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New high-performance anode material for Na-ion batteries

A team from the University of Technology, Sydney (Australia) and Gyeongsang National University (S. Korea) have developed SnO2@graphene nanocomposites for use as anodes in sodium-ion (Na-ion) batteries. The nanocomposite exhibited a high reversible sodium storage capacity of above 700 mAh g-1 and excellent cyclability, which the researchers ascribed to the 3D architecture of the SnO2@graphene nanocomposite.

The material also demonstrated a good high rate capability for reversible sodium storage.

To the best of our knowledge, this is the best performance among all reported anode materials for Na-ion batteries.

—Su et al.

Their paper is published in the RSC journal Chemical Communications.

Resources

  • Dawei Su, Hyo-Jun Ahn and Guoxiu Wang (2013) SnO2@graphene Nanocomposites as Anode Materials for Na-ion Battery with Superior Electrochemical Performance. Chem. Commun. doi: 10.1039/C3CC40448J

Comments

kelly

"The nanocomposite exhibited a high reversible sodium storage capacity of above 700 mAh g-1 and excellent cyclability"

Isn't the Na-ion battery usually ~70 mAh g-1 ?

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