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Effect of Current Collector on Performance of Li-S Batteries

Title data

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

Abstract in another language

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.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: batteries; current collectors; lithium sulfur
Institutions of the University: Faculties > Faculty of Engineering Science > Professur Biofabrikation > Professur Biofabrikation - Univ.-Prof. Dr. Leonid Ionov
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Professur Biofabrikation
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 20 Jun 2017 09:54
Last Modified: 20 Jun 2017 09:54
URI: https://eref.uni-bayreuth.de/id/eprint/37686