Rational
design of the sulfur cathode structure enables effective
adsorption of polysulfides and accelerates the sulfur reduction reaction,
which is of great significance to the practical application of lithium–sulfur
batteries. Here, P-doped carbon foam (PCF) as a sulfur host for the
lithium–sulfur battery cathode was successfully synthesized
by a facile strategy. The tailored hierarchical pore structure combined
with P doping not only facilitates Li+ diffusion but also
enhances the adsorption and accelerates the catalytic conversion of
lithium polysulfides, thus significantly improving lithium storage
performance of the PCF/S cathode.
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