Boosting reaction kinetics of polycrystalline phase Fe<sub>7</sub>S<sub>8</sub>/FeS<sub>2</sub> heterostructures encapsulated in hollow carbon nanofibers for superior fast sodium storage
Hui Cai, Fei Wang, Huiyan Feng, Zhendong Liu, Chengzhi Zhang, Anbang Lu, Zhao Xia, Qiuhong Lu, Quanbing Liu, Jun Tan
Abstract
An Fe 7 S 8 /FeS 2 heterojunction grown in hollow fibers was designed. This heterojunction can regulate the valence state of iron sulfide, further change its crystal phase, increase the diffusion coefficient, and contribute to high-rate in SIBs.
Topics & Concepts
HeterojunctionMaterials scienceCrystalliteValence (chemistry)KineticsSulfideCarbonationAnalytical Chemistry (journal)Chemical engineeringOptoelectronicsChemistryMetallurgyComposite materialOrganic chemistryQuantum mechanicsEngineeringChromatographyPhysicsAdvancements in Battery MaterialsMXene and MAX Phase MaterialsMagnetic Properties and Synthesis of Ferrites