Vacancy-rich Al-doped MnO<sub>2</sub> cathodes break the trade-off between kinetics and stability for high-performance aqueous Zn-ion batteries

Authors: Yajun Zhao, Shuoxiao Zhang, Yangyang Zhang, Jinrui Liang, Longtao Ren, Hong Jin Fan, Wen Liu, Xiaoming Sun

Published: 2023-11-22

DOI: 10.1039/d3ee01659e

Source: Full article

Abstract

A novel vacancy-rich, Al-doped MnO2 cathode is proposed for AZIBs, showcasing 3D ion diffusion channels and excellent structural stability. It overcomes the trade-off between electrode kinetics and stability, delivering impressive rate performance and outstanding capacity retention.