10 mu m-thick MoO3-coated TiO2 nanotubes as a volume expansion regulated binder-free anode for lithium ion batteries

Heo Bumgi; Ha Jaeyun; Kim Yong-Tae; Choi Jinsub

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10 mu m-thick MoO3-coated TiO2 nanotubes as a volume expansion regulated binder-free anode for lithium ion batteries

机译：10μm厚的MOO3涂覆的TiO2纳米管作为锂离子电池的体积膨胀调节粘合剂无阳极

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In this study, 10 mu m-thick TiO2 nanotube arrays (TNAs) coated with a MoO3 layer were prepared by electrochemical oxidation on titanium foil followed by successive cyclic voltammetric deposition, aiming at the fabrication of a thick binder-free anode with high capacity and good cycling stability for lithium ion batteries (LIBs). Through the evaluation of the electrochemical performance of electrodes prepared under various conditions, the electrode obtained at a precursor concentration of 5 mM showed the best electrochemical performance, exhibiting high reversible capacity and enhanced cycling stability. With the structural advantage and intrinsic characteristics of TNAs, the large volume expansion of MoO3 is successfully accommodated, resulting in 97% retention at a rate of 5 C over 500 cycles and 91% retention even at a high rate of 25 C. (C) 2021 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

机译：在本研究中，通过在钛箔上进行电化学氧化，然后连续循环伏安沉积，制备了涂有MoO3层的10μm厚TiO2纳米管阵列（TNA），旨在制备具有高容量和良好循环稳定性的锂离子电池（LIB）厚无粘结剂阳极。通过对在各种条件下制备的电极的电化学性能的评估，在前体浓度为5 mM时获得的电极显示出最佳的电化学性能，表现出高可逆容量和增强的循环稳定性。随着TnAs的结构优势和内在特性，成功地容纳了MOO3的大体积膨胀，导致97%的保持率在5 C以上，在500次循环中保持率为91%，甚至保持在25℃的高保持率（C）2021，韩国工业和工程化学学会。由爱思唯尔B.V.出版。版权所有。

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《Journal of industrial and engineering chemistry》 |2021年第1期|共7页
作者
Heo Bumgi; Ha Jaeyun; Kim Yong-Tae; Choi Jinsub;
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作者单位

Inha Univ Dept Chem &

Chem Engn Incheon 22212 South Korea;

Inha Univ Dept Chem &

Chem Engn Incheon 22212 South Korea;

Inha Univ Dept Chem &

Chem Engn Incheon 22212 South Korea;

Inha Univ Dept Chem &

Chem Engn Incheon 22212 South Korea;

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原文格式 PDF
正文语种 eng
中图分类化学工业;
关键词
Anodization; TiO2 nanotube; Cyclic voltammetry; MoO3; Lithium ion battery;

机译：None;

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10 mu m-thick MoO3-coated TiO2 nanotubes as a volume expansion regulated binder-free anode for lithium ion batteries

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