Ultrahigh rate capability and long cycling stability of dual-ion batteries enabled by TiO2 microspheres with abundant oxygen vacancies

Tong Mu; Jiguang Zhang; Rui Shi; Yunfeng Zhu; Jinglian Zhu; Yana Liu; Yao Zhang; Liquan Li

doi:10.1039/d0cc03099f

Ultrahigh rate capability and long cycling stability of dual-ion batteries enabled by TiO₂ microspheres with abundant oxygen vacancies

Chem Commun (Camb). 2020 Jul 21;56(58):8039-8042. doi: 10.1039/d0cc03099f.

Authors

Tong Mu¹, Jiguang Zhang¹, Rui Shi¹, Yunfeng Zhu¹, Jinglian Zhu¹, Yana Liu¹, Yao Zhang², Liquan Li¹

Affiliations

¹ College of Materials Science and Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China. zhangjiguang@njtech.edu.cn yfzhu@njtech.edu.cn and Jiangsu Collaborative Innovation Centre for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 211816, P. R. China.
² School of Materials Science and Engineering, Southeast University, Nanjing 211189, P. R. China.

PMID: 32538408
DOI: 10.1039/d0cc03099f

Abstract

Favourable effects of oxygen vacancies in TiO2-x synthesized via a calcination method on the electrochemical performance of dual Mg/Li-ion batteries are investigated. The dual-ion cell shows excellent rate capabilities up to 40 C and outstanding cyclability up to 2500 cycles.