Hydrothermal synthesis of porous hydrangea-like MnCo2O4 as anode materials for high performance lithium ion batteries

Porous hydrangea-like MnCo2O4 (h-MCO) have been prepared by simple hydrothermal and calcination methods. The stable three-dimensional (3D) structure, large specific surface area and mesoporous properties make it a huge potentiality for Li-ion batteries (LIBs) anode compared with rod-shaped MnCo2O4 (...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2019-10, Vol.851, p.113455, Article 113455
Main Authors: Xu, Hongmei, Shen, Haijing, Song, Xiaolan, Kong, Xiaodong, Zhang, Ying, Qin, Zhenzhen
Format: Article
Language:English
Subjects:
Anodes
Cycles
Dimensional stability
Discharge
Electrode materials
Hydrothermal
Li-ion battery
Lithium
Lithium-ion batteries
Micro/nano porous structure
MnCo2O4
Rechargeable batteries
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Summary:Porous hydrangea-like MnCo2O4 (h-MCO) have been prepared by simple hydrothermal and calcination methods. The stable three-dimensional (3D) structure, large specific surface area and mesoporous properties make it a huge potentiality for Li-ion batteries (LIBs) anode compared with rod-shaped MnCo2O4 (r-MCO). The discharge specific capacity of h-MCO maintained at 930 Ah/kg over 100 cycles at 0.1 A/g. Even cycling over 600 times at 1 A/g, the discharge capacity was still 678 Ah/kg, performing a good cycling performance. When the current densities gradually increased from 0.1 to 2 A/g, the average discharge capacity of h-MCO kept 1255, 1092, 969, 851, 717 and 566 Ah/kg, showing a good rate performance and promising prospects for LIBs.
ISSN:1572-6657
1873-2569
DOI:10.1016/j.jelechem.2019.113455