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1篇 您的检索式：作者名="Songpu Cheng"

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		题名	作者	年代	出处	被引量
	1	Core-shell structured MoS_2@S spherical cathode with improved electrochemical performance for lithium-sulfur batteries显示文摘To suppress shuttling effect and improve electrochemical performance of the sulfur cathode for lithiumsulfur batteries, core-shell structured MoS_2 @S spherical cathode has been synthesized through a chemical route using MnC03 as template. The MoS_2 shells consist of MoS_2 nanosheets. For comparison, MoS_2/S cathode has also been synthesized through melting and diffusion of sulfur to commercial MoS_2 powders. The electrochemical performance of the MoS_2@S and MoS_2/S cathodes have been evaluated using cyclic voltammetry, discharge/charge cycling, electrochemical impedance spectroscopy coupled with impedance fitting. The electrochemical performance of the MoS_2@S spherical cathode has been much improved compared with that of MoS_2/S. The capacity of the MoS_2@S spheres can reach 1185.7 mAhg-1 at 0.2 C and 955.1 mAhg^(-1) at 1 C with initial-cycle coulombic efficiency of 90%. The capacity fading of each cycle is 0.1 % during 200 lithiation/delithiation cycles. The MoS_2@S spherical cathode with high cyclic capacity and stability is promising cathode candidate for lithium-sulfur batteries.	Songpu Cheng Xiaohong Xia Hongbo Liu Yuxi Chen	2018	Journal of Materials Science & Technology2018，34，10：	5

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