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EIS study of the influence of BrCl on the behavior of electrodes in Li/SOCl2 cells

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Abstract

The influence of BrCl on the impedance response of both the lithium anode and the carbon cathode in Li/SOCl2 cells was studied. The impedance of the lithium anode increases with storage time while the addition of BrCl to Li/SOCl2 cells decreases the impedance. However, the porous carbon cathode shows a small film resistance before discharge. The addition of BrCl to Li/SOCl2 cells also decreases the impedance, especially for that part of the interface reaction resistance R2. As a rule, the film resistance of the lithium anode decreases sharply during the early period of discharge, while that of the porous carbon cathode rises rapidly. It follows that the porous carbon cathode is the rate controlling electrode during discharge.

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Acknowledgements

Support of this study by Shanghai Leading Academic Discipline Project (Project Number: p1304), Science and Technology Commission of Shanghai (Project Numbers: 06DZ22010 and 061612043) are gratefully acknowledged.

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Authors and Affiliations

  1. Electrochemical Research Group, Shanghai University of Electric Power, Shanghai, 200090, China

    Hong-Hua Ge, Yong-Sheng Guo, Rui-Feng Guo, Yi-Ping Wu & Guo-Ding Zhou

  2. Department of Chemical Engineering, Shanghai University, Shanghai, 200444, China

    Yong-Sheng Guo & Rui-Feng Guo

Authors
  1. Hong-Hua Ge
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  2. Yong-Sheng Guo
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  3. Rui-Feng Guo
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  4. Yi-Ping Wu
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  5. Guo-Ding Zhou
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Correspondence to Hong-Hua Ge.

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Ge, HH., Guo, YS., Guo, RF. et al. EIS study of the influence of BrCl on the behavior of electrodes in Li/SOCl2 cells. J Appl Electrochem 39, 155–158 (2009). https://doi.org/10.1007/s10800-008-9660-x

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  • DOI: https://doi.org/10.1007/s10800-008-9660-x

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