气候变化领域集成服务门户(CCPortal): Polyeutectic-based stable and effective electrolytes for high-performance energy storage systems

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DOI	10.1039/d0ee03100c
	Polyeutectic-based stable and effective electrolytes for high-performance energy storage systems
	Zhang C.; Niu Z.; Bae J.; Zhang L.; Zhao Y.; Yu G.
发表日期	2021
ISSN	17545692
起始页码	931
结束页码	939
卷号	14 期号:2
英文摘要	Solid polymer electrolyte (SPE) is a promising alternative to existing liquid electrolytes for next-generation solid-state alkali metal batteries for better safety and higher performance. However, the existing SPEs suffer from low ionic conductivity as well as limited chemistries that satisfy practical implementation. Here we report a new class of polyeutectic electrolyte (PEE) for high-performance energy storage applications. The interaction between alkali bis(trifluoromethanesulfonyl)imide (TFSI) salts (LiTFSI, NaTFSI and KTFSI) and N-isopropylacrylamide molecules (polymer precursor) was found to play an important role in both the formation of eutectic electrolyte and the subsequent polymerization process. The as-prepared PEE exhibited high ionic conductivity of 1.3 × 10-4 S cm-1 at room temperature and wide electrochemical window, enabling high capacity and excellent stability both in symmetrical cells and all-solid-state alkali metal batteries. Meanwhile, when serving as a separator in redox flow batteries, the modified separator displayed enhanced cell Coulombic efficiency (nearly 99.9%) compared with the commercial Celgard separator (ca. 95%). The results in this work showcase the effectiveness and versatility of PEE for high-performance electrical energy storage systems. © The Royal Society of Chemistry.
英文关键词	Acrylic monomers; Alkali metals; Amides; Data storage equipment; Energy storage; Flow batteries; Ionic conduction in solids; Ionic conductivity; Separators; Solid electrolytes; Solid-State Batteries; Bis(trifluoromethane sulfonyl)imide; Electrical energy storage systems; Electrochemical window; Energy storage applications; Energy storage systems; N- isopropylacrylamide; Polymerization process; Solid polymer electrolytes; Polyelectrolytes; alkali metal; detection method; electrolyte; electronic equipment; energy storage; fuel cell; performance assessment; polymer; polymerization; temperature effect
语种	英语
来源期刊	Energy & Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/190772
作者单位	Materials Science and Engineering Program, Texas Materials Institute, The University of Texas, Austin, TX 78712, United States; Institute of Functional Nano and Soft Materials, Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Collaborative Innovation Center of Suzhou Nano Science and Technology, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, 199 Renai Road Suzhou Industrial Park, Suzhou Jiangsu, 215123, China; School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo Shandong, 250049, China
推荐引用方式 GB/T 7714	Zhang C.,Niu Z.,Bae J.,et al. Polyeutectic-based stable and effective electrolytes for high-performance energy storage systems[J],2021,14(2).
APA	Zhang C.,Niu Z.,Bae J.,Zhang L.,Zhao Y.,&Yu G..(2021).Polyeutectic-based stable and effective electrolytes for high-performance energy storage systems.Energy & Environmental Science,14(2).
MLA	Zhang C.,et al."Polyeutectic-based stable and effective electrolytes for high-performance energy storage systems".Energy & Environmental Science 14.2(2021).