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Deep eutectic solvents (DESs) have emerged as potential green alternatives to volatile organic solvents due to their low toxicity and cost-effectiveness. This study focuses on novel magnesiumMagnesium-containing DESs, employing two diols, namely, 1,3-propanediol and 1,2-butanediol, as hydrogenHydrogen bond donors (HBDs), and choline chloride as the hydrogenHydrogen bond acceptor (HBA), with magnesiumMagnesium chloride (MgCl2) serving as the solute. Six types of novel magnesiumMagnesium-containing DESs were synthesized, and their physical propertiesProperties were experimentally determined. Among the prepared DESs, the system with a choline chloride-to-1,2-butanediol molar ratio of 1:2 exhibited superior performance, demonstrating a conductivityConductivity of 2.763 mS·cm−1, a viscosityViscosity of 87 mPa·s, and an electrochemical window of 1.8 V. These results indicate that this novel magnesiumMagnesium-containing DES is a promising electrolyte candidate for magnesiumMagnesium electrodeposition.

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Experimental Study on the Physical Properties of a Novel Magnesium-Containing Deep Eutectic Solvent Based on Choline Chloride

  • 会议论文

  • 发表日期：

    2026年

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  • Li Gao,
  • Xiaoping Liang,
  • Chen Yang,
  • Yu Wang

摘要

Deep eutectic solvents (DESs) have emerged as potential green alternatives to volatile organic solvents due to their low toxicity and cost-effectiveness. This study focuses on novel magnesiumMagnesium-containing DESs, employing two diols, namely, 1,3-propanediol and 1,2-butanediol, as hydrogenHydrogen bond donors (HBDs), and choline chloride as the hydrogenHydrogen bond acceptor (HBA), with magnesiumMagnesium chloride (MgCl2) serving as the solute. Six types of novel magnesiumMagnesium-containing DESs were synthesized, and their physical propertiesProperties were experimentally determined. Among the prepared DESs, the system with a choline chloride-to-1,2-butanediol molar ratio of 1:2 exhibited superior performance, demonstrating a conductivityConductivity of 2.763 mS·cm−1, a viscosityViscosity of 87 mPa·s, and an electrochemical window of 1.8 V. These results indicate that this novel magnesiumMagnesium-containing DES is a promising electrolyte candidate for magnesiumMagnesium electrodeposition.