Chen Chih-Yao, Tsuda Tetsuya, Kuwabata Susumu
Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan.
Chem Commun (Camb). 2020 Dec 18;56(97):15297-15300. doi: 10.1039/d0cc06547a. Epub 2020 Nov 14.
A series of inorganic AlCl-alkali metal thiocyanate (ASCN: A = Li, Na, K) ionic liquids (ILs) are demonstrated as electrolytes for Al electrodeposition and Al-anion rechargeable batteries (AARBs) at 303-363 K. Al deposits with a unique flake nanostructure are obtained in these electrolytes. The assembled AARBs show a stable cyclability over 250 cycles with a reversible capacity of ca. 70 mA h (g-graphite) at 363 K. These inorganic ILs inherit the advantages of conventional chloroaluminate ILs (applicability at near-ambient temperature) and molten salts (cost effectiveness), making them promising electrolyte candidates for industrializable electrochemical Al technologies.
一系列无机AlCl-碱金属硫氰酸盐（ASCN：A = Li、Na、K）离子液体（ILs）被证明可作为303 - 363 K下铝电沉积和铝阴离子可充电电池（AARBs）的电解质。在这些电解质中获得了具有独特片状纳米结构的铝沉积物。组装的AARBs在363 K下显示出超过250次循环的稳定循环性，可逆容量约为70 mA h（g-石墨）。这些无机离子液体继承了传统氯铝酸盐离子液体（近环境温度适用性）和熔盐（成本效益）的优点，使其成为可工业化电化学铝技术的有前景的电解质候选物。
