A high-capacity dual core-shell structured MWCNTs@S@PPy nanocomposite anode for advanced aqueous rechargeable lithium batteries

作者：Wu, Xiongwei; Yuan, Xinhai; Yu, Jingang; Liu, Jun; Wang, Faxing; Fu, Lijun; Zhou, Wenxin; Zhu, Yusong^*; Zhou, Qingming^*; Wu, Yuping^*

来源：Nanoscale, 2017, 9(31): 11004-11011.

DOI：10.1039/c7nr03602g

• ELECTRODE MATERIALS
• CATHODE MATERIAL
• SULFUR CATHODE
• ELECTROCHEMICAL PERFORMANCE
• HYBRID NANOSTRUCTURES
• ION BATTERIES
• CARBON
• GRAPHENE
• BEHAVIOR
• NANOPARTICLES

Anode materials with high capacity for aqueous rechargeable lithium batteries (ARLBs) are very rarely reported. Here we found that a dual core-shell structured MWCNTs@S@PPy nanocomposite prepared by us shows excellent electrochemical performance. Its initial discharge capacity in a saturated LiAc aqueous electrolyte is very high, which is up to 481 mA h g(-1) based on the weight of the composite and 879 mA h g(-1) based on the sulfur content. It shows excellent rate capability. When nanotube LiMn2O4 is used as a cathode, the assembled ARLB can deliver an energy density of 110 Wh kg(-1) based on two electrodes and show excellent cycling. These results show great promise for the practical application of ARLBs.

• 出版日期2017-8-21
• 单位湖南农业大学; 复旦大学; 中南大学