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3D analysis of a LiCoO_2-Li(Ni_(1/3)Mn_(1/3)Co_(1/3))O_2 Li-ion battery positive electrode using x-ray nano-tomography

Chen-Wiegart, Yu-chen Karen and Liu, Zhao and Faber, Katherine T. and Barnett, Scott A. and Wang, Jun (2013) 3D analysis of a LiCoO_2-Li(Ni_(1/3)Mn_(1/3)Co_(1/3))O_2 Li-ion battery positive electrode using x-ray nano-tomography. Electrochemistry Communications, 28 . pp. 127-130. ISSN 1388-2481. doi:10.1016/j.elecom.2012.12.021.

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A full-field high-resolution x-ray nano-tomography technique, transmission x-ray microscopy (TXM), was used to reveal the 3D morphology of the lithium ion battery composite positive electrode: LiCoO_2 (LCO)-Li(Ni_(1/3)Mn_(1/3)Co_(1/3))O_2 (NMC). The TXM method allowed the unambiguous chemical identification of oxide particles by tuning the x-ray energy relative to the transition-metal absorption edges. The NMC particles have a much rougher surface compared to the LCO particles. Cracks due to processing exist in both LCO and NMC particles but the NMC particles exhibit more severe cracking and also tend to have internal pores in addition to radial cracks. Further, the carbon-based phases including the binder and the conductive carbon were identified using Zernike phase contrast imaging.

Item Type:Article
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URLURL TypeDescription
Liu, Zhao0000-0003-0370-2406
Faber, Katherine T.0000-0001-6585-2536
Alternate Title:3D analysis of a LiCoO2-Li(Ni1/3Mn1/3Co1/3)O2 Li-ion battery positive electrode using x-ray nano-tomography
Additional Information:Copyright © 2013 Elsevier. Received 16 November 2012. Received in revised form 17 December 2012. Accepted 20 December 2012. Available online 28 December 2012. We thank Dr. Stephen Harris for providing the cells. The FIB–SEM sample preparation, conducted at the Center for Functional Nanomaterials (BNL) and the use of the NSLS were both supported by the U.S. Department of Energy, Office of Basic Energy Sciences under Contract No. DE-AC02-98CH10886. The authors at Northwestern University acknowledge the financial support from the National Science Foundation Ceramics program (DMR-0907639).
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC02-98CH10886
Subject Keywords:3D structural analysis; Li-ion battery; X-ray nano-tomography
Record Number:CaltechAUTHORS:20140908-181319557
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Official Citation:Yu-chen Karen Chen-Wiegart, Zhao Liu, Katherine T. Faber, Scott A. Barnett, Jun Wang, 3D analysis of a LiCoO2–Li(Ni1/3Mn1/3Co1/3)O2 Li-ion battery positive electrode using x-ray nano-tomography, Electrochemistry Communications, Volume 28, March 2013, Pages 127-130, ISSN 1388-2481, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49367
Deposited By: George Porter
Deposited On:09 Sep 2014 16:09
Last Modified:10 Nov 2021 18:43

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