From Hollow Carbon Spheres to N-Doped Hollow Porous Carbon Bowls: Rational Design of Hollow Carbon Host for Li-S Batteries

From Hollow Carbon Spheres to N-Doped Hollow Porous Carbon Bowls: Rational Design of Hollow Carbon Host for Li-S Batteries

A novel silica‐assisted ­polybenzoxazine coating strategy is developed to ­synthesize N‐doped hollow porous ­carbon bowls (N‐HPCB). Due to the high specific surface area, N atom doping, and unique bowl‐like structure of N‐HPCB, the S/N‐HPCB cathode has stable cycling stability, excellent rate capabi...

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Veröffentlicht in:Advanced energy materials 2016-04, Vol.6 (8), p.np-n/a
Hauptverfasser: Pei, Fei, An, Taihua, Zang, Jun, Zhao, Xiaojing, Fang, Xiaoliang, Zheng, Minseng, Dong, Quanfeng, Zheng, Nanfeng
Format: Artikel
Sprache:eng
Schlagworte:
Atomic structure
bowl-like structures
Carbon
Cycles
Energy density
hollow carbon spheres
Li-S batteries
Lithium sulfur batteries
Specific surface
Stability
Strategy
sulfur/carbon composites
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Zusammenfassung:A novel silica‐assisted ­polybenzoxazine coating strategy is developed to ­synthesize N‐doped hollow porous ­carbon bowls (N‐HPCB). Due to the high specific surface area, N atom doping, and unique bowl‐like structure of N‐HPCB, the S/N‐HPCB cathode has stable cycling stability, excellent rate capability, and high volumetric energy density.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201502539