Hollow Nanotubes of N-Doped Carbon on CoS

详细信息    查看全文

• 作者：Dr. Yuming Chen ; Dr. Xiaoyan Li ; Dr. Kyusung Park ; Prof. Limin Zhou ; Prof. Haitao Huang ; Prof. Yiu-Wing Mai and Prof. John B. Goodenough
• 刊名：Angewandte Chemie
• 出版年：2016
• 出版时间：December 19, 2016
• 年：2016
• 卷：128
• 期：51
• 页码：16063-16066
• 全文大小：2654K
• ISSN：1521-3757

文摘

Low-cost, single-step synthesis of hollow nanotubes of N-doped carbon deposited on CoS is enabled by the simultaneous use of three functionalities of polyacrylonitrite (PAN) nanofibers: 1) a substrate for loading active materials, 2) a sacrificial template for creating hollow tubular structures, and 3) a precursor for in situ nitrogen doping. The N-doped carbon in hollow tubes of CoS provides a high-capacity anode of long cycle life for a rechargeable Li-ion or Na-ion battery cell that undergoes the conversion reaction 2 A⁺+2 e⁻+CoS →Co+A₂S with A=Li or Na.