Bin Yuan, Qiuchen Xu, Shanshan Tang, Shitao Geng, Qianyun Chen, Yan Wang, Xiaoju Zhao, Chengxiao Zhang, Shuo Wang, Zhaofeng Ouyang, Hao Sun
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A wide-temperature Li/Cl2 battery using an ester-based electrolyte
A rechargeable lithium/chlorine (Li/Cl2) battery is a promising candidate for energy storage applications. However, the highly corrosive thionyl chloride (SOCl2) solvent in the conventional electrolyte has hindered their practical production and application. Here, we discover that methyl chlorodifluoroacetate (MCDFA), a mild ester, can serve as an effective alternative to SOCl2 to solve the above challenge. The resultant battery using the MCDFA-based electrolyte exhibits a wide operation temperature range from −40 °C to 120 °C, a significant enhancement over conventional rechargeable Li/Cl2 batteries, and is also competitive among state-of-the-art wide-temperature Li metal batteries. Our results offer an effective strategy to address the corrosivity of the SOCl2-based electrolyte in rechargeable Li/Cl2 batteries, and open a new avenue for practical and sustainable energy storage applications.
期刊介绍：
Science China Chemistry, co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China and published by Science China Press, publishes high-quality original research in both basic and applied chemistry. Indexed by Science Citation Index, it is a premier academic journal in the field.
Categories of articles include:
Highlights. Brief summaries and scholarly comments on recent research achievements in any field of chemistry.
Perspectives. Concise reports on thelatest chemistry trends of interest to scientists worldwide, including discussions of research breakthroughs and interpretations of important science and funding policies.
Reviews. In-depth summaries of representative results and achievements of the past 5–10 years in selected topics based on or closely related to the research expertise of the authors, providing a thorough assessment of the significance, current status, and future research directions of the field.
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