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Abstract Sodium‐based dual‐ion batteries (SDIBs) have been envisaged as one of the promising rechargeable energy storage devices by virtue of the low cost and considerably high energy density. But the exploration of high‐performance anode materials yet remain a grand challenge. Herein, an elaborate design is reported to fabricate nanohybrids of N‐doped carbon film modifying MoSSe nanosheets supported on hollow cubic N‐doped carbon (MoSSeNSs@NC/hC‐NC), which features abundant anionic defects, few‐layered MoSSe with expanded interlayer spacing, good conductivity, and hollow structure. These favorable properties and structure are greatly conducive for Na + storage, as evidenced by displaying desirable electrochemical properties of high capacity, good rate capability, and excellent stability. The impressive capability for Na + storage in the MoSSeNSs@NC/hC‐NC motivates to set up a full SDIBs device by coupling with EG cathode, which show a discharge capacity of 185 mA h g –1 at 1 A g –1 with the capacity retention of almost 100% over 2000 cycles.
Liu et al. (Fri,) studied this question.