KVPO4F as a novel insertion-type anode for potassium ion batteries

Hong Tan; Xiaoqiong Du; Jian-Qiu Huang; Biao Zhang

doi:10.1039/c9cc05368a

KVPO₄F as a novel insertion-type anode for potassium ion batteries

Chem Commun (Camb). 2019 Sep 17;55(75):11311-11314. doi: 10.1039/c9cc05368a.

Authors

Hong Tan¹, Xiaoqiong Du, Jian-Qiu Huang, Biao Zhang

Affiliation

¹ Department of Applied Physics, the Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China. biao.ap.zhang@polyu.edu.hk.

PMID: 31478553
DOI: 10.1039/c9cc05368a

Abstract

KVPO4F is found to be capable of both accepting and donating K ions. As an anode, it delivers a reversible capacity of over 100 mA h g-1 with an average potential of 1.15 V vs. K+/K. The anode is also able to work in a wide temperature range of 0-55 °C.