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Original Research ARTICLE Provisionally accepted The full-text will be published soon. Notify me

Front. Chem. | doi: 10.3389/fchem.2019.00521

Highly Ordered Mesoporous NiCo2O4 as a High Performance Anode Material for Li-ion Batteries

 Guangyu Wu1*,  Qilong Ren2,  Weinan Xing1, Jiangang Han1, Pingping Li1,  Junye Cheng3, Shuilin Wu4,  Rujia Zou2 and Junqing Hu2
  • 1College of Biology and the Environment, Nanjing Forestry University, China
  • 2College of Materials Science and Engineering, Donghua University, China
  • 3Shanghai Ninth People’s Hospital, Shanghai Jiao-Tong University School of Medicine, China
  • 4Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong

The controlled synthesis of highly ordered mesoporous structure has attracted considerable attentionin the field of electrochemistry because of high specific surface areawhich can contribute the transportation of ions. Herein, a general nano-casting approach is proposed for synthesizing highly ordered mesoporous NiCo2O4 microspheres. The as-synthesized mesoporous NiCo2O4 microsphere materials with high Brunner-Emmett-Teller (BET) surface area (~97.77 m2g-1) and uniform pore size distribution around 4 nm exhibited a high initial discharge capacity of ~1467 mAhg-1, a good rate capability as well as cycling stability. The superior electrochemical performance was mainly because of its highly porous nature of NiCo2O4, which rendered volume expansion during the process of cycling and shortened lithium-ions transport pathways. These properties showcase the inherent potential for use of highly ordered mesoporous NiCo2O4 microspheres as a potential anode materials for lithium-ion batteries in the future.

Keywords: Highly ordered, mesoporous, NiCo2O4, lithium-ion batteries, Nano-casting

Received: 20 Jun 2019; Accepted: 08 Jul 2019.

Edited by:

Min Zeng, Lanzhou Institute of Chemical Physics (CAS), China

Reviewed by:

Hui Yang, Jiangxi University of Science and Technology, China
Ming Ma, Shanghai Institute of Ceramics (CAS), China  

Copyright: © 2019 Wu, Ren, Xing, Han, Li, Cheng, Wu, Zou and Hu. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Dr. Guangyu Wu, College of Biology and the Environment, Nanjing Forestry University, Nanjing, Jiangsu Province, China, gywuchem@163.com