Novel Pt-Ni/NiO/Ni2O3 based electrodes for electrocatalytic biodiesel production from waste palm oil

Sarno, Maria; Ponticorvo, Eleonora; Scarpa, Davide

doi:10.1016/j.matpr.2019.09.012

Cited by 5 publications

(1 citation statement)

References 36 publications

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“…Compounds containing trivalent nickel, however exotic they seem to be, are considered to be promising catalysts for the carbonation of polypropylene [25], the hydrocarboxylation of acetylene [26], the photocatalytic generation of hydrogen from water [27], and the electrocatalytic production of biodiesel [28].…”

Section: Introductionmentioning

confidence: 99%

Effect of Synthesis Method on Properties of Layered Double Hydroxides Containing Ni(III)

2021

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Unstable oxidation state +3 of nickel can be stabilized in the structure of layered double hydroxides, the resulting crystallinity and properties being dependent on the synthesis method. Three different wet chemical methods (co-precipitation at variable pH, co-precipitation followed by hydrothermal treatment, co-precipitation with microwave treatment) were used to synthesize Mg/Ni–Al layered double hydroxides containing triply charged nickel cations. Lattice parameters of the samples synthesized by various methods were found to differ from each other by about 1.5%. The most crystallized sample was obtained by hydrothermal synthesis. The oxidation state of nickel in the LDH samples was confirmed by XPS. TEM mapping gave evidence of the uniform distribution of nickel in all the samples. The LDHs’ reduction with hydrogen and thermal transformations of the phase composition and morphology of LDHs were studied in detail. The properties of the samples synthesized by the different methods were shown to be quite similar.

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