A High-Energy Room-Temperature Sodium-Sulfur Battery

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 Na2 S, bringing a tripled specific capacity a...

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Bibliographic Details
Published inAdvanced materials (Weinheim) Vol. 26; no. 8; pp. 1261 - 1265
Main Authors Xin, Sen, Yin, Ya-Xia, Guo, Yu-Guo, Wan, Li-Jun
Format Journal Article
LanguageEnglish
Published Germany Blackwell Publishing Ltd 26.02.2014
Subjects
cathode materials
Cathodes
Cycles
Electrochemistry
nanomaterials
room temperature
Sodium sulfur batteries
Stability
Sulfur
cathode materials
room temperature
nanomaterials
electrochemistry
sodium-sulfur batteries
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Summary: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 Na2 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.
Bibliography:National Basic Research Program of China - No. 2011CB935700; No. 2012CB932900
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ArticleID:ADMA201304126
istex:45794E9A64A201A39FF403777213E1FA218E6597
"Strategic Priority Research Program" of the Chinese Academy of Sciences - No. XDA09010300
National Natural Science Foundation of China - No. 51225204; No. 91127044; No. 21121063
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ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.201304126