Dislocation and oxygen-release driven delithiation in Li2MnO3

Kei Nakayama; Ryo Ishikawa; Shunsuke Kobayashi; Naoya Shibata; Yuichi Ikuhara

doi:10.1038/s41467-020-18285-z

Nature Communications (Sep 2020)

Dislocation and oxygen-release driven delithiation in Li2MnO3

Kei Nakayama,
Ryo Ishikawa,
Shunsuke Kobayashi,
Naoya Shibata,
Yuichi Ikuhara

Affiliations

Kei Nakayama: Institute of Engineering Innovation, University of Tokyo
Ryo Ishikawa: Institute of Engineering Innovation, University of Tokyo
Shunsuke Kobayashi: Nanostructures Research Laboratory, Japan Fine Ceramics Center
Naoya Shibata: Institute of Engineering Innovation, University of Tokyo
Yuichi Ikuhara: Institute of Engineering Innovation, University of Tokyo

DOI: https://doi.org/10.1038/s41467-020-18285-z
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 7

Abstract

Read online

The delithiation process in lithium excess cathode material of Li2MnO3 has remained unclear. Here, the authors report that delithiation is governed by the climb motion of dislocations with the aid of oxygen-release, determined directly by atomic-resolution STEM imaging and spectroscopy.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

About the journal