| Title | The Recovery of the Waste Cigarette Butts for N-Doped Carbon Anode in Lithium Ion Battery |
|---|---|
| ID_Doc | 13896 |
| Authors | Yu, CY; Hou, HY; Liu, XX; Han, LN; Yao, Y; Dai, ZP; Li, DD |
| Title | The Recovery of the Waste Cigarette Butts for N-Doped Carbon Anode in Lithium Ion Battery |
| Year | 2018 |
| Published | |
| Abstract | As one of the common life garbages, about 4.5 trillion waste cigarette butts are produced and randomly discarded every year due to the addiction to the nicotine and the need of the social intercourse. Such a treatment would result in the waste of the resources and the environmental pollution if they weren't reasonably recycled in time. Herein, the waste cigarette butts were recycled in form of N-doped carbon powders with high economic value-added via one-step facile carbonization at 800 degrees C for 2 h in the inert N-2 atmosphere. The waste-cigarette-butts-derived black carbon powders were characterized by scanning electron microscope (SEM), N-2 adsorption/desorption, and X-ray photoelectron spectroscopy (XPS). Furthermore, the corresponding electrochemical performances as the anode in lithium ion battery (LIB) were also investigated by galvanostatic charge/discharge, cyclic voltammetry (CV), and alternating current (AC) impedance. The results suggested that the recycled N-doped waste cigarette butts carbon (WCBC) powders consisted of major carbon and minor residual N-containing and O-containing functional groups, and the corresponding specific surface area was about 1,285 m(2).g(-1). Furthermore, the reversible specific discharge capacity was about 528 mAh.g(-1) for 100 cycles at 25 mA.g(-1) and about 151 mAh.g(-1) even at 2,000 mA.g(-1) for 2,500 cycles. Additionally, full cell performances were also satisfactory, indicating high feasibility. N-doping effect (such as additional active sites and higher electronic conductivity) and the residual O-containing functional groups may be responsible for the satisfactory electrochemical performances, which offered good inspiration and strategy to develop the green energy and circular economy. |
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