Development of Al2O3-supported nanobimetallic Co-La-B catalyst for boosting hydrogen release via sodium borohydride hydrolysis
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Tarih
2024
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
This study introduces the novel Al2O3-supported nanobimetallic Co-La-B (Al2O3@Co-La-B) catalyst, specifically designed to enhance hydrogen production via sodium borohydride hydrolysis, marking its first application in hydrogen generation. Characterized by X-ray diffraction, Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, Brunauer-Emmett-Teller analysis, and scanning electron microscopy, the catalyst exhibits a porous, homogeneous cubic structure which significantly contributes to its high catalytic efficiency. It demonstrated remarkable hydrogen generation rates of up to 6057.72 mL(H2) min(-1) g(cat)(-1) at 30 degrees C and maintained 91.63% catalytic activity over multiple cycles, with a notable increase to 8661.94 mL(H2) min(-1) g(cat)(-1) at 60 degrees C. Kinetic studies, utilizing nth-order and Langmuir-Hinshelwood models, indicated activation energies of 51.38 kJ mol(-1) and 49.33 kJ mol(-1), respectively, showcasing the catalyst's potential as a sustainable solution for hydrogen production in various industrial applications.
Açıklama
Anahtar Kelimeler
H-2 generation, Catalytic activity, NaBH4 hydrolysis, Al2O3@Co-La-B catalyst, Kinetics
Kaynak
Journal of The Australian Ceramic Society
WoS Q Değeri
N/A
Scopus Q Değeri
Q2
