Abstract

Abstract The GNS/Li 2 SnO 3 /PPY ternary composites were synthesized by a deoxidation technique. The soft polymer matrix and flexible graphene provide a dual buffering structure for Li 2 SnO 3 which synergistic leads to improved stability, enhanced electric conductivity and better electrochemical performance. The GNS/Li 2 SnO 3 /PPY composites tested as anode materials for lithium ion batteries exhibit a high reversible capacity of 699.4 mAh/g over 30 cycles, which is much better than that of pure Li 2 SnO 3 , PPY/Li 2 SnO 3 and GNS/Li 2 SnO 3 composites.

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