TY - JOUR
T1 - Hydrothermal derived Li 2 SnO 3 /C composite as negative electrode materials for lithium-ion batteries
AU - Wang, Qiufen
AU - Huang, Ying
AU - Miao, Juan
AU - Wang, Yan
AU - Zhao, Yang
PY - 2012/7/1
Y1 - 2012/7/1
N2 - Composite Li 2 SnO 3 /C with good cycle performance for lithium-ion batteries was synthesized by a hydrothermal route. The structure, morphology and electrochemical properties of the as-prepared materials were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), thermal gravimetric analysis (TGA) and electrochemical measurements. Results show that the length of the Li 2 SnO 3 nanorods are in the range of 40-60 nm while the average diameter is approximately 30 nm. Amorphous carbons are distributed among the Li 2 SnO 3 nanoparticles. The first discharge-charge capacities of Li 2 SnO 3 /C are 2045.8 mAh g -1 and 1756.6 mAh g -1 . After the 50th cycles, the capacity retained is 598.3 mAh g -1 at a constant current density of 60 mA g -1 in the voltage range of 0.05-2.0 V. The composite Li 2 SnO 3 /C exhibits a better electrochemical property than Li 2 SnO 3 .
AB - Composite Li 2 SnO 3 /C with good cycle performance for lithium-ion batteries was synthesized by a hydrothermal route. The structure, morphology and electrochemical properties of the as-prepared materials were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), thermal gravimetric analysis (TGA) and electrochemical measurements. Results show that the length of the Li 2 SnO 3 nanorods are in the range of 40-60 nm while the average diameter is approximately 30 nm. Amorphous carbons are distributed among the Li 2 SnO 3 nanoparticles. The first discharge-charge capacities of Li 2 SnO 3 /C are 2045.8 mAh g -1 and 1756.6 mAh g -1 . After the 50th cycles, the capacity retained is 598.3 mAh g -1 at a constant current density of 60 mA g -1 in the voltage range of 0.05-2.0 V. The composite Li 2 SnO 3 /C exhibits a better electrochemical property than Li 2 SnO 3 .
KW - Electrochemical properties
KW - Hydrothermal route
KW - Lithium-ion batteries
UR - http://www.scopus.com/inward/record.url?scp=84861099684&partnerID=8YFLogxK
U2 - 10.1016/j.apsusc.2012.03.136
DO - 10.1016/j.apsusc.2012.03.136
M3 - 文章
AN - SCOPUS:84861099684
SN - 0169-4332
VL - 258
SP - 6923
EP - 6929
JO - Applied Surface Science
JF - Applied Surface Science
IS - 18
ER -
