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Improved electrolyte for zinc-polyaniline batteries

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2010
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Authors
Jugović, Branimir
Trišović, Tomislav
Stevanović, Jasmina
Gvozdenović, Milica M.
Grgur, Branimir
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Abstract
Poster presented at the 37th International conference of the Slovak Society of Chemical Engineering, Vysoké Tatry, Slovakia, May 24-28, 2010
Electrochemical behavior of zinc and polyaniline (PANI) electrode polymerized from 0.1 M HCl and 0.1 M aniline on graphite electrode, in 0.2 M ZnCl2 and 0.50 M NH4Cl (chloride electrolyte) and with addition of 0.33 M Na-citrate (chloride/citrate electrolyte) were investigated. In the chloride/citrate comparing with chloride containing electrolyte for the zinc electrode negative shift of the open circuit potential of 150 mV, decreases of exchange current density for more than order of magnitude and increase of cathodic Tafel slope, due to the zinc ions complexation, were observed. In citrate/chloride electrolyte zinc dendrite formation were completely suppressed. PANI electrodes show better discharge characteristic in chloride/citrate electrolyte with determined maximum discharge capacity of 164 mAh g-1
Keywords:
zinc-polyaniline batteries / electrolytes
Source:
2010
Projects:
  • Modifikacija metalnih i nemetalnih materijala elektroprovodnim polimerima za primenu u novim tehnologijama (RS-142044)
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  • Paper: https://cer.ihtm.bg.ac.rs/handle/123456789/2613
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https://cer.ihtm.bg.ac.rs/handle/123456789/3997
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