Thursday, August 01, 2013

Binder-free graphene foams for O2 electrodes of Li-O2 batteries

Nanoscale , 2013, Accepted Manuscript

DOI: 10.1039/C3NR03321J, Paper

Qingyu Yan, Wenyu Zhang, Jixin Zhu, Hui Xiang Ang, Yi Zeng, Ni Xiao, Yiben Gao, Weiling Liu, Huey Hoon Hng

Few-layer V2O5 nanosheets with a thickness of 2.1-3.8 nm has been successfully synthesized in this work via a simple and scalable liquid exfoliation technique. The unique nanostructure allows the high-rate transportation of lithium ions and electrons due to very short diffusion paths though the thickness, resulting in Li-ion cathodes with remarkable energy and power densities.

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