A gradient hexagonal-prism Fe<sub>3</sub>Se<sub>4</sub>@SiO<sub>2</sub>@C configuration as a highly reversible sodium conversion anode
Wenxi Zhao, Xiaoqing Ma, Luchao Yue, Longcheng Zhang, Yongsong Luo, Yuchun Ren, Xian‐En Zhao, Na Li, Bo Tang, Qian Liu, Yang Liu, Shuyan Gao, Abdulmohsen Ali Alshehri, Xuping Sun
Abstract
A gradient hexagonal-prism Fe3Se4@SiO2@C configuration was exquisitely developed and used as an anode for sodium ion batteries, affording an ultrastable cycling lifespan over 4200 cycles with a competitive capacity of 272 mA h g −1 at 20.0 A g −1 .
Topics & Concepts
AnodeHexagonal crystal systemPrismHexagonal prismSodiumMaterials scienceIonConcentration gradientCrystallographyOpticsChemistryElectrodePhysicsMetallurgyPhysical chemistryOrganic chemistryEnvironmental chemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesInorganic Chemistry and Materials