High energy lithium-oxygen batteries - Transport barriers and thermodynamics

Abstract
We show that it is possible to achieve higher energy density lithium-oxygen batteries by simultaneously lowering the discharge overpotential and increasing the discharge capacity via thermodynamic variables alone. By assessing the relative effects of temperature and pressure on the cell discharge profiles, we characterize and diagnose the critical roles played by multiple dynamic processes that have hindered implementation of the lithium-oxygen battery. © 2012 The Royal Society of Chemistry.

Citation
Das, S. K., Xu, S., Emwas, A.-H., Lu, Y. Y., Srivastava, S., & Archer, L. A. (2012). High energy lithium–oxygen batteries – transport barriers and thermodynamics. Energy & Environmental Science, 5(10), 8927. doi:10.1039/c2ee22470d

Acknowledgements
This publication was based on work supported in part by the Energy Materials Center at Cornell, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Basic Energy Sciences under Award Number DE-SC0001086, and by Award No. KUS-C1-018-02, made by King Abdullah University of Science and Technology (KAUST). Facilities available through the Cornell Center for Materials Research (CCMR) were also used for this study. The authors thank Jay Hoon Park for assistance with the Raman scattering measurements.

Publisher
Royal Society of Chemistry (RSC)

Journal
Energy & Environmental Science

DOI
10.1039/c2ee22470d

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