Zn 2 GeO 4 @C Core–Shell Nanorods as Highly Reversible Anode Materials for Lithium‐Ion Batteries

We report the synthesis of Zn 2 GeO 4 nanorods using a simple hydrothermal process. After the coating of a carbon layer by the thermal decomposition of acetylene gas, the Zn 2 GeO 4 @C core–shell nanorods were obtained. The as‐synthesized Zn 2 GeO 4 @C core–shell nanorods were used as anode material...

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Bibliographic Details
Published in:Energy technology (Weinheim, Germany) Germany), 2017-09, Vol.5 (9), p.1656-1662
Main Authors: Chen, Yifan, Lin, Yangfan, Du, Ning, Xiao, Chengmao, Wu, Shali, Zhang, Yaguang, Yang, Deren
Format: Article
Language:English
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Summary:We report the synthesis of Zn 2 GeO 4 nanorods using a simple hydrothermal process. After the coating of a carbon layer by the thermal decomposition of acetylene gas, the Zn 2 GeO 4 @C core–shell nanorods were obtained. The as‐synthesized Zn 2 GeO 4 @C core–shell nanorods were used as anode materials of lithium‐ion batteries, which showed good cycling and rate performance. A highly reversible specific capacity of 718 mAh g −1 after 400 cycles was achieved at a current density of 400 mA g −1 . The core–shell nanostructures and partially amorphous and porous nanostructures helped to alleviate the volume change and enhance the conductivity during the charge/discharge process, which may be responsible for the good performance.
ISSN:2194-4288
2194-4296
DOI:10.1002/ente.201700058