The sulfur–nitrogen co-doped porous carbon material derived from biomass was employed as the anode of a lithium–sulfur battery
Carbon Letters(2024)
Abstract
The raw material selected for this research was Brazil chestnut shells (BCs), which were utilized to gain porous carbon as a positive electrode for lithium–sulfur batteries (LSBs). The effects of N/S co-doped on the electrochemical properties of porous carbon materials were studied using thiourea as nitrogen and sulfur sources. The experimental results indicate that the N/S co-doped carbon materials have a higher mesopore ratio than the undoped porous carbon materials. The porous carbon material NSPC-2 has a lotus-like structure with uniform pore distribution. The N and S doping contents are 2.5
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Key words
Porous carbon materials,Biomass carbon,N/S co-doped,Lithium–sulfur battery
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