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@article{647a6cc01b954c89ad3e952672c5acde,
title = "Electrochemical impedance study of commercial LiNi0.80Co0.15Al0.05O2 electrodes as a function of state of charge and aging",
abstract = "A comprehensive electrochemical impedance study is conducted on LiNi0.80Co0.15Al0.05O2 electrode material as a function of state-of-charge and aging. Electrodes are harvested from four commercial batteries with different state-of-health conditions. Odd random phase electrochemical impedance spectroscopy and the symmetric cell approach are applied in this work in order to obtain reliable impedance results. An equivalent electrical circuit model is constructed. The parameters related to the generalized finite-space Warburg element, the CPE element and the charge transfer resistance are further interpreted. Valuable information is obtained and closely linked to the physical phenomena. The charge transfer resistance has been proved to be the most reliable parameter for the estimation of state-of-health.",
keywords = "Aging phenomena, LiNi Co Al O, ORP-EIS, Reliable impedance, State-of-health estimation",
author = "Xinhua Zhu and {Fernandez Macia}, Lucia and Joris Jaguemont and {De Hoog}, Joris and Alexandros Nikolian and Noshin Omar and Annick Hubin",
year = "2018",
month = "10",
day = "10",
doi = "10.1016/j.electacta.2018.08.054",
language = "English",
volume = "287",
pages = "10--20",
journal = "Electrochim Acta",
issn = "0013-4686",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Electrochemical impedance study of commercial LiNi0.80Co0.15Al0.05O2 electrodes as a function of state of charge and aging

AU - Zhu, Xinhua

AU - Fernandez Macia, Lucia

AU - Jaguemont, Joris

AU - De Hoog, Joris

AU - Nikolian, Alexandros

AU - Omar, Noshin

AU - Hubin, Annick

PY - 2018/10/10

Y1 - 2018/10/10

N2 - A comprehensive electrochemical impedance study is conducted on LiNi0.80Co0.15Al0.05O2 electrode material as a function of state-of-charge and aging. Electrodes are harvested from four commercial batteries with different state-of-health conditions. Odd random phase electrochemical impedance spectroscopy and the symmetric cell approach are applied in this work in order to obtain reliable impedance results. An equivalent electrical circuit model is constructed. The parameters related to the generalized finite-space Warburg element, the CPE element and the charge transfer resistance are further interpreted. Valuable information is obtained and closely linked to the physical phenomena. The charge transfer resistance has been proved to be the most reliable parameter for the estimation of state-of-health.

AB - A comprehensive electrochemical impedance study is conducted on LiNi0.80Co0.15Al0.05O2 electrode material as a function of state-of-charge and aging. Electrodes are harvested from four commercial batteries with different state-of-health conditions. Odd random phase electrochemical impedance spectroscopy and the symmetric cell approach are applied in this work in order to obtain reliable impedance results. An equivalent electrical circuit model is constructed. The parameters related to the generalized finite-space Warburg element, the CPE element and the charge transfer resistance are further interpreted. Valuable information is obtained and closely linked to the physical phenomena. The charge transfer resistance has been proved to be the most reliable parameter for the estimation of state-of-health.

KW - Aging phenomena

KW - LiNi Co Al O

KW - ORP-EIS

KW - Reliable impedance

KW - State-of-health estimation

UR - http://www.scopus.com/inward/record.url?scp=85051936321&partnerID=8YFLogxK

U2 - 10.1016/j.electacta.2018.08.054

DO - 10.1016/j.electacta.2018.08.054

M3 - Article

VL - 287

SP - 10

EP - 20

JO - Electrochim Acta

JF - Electrochim Acta

SN - 0013-4686

ER -

ID: 39200365