1. Corrosion Behaviors of Li-B-H Films in Air
- Author
-
Zheng Wei Xiong and Weidong Wu
- Subjects
Materials science ,X-ray photoelectron spectroscopy ,Hydrogen ,chemistry ,Scanning electron microscope ,General Engineering ,Analytical chemistry ,chemistry.chemical_element ,Fourier transform infrared spectrometry ,Pulsed laser deposition ,Corrosion - Abstract
In the present study, Li-B-H films contained LiBH4 and Li2B12H12 were fabricated under different hydrogen pressures (20, 70 Pa) at ambient temperature by pulsed laser deposition (PLD). The corrosion behaviors of the films were studied over a time of 1-24 h in the air at ambient temperature. Fourier transform infrared spectrometry (FT-IR), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) were used to analyze the formed oxidation film. The results indicated that an oxidation film with obvious cracks and holes were formed, which was composed by Li2B4O7 and Li2CO3. The films were mainly reacted with H2O and CO2, so the oxidation of Li-B-H could be prevented by avoiding exposed to air.
- Published
- 2015