SnCo–CMK nanocomposite with improved electrochemical performance for lithium-ion batteries
作者： Lingxing Zeng , Cuilin Deng , Cheng Zheng , Heyuan Qiu , Qingrong Qian
DOI: 10.1016/J.MATERRESBULL.2015.07.004
关键词:
摘要: Abstract In the present work, SnCo–CMK nanocomposite was successfully synthesized for first time via a simple nanocasting route by using mesoporous carbon as nano-reactor. The then characterized means of X-ray diffraction (XRD), thermogravimetric analysis (TG), N2 adsorption–desorption, scanning and transmission electron microscopy (SEM/TEM) respectively. Furthermore, exhibited large reversible capacities, excellent cycling stability enhanced rate capability when employed an anode material lithium-ion batteries. A capacity 562 mA h g−1 obtained after 60 cycles at current density 0.1 A g−1 which is attributed to structure ‘meso-nano’ composite. This unique ensures intimate contact between CMK SnCo nanoparticles, buffers volume expansion prevents aggregation nanoparticles during cycling, leading capability.
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