Sulfur–Carbon Nano Fiber Composite Solid Electrolyte for All-Solid-State Li–S Batteries
Nguyễn Hữu Huy PhúcTakaki MaedaHiroyuki MutoReiko MatsudaKazuhiro HikimaAtsunori Matsuda
Abstract
In the present study, the formation of sulfur nano sheets on the surface of positively charged carbon nano fiber (CNF) from Na2S3 precursor was investigated, and a two-step mechanism for this reaction was proposed for the first time. An S–CNF–solid electrolyte composite was successfully prepared and employed in an all-solid-state Li–S cell. Full sulfur capacity was obtained when the cell was cycled at 0.1C (0.177 mA cm–2), and a sulfur capacity of ∼600 mA h g–1S was maintained at 1C (1.77 mA cm–2).
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