High-discharge-voltage lithium-rich layered-oxide cathode materials based on low oxygen vacancy

Bin Zhang; Lve Wang; Fan Bai; Peng Xiao; Biao Zhang; Xu Chen; Jie Sun; Wensheng Yang

doi:10.1039/c9dt00193j

High-discharge-voltage lithium-rich layered-oxide cathode materials based on low oxygen vacancy

Dalton Trans. 2019 Mar 14;48(10):3209-3213. doi: 10.1039/c9dt00193j. Epub 2019 Feb 20.

Authors

Bin Zhang¹, Lve Wang, Fan Bai, Peng Xiao, Biao Zhang, Xu Chen, Jie Sun, Wensheng Yang

Affiliation

¹ State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China. yangws@mail.buct.edu.cn.

PMID: 30785159
DOI: 10.1039/c9dt00193j

Abstract

We prepare the lithium-rich layered oxide Li_1.2Mn_0.54Co_0.13Ni_0.13O₂ with a 3.65 V average-discharge voltage by using lithiated homologous spinel Li_0.4Mn_0.54Ni_0.13Co_0.13O_1.6 in an O₂ atmosphere. In addition, we discuss how oxygen vacancies affect the discharge voltage.