋_xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Xiao,

Yin,

Chen

et al. 2024

J Am Ceram Soc.

View full text Add to dashboard Cite

show abstract

Biochar-Based Metallic Nanoparticle Catalysts and Their Applications

Al-Najar,

El-Qanni,

Hasan

et al. 2024

Sustainable Materials and Technology

View full text Add to dashboard Cite

Enhanced electro-activity of nickel phosphide by pre-treatment for efficient hydrogen sulfide elimination

Zhang

Sheng

et al. 2023

Applied Surface Science

View full text Add to dashboard Cite

Nickel-Catalyzed mesoporous biochar for enhanced adsorptive oxidation of aqueous Sulfide: An investigation of influencing factors and mechanisms

Cited by 8 publications

References 46 publications

Synthesis of Cu₂₋_xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Synthesis of Cu₂₋_xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Biochar-Based Metallic Nanoparticle Catalysts and Their Applications

Enhanced electro-activity of nickel phosphide by pre-treatment for efficient hydrogen sulfide elimination

Contact Info

Product

Resources

About

Nickel-Catalyzed mesoporous biochar for enhanced adsorptive oxidation of aqueous Sulfide: An investigation of influencing factors and mechanisms

Cited by 8 publications

References 46 publications

Synthesis of Cu2−xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Synthesis of Cu2−xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Biochar-Based Metallic Nanoparticle Catalysts and Their Applications

Enhanced electro-activity of nickel phosphide by pre-treatment for efficient hydrogen sulfide elimination

Contact Info

Product

Resources

About

Synthesis of Cu₂₋_xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment

Synthesis of Cu₂₋_xS electrocatalysts with different stoichiometric numbers by electrodeposition and heat posttreatment