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Published on: May 13, 2013
An Sn doped 1T-2H MoS2 few-layer structure embedded in N/P co-doped bio-carbon for high performance sodium-ion
Lingxing Zeng1, Fenqiang Luo2, Xinshu Xia2
1Engineering Research Center of Polymer Green Recycling of Ministry of Education, College of Environmental Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China. qrqian@fjnu.edu.cn cqhuar@126.com and Fujian Key Laboratory of Pollution Control & Resource Reuse, Fuzhou, Fujian 350007, China and Chemistry Post-Doctoral Station, Fujian Normal University, Fuzhou, Fujian 35007, China.
Abstract:
A facile method for fabricating Sn doped 1T-2H MoS2 embedded in N/P co-doped bio-carbon is developed using natural chlorella as an adsorbent and a nanoreactor. When used as an anode for sodium-ion batteries, it delivers an excellent rate performance (167 mA h g-1 at 15 A g-1), high capacity (533 mA h g-1 after 50 cycles at 0.1 A g-1), and superior long-term cycling stability (320 mA h g-1 after 500 cycles at 1 A g-1) which are attributed to the synergistic effects of few-layer 1T-2H MoS2 moderate Sn doping and the N/P co-doped bio-carbon.
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