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

Vietnam Journal of Catalysis and Adsorption - Tập 11 Số 4 - Trang 26-30 - 2022
Le Thi Thao1, Phan Thi Thuy1, Tran Thi Thu Phuong1, Nguyen Thi Lan1, Nguyen Van Thang1, Vo Vien1
1Faculty of Natural Sciences, Quy Nhon University

Tóm tắt

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.

Từ khóa

#Germanium #Lithium batteries #Activated carbon #biomass

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Vietnam Journal of Catalysis and Adsorption

Tập 11 Số 4

26-30

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