Linear and nonlinear electrochemical impedance spectroscopy studies of Li/SOCl2 batteries

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buir.contributor.authorZabara, Mohammed Ahmed
buir.contributor.authorUzundal, Can Berk
buir.contributor.authorÜlgüt, Burak
dc.citation.epageA820en_US
dc.citation.issueNumber6en_US
dc.citation.spageA811en_US
dc.citation.volumeNumber166en_US
dc.contributor.authorZabara, Mohammed Ahmeden_US
dc.contributor.authorUzundal, Can Berken_US
dc.contributor.authorÜlgüt, Buraken_US
dc.date.accessioned2020-02-10T11:08:02Z
dc.date.available2020-02-10T11:08:02Z
dc.date.issued2019
dc.departmentDepartment of Chemistryen_US
dc.description.abstractPerforming accurate, linear and stable Electrochemical Impedance Spectroscopy of Li/SOCl2 based batteries (and more generally, all primary batteries) is challenging due to the lack of a (well-defined) charging reaction. The difficulty stems from irreversible operation chemistry (compromising stable operation) and the inconsistent anode passivation of the cell. The very scarce literature examples lack proper measurement protocol and accurate EIS data for Li/SOCl2 that can be modeled. In this study, we demonstrate how these challenges can be overcome by performing Galvanostatic-EIS in discharge mode and investigate the details of how experimental parameters influence not only the measurement, but also the cell itself. We present linear and stable data that is compatible with the Kramers-Kronig relations in frequency ranges as wide as 10 kHz to 1 mHz for fully charged to fully discharged cells. Moreover, we utilize Harmonic Analysis to study the nonlinearities in the measurement and further show that the passivation of the anode is a major cause for the nonlinearities.en_US
dc.description.provenanceSubmitted by Zeynep Aykut (zeynepay@bilkent.edu.tr) on 2020-02-10T11:08:01Z No. of bitstreams: 1 Linear_and_nonlinear_electrochemical_impedance_spectroscopy_studies_of_Li_SOCl2_batteries.pdf: 1479751 bytes, checksum: 345e50f5a050e7cc9a2a25be9fd2a0c3 (MD5)en
dc.description.provenanceMade available in DSpace on 2020-02-10T11:08:02Z (GMT). No. of bitstreams: 1 Linear_and_nonlinear_electrochemical_impedance_spectroscopy_studies_of_Li_SOCl2_batteries.pdf: 1479751 bytes, checksum: 345e50f5a050e7cc9a2a25be9fd2a0c3 (MD5) Previous issue date: 2019en
dc.identifier.doi10.1149/2.1231904jesen_US
dc.identifier.issn0013-4651
dc.identifier.urihttp://hdl.handle.net/11693/53226
dc.language.isoEnglishen_US
dc.publisherElectrochemical Society Inc.en_US
dc.relation.isversionofhttps://dx.doi.org/10.1149/2.1231904jesen_US
dc.source.titleJournal of the Electrochemical Societyen_US
dc.subjectLi/SOCl2 batteriesen_US
dc.subjectLinear electrochemical impedance spectroscopyen_US
dc.subjectNonlinear electrochemical impedance spectroscopyen_US
dc.titleLinear and nonlinear electrochemical impedance spectroscopy studies of Li/SOCl2 batteriesen_US
dc.typeArticleen_US

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