期刊
MATERIALS RESEARCH EXPRESS
卷 5, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/aaca07
关键词
li ion battery; nanoribbons; SnO2
Here, SnO2 nanoribbons (NRs) synthetized on the catalyst-free stainless steel (SS) substrate as a possible anode for Li-ion batteries (LIBs) have been reported. SnO2 NRs were synthesized on catalyst-free SS substrate via vapor-solid (VS) growth approach. Morphological and structural characterizations of the SnO2 NRs were confirmed using scanning electron microscopy (SEM), transmission electron microscopy (TEM) microscopes and x-ray diffraction (XRD) respectively. The prepared binder-free electrode demonstrated high initial discharge/charge capacities of 1818/929 mAh g(-1) at current density of 300 mA g(-1). A reversible capacity of 676 mAh g(-1) with a coulombic efficiency of 98.5% has been achieved after 20 cycles. High specific capacity, superior rate capability and good cycling performance resulting from the SnO2 NRs electrode propose this nanostructure as an excellent anode for advanced LIBs.U
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