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Sandwich-like SnS/Polypyrrole Ultrathin Nanosheets as High-Performance Anode Materials for Li-Ion Batteries
- Liu, Jun, Gu, Mingzhe, Ouyang, Liuzhang, Wang, Hui, Yang, Lichun, Zhu, Min
- ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8502-8510
- ambient temperature, anodes, batteries, nanosheets, polymerization, tin
- Sandwich-like SnS/polypyrrole ultrathin nanosheets were synthesized via a pyrrole reduction and in situ polymerization route, in which room-temperature synthesized ZnSn(OH)₆ microcubes were used as the tin source. As anode materials for Li-ion batteries, they exhibit an extremely high reversible capacity (about 1000 mA h g–¹ at 0.1C), outstanding rate capability (with reversible capabilities of 878, 805, 747, 652, and 576 mA h g–¹ at 0.2C, 0.5C, 1C, 2C, and 5C, respectively), stable cycling performance, and high capacity retention (a high capacity of 703 mA h g–¹ at 1C after long 500 cycles).