Journal
RSC ADVANCES
Volume 6, Issue 82, Pages 78959-78962Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra14072f
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Funding
- National Natural Science Foundation of China [51302079, 21401140]
- Hunan Provincial Innovation Foundation for Postgraduates [521293150]
- Foundation of Introducing Talents to Tianjin Normal University [5RL126]
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Sb/Cu2Sb/C composites are synthesized via a thermolysis approach with copper citrate and antimony acetate as precursors, respectively. The as-synthesized composites display an initial reversible capacity of 602 mA h g(-1) and maintain 461 mA h g(-1) after 60 cycles. The excellent electrochemical performance of the Sb/Cu2Sb/C composites can be ascribed to the presence of Sb/Cu2Sb and amorphous carbon layers. The amorphous carbon layers could prevent the damage of electrodes that resulted from large volume expansion. The Sb/Cu2Sb improves their electronic conductivity.
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