Journal of Solid State Electrochemistry

, Volume 23, Issue 3, pp 803–810 | Cite as

Facile synthesis of thin black TiO2 − x nanosheets with enhanced lithium-storage capacity and visible light photocatalytic hydrogen production

  • Lin SunEmail author
  • Jie Xie
  • Qi Li
  • Fei Wang
  • Xinguo Xi
  • Lei Li
  • Jun Wu
  • Rong Shao
  • Zhidong ChenEmail author
Original Paper


In combination of a facile and scalable solvothermal method and solid-phase reduction reactions, a novel two-dimensional black TiO2 − x nanosheet (TiO2 − x NS) with high specific surface area of 108 m2 g−1 and nearly total solar spectral absorption capability have been successfully prepared. With careful characterizations, the novel TiO2 − x NS showed enhanced electrochemical performance and visible-light photocatalytic activity than those of their white TiO2 nanosheet (TiO2 NS) precursors. The black TiO2 − x NS electrode delivered a reversible specific capacity of 160 mA h g−1 even after cycling at 0.5 C (1 C = 190 mA h g−1) for 300 times, which was significantly higher than the corresponding white TiO2 NS electrode (104 mA h g−1). Meanwhile, the TiO2 − x NS also exhibited enhanced ability of visible-light photocatalytic hydrogen production than that of the white TiO2 NS. It is expected that making white TiO2 NS into black ones is an effective way to design the photocatalysts with visible light response and the anodes with long lifetime and high rate performance in lithium ion batteries. The novel black TiO2 − x NS could find potential applications in the field of environmental management and energy storage and conversion.


Solvothermal method Black TiO2 − x nanosheets Photocatalysis Anodes 


Funding information

This work was supported by the Research Fund of the Natural Science Foundation of Jiangsu Province (no. BK20181056), Joint Open of Jiangsu Collaborative Innovation Center for Ecological Building Material and Environmental Protection Equipments and Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province (no. JH201844), State Key Laboratory of Coordination Chemistry (no. SKLCC1802), the National Natural Science Foundation of China (no. 51772258), and the Major Program of Natural Science Research in Colleges and Universities of Jiangsu Province (no. 15KJA430007).

Compliance with ethical standards

Conflict of interest

The authors declare that there are no conflicts of interest.

Supplementary material

10008_2018_4180_MOESM1_ESM.docx (7.9 mb)
ESM 1 (DOCX 8124 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Chemistry and Chemical Engineering, and Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu ProvinceYancheng Institute of TechnologyYanchengPeople’s Republic of China
  2. 2.State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical EngineeringNanjing UniversityNanjingPeople’s Republic of China
  3. 3.School of Petrochemical EngineeringChangzhou UniversityChangzhouPeople’s Republic of China
  4. 4.School of Chemistry and Materials ScienceNanjing Normal UniversityNanjingPeople’s Republic of China

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