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Hierarchical porous carbon is often used in Li–S batteries due to the widely perceived benefits regarding the wide range of pore sizes. However, such notions are based solely on demonstrations of improved cyclic performances, and specific evidence to prove the utilization of the pores is yet to be found. Herein, we report, for the first time, the evidence for gradual activation of micropore-confined...
Here we report a low polarization, catalyst-free lithium–oxygen battery using mesoporous carbon electrode. BET analysis, SEM and TEM images evidence that the carbon material has surface area as high as 1500m2g-1 and a uniform distribution of nanometric pores. Furthermore, X-ray diffraction analysis and TEM images of the reaction products show that the favourable effect of the mesoporous carbon is...
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