Electrochimica Acta, volume 368, pages 137627
Phase boundary propagation mode in nano-sized electrode materials evidenced by potentiostatic current transients analysis: Li-rich LiFePO4 case study
Publication type: Journal Article
Publication date: 2021-02-01
General Chemical Engineering
Electrochemistry
Abstract
Phase boundary propagation dynamics in phase-transforming battery nanomaterials is widely studied due to high practical relevance of the boundary propagation patterns to the rate performance and degradation of metal-ion batteries. In this work, we decipher the complex interplay between the kinetic limitations in the course of phase boundary movement, which can be controlled by slow diffusion, interfacial charge transfer and nucleation. Employing nanosized Li-rich LiFePO4 materials as model systems, we consistently analyze the effect of each of the possible limiting factors on the evolution of potentiostatic current transients’ shape. Our results conclusively demonstrate that under the experimental conditions all three rate-controlling factors contribute to the rate-limitations of an intercalation material. We used numerical modeling to provide illustrative examples of current transients under different limiting regimes, which can be employed for the rapid and accurate diagnostics of the control factors during phase transformations. The derived conclusions allow rationalizing both the phase-transformation pathways in multiparticle electrodes (particle-by-particle or concurrent intercalation) and phase-growth morphologies (intercalation wave or shrinking core) based on easily accessible experimental estimates of kinetic parameters. These results are of high diagnostic value for the development of physically adequate battery models.
Citations by journals
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Current Opinion in Electrochemistry
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1 publication, 7.69%
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Electrochimica Acta
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1 publication, 7.69%
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1 publication, 7.69%
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1 publication, 7.69%
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1 publication, 7.69%
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Energy Advances
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1 publication, 7.69%
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1 publication, 7.69%
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Chemical Physics Reviews
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1 publication, 7.69%
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Journal of Electroanalytical Chemistry
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1 publication, 7.69%
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ACS Applied Energy Materials
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1 publication, 7.69%
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ACS applied materials & interfaces
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1 publication, 7.69%
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1
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Citations by publishers
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4
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Elsevier
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4 publications, 30.77%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
3 publications, 23.08%
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Royal Society of Chemistry (RSC)
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2 publications, 15.38%
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The Electrochemical Society
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The Electrochemical Society
1 publication, 7.69%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 7.69%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
1 publication, 7.69%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Sumanov V. D. et al. Phase boundary propagation mode in nano-sized electrode materials evidenced by potentiostatic current transients analysis: Li-rich LiFePO4 case study // Electrochimica Acta. 2021. Vol. 368. p. 137627.
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Sumanov V. D., Tyablikov O. A., Morozov A. V., Fedotov S. S., Vassiliev S. Y., Nikitina V. A. Phase boundary propagation mode in nano-sized electrode materials evidenced by potentiostatic current transients analysis: Li-rich LiFePO4 case study // Electrochimica Acta. 2021. Vol. 368. p. 137627.
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TY - JOUR
DO - 10.1016/j.electacta.2020.137627
UR - https://doi.org/10.1016%2Fj.electacta.2020.137627
TI - Phase boundary propagation mode in nano-sized electrode materials evidenced by potentiostatic current transients analysis: Li-rich LiFePO4 case study
T2 - Electrochimica Acta
AU - Sumanov, Vasiliy D.
AU - Tyablikov, Oleg A.
AU - Morozov, Anatoly V
AU - Fedotov, Stanislav S.
AU - Vassiliev, Sergey Yu.
AU - Nikitina, Victoria A.
PY - 2021
DA - 2021/02/01 00:00:00
PB - Elsevier
SP - 137627
VL - 368
SN - 0013-4686
ER -
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@article{2021_Sumanov,
author = {Vasiliy D. Sumanov and Oleg A. Tyablikov and Anatoly V Morozov and Stanislav S. Fedotov and Sergey Yu. Vassiliev and Victoria A. Nikitina},
title = {Phase boundary propagation mode in nano-sized electrode materials evidenced by potentiostatic current transients analysis: Li-rich LiFePO4 case study},
journal = {Electrochimica Acta},
year = {2021},
volume = {368},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016%2Fj.electacta.2020.137627},
pages = {137627},
doi = {10.1016/j.electacta.2020.137627}
}
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