Study on the hydrogen generation performance and hydrolyzates of active aluminum composites

Liu, Zhenhui; Xiao, Fei; Tang, Weiqiang; Cong, Kun; Li, Jingjing; Yang, Rongjie; Hao, Jianwei

doi:10.1016/j.ijhydene.2021.10.113

Cited by 12 publications

(2 citation statements)

References 36 publications

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“…5(d) shows the XRD patterns of the Al-based composites, and their hydrolysis products are mainly AlO(OH). The porous structure of AlO(OH) was found to promote the hydrolysis reaction, 41 which is consistent with the results of SEM images and EDS mappings shown in Fig. 6.…”

Section: Hydrolysis Mechanism Of Al-based Composites With Watersupporting

confidence: 87%

Study on synergistic hydrogen generation from aluminum-based composites in different forms of water

Chen,

Lu,

Zhang

et al. 2024

Phys. Chem. Chem. Phys.

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Section: Hydrolysis Mechanism Of Al-based Composites With Watersupporting

confidence: 87%

Study on synergistic hydrogen generation from aluminum-based composites in different forms of water

Chen,

Lu,

Zhang

et al. 2024

Phys. Chem. Chem. Phys.

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“…This is related to the high stability of PANI chains, in which PANI is not dissolved in almost all the solvents [ 37 ]. The very small dark current (J d ) (almost zero) may indicate the full inhibition of the prepared electrode under dark conditions [ 38 , 39 , 40 ].…”

Section: Resultsmentioning

confidence: 99%

Conversion of Sewage Water into H2 Gas Fuel Using Hexagonal Nanosheets of the Polyaniline-Assisted Deposition of PbI2 as a Nanocomposite Photocathode with the Theoretical Qualitative Ab-Initio Calculation of the H2O Splitting

et al. 2022

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This study is very promising for providing a renewable enrgy (H2 gas fuel) under the elctrochemical splitting of the wastwater (sewage water). This study has double benefits: hydrogen generation and contaminations removel. This study is carried out on sewage water, third stage treated, from Beni-Suef city, Egypt. Antimony tin oxide (ATO)/polyaniline (PANI)/PbI2 photoelectrode is prepared through the in situ oxidative polymerization of PANI on ATO, then PANI is used as an assistant for PbI2 deposition using the ionic adsorption deposition method. The chemical structural, morphological, electrical, and optical properties of the composite are confirmed using different analytical tools such as X-ray diffreaction (XRD), scanning electron microscope (SEM), transmision electron microscope (TEM), Fourier-transform infrared spectroscopy (FTIR), and UV-Vis spectroscopy. The prepared PbI2 inside the composite has a crystal size of 33 nm (according to the peak at 12.8°) through the XRD analyses device. SEM and TEM confirm the hexagonal PbI2 sheets embedded on the PANI nanopores surface. Moreover, the bandgap values are enhanced very much after the composite formation, in which the bandgap values for PANI and PANI/PbI2 are 3 and 2.51 eV, respectively. The application of ATO/PANI/PbI2 nanocomposite electrode for sewage splitting and H2 generation is carried out through a three-electrode cell. The measurements carreid out using the electrocehical worksattion under th Xenon lamp (100 mW.cm−2). The produced current density (Jph) is 0.095 mA.cm−2 at 100 mW.cm−2 light illumination. The photoelectrode has high reproducibility and stability, in which and the number of H2 moles is 6 µmole.h−1.cm−1. The photoelectrode response to different monochromatic light, in which the produced Jph decreases from 0.077 to 0.072 mA.cm−2 with decreasing of the wavelengths from 390 to 636 nm, respectively. These values confirms the high response of the ATO/PANI/PbI2 nanocomposite electrode for the light illuminaton and hydrogen genration under broad light region. The thermodynamic parameters: activation energy (Ea), enthalpy (ΔH*), and entropy (ΔS*) values are 7.33 kJ/mol, −4.7 kJ/mol, and 203.3 J/mol.K, respectively. The small values of ΔS* relted to the high sesnivity of the prepared elctrode for the water splitting and then the hydrogen gneration. Finally, a theoretical study was mentioned for calculation geometry, electrochemical, and thermochemistry properties of the polyaniline/PbI2 nanocomposite as compared with that for the polyaniline.

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A qualitative assessment of hydrogen generation techniques for fuel cell applications

Chaudhary,

Bhardvaj,

Chaudhary

2024

Fuel

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Study on the hydrogen generation performance and hydrolyzates of active aluminum composites

Cited by 12 publications

References 36 publications

Study on synergistic hydrogen generation from aluminum-based composites in different forms of water

Study on synergistic hydrogen generation from aluminum-based composites in different forms of water

Conversion of Sewage Water into H2 Gas Fuel Using Hexagonal Nanosheets of the Polyaniline-Assisted Deposition of PbI2 as a Nanocomposite Photocathode with the Theoretical Qualitative Ab-Initio Calculation of the H2O Splitting

A qualitative assessment of hydrogen generation techniques for fuel cell applications

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