@article{Yang2022, 
author = {Le Yang and Jinfeng Zeng and Lei Zhou and Ruiwen Shao and Wellars Utetiwabo and Muhammad Khurram Tufail and Saisai Wang and Wen Yang and Jiatao Zhang},
title = {Orderly defective superstructure for enhanced pseudocapacitive storage in titanium niobium oxide},
year = {2022},
journal = {Nano Research},
volume = {15},
number = {2},
pages = {1570-1578},
keywords = {pseudocapacitance, Ti2Nb10O29, in-situ gas reduction, ordered defect, lithium-ion hybrid capacitor},
url = {https://www.sciopen.com/article/10.1007/s12274-021-3703-6},
doi = {10.1007/s12274-021-3703-6},
abstract = {Artificial defect engineering in transition metal oxides is of important terms for numerous applications. In the present work, we proposed an in-situ gas reduction strategy to introduce ordered defects into titanium niobium oxide embedding on vapor grew carbon fibers (Ti2Nb10O29–x@VGCFs). High-resolution transmission electron microscopy (HRTEM) and fast Fourier transform (FFT) simulation indicate that the ordered oxygen defects locate at interval layers, which leads to a new superstructure in Ti2Nb10O29. The ordered defects could provide extra active sites for lithium-ion storage and modulate ionic migration, resulting an enhanced pseudocapacitive performance. In addition, the excellent structural stability of the superstructure was proved by in-situ HRTEM under a harsh electrochemical process. Our work provides a directly observation of orderly defective superstructure in transition metal oxide, and its functionality on electrochemistry was revealed.}
}