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A highly integrated All-manganese battery with oxide nanoparticles supported on the cathode and anode by super-aligned carbon nanotubes

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Abstract

Herein, we report a novel battery with the characteristics of high energy density, environmental friendliness, low cost, and long life, which is based on a lithium-rich oxide cathode (Li1.2Mn0.6Ni0.2O2, LMN) and a manganese oxide anode (MnO). The lithium-rich oxide with high crystallization was synthesized by controlling the nucleation temperature, and the anode and cathode possessed oxides with nanosized particles that were uniformly dispersed and supported by super-aligned carbon nanotubes (SACNTs) without any binder or current collector. With these fabrications, both LMN and MnO exhibited excellent cyclic stability and rate capability; especially, an initial Coulombic efficiency of 84% and a capacity retention of 85% were achieved for LMN after 200 cycles at 20C. Consequently, the resultant battery delivered an energy density of 411 Wh kg−1 based on the total weight of the anode, cathode, separator, and electrolyte. Most importantly, this battery worked well even when it was bended or twisted; this demonstrated its promising application as a sustainable energy storage device in various fields.

Graphical abstract: A highly integrated All-manganese battery with oxide nanoparticles supported on the cathode and anode by super-aligned carbon nanotubes

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Publication details

The article was received on 27 Nov 2018, accepted on 24 Jan 2019 and first published on 24 Jan 2019


Article type: Paper
DOI: 10.1039/C8TA11415C
Citation: J. Mater. Chem. A, 2019, Advance Article

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    A highly integrated All-manganese battery with oxide nanoparticles supported on the cathode and anode by super-aligned carbon nanotubes

    M. Chen, Z. Pan, X. Jin, Z. Chen, Y. Zhong, X. Wang, Y. Qiu, M. Xu, W. Li and Y. Zhang, J. Mater. Chem. A, 2019, Advance Article , DOI: 10.1039/C8TA11415C

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