Synthesis of Ge/C composite as an anode material for lithium ion batteries

Thao Le Thi, Trang Phan Thi Thuy, Phuong Tran Thi Thu, Lan Nguyen Thi, Thang Nguyen Van, Vien Vo

Abstract


The Ge/C composite was prepared by hydrothermal method using Germani (Ge) and carbon (C) as precursors, in which C was prepared from waste banana peel as biomass source and Ge was obtained from reduction of GeO2 by Mg at 650 oC. The synthesized composite was characterized by X-ray diffraction (XRD), Infrared spectroscopy (IR), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM); and used as lithium ion battery anode material. The results showed that the Ge/C anode exhibited a higher capacity and stablity than those of the pure Ge. This observation can indicate that the Ge/C composite may be a new class of promising negative electrode material for lithium ion batteries in the future.


Keywords


Germanium; Lithium batteries; Activated carbon; biomass

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References


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DOI: https://doi.org/10.51316/jca.2022.065

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