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Vertically aligned CNT-supported thick Ge films as high-performance 3D anodes for lithium ion batteries
Xinghui Wang1, Rahmat Agung Susantyoko, Yu Fan
1School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
Small (Weinheim an Der Bergstrasse, Germany)
|April 5, 2014
Abstract:
The electrochemical performance of a thick Ge film (ca. 1020 nm) is dramatically improved by adopting vertically aligned carbon nanotube (VACNT) arrays as a 3D current collector. The VACNT-supported thick Ge film exhibits high reversible specific capacity (1352 mAh g(-1) ), and excellent capacity retention (97.2% after 100 cycles) and rate capability (843 mAh g(-1) at 10 C).
