Controllable growth of MnOₓ dual-nanocrystals on N-doped graphene as lithium-ion battery anode
2017
Li, Zhongtao | Wang, Yuankun | Chen, Yan | Wu, Mingbo
Nanocomposites containing Mn₃O₄ and MnOOH dual-nanocrystals on N-doped graphene sheets were prepared using a solvothermal method. Nanostructure and rate of dual-nanocrystals in the composites can be adjusted, having effects on their electrochemical performance. The nanohybrid NG-36 is composed of 1D MnOOH nanowires, Mn₃O₄ nanotetragonals and electroconductive N-doped graphene matrix. Experimental data for NG-36 reveals a high rechargeable specific capacity of 341.5 mA h g⁻¹ at a current density 3 A g⁻¹ after 500 cycles, resulting from synergetic effects among the components.
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