Journal Article

FZJ-2021-05562

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Multifunctional cation-vacancy-rich ZnCo2O4 polysulfide-blocking layer for ultrahigh-loading Li-S battery

Li, Z. ; Zhang, Q. ; Hencz, L. ; Liu, J. (Corresponding author) ; Kaghazchi, P.FZJ* ; Han, J. ; Wang, L. (Corresponding author) ; Zhang, S. (Corresponding author)

2021
Elsevier Amsterdam [u.a.]

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Please use a persistent id in citations: http://hdl.handle.net/2128/30896  doi:10.1016/j.nanoen.2021.106331

Abstract: The major hurdle in Li-S battery commercialization is the severe shuttle effect and sluggish reaction kinetics of polysulfide conversion during charge-discharge cycling. Herein, to overcome these barriers, we designed and synthesized Zn defective Zn/Co oxide (ZDZCO) nanosheets, a cation-vacancy-rich bimetallic oxide for the construction of a multifunctional polysulfide-blocking layer. Both theoretical and experimental studies have comprehensively demonstrated that the ZDZCO shows robust binding capability towards polysulfides and a high catalytic ability for fast polysulfide conversion. Through a facile coating process, the multifunctional ZDZCO polysulfide-blocking layer is incorporated on a commercial polypropylene separator, forming a composite separator. The resultant separator facilitates an ultrahigh sulfur loading of 21.06 mg cm-2 and an areal capacity as high as 24.25 mAh cm-2. This study illuminates a promising and practical strategy to construct high-performance Li-S batteries with high sulfur loading.

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Contributing Institute(s):

1. Werkstoffsynthese und Herstellungsverfahren (IEK-1)

Research Program(s):

1. 1221 - Fundamentals and Materials (POF4-122) (POF4-122)

Appears in the scientific report 2022

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Essential Science Indicators ; IF >= 15 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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