Controlling the Growth of Ni3S2 Anode with Tunable Sodium Storage. Issue 11 (2nd March 2018)

• Record Type: Journal Article
• Authors: Song, Xiaosheng; Li, Xifei; Bai, Zhimin; Yan, Bo; Li, Dejun
• Is Part Of: Advanced materials interfaces. Volume 5:Issue 11(2018)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2018-03-02
• Subjects: density functional theory -- morphology evolution -- nickel sulfide -- sodium ion batteries -- surface treatment; Materials science -- Periodicals; 620.11
• DOI: 10.1002/admi.201701684
• Languages: English
• ISSNs: 2196-7350

Abstract

Abstract: The influences of acids on the surface of nickel foam and its effect on the growth of nickel sulfide are studied. Treated by sulfuric acid, oxalic acid, and phosphoric acid, three Ni foams are fabricated with different surface states containing different surface roughness and different surface layers with nickel salts. By controlling the reaction conditions, three Ni3 S2 morphological structures with nanosheets, clustered nanosheets, and nanoparticles are designed on these preprocessed Ni foams. The applications of these Ni3 S2 /Ni electrodes for sodium ion batteries are examined in detail. The findings provide a new idea for the control of the solid–liquid reaction interface, which highly affect the morphologies of Ni3 S2 . Abstract : Using different acids to etch the substrate is adopted to fabricate different architectures of electrode materials through modified reaction interfaces. Based on the method, tunable performance of Ni3 S2 for SIBs is realized. This method can be extended to other metal oxides, sulfides, etc. This study is a valuable example how the interfaces can be manipulated during the crystal growing process.