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Effect of Current Collector on Performance of Li-S Batteries

Titelangaben

Raguzin, Ivan ; Choudhury, Soumyadip ; Simon, Frank ; Stamm, Manfred ; Ionov, Leonid:
Effect of Current Collector on Performance of Li-S Batteries.
In: Advanced Materials Interfaces. Bd. 4 (8 Februar 2017) Heft 3 . - Art.Nr. 1600811.
ISSN 2196-7350
DOI: 10.1002/admi.201600811

Abstract

Efficient, scalable energy storage systems such as lithium-sulfur batteries have become a technological bottleneck for the growing energy demands in automotive sector. To realize the ultimate performance of such batteries, the effect of all structural components of the batteries has to be considered. Nowadays the effect of current collectors appears to be less explored in the battery research field. Therefore, this report draws attention to exploit different current collectors such as, copper, aluminum, platinum, and nickel. It is found that nickel has a profound effect on the performance of the lithium-sulfur batteries by direct involvement in electrochemical reaction with soluble polysulfides leading to the formation of nickel sulfide. The formation of such unwanted species can be reduced dramatically by silane-surface modification. Aluminum and platinum, on the other hand, have been found to be the most inert collector toward the cycle performance because of nonreactivity within the potential window.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: batteries; current collectors; lithium sulfur
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften > Professur Biofabrikation > Professur Biofabrikation - Univ.-Prof. Dr. Leonid Ionov
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Professur Biofabrikation
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Eingestellt am: 20 Jun 2017 09:54
Letzte Änderung: 20 Jun 2017 09:54
URI: https://eref.uni-bayreuth.de/id/eprint/37686