期刊
RSC ADVANCES
卷 5, 期 5, 页码 3881-3887出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra15541f
关键词
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资金
- NRF grant [NRF 2010-0029245]
- Global Frontier RAMP
- D program on Center for Multiscale Energy System - Korea government [NRF 2011-0031571]
A simple binder-free synthesis approach of just rubbing nitrogen-doped reduced graphene oxide (N-RGO) powder on a mechanically grinded Cu-foil substrate with a rough surface is proposed for a lithium ion battery (LIB). The nitrogen content of N-RGO is found to be 2.1 wt%. The binder-free N-RGO electrode shows excellent reversible capacity of 551 mA h g(-1) as compared to 433 mA h g(-1) of the binder-added N-RGO electrode at a current density of 50 mA g(-1) after 100 cycles. The process is not only highly reproducible and successful, but also results in high LIB performance, proposing easy scaling-up of such an electrode for commercial application.
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