Unveiling light effect on formation of trisulfur radicals in lithium–sulfur batteries†
Abstract
         is the important electrochemical intermediate in Li–S batteries of highly solvating solvents. Herein, the dissociation of
 is the important electrochemical intermediate in Li–S batteries of highly solvating solvents. Herein, the dissociation of  into
 into  is deeply studied. light is proven to promote the formation of
 is deeply studied. light is proven to promote the formation of  from the dissociation of
 from the dissociation of  . Accordingly, a strategy of pre-introducing highly active
. Accordingly, a strategy of pre-introducing highly active  into DMSO-based electrolyte is proposed to activate sulfur cathodes of Li–S batteries.
 into DMSO-based electrolyte is proposed to activate sulfur cathodes of Li–S batteries.
 
                




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