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Al/Cl2 battery with slightly acidic NaCl electrolyte. I. Porous graphite chlorine cathodes

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Abstract

Al/Cl2 cells were built using a coaxial cylindrical cell arrangement with cylindrical porous graphite chlorine electrodes and 99.5% Al anodes (cylindrical rods). The electrolyte used was a slightly acidic aqueous NaCl solution containing small amounts of In3+ and Hg2+ as additives. The cells have an open-circuit voltage of 2.6 V and a maximum power density of 55mW cm−2 at a cell voltage of 1.6V with a Faradaic efficiency of 65–70%. A battery consisting of seven cells connected in parallel delivered a maximum power of about 15W.

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Authors and Affiliations

  1. Paul Scherrer Institute, CH-5303, Würenlingen, Switzerland

    J. -F. Equey, S. Müller, A. Tsukada & O. Haas

Authors
  1. J. -F. Equey
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  2. S. Müller
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  3. A. Tsukada
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  4. O. Haas
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Equey, J.F., Müller, S., Tsukada, A. et al. Al/Cl2 battery with slightly acidic NaCl electrolyte. I. Porous graphite chlorine cathodes. J Appl Electrochem 19, 65–68 (1989). https://doi.org/10.1007/BF01039391

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  • DOI: https://doi.org/10.1007/BF01039391

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