Published January 1, 2017
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Fast microwave synthesis of SnO2@graphene/N-doped carbons as anode materials in sodium ion batteries
- 1. Gebze Tech Univ, Inst Nanotechnol, TR-41400 Gebze, Kocaeli, Turkey
Description
Hybrid SnO2@graphene (SG) and SnO2@graphene/N-doped carbon (SGN) structures are synthesized by a fast microwave method and tested as anode materials for Na-ion batteries. In these structures, graphene not only acts as a conducting material but also as supporting material to prevent the volume expansion of the SnO2 nanoparticles. Additional N-doped carbon coating leads to improved electrochemical performances providing better electronic conductivity resulting over 423 mAh/g capacity after 180 cycles at C/5 with SGN, while SG only provides 170 mAh/g capacities. (C) 2017 Elsevier B.V. All rights reserved.
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