An Advanced Lithium–Air Battery Exploiting an Ionic Liquid-Based Electrolyte | Zendy

Giuseppe Antonio Elia | Zendy; Jusef Hassoun | Zendy; WonJin Kwak | Zendy; YangKook Sun | Zendy; Bruno Scrosati | Zendy; Franziska Mueller | Zendy; Dominic Bresser | Zendy; Stefano Passerini | Zendy; Philipp Oberhumer | Zendy; Nikolaos Tsiouvaras | Zendy; J. Reiter | Zendy

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An Advanced Lithium–Air Battery Exploiting an Ionic Liquid-Based Electrolyte

Author(s) -

Giuseppe Antonio Elia,

Jusef Hassoun,

WonJin Kwak,

YangKook Sun,

Bruno Scrosati,

Franziska Mueller,

Dominic Bresser,

Stefano Passerini,

Philipp Oberhumer,

Nikolaos Tsiouvaras,

J. Reiter

Publication year - 2014

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/nl5031985

Subject(s) - electrolyte , battery (electricity) , x ray photoelectron spectroscopy , lithium (medication) , dielectric spectroscopy , electrochemistry , materials science , ionic liquid , chemical engineering , electrode , analytical chemistry (journal) , chemistry , catalysis , medicine , power (physics) , physics , biochemistry , quantum mechanics , chromatography , engineering , endocrinology

A novel lithium-oxygen battery exploiting PYR14TFSI-LiTFSI as ionic liquid-based electrolyte medium is reported. The Li/PYR14TFSI-LiTFSI/O2 battery was fully characterized by electrochemical impedance spectroscopy, capacity-limited cycling, field emission scanning electron microscopy, high-resolution transmission electron microscopy, and X-ray photoelectron spectroscopy. The results of this extensive study demonstrate that this new Li/O2 cell is characterized by a stable electrode-electrolyte interface and a highly reversible charge-discharge cycling behavior. Most remarkably, the charge process (oxygen oxidation reaction) is characterized by a very low overvoltage, enhancing the energy efficiency to 82%, thus, addressing one of the most critical issues preventing the practical application of lithium-oxygen batteries.

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