Fast-Charging Aging Considerations: Incorporation and Alignment of Cell Design and Material Degradation Pathways

Parameswara Chinnam; Andrew Colclasure; Bor-Rong Chen; Tanvir Tanim; Eric Dufek; Kandler Smith; Michael Evans; Alison Dunlop; Stephen Trask; Bryant Polzin; Andrew Jansen

doi:10.1021/acsaem.1c01398

Fast-Charging Aging Considerations: Incorporation and Alignment of Cell Design and Material Degradation Pathways

Parameswara Chinnam, Andrew Colclasure, Bor-Rong Chen, Tanvir Tanim, Eric Dufek, Kandler Smith, Michael Evans, Alison Dunlop, Stephen Trask, Bryant Polzin, Andrew Jansen

Center for Energy Conversion and Storage Systems

Research output: Contribution to journal › Article › peer-review

26 Scopus Citations

Abstract

Fast charging of batteries for electric vehicles is seen as one of the most direct ways to enhance adoption. Currently, fast charging is limited by increased cell aging, which is primarily driven by Li plating and degradation of cathode materials. Here, using combined sets of experimental and computational analysis and a suite of different charge protocols, we begin to examine the interplay between failure mode, cell designs, and ultimately aging mechanisms. Slight variation in cell design and the subsequent impacts that charge protocols have on aging can create distinct cell-to-cell variation. As little as 2% difference in porosity change at the cell negative electrode during cycling due to early Li metal plating has been found to alter the aging pathway and either accelerate or inhibit the loss due to Li plating.

Original language	American English
Pages (from-to)	9133-9143
Number of pages	11
Journal	ACS Applied Energy Materials
Volume	4
Issue number	9
DOIs	https://doi.org/10.1021/acsaem.1c01398 https://doi.org/10.1021/acsaem.1c01398
State	Published - 27 Sep 2021

Bibliographical note

Publisher Copyright:
© 2021 The Authors. Published by American Chemical Society.

NREL Publication Number

NREL/JA-5700-78800

Keywords

aging
cell design
electrochemical model
extreme fast charging
Li plating
lithium ion-battery
material degradation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Chinnam, P., Colclasure, A., Chen, B.-R., Tanim, T., Dufek, E., Smith, K., Evans, M., Dunlop, A., Trask, S., Polzin, B., & Jansen, A. (2021). Fast-Charging Aging Considerations: Incorporation and Alignment of Cell Design and Material Degradation Pathways. ACS Applied Energy Materials, 4(9), 9133-9143. https://doi.org/10.1021/acsaem.1c01398, https://doi.org/10.1021/acsaem.1c01398

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abstract = "Fast charging of batteries for electric vehicles is seen as one of the most direct ways to enhance adoption. Currently, fast charging is limited by increased cell aging, which is primarily driven by Li plating and degradation of cathode materials. Here, using combined sets of experimental and computational analysis and a suite of different charge protocols, we begin to examine the interplay between failure mode, cell designs, and ultimately aging mechanisms. Slight variation in cell design and the subsequent impacts that charge protocols have on aging can create distinct cell-to-cell variation. As little as 2% difference in porosity change at the cell negative electrode during cycling due to early Li metal plating has been found to alter the aging pathway and either accelerate or inhibit the loss due to Li plating.",

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Chinnam, P, Colclasure, A, Chen, B-R, Tanim, T, Dufek, E, Smith, K, Evans, M, Dunlop, A, Trask, S, Polzin, B & Jansen, A 2021, 'Fast-Charging Aging Considerations: Incorporation and Alignment of Cell Design and Material Degradation Pathways', ACS Applied Energy Materials, vol. 4, no. 9, pp. 9133-9143. https://doi.org/10.1021/acsaem.1c01398, https://doi.org/10.1021/acsaem.1c01398

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AU - Chinnam, Parameswara

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AU - Dufek, Eric

AU - Smith, Kandler

AU - Evans, Michael

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AU - Trask, Stephen

AU - Polzin, Bryant

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Fast-Charging Aging Considerations: Incorporation and Alignment of Cell Design and Material Degradation Pathways

Abstract

Bibliographical note

NREL Publication Number

Keywords

UN SDGs

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