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In article number 2001165, Xin Wang, Zhongwei Chen, and co‐workers develop a hierarchical Fe3−xC@C hollow microsphere consisting of Fe‐deficient Fe3−xC subunits with a mesoporous carbon coating that serves as an excellent lithium polysulfide adsorbent to immobilize the sulfur species against their shuttling behaviors, as well as an efficient catalyst to promote the sulfur conversion reaction kinetics...
Lithium–sulfur (Li–S) batteries present one of the most promising energy storage systems owing to their high energy density and low cost. However, the commercialization of Li–S batteries is still hindered by several technical issues; the notorious polysulfide shuttling and sluggish sulfur conversion kinetics. In this work, unique hierarchical Fe3‐xC@C hollow microspheres as an advanced sulfur immobilizer...
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