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The large volume change during cycles, extreme low electronic/ionic conductivity of sulfur and lithium sulfide, and high solubility of high-order polysulfide (PS) in electrolyte are three major barriers for practical applications of Li–S batteries. Current strategy to migrate these three issues is to physically and/or chemically encapsulate the sulfur into porous carbon host (PCH), which is only suitable...
The polysulfide shuttle reaction has severely limited practical applications of Li‐S batteries. Recently, functional materials that can chemically adsorb polysulfide show significant enhancement in cycling stability and Coulombic efficiency. However, the mechanism of the chemisorption and the control factors governing the chemisorption are still not fully understood. Here, it is demonstrated for the...
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