An electrochemical impedance spectroscopy investigation of the overpotentials in Li-O2 batteries.

作者: Jonathan Højberg , Bryan D. McCloskey , Johan Hjelm , Tejs Vegge , Keld Johansen

DOI: 10.1021/AM5083254

关键词: CathodeMaterials scienceAnalytical chemistryElectrical impedanceChemical physicsDielectric spectroscopySudden deathGlassy carbonCharge transfer coefficientOverpotentialInternal resistance

摘要: … OCV was measured as a function of discharge and charge to ensure an accurate determination of the overpotential… Three representative discharge curves show how the plateau voltage …

参考文章(34)
Doron Aurbach, Arie Zaban, Alexander Schechter, Yair Ein‐Eli, Ella Zinigrad, Boris Markovsky, The Study of Electrolyte Solutions Based on Ethylene and Diethyl Carbonates for Rechargeable Li Batteries: I . Li Metal Anodes Journal of The Electrochemical Society. ,vol. 142, pp. 2873- 2882 ,(1995) , 10.1149/1.2048658
JS Hummelshøj, Alan C Luntz, JK Nørskov, None, Theoretical evidence for low kinetic overpotentials in Li-O2 electrochemistry Journal of Chemical Physics. ,vol. 138, pp. 034703- 034703 ,(2013) , 10.1063/1.4773242
K. F. Young, H. P. R. Frederikse, Compilation of the Static Dielectric Constant of Inorganic Solids Journal of Physical and Chemical Reference Data. ,vol. 2, pp. 313- 410 ,(1973) , 10.1063/1.3253121
M. Mehta, G. Mixon, J .P. Zheng, P. Andrei, Analytical Electrochemical Impedance Modeling of Li-Air Batteries under D.C. Discharge Journal of The Electrochemical Society. ,vol. 160, ,(2013) , 10.1149/2.046311JES
J. Jamnik, J. Maier, Generalised equivalent circuits for mass and charge transport: chemical capacitance and its implications Physical Chemistry Chemical Physics. ,vol. 3, pp. 1668- 1678 ,(2001) , 10.1039/B100180I
A. Dunst, V. Epp, I. Hanzu, S. A. Freunberger, M. Wilkening, Short-range Li diffusion vs. long-range ionic conduction in nanocrystalline lithium peroxide Li2O2—the discharge product in lithium-air batteries Energy and Environmental Science. ,vol. 7, pp. 2739- 2752 ,(2014) , 10.1039/C4EE00496E
J. S. Hummelshøj, J. Blomqvist, S. Datta, T. Vegge, J. Rossmeisl, K. S. Thygesen, A. C. Luntz, K. W. Jacobsen, J. K. Nørskov, Communications: Elementary oxygen electrode reactions in the aprotic Li-air battery Journal of Chemical Physics. ,vol. 132, pp. 071101- 071101 ,(2010) , 10.1063/1.3298994
O Barbieri, M Hahn, A Herzog, R Kötz, None, Capacitance limits of high surface area activated carbons for double layer capacitors Carbon. ,vol. 43, pp. 1303- 1310 ,(2005) , 10.1016/J.CARBON.2005.01.001
Yedilfana S. Mekonnen, Kristian B. Knudsen, Jon S. G. Mýrdal, Reza Younesi, Jonathan Højberg, Johan Hjelm, Poul Norby, Tejs Vegge, Communication: The influence of CO2 poisoning on overvoltages and discharge capacity in non-aqueous Li-Air batteries Journal of Chemical Physics. ,vol. 140, pp. 121101- ,(2014) , 10.1063/1.4869212
Bryan D. McCloskey, Rouven Scheffler, Angela Speidel, Girish Girishkumar, Alan C. Luntz, On the Mechanism of Nonaqueous Li–O2 Electrochemistry on C and Its Kinetic Overpotentials: Some Implications for Li–Air Batteries Journal of Physical Chemistry C. ,vol. 116, pp. 23897- 23905 ,(2012) , 10.1021/JP306680F