DataVXACS Applied Materials & InterfacesPaper
journal article·2015-10-14

Interphase Evolution of a Lithium-Ion/Oxygen Battery

Giuseppe Antonio Elia, Dominic Bresser, Jakub Reiter, Philipp Oberhumer, Yang-Kook Sun, Bruno Scrosati, Stefano Passerini, Jusef Hassoun

ACS Applied Materials & Interfaces· Volume 7· Issue 40
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Source abstract

Abstract

A novel lithium-ion/oxygen battery employing Pyr14TFSI-LiTFSI as the electrolyte and nanostructured LixSn-C as the anode is reported. The remarkable energy content of the oxygen cathode, the replacement of the lithium metal anode by a nanostructured stable lithium-alloying composite, and the concomitant use of nonflammable ionic liquid-based electrolyte result in a new and intrinsically safer energy storage system. The lithium-ion/oxygen battery delivers a stable capacity of 500 mAh g(-1) at a working voltage of 2.4 V with a low charge-discharge polarization. However, further characterization of this new system by electrochemical impedance spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy reveals the progressive decrease of the battery working voltage, because of the crossover of oxygen through the electrolyte and its direct reaction with the LixSn-C anode.
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Research context

Energy storageMetals & alloysNanomaterialsComposites

OpenAlex topics: Advanced Battery Materials and Technologies · Advanced Battery Technologies Research · Advancements in Battery Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Chemistry Department, University of Rome−La Sapienza, Piazzale Aldo Moro 5, 00185 Rome, Italy

Electrochemistry I, Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081 Ulm, Germany

Karlsruher Institute of Technology (KIT), P.O. Box 3640, 76021 Karlsruhe, Germany

INAC/SPRAM/PCI, CEA Grenoble, UMR-5819, CEA-CNRS-UJF, 17 Rue de Martyrs, 38054 Grenoble, Cedex 9, France

BMW Group, Petuelring 130, 80788 Munich, Germany

Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea

Elettrochimica ed Energia, 00199 Rome, Italy

Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy

Funding

BMW Group

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