Pseudocapacitive Behaviors of Li2FeTiO4/C Hybrid Porous Nanotubes for Novel Lithium-Ion Battery Anodes with Superior Performances

Yakun Tang; Lang Liu; Hongyang Zhao; Yue Zhang; Ling Bing Kong; Shasha Gao; Xiaohui Li; Lei Wang; Dianzeng Jia

doi:10.1021/acsami.8b04418

Pseudocapacitive Behaviors of Li₂FeTiO₄/C Hybrid Porous Nanotubes for Novel Lithium-Ion Battery Anodes with Superior Performances

ACS Appl Mater Interfaces. 2018 Jun 20;10(24):20225-20230. doi: 10.1021/acsami.8b04418. Epub 2018 Jun 6.

Authors

Yakun Tang¹, Lang Liu¹, Hongyang Zhao¹, Yue Zhang¹, Ling Bing Kong², Shasha Gao¹, Xiaohui Li¹, Lei Wang¹, Dianzeng Jia¹

Affiliations

¹ Key Laboratory of Energy Materials Chemistry, Ministry of Education, Institute of Applied Chemistry , Xinjiang University , Urumqi , Xinjiang 830046 , China.
² School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore.

PMID: 29873478
DOI: 10.1021/acsami.8b04418

Abstract

Hybrid nanotubes of cation disordered rock salt structured Li₂FeTiO₄ nanoparticles embedded in porous CNTs were developed. Such unique hybrids with continuous 3D electron transportation paths and isolated small particles have been shown to be an ideal architecture that brought out enhanced electrochemical performances. Meanwhile, they exhibited improved extrinsic capacitive characteristics. In addition, we demonstrate a successful example to use cathode active material as anode for lithium-ion batteries (LIBs). More importantly, our hybrids had much superior electrochemical performances than most of the reported Li₄Ti₅O₁₂-based nanocomposites. Therefore, it is concluded that Li₂FeTiO₄ can be a prospective anode material for LIBs.

Keywords: Li2FeTiO4; anodes; hybrid porous CNTs; lithium-ion batteries; pseudocapacitive.