期刊
RSC ADVANCES
卷 5, 期 38, 页码 30084-30091出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra01533b
关键词
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资金
- National Natural Science Foundation of China [21061130551]
- Xi'an Industrial Technology Innovation Project-technology transfer promoting program [CXY1438-7]
Free-standing reduced graphene oxide membranes (rGOMs) with different thicknesses and carbon contents are prepared via a simple, low cost, scalable, and eco-friendly two-step process. Scanning electron microscopy results show that rGOMs thicken with increasing GO solution concentration. The as-prepared free-standing rGOMs are directly used as anode materials for lithium-ion batteries without conducting additives or binders. The cycling performance and rate capability of the membrane electrodes are investigated and compared, and results indicate that not all of the synthesized rGOM anodes exhibit good lithium storage properties. Only those membranes with a coriaceous structure, approximately 2.5 mu m thickness, and suitable reduction degree present high performance for reversible lithium storage. Reasons for these findings are also provided.
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