2D Space-Confined Synthesis of Few-Layer MoS2 Anchored on Carbon Nanosheet for Lithium-Ion Battery Anode

ACS Nano
Jingwen ZhouChunnian He

Abstract

A facile and scalable 2D spatial confinement strategy is developed for in situ synthesizing highly crystalline MoS2 nanosheets with few layers (≤5 layers) anchored on 3D porous carbon nanosheet networks (3D FL-MoS2@PCNNs) as lithium-ion battery anode. During the synthesis, 3D self-assembly of cubic NaCl particles is adopted to not only serve as a template to direct the growth of 3D porous carbon nanosheet networks, but also create a 2D-confined space to achieve the construction of few-layer MoS2 nanosheets robustly lain on the surface of carbon nanosheet walls. In the resulting 3D architecture, the intimate contact between the surfaces of MoS2 and carbon nanosheets can effectively avoid the aggregation and restacking of MoS2 as well as remarkably enhance the structural integrity of the electrode, while the conductive matrix of 3D porous carbon nanosheet networks can ensure fast transport of both electrons and ions in the whole electrode. As a result, this unique 3D architecture manifests an outstanding long-life cycling capability at high rates, namely, a specific capacity as large as 709 mAh g(-1) is delivered at 2 A g(-1) and maintains ∼95.2% even after 520 deep charge/discharge cycles. Apart from promising lithium-ion batter...Continue Reading

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Citations

Oct 28, 2015·Nanoscale·Wensi ZhangGang Wei
Jul 16, 2016·ACS Applied Materials & Interfaces·Site LiWenjun Wang
Nov 8, 2016·Chemistry of Materials : a Publication of the American Chemical Society·Chandramohan GeorgeMichael De Volder
Jan 10, 2017·Advanced Materials·Zongnan DengChunzhong Li
Jan 13, 2017·Chemistry : a European Journal·Shouzhi WangXiaopeng Hao
Apr 8, 2017·ACS Applied Materials & Interfaces·Yoon MyungParag Banerjee
Jun 18, 2017·Chemistry : a European Journal·Ye YaoGang Chen
May 10, 2019·Advanced Materials·Madeline S StarkScott C Warren

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