%0 Journal Article
%A Li, Zhenwei
%A Zhang, Qian
%A Hencz, Luke
%A Liu, Jie
%A Kaghazchi, Payam
%A Han, Jishu
%A Wang, Lei
%A Zhang, Shanqing
%T Multifunctional cation-vacancy-rich ZnCo2O4 polysulfide-blocking layer for ultrahigh-loading Li-S battery
%J Nano energy
%V 89
%@ 2211-2855
%C Amsterdam [u.a.]
%I Elsevier
%M FZJ-2021-05562
%P 106331 -
%D 2021
%X 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.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000709716200002
%R 10.1016/j.nanoen.2021.106331
%U https://juser.fz-juelich.de/record/903992