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Annealing kinetics of electrodeposited lithium dendrites

Aryanfar, Asghar and Cheng, Tao and Colussi, Agustín J. and Merinov, Boris V. and Goddard, William A., III and Hoffmann, Michael R. (2015) Annealing kinetics of electrodeposited lithium dendrites. Journal of Chemical Physics, 143 (13). Art. No. 134701. ISSN 0021-9606.

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The densifying kinetics of lithium dendrites is characterized with effective activation energy of E_a ≈ 6 − 7 kcal mol^(−1) in our experiments and molecular dynamics computations. We show that heating lithium dendrites for 55 °C reduces the representative dendrites length λ(T,t) up to 36%. NVT reactive force field simulations on three-dimensional glass phase dendrites produced by our coarse grained Monte Carlo method reveal that for any given initial dendrite morphology, there is a unique stable atomic arrangement for a certain range of temperature, combined with rapid morphological transition (∼10 ps) within quasi-stable states involving concurrent bulk and surface diffusions. Our results are useful for predicting the inherent structural characteristics of lithium dendrites such as dominant coordination number.

Item Type:Article
Related URLs:
URLURL TypeDescription
Aryanfar, Asghar0000-0002-8890-077X
Cheng, Tao0000-0003-4830-177X
Colussi, Agustín J.0000-0002-3400-4101
Merinov, Boris V.0000-0002-2783-4262
Goddard, William A., III0000-0003-0097-5716
Hoffmann, Michael R.0000-0001-6495-1946
Additional Information:© 2015 AIP Publishing LLC. Received 24 June 2015; accepted 7 August 2015; published online 1 October 2015. The authors would like to gratefully thank the financial support from Bill and Melinda Gates Foundation, Grant No. OPP1069500, on environmental sustainability and, in part, by Bosch Energy Research Network, Grant No. 13.01.CC11. The help from undergraduate student Mark Lorden and discussions with graduate student Daniel Brooks are also acknowledged.
Funding AgencyGrant Number
Bill and Melinda Gates FoundationOPP1069500
Bosch Energy Research Network13.01.CC11
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Issue or Number:13
Record Number:CaltechAUTHORS:20151012-155433250
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Official Citation:Annealing kinetics of electrodeposited lithium dendrites Aryanfar, Asghar and Cheng, Tao and Colussi, Agustin J. and Merinov, Boris V. and Goddard, William A. and Hoffmann, Michael R., The Journal of Chemical Physics, 143, 134701 (2015), DOI:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61022
Deposited By: Tony Diaz
Deposited On:15 Oct 2015 04:47
Last Modified:03 Mar 2020 13:01

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