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- Title
Synthesis of One-Dimensional Copper Sulfide Nanorods as High-Performance Anode in Lithium Ion Batteries.
- Authors
Li, Xue; He, Xinyi; Shi, Chunmei; Liu, Bo; Zhang, Yiyong; Wu, Shunqing; Zhu, Zizong; Zhao, Jinbao
- Abstract
Nanorod-like CuS and Cu2S have been fabricated by a hydrothermal approach without using any surfactant and template. The electrochemical behavior of CuS and Cu2S nanorod anodes for lithium-ion batteries reveal that they exhibit stable lithium-ion insertion/extraction reversibility and outstanding rate capability. Both of the electrodes exhibit excellent capacity retentions irrespective of the rate used, even at a high current density of 3200 mA g−1. More than 370 mAh g−1 can be retained for the CuS electrode and 260 mAh g−1 for the Cu2S electrode at the high current rate. After 100 cycles at 100 mA g−1, the obtained CuS and Cu2S electrodes show discharge capacities of 472 and 313 mAh g−1 with retentions of 92 % and 96 %, respectively. Together with the simplicity of fabrication and good electrochemical properties, CuS and Cu2S nanorods are promising anode materials for practical use the next-generation lithium-ion batteries.
- Subjects
NANORODS; SURFACE active agents; ELECTROCHEMICAL research; ANODES
- Publication
ChemSusChem, 2014, Vol 7, Issue 12, p3328
- ISSN
1864-5631
- Publication type
Article
- DOI
10.1002/cssc.201402862