Journal
NANO LETTERS
Volume 15, Issue 1, Pages 798-802Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl504963e
Keywords
Sulfur nanoparticle; theoretical specific capacity; Li-S battery nanosize effect
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Funding
- CAS [XDA09010600]
- National Natural Science Foundation of China [21103222, 21273273]
- Science and Technology Projects of Suzhou [ZXJ2012002]
- Jiangsu Provincial Natural Science Foundation [BK20130006]
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While LiS batteries are poised to be the next generation high-density energy storage devices, low sulfur utilization and slow rate performance have limited their practical applications. Here, we report the synthesis of monodispersed S-8 nanoparticles (NPs) with different diameter and the nanosize dependent kinetic characteristics of the corresponding LiS batteries. Most remarkably, 5 nm S NPs display the theoretical discharging/charging capacity of 1672 mAh g(-1) at 0.1 C rate and a discharge capacity of 1089 mAh g(-1) at 4 C.
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