Scalable Synthesis of Few-Layer MoS2 Incorporated into Hierarchical Porous Carbon Nanosheets for High-Performance Li- and Na-Ion Battery Anodes

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• 作者：Seung-Keun Park ; Jeongyeon Lee ; Sungyool Bong ; Byungchul Jang ; Kwang-dong Seong ; Yuanzhe Piao
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2016
• 出版时间：August 3, 2016
• 年：2016
• 卷：8
• 期：30
• 页码：19456-19465
• 全文大小：736K
• 年卷期：0
• ISSN：1944-8252

文摘

It is still a challenging task to develop a facile and scalable process to synthesize porous hybrid materials with high electrochemical performance. Herein, a scalable strategy is developed for the synthesis of few-layer MoS<sub>2sub> incorporated into hierarchical porous carbon (MHPC) nanosheet composites as anode materials for both Li- (LIB) and Na-ion battery (SIB). An inexpensive oleylamine (OA) is introduced to not only serve as a hinder the stacking of MoS<sub>2sub> nanosheets but also to provide a conductive carbon, allowing large scale production. In addition, a SiO<sub>2sub> template is adopted to direct the growth of both carbon and MoS<sub>2sub> nanosheets, resulting in the formation of hierarchical porous structures with interconnected networks. Due to these unique features, the as-obtained MHPC shows substantial reversible capacity and very long cycling performance when used as an anode material for LIBs and SIBs, even at high current density. Indeed, this material delivers reversible capacities of 732 and 280 mA h g<sup>–1sup> after 300 cycles at 1 A g<sup>–1sup> in LIBs and SIBs, respectively. The results suggest that these MHPC composites also have tremendous potential for applications in other fields.