A High‐Energy Room‐Temperature Sodium‐Sulfur Battery | Zendy

Xin Sen | Zendy; Yin YaXia | Zendy; Guo YuGuo | Zendy; Wan LiJun | Zendy

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A High‐Energy Room‐Temperature Sodium‐Sulfur Battery

Author(s) -

Xin Sen,

Yin YaXia,

Guo YuGuo,

Wan LiJun

Publication year - 2014

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201304126

Subject(s) - sulfur , materials science , battery (electricity) , cathode , electrochemistry , energy storage , chemical engineering , nanotechnology , electrode , inorganic chemistry , chemistry , metallurgy , power (physics) , thermodynamics , physics , engineering

Employing small sulfur molecules as the active cathode component for room‐temperature Na‐S batteries, reveals a novel mechanism that is verified for the batteries' electrochemistry. The sulfur cathode enables a complete two‐electron reaction to form Na 2 S, bringing a tripled specific capacity and an increased specific energy compared with traditional high‐temperature Na‐S batteries. At the same time, it offers better cycling stability endowing the batteries with a longer lifespan.

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