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dc.contributor.authorSmajic, Jasmin
dc.contributor.authorWee, Shianlin
dc.contributor.authorFernandes Simoes, Filipa R.
dc.contributor.authorHedhili, Mohamed N.
dc.contributor.authorWehbe, Nimer
dc.contributor.authorAbou-Hamad, Edy
dc.contributor.authorDa Costa, Pedro M. F. J.
dc.date.accessioned2020-12-23T11:23:46Z
dc.date.available2020-12-23T11:23:46Z
dc.date.issued2020-11-23
dc.identifier.citationSmajic, J., Wee, S., Fernandes Simoes, F. R., Hedhili, M. N., Wehbe, N., Abou-Hamad, E., & Costa, P. M. F. J. (2020). Charge-Storage Mechanism of Aluminum-Sulfur Batteries. ECS Meeting Abstracts, MA2020-02(2), 232–232. doi:10.1149/ma2020-022232mtgabs
dc.identifier.issn2151-2043
dc.identifier.doi10.1149/ma2020-022232mtgabs
dc.identifier.urihttp://hdl.handle.net/10754/666617
dc.description.abstractThe electrochemical performance of aluminum-sulfur batteries is beset by poor stability and sluggish charge-storage properties. To address these issues, carbon allotropes have been used as electrode fillers, but successful outcomes remain inexplicably elusive. Here, a composite of sulfur and small diameter single-walled carbon nanotubes is synthesized and used as a cathode for reversible aluminum-sulfur batteries. The assembled electrode delivers a high capacity of 1024 mAh/g and effectively reduces the cell polarization by 37%. Moreover, the use of small-diameter SWCNT helps in lowering the electrolyte-to-sulfur ratio down to 17 μg/ml, an important step toward lean electrolyte conditions. Despite that, the capacity fade of the Al-S battery cannot be fully reversed. As we show, the consequence of the interaction between the electrolyte and S is the buildup of insoluble and poorly conductive discharge products, which inhibit charge diffusion and progressively deactivate the electrode, ultimately causing capacity decay. Overall, this works clarifies the carbon–sulfur–electrolyte interactions and their role in the underlying charge-storage mechanism of Al-S batteries.
dc.publisherThe Electrochemical Society
dc.relation.urlhttps://iopscience.iop.org/article/10.1149/MA2020-022232mtgabs
dc.rightsArchived with thanks to ECS Meeting Abstracts
dc.titleCharge-Storage Mechanism of Aluminum-Sulfur Batteries
dc.typeArticle
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.contributor.departmentMaterial Science and Engineering
dc.contributor.departmentKing Abdullah University of Science and Technology.
dc.contributor.departmentSurface Science
dc.contributor.departmentImaging and Characterization Core Lab
dc.contributor.departmentNMR
dc.identifier.journalECS Meeting Abstracts
dc.eprint.versionPost-print
dc.identifier.volumeMA2020-02
dc.identifier.issue2
dc.identifier.pages232-232
kaust.personSmajic, Jasmin
kaust.personWee, Shianlin
kaust.personFernandes Simoes, Filipa R.
kaust.personHedhili, Mohamed N.
kaust.personWehbe, Nimer
kaust.personAbou-Hamad, Edy
kaust.personDa Costa, Pedro M. F. J.
refterms.dateFOA2020-12-27T11:13:04Z


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