Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries

Xingmei Guo; Jinfeng Xie; Jing Wang; Shangqing Sun; Feng Zhang; Fu Cao; Yuanjun Liu; Xiangjun Zheng; Junhao Zhang; Qinghong Kong

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Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries

Full Length Article | Updated：2026-01-06

- Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries
- Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries
- 中国化学工程学报（英文版） 2022年52卷第12期页码：88-94
- Affiliations：
  
  1. School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology,Zhenjiang,China,212003
  2. Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province, Yancheng Institute of Technology,Yancheng,China,224051
  3. School of the Environment and Safety Engineering, Jiangsu University,Zhenjiang,China,212013
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2022
- Accepted：
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Xingmei Guo, Jinfeng Xie, Jing Wang, 等. Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries[J]. 中国化学工程学报（英文版）, 2022,52(12):88-94.

Xingmei Guo, Jinfeng Xie, Jing Wang, Shangqing Sun, Feng Zhang, Fu Cao, Yuanjun Liu, Xiangjun Zheng, Junhao Zhang, Qinghong Kong. Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries[J]. Chinese Journal of Chemical Engineering, 2022, 52(12): 88-94.
Xingmei Guo, Jinfeng Xie, Jing Wang, 等. Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries[J]. 中国化学工程学报（英文版）, 2022,52(12):88-94. DOI：

Xingmei Guo, Jinfeng Xie, Jing Wang, Shangqing Sun, Feng Zhang, Fu Cao, Yuanjun Liu, Xiangjun Zheng, Junhao Zhang, Qinghong Kong. Fabricating titanium dioxide/N-doped carbon nanofibers as advanced interlayer for improving cycling reversibility of lithium-sulfur batteries[J]. Chinese Journal of Chemical Engineering, 2022, 52(12): 88-94. DOI：

摘要

Abstract

“Shuttle effect” is detrimental for maintaining the high capacity and cycling reversibility of lithium-sulfur batteries (LSBs). To inhibit polysulfide migration

N-doped carbon nanofibers (N-CNFs) membrane comprising TiO

nanoparticles (TiO

/N-CNFs) is fabricated using an electrospinning-calcination method and further applied as interlayer in LSBs. The TiO

/N-CNFs interlayer helps the battery to deliver a high specific capacity of 1155.2 mA·h·g

-1

at 0.2 C with high Coulombic efficiency

good rate capability and stability. When cycling at 0.5 C

a capacity retention rate of 62.4% is achieved over 300 cycles

which is higher than that of CNFs and TiO

/CNFs counterparts. The excellent performance should mainly be attributed to the alleviated “shuttle effect” deriving from high polysulfide trapping ability of TiO

nanoparticles and N heteroatoms in interwoven CNFs.

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