TY  - JOUR
AU  - Li, Zhenwei
AU  - Zhang, Qian
AU  - Hencz, Luke
AU  - Liu, Jie
AU  - Kaghazchi, Payam
AU  - Han, Jishu
AU  - Wang, Lei
AU  - Zhang, Shanqing
TI  - Multifunctional cation-vacancy-rich ZnCo2O4 polysulfide-blocking layer for ultrahigh-loading Li-S battery
JO  - Nano energy
VL  - 89
SN  - 2211-2855
CY  - Amsterdam [u.a.]
PB  - Elsevier
M1  - FZJ-2021-05562
SP  - 106331 -
PY  - 2021
AB  - 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.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000709716200002
DO  - DOI:10.1016/j.nanoen.2021.106331
UR  - https://juser.fz-juelich.de/record/903992
ER  -