Insight into the interfacial reaction mechanism of FEC and NaF on Na for high performance sodium metal batteries
Jinbiao Chen, Tianyong Liu, Mihai Chu, Kaichen Yu, Xintai Xie, Kaiji Lin, Yifeng Cheng, Xin Zhang, Jie Li, Zhicong Shi
Abstract
The presence of both NaF on the surface and FEC in electrolyte enables an effective SEI on Na anodes with high NaF content in the outer layer even after long term cycling, which secures the cycle life of sodium metal batteries.
Topics & Concepts
MetalSodiumChemistryChemical engineeringMaterials scienceInorganic chemistryOrganic chemistryEngineeringAdvanced Battery Materials and TechnologiesInorganic Chemistry and MaterialsAdvancements in Battery Materials