SnSe/carbon nanocomposite synthesized by high energy ball milling as an anode material for sodium-ion and lithium-ion batteries. (10th September 2015)

• Record Type: Journal Article
• Authors: Zhang, Zhian; Zhao, Xingxing; Li, Jie
• Is Part Of: Electrochimica acta. Volume 176(2015)
• Page Start: 1296
• Page End: 1301
• Publication Date: 2015-09-10
• Subjects: Sodium-ion batteries -- Lithium-ion batteries -- Anode materials -- Tin selenide; Electrochemistry -- Periodicals; Electrochemistry, Industrial -- Periodicals; 541.37
• DOI: 10.1016/j.electacta.2015.07.140
• Languages: English
• ISSNs: 0013-4686

Abstract

Graphical abstract: A homogeneous nanocomposite of SnSe and carbon black was synthesised by high energy ball milling and empolyed as an anode material for sodium-ion batteries (SIBs) and lithium-ion batteries (LIBs). The nanocomposite anode exhibits excellent electrochemical performances in both SIBs and LIBs. Highlights: A homogeneous nanocomposite of SnSe and carbon black was fabricated by high energy ball milling. SnSe and carbon black are homogeneously mixed at the nanoscale level. The SnSe/C anode exhibits excellent electrochemical performances in both SIBs and LIBs. Abstract: A homogeneous nanocomposite of SnSe and carbon black, denoted as SnSe/C nanocomposite, was fabricated by high energy ball milling and empolyed as a high performance anode material for both sodium-ion batteries and lithium-ion batteries. The X-ray diffraction patterns, scanning electron microscopy and transmission electron microscopy observations confirmed that SnSe in SnSe/C nanocomposite was homogeneously distributed within carbon black. The nanocomposite anode exhibited enhanced electrochemical performances including a high capacity, long cycling behavior and good rate performance in both sodium-ion batteries (SIBs) and lithium-ion batteries (LIBs). In SIBs, an initial capacitiy of 748.5 mAh g −1 was obtained and was maintained well on cycling (324.9 mAh g −1 at a high current density of 500 mA g −1 in the 200 th cycle) with 72.5% retention of second cycle capacity (447.7 mAh g −1 ). In LIBs, high initial capacities of approximately 1097.6 mAh g −1 was obtained, and this reduced to 633.1 mAh g −1 after 100 cycles at 500 mA g −1 .