Elucidation of the surface characteristics and electrochemistry of high-performance LiNiO2

Jing Xu; Feng Lin; Dennis Nordlund; Ethan J. Crumlin; Feng Wang; Jianming Bai; Marca M. Doeff; Wei Tong

doi:10.1039/C5CC09434H

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Elucidation of the surface characteristics and electrochemistry of high-performance LiNiO₂†

Jing Xu,^a Feng Lin,^a Dennis Nordlund,^b Ethan J. Crumlin,^c Feng Wang,^d Jianming Bai,^e Marca M. Doeff^a and Wei Tong*^a

Author affiliations

* Corresponding authors

^a Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
E-mail: weitong@lbl.gov

^b Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA

^c Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

^d Department of Sustainable Energy Technologies, Brookhaven National Laboratory, Upton, New York 11973, USA

^e National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA

Abstract

Phase pure LiNiO₂ was prepared using a solid-state method and the optimal synthesis conditions led to a remarkably high capacity of 200 mA h g⁻¹ with excellent retention. The combination of bulk and surface characterization elucidated an essential role of the excess Li in phase formation during synthesis and the subsequent electrochemical performance.

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Article information

DOI: https://doi.org/10.1039/C5CC09434H
Article type: Communication
Submitted: 18 Nov 2015
Accepted: 15 Feb 2016
First published: 25 Feb 2016

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Chem. Commun., 2016,52, 4239-4242

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Elucidation of the surface characteristics and electrochemistry of high-performance LiNiO₂

J. Xu, F. Lin, D. Nordlund, E. J. Crumlin, F. Wang, J. Bai, M. M. Doeff and W. Tong, Chem. Commun., 2016, 52, 4239 DOI: 10.1039/C5CC09434H

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