Department of Physics, Chalmers University of Technology, Gothenburg, Sweden and Department of Energy Conversion and Storage, Technical University of Denmark, Kgs. Lyngby, Denmark.
Monash University, School of Chemistry, Clayton, Victoria, Australia.
Chem Commun (Camb). 2019 Oct 25;55(83):12523-12526. doi: 10.1039/c9cc06083a. Epub 2019 Oct 2.
The sodium-ion battery (SIB) is proposed as a complementary technology to today's commercially dominant lithium-ion battery (LIB). While much know-how can be transferred from LIBs to SIBs, adjustments are still necessary, not the least for the electrolytes employed. Here the use of anion amphiprotic ionic liquid (AAIL) based electrolytes is proposed for SIB application. Two different AAILs, based on organic trifluoromethylsulfonylamide (TFSAm) and inorganic HSO anions, respectively, doped with NaTFSI salt have been studied, focusing on electrochemical stability and transport properties, complemented by studies of the ion-ion interactions, and final sodium-ion battery performance via stripping/plating vs. sodium metal electrodes.
钠离子电池（SIB）被提议作为当今商业上占主导地位的锂离子电池（LIB）的补充技术。虽然可以从 LIB 转移很多专业知识到 SIB，但仍需要进行调整，尤其是对于所使用的电解质。本文提出了用于 SIB 应用的阴离子两性离子液体（AAIL）基电解质。研究了两种不同的 AAIL，分别基于有机三氟甲磺酸酰胺（TFSAm）和无机 HSO 阴离子，并掺杂了 NaTFSI 盐，重点研究了电化学稳定性和传输性能，同时还研究了离子-离子相互作用，最后通过与钠金属电极的剥离/电镀对比研究了钠离子电池的性能。
