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This work has conducted an evaluation on the role of polarity over conductivity by using a polar but nonconductive platelet ordered mesoporous silica (pOMS) and its replica platelet ordered mesoporous carbon (pOMC), which is conductive but nonpolar. It is found that the polar pOMS/S cathode with a sulfur mass fraction of 80 wt% demonstrates outstanding long‐term cycle stability for 2000 cycles even at a high current density of 2C.
Non-conductive silica could be key to realizing next-generation lithium-sulfur batteries. Scientists have developed a novel silica-based cathode for lithium-sulfur batteries, thereby enabling the realization of batteries that can last for over 2000 charge/discharge cycles...
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