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Lithium-sulfur batteries are promising high-energy-density devices for next-generation energy storage systems. One of the most challenging issues impeding their practical application is how to develop cost-effective thick sulfur cathode with fast kinetics. Carbon aerogels (CAs) show great potential as host for lithium-sulfur batteries, while the preparation of CAs usually requires special time-consuming...
Polyhedron ZnCo2O4 derived from the appropriate oxidation of bimetallic ZIF (Co2/3·Zn1/3(MeIm)2) is anchored on the reduced graphene oxide (rGO) nanosheets via a hydrothermal method. ZnCo2O4 is uniformly distributed in the structure of polyhedron and the polyhedron ZnCo2O4 firmly is decorated on the rGO nanosheets according to the results of element mapping and scanning electron microscope (SEM)....
Concentrated lithium salt-monoglyme complex was used as an electrolyte candidate of lithium-sulfur (Li-S) batteries. It is found that the limited content of monoglyme suppresses the solubility and shuttle of polysulfides in the electrolyte. Then 1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl ether (TFTFE) was selected as a second solvent of the complex, and the effect of adding TFTFE on electrolyte...
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