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Pulse Reverse Protocol for efficient suppression of dendritic micro-structures in rechargeable batteries

Aryanfar, Asghar and Ghamlouche, Yara and Goddard, William A., III (2021) Pulse Reverse Protocol for efficient suppression of dendritic micro-structures in rechargeable batteries. Electrochimica Acta, 367 . Art. No. 137469. ISSN 0013-4686.

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The ramified and stochastic evolution of dendritic microstructures has been a major issue on the safety and longevity of rechargeable batteries, particularly for the utilization metallic electrodes. We computationally develop pulse-reverse protocols for effective halting of the growing microstructures during extensive charging periods far beyond inter-ionic collisions. Our framework is based on the competitiveness of the dendritic growth during the pulse period versus the dissolution of the (sub)branches during the reverse charge. The detachment of the atoms from the structure preferentially occurs from the meta-stable sites which possess the lowest coordination number and require lowest activation energy for dissolution. We prove that even an infinitesimal pulse-reverse charge is more effective than an extended pulse-relaxation method for the suppression of the dendritic structures.

Item Type:Article
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URLURL TypeDescription
Aryanfar, Asghar0000-0002-8890-077X
Ghamlouche, Yara0000-0002-3867-4946
Goddard, William A., III0000-0003-0097-5716
Additional Information:© 2020 Elsevier Ltd. Received 25 September 2020, Revised 8 November 2020, Accepted 10 November 2020, Available online 19 November 2020. The authors would like to thank the University Research Board (URB) of American University of Beirut, Award #103950, for the financial support. CRediT authorship contribution statement: Asghar Aryanfar: Conceptualization, Validation, Formal analysis, Investigation, Data curation, Writing - original draft, Writing - review & editing, Visualization, Funding acquisition. Yara Ghamlouche: Methodology, Resources, Software, Writing - review & editing, Supervision, Project administration. William A. Goddard III: Supervision, Project administration. The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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American University of Beirut103950
Subject Keywords:Pulse Reverse Charging; Dendritic Microstructures; Electro-deposition/dissolution
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Record Number:CaltechAUTHORS:20201119-154322789
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Official Citation:Asghar Aryanfar, Yara Ghamlouche, William A. Goddard III, Pulse Reverse Protocol for efficient suppression of dendritic micro-structures in rechargeable batteries, Electrochimica Acta, Volume 367, 2021, 137469, ISSN 0013-4686, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:106745
Deposited By: Tony Diaz
Deposited On:20 Nov 2020 00:01
Last Modified:27 Mar 2021 06:16

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