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Lithium sulphur (Li–S) battery with high energy density is considered as a promising energy storage system, but it is seriously hindered due to the shuttle effect and the slow redox chemical reaction of sulphur cathode. Herein, the annealed melamine foam loaded MoSe 2  (CF@MoSe 2 ) is prepared by a simple one-step hydrothermal method. Tellurium-doped MoSe 2  (CF@Te-MoSe 2 ) is further fabricated by annealing treatment in order to improve the catalytic activity. As a multifunctional interlayer, the CF@Te-MoSe 2  inhibits the shuttle effect, improves redox kinetics, and-discharge polarisation of Li–S batteries. Meanwhile, the batteries based on CF@Te-MoSe 2  interlayer remain discharge capacity 901 mAh g −1  after 100 cycles. Importantly, the batteries based on CF@Te-MoSe 2  interlayer delivers high initial areal capacity of 5.7 mAh cm −2  under high sulphur mass loading of 6.3 mg cm −2 . This interlayer provides a new reference for the advanced Li–S batteries.

Melamine foam loaded tellurium doped MoSe 2 as polysulphide reservoir interlayer for Li−S batteries