Between Scylla and Charybdis: Balancing Among Structural Stability and Energy Density of Layered NCM Cathode Materials for Advanced Lithium-Ion Batteries
Publication type: Journal Article
Publication date: 2017-11-15
scimago Q1
wos Q3
SJR: 0.914
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
Two major strategies are currently pursued to improve the energy density of lithium-ion batteries using LiNixCoyMnzO2 (NCM) cathode materials. One is to increase the fraction of redox active Ni (≥80%), which allows larger amounts of Li to be extracted at a given cutoff voltage (Umax). The other is to increase Umax, in particular for medium-Ni content NCM materials. However, the accompanying lattice changes ultimately lead to capacity fading in both cases. Here the structural changes occurring in Li1.02NixCoyMnzO2 (with x = 1/3, 0.5, 0.6, 0.7, 0.8 and 0.85) during cycling operation in the voltage range between 3.0 and 4.6 V vs Li are quantified by means of operando X-ray diffraction combined with detailed Rietveld analysis. All samples show a large decrease in unit cell volume upon charging, ranging from 2.4% for NCM111 (33% Ni) to 8.0% for NCM851005 (85% Ni). To make a fair comparison of the structural stability of the different NCM materials, energy densities as a function of Umax are estimated and corre...
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332
Total citations:
332
Citations from 2024:
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(33.83%)
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GOST
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de Biasi L. et al. Between Scylla and Charybdis: Balancing Among Structural Stability and Energy Density of Layered NCM Cathode Materials for Advanced Lithium-Ion Batteries // Journal of Physical Chemistry C. 2017. Vol. 121. No. 47. pp. 26163-26171.
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Kondrakov A., Geßwein H., Hartmann P., Janek J. Between Scylla and Charybdis: Balancing Among Structural Stability and Energy Density of Layered NCM Cathode Materials for Advanced Lithium-Ion Batteries // Journal of Physical Chemistry C. 2017. Vol. 121. No. 47. pp. 26163-26171.
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RIS
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TY - JOUR
DO - 10.1021/acs.jpcc.7b06363
UR - https://doi.org/10.1021/acs.jpcc.7b06363
TI - Between Scylla and Charybdis: Balancing Among Structural Stability and Energy Density of Layered NCM Cathode Materials for Advanced Lithium-Ion Batteries
T2 - Journal of Physical Chemistry C
AU - Kondrakov, Aleksandr
AU - Geßwein, Holger
AU - Hartmann, Pascal
AU - Janek, Jürgen
PY - 2017
DA - 2017/11/15
PB - American Chemical Society (ACS)
SP - 26163-26171
IS - 47
VL - 121
SN - 1932-7447
SN - 1932-7455
ER -
Cite this
BibTex (up to 50 authors)
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@article{2017_de Biasi,
author = {Aleksandr Kondrakov and Holger Geßwein and Pascal Hartmann and Jürgen Janek},
title = {Between Scylla and Charybdis: Balancing Among Structural Stability and Energy Density of Layered NCM Cathode Materials for Advanced Lithium-Ion Batteries},
journal = {Journal of Physical Chemistry C},
year = {2017},
volume = {121},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acs.jpcc.7b06363},
number = {47},
pages = {26163--26171},
doi = {10.1021/acs.jpcc.7b06363}
}
Cite this
MLA
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de Biasi, Lea, et al. “Between Scylla and Charybdis: Balancing Among Structural Stability and Energy Density of Layered NCM Cathode Materials for Advanced Lithium-Ion Batteries.” Journal of Physical Chemistry C, vol. 121, no. 47, Nov. 2017, pp. 26163-26171. https://doi.org/10.1021/acs.jpcc.7b06363.
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