Premium
Mesoporous Hybrid Electrolyte for Simultaneously Inhibiting Lithium Dendrites and Polysulfide Shuttle in Li–S Batteries
Author(s) -
Zhang Nan,
Li Bin,
Li Songmei,
Yang Shubin
Publication year - 2018
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201703124
Subject(s) - polysulfide , electrolyte , materials science , bifunctional , mesoporous material , lithium (medication) , ionic conductivity , electrode , chemical engineering , inorganic chemistry , battery (electricity) , conductivity , organic chemistry , chemistry , catalysis , medicine , engineering , power (physics) , physics , quantum mechanics , endocrinology
A bifunctional hybrid electrolyte composed of mesoporous silica nanosheets and liquid electrolyte is achieved for lithium–sulfur (Li–S) batteries. This hybrid electrolyte possesses abundant mesopores (2.8 nm), thin feature (20 µm), and high ionic conductivity (1.17 × 10 −1 mS cm −1 ) as well as a low interfacial resistance with electrodes. Such unique features not only enable the efficient inhibition of the growth of lithium dendrites, but also significantly prevents polysulfide shuttling. Consequently, a Li–S battery with this hybrid electrolyte exhibits a relatively high reversible capacity and good capacity retention.