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Ionics

, Volume 22, Issue 12, pp 2341–2346 | Cite as

A low-cost, high-energy polymer lithium-sulfur cell using a composite electrode and polyethylene oxide (PEO) electrolyte

  • Lorenzo Carbone
  • Jusef Hassoun
Original Paper

Abstract

Herein, we report a polymer cell using high-energy lithium metal anode, a composite sulfur-carbon cathode, and polyethylene oxide (PEO)-lithium trifluoromethan sulfonate (LiCF3SO3) electrolyte. The limited cost of raw materials as well as the very simple synthetic procedures, involving planetary ball milling (for S-C cathode) and solvent casting (for PEO-electrolyte), are expected to reflect into remarkable reduction of the economic impact of the proposed battery. Furthermore, the high energy of the Li-S cell and safety of the polymer configuration represent additional bonuses of the system. The S-C material, revealing a maximum capacity as high as 700 mAh g−1 in liquid electrolyte, is employed in a lithium-sulfur battery with the polymer configuration. The polymer cell delivers a capacity of 450 mAh g−1 at a voltage of about 2 V; hence, a theoretical energy density of 900 Wh kg−1 that may reflect into a high practical value, suitable for energy storage applications.

Keywords

Sulfur cathodes Polymer electrolytes Lithium batteries 

Notes

Acknowledgment

The authors thank the collaboration project “Accordo di Collaborazione Quadro 2015” between University of Ferrara (Department of Chemical and Pharmaceutical Sciences) and Sapienza University of Rome (Chemistry Department). One of us (LC) would thank the Erasmus Placement Project performed in Volkswagen AG, Hanau, Germany.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Chemistry DepartmentSapienza University of RomeRomeItaly
  2. 2.Department of Chemical and Pharmaceutical SciencesUniversity of FerraraFerraraItaly

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