自然科学版 英文版
自然科学版 英文版
自然科学版 英文版

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中南大学学报(英文版)

Journal of Central South University

Vol. 26    No. 6    June 2019

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Facile synthesis of hierarchically structured manganese oxides as anode for lithium-ion batteries
DENG Zhao(邓兆)1, HUANG Xing(黄兴)1, ZHAO Xu(赵煦)2, CHENG Hua(程化)3, WANG Hong-en(王洪恩)1

1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology, Wuhan 430070, China;
2. Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China;
3. Department of Materials Science and Technology, Southern University of Science and Technology, Shenzhen 518055, China

Abstract:Developing high-performance lithium ion batteries (LIBs) using manganese oxides as anodes is attractive due to their high theoretical capacity and abundant resources. Herein, we report a facile synthesis of hierarchical spherical MnO2 containing coherent amorphous/crystalline domained by a simple yet effective redox precipitation reaction at room temperature. Further, flower-like CoMn2O4 constructed by single-crystalline spinel nanosheets has been fabricated using MnO2 as precursor. This mild methodology avoids undesired particle aggregation and loss of active surface area in conventional hydrothermal or solid-state processes. Moreover, both MnO2 and CoMn2O4 nanosheets manifest superior lithium-ion storage properties, rendering them promising applications in LIBs and other energy-related fields.

 

Key words: manganese oxides; nanostructures; anode materials; lithium ion batteries; electrochemistry

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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