Ternary Sulfur/Polyacrylonitrile/SiO₂ Composite Cathodes for High-Performance Sulfur/Lithium Ion Full Batteries.
作者： Yusen He , Zhenzhen Shan , Taizhe Tan , Zhihong Chen , Yongguang Zhang
关键词:
摘要: In the present study, a novel sulfur/lithium-ion full battery was assembled while using ternary sulfur/polyacrylonitrile/SiO₂ (S/PAN/SiO₂) composite as cathode and prelithiated graphite anode. For anode, Stabilized Lithium Metal Powder (SLMP) successfully transformed into lithiated cathode, scanning electron microscopy (SEM) transmission (TEM) revealed that SiO₂ uniformly distributed on S/PAN composites, where served an effective additive due to its ultra high absorb ability enhanced in trapping soluble polysulfide. The tested half-cell based S/PAN/SiO₂ discharge capacity of 1106 mAh g-1 after 100 cycles at 0.2 C. cell graphite//S/PAN/SiO₂ system delivered specific 810 over cycles.
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