Uneven discharge of metallic lithium causes increased voltage noise in Li/MnO2 primary batteries upon shorting

buir.contributor.authorKaraoğlu, Gözde
buir.contributor.authorUzundal, Can Berk
buir.contributor.authorBurak, Ülgüt
dc.citation.epage130534-1en_US
dc.citation.issueNumber13en_US
dc.citation.spage130534-12en_US
dc.citation.volumeNumber167en_US
dc.contributor.authorKaraoğlu, Gözde
dc.contributor.authorUzundal, Can Berk
dc.contributor.authorBurak, Ülgüt
dc.date.accessioned2021-02-17T06:30:11Z
dc.date.available2021-02-17T06:30:11Z
dc.date.issued2020
dc.departmentDepartment of Chemistryen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractThe voltage noise of primary batteries with Li/MnO2 chemistry increases when the battery suffers a short circuit. This noise level is measurable only after a proper offsetting scheme that involves a battery that has undergone the same history is employed. In the current work, we are showing that the increased voltage noise is due to the metallic lithium anode and the heterogeneous discharge thereof. Periods of short circuit causes the lithium to get depleted from points of lowest resistance, which eventually causes uneven depletion and the current collector to be partially exposed. This is similar in nature to pitting corrosion of metals and their protective films, a phenomenon which is also routinely characterized by electrochemical noise signals.en_US
dc.identifier.doi10.1149/1945-7111/abbbc2en_US
dc.identifier.issn0013-4651
dc.identifier.urihttp://hdl.handle.net/11693/71761
dc.language.isoEnglishen_US
dc.publisherIOP Publishingen_US
dc.relation.isversionofhttps://dx.doi.org/10.1149/1945-7111/abbbc2en_US
dc.source.titleJournal of the Electrochemical Societyen_US
dc.titleUneven discharge of metallic lithium causes increased voltage noise in Li/MnO2 primary batteries upon shortingen_US
dc.typeArticleen_US

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