Ambient Lithium–SO 2  Batteries with Ionic Liquids as Electrolytes | Zendy

Xing Huabin | Zendy; Liao Chen | Zendy; Yang Qiwei | Zendy; Veith Gabriel M. | Zendy; Guo Bingkun | Zendy; Sun XiaoGuang | Zendy; Ren Qilong | Zendy; Hu YongSheng | Zendy; Dai Sheng | Zendy

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Ambient Lithium–SO 2 Batteries with Ionic Liquids as Electrolytes

Author(s) -

Xing Huabin,

Liao Chen,

Yang Qiwei,

Veith Gabriel M.,

Guo Bingkun,

Sun XiaoGuang,

Ren Qilong,

Hu YongSheng,

Dai Sheng

Publication year - 2014

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201309539

Subject(s) - ionic liquid , electrolyte , flammable liquid , battery (electricity) , lithium (medication) , absorption (acoustics) , energy density , ionic bonding , chemical engineering , inorganic chemistry , materials science , energy storage , chemistry , ion , organic chemistry , electrode , engineering physics , catalysis , thermodynamics , medicine , power (physics) , physics , engineering , composite material , endocrinology

Li‐SO 2 batteries have a high energy density but bear serious safety problems that are associated with pressurized SO 2 and flammable solvents in the system. Herein, a novel ambient Li‐SO 2 battery was developed through the introduction of ionic liquid (IL) electrolytes with tailored basicities to solvate SO 2 by reversible chemical absorption. By tuning the interactions of ILs with SO 2 , a high energy density and good discharge performance with operating voltages above 2.8 V were obtained. This strategy based on reversible chemical absorption of SO 2 in IL electrolytes enables the development of the next generation of ambient Li‐SO 2 batteries.

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