Abstract
In this study, we introduce a mesoporous carbon with large pore volume (1.72 cm3/g) and bimodal mesopore structure (4 nm and 30 nm). Mesocellular carbon foam (MCF) was first synthesized by employing mesocellular silica as a template. After that, MCF was improved hydrophobicity thorough acid treatment to form stronger bonding between carbon and sodium thiosulfate pentahydrate (sulfur precursor). MCF/S composite was prepared by solution chemical deposition method (Sol-method). By Sol-method, sulfur of 73 wt.% was loaded in mesopore channels. As a result, the composite exhibited enhanced cyclability and retained a stable capacity of 820 mAh/g after 50 cycles.
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