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Mesoscale transport in magnetite electrodes for lithium-ion batteries

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

29 Scopus citations

Abstract

The mass transport processes occurring within magnetite electrodes during discharge and voltage recovery are investigated using a combined experimental and modeling approach. Voltage recovery data are analyzed through a comparison of the mass transport time-constants associated with different length-scales within the electrode. The long voltage recovery times can be hypothesized to result from the relaxation of concentration profiles on the mesoscale, which consists of the agglomerate and crystallite length-scales. The hypothesis was tested through the development of a multi-scale mathematical model, which showed good agreement with experimental data.

Original languageEnglish
Title of host publicationBatteries - Theory, Modeling, and Simulation
EditorsY. Qi, A. Van der Ven, P. B. Balbuena
PublisherElectrochemical Society Inc.
Pages7-19
Number of pages13
Edition1
ISBN (Electronic)9781607685395
DOIs
StatePublished - 2015
EventSymposium on Batteries - Theory, Modeling, and Simulation - 228th ECS Meeting - Phoenix, United States
Duration: Oct 11 2015Oct 15 2015

Publication series

NameECS Transactions
Number1
Volume69

Conference

ConferenceSymposium on Batteries - Theory, Modeling, and Simulation - 228th ECS Meeting
Country/TerritoryUnited States
CityPhoenix
Period10/11/1510/15/15

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