电化学沉积制备V<sub>2</sub>O<sub>5</sub>薄膜电极的表面结构及储钠性能

李延伟; 李世玉; 谢志平; 姚金环; 姜吉琼; 张灵志

doi:10.11949/j.issn.0438-1157.20160315

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电化学沉积制备V₂O₅薄膜电极的表面结构及储钠性能

表面与界面工程 | 更新时间：2025-12-10

- 电化学沉积制备V₂O₅薄膜电极的表面结构及储钠性能
- Surface morphology and sodium storage performance of V₂O₅ thin film electrode prepared by CTAB assisted electrodeposition
- 化工学报 2016年第11期页码：4771-4778
- 作者机构：
  
  1. 广西电磁化学功能物质重点实验室, 桂林理工大学化学与生物工程学院,广西,桂林,541004
  2. 中国科学院可再生能源重点实验室,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160315
  中图分类号： B43
- 网络首发：2016-11-05，
  
  纸质出版：2016-11-05
- 稿件说明：
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李延伟, 李世玉, 谢志平, 等. 电化学沉积制备V₂O₅薄膜电极的表面结构及储钠性能[J]. 化工学报, 2016,(11):4771-4778. DOI: 10.11949/j.issn.0438-1157.20160315.

LI Yanwei, LI Shiyu, XIE Zhiping, et al. Surface morphology and sodium storage performance of V₂O₅ thin film electrode prepared by CTAB assisted electrodeposition[J]. CIESC Journal, 2016, (11): 4771-4778. DOI: 10.11949/j.issn.0438-1157.20160315.
李延伟, 李世玉, 谢志平, 等. 电化学沉积制备V₂O₅薄膜电极的表面结构及储钠性能[J]. 化工学报, 2016,(11):4771-4778. DOI: 10.11949/j.issn.0438-1157.20160315. DOI：

LI Yanwei, LI Shiyu, XIE Zhiping, et al. Surface morphology and sodium storage performance of V₂O₅ thin film electrode prepared by CTAB assisted electrodeposition[J]. CIESC Journal, 2016, (11): 4771-4778. DOI: 10.11949/j.issn.0438-1157.20160315. DOI：

摘要

以含有CTAB的V2O5溶胶为电解液，采用电沉积法在不锈钢基体上沉积V2O5薄膜前体，经300℃烧结处理后制备了无黏结剂和导电剂的V2O5纳米薄膜电极。XRD测试表明该方法制备的V2O5薄膜是含水相的V2O5·nH2O，与未添加CTAB制备的薄膜相比，其层间距明显变大。FESEM和AFM测试发现CTAB辅助电沉积制备的V2O5薄膜具有粗糙多孔的表面形貌；XPS测试表明CTAB辅助电沉积制备的V2O5薄膜中含有更多的低价钒离子（V4+）。电化学测试发现该方法制备的V2O5薄膜具有优异的嵌/脱Na+循环稳定性；与未添加CTAB制备的薄膜相比，CTAB辅助电沉积制备的V2O5薄膜具有更好的电化学反应可逆性、更强Na+扩散性能和更高的储钠比容量，是一种非常有应用前景的钠离子电池正极材料。

Abstract

New V2O5 nanofilm electrodes without binder and conductive agents were fabricated by sintering the V2O5 film precursor at 300℃ on stainless steel substrates

which were coated from CTAB-containing V2O5 sol gel electrolyte by electrodeposition. X-Ray diffraction (XRD) indicated that V2O5 in the new V2O5 film was hydrated V2O5·nH2O and the film had lager interlamellar spacing than V2O5 film prepared without CTAB. Field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM) results showed that the new V2O5 film possessed a rough porous surface morphology. X-Ray photoelectron spectroscopy (XPS) results suggested that the new V2O5 film electrode contained more V4+ than the V2O5 film electrode prepared without CTAB. Electrochemical study demonstrated that the new V2O5 film electrode had excellent Na+ insertion/extraction stability. Compared to the V2O5 film electrode prepared without CTAB

the new V2O5 film electrode exhibited better electrochemical reaction reversibility

enhanced Na+ diffusion performance

and higher sodium storage specific capacity

which could be a very promising cathode material for sodium ion batteries.

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电化学沉积制备V2O5薄膜电极的表面结构及储钠性能

Surface morphology and sodium storage performance of V2O5 thin film electrode prepared by CTAB assisted electrodeposition

DOI：10.11949/j.issn.0438-1157.20160315

摘要

Abstract

关键词

Keywords

references

电化学沉积制备V₂O₅薄膜电极的表面结构及储钠性能

Surface morphology and sodium storage performance of V₂O₅ thin film electrode prepared by CTAB assisted electrodeposition