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All solid state rechargeable aluminum–air battery with deep eutectic solvent based electrolyte and suppression of byproducts formation
In order to create a rechargeable aluminum (Al)–air battery, an aluminum–air battery with a deep eutectic solvent-based solid electrolyte was prepared. The prepared battery demonstrated a capacity smaller than the theoretical value although we observed stable electrochemical reactions. When TiN was used as an air cathode material, byproducts of the aluminum–air battery such as Al(OH) _(3) and Al _(2) O _(3) were not detected on either the Al anode nor the air cathode. Even though we did not detect byproducts, we observed NaCl and NH _(4) Cl phases on the air cathode, and they did not hinder the electrochemical reaction.
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