α-Fe2O3 thin film on stainless steel mesh: A flexible electrode for supercapacitor

Light and flexible energy storage devices have taken great attention from the industrial point of view. We report the deposition of α-Fe2O3 on thin, light weight and flexible stainless steel mesh substrate. Liquid phase deposition (LPD) which is simple, inexpensive and additive/binder free method is...

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Bibliographic Details
Published in:Materials chemistry and physics 2019-03, Vol.225, p.284-291
Main Authors: Khatavkar, Shreelekha N., Sartale, Shrikrishna D.
Format: Article
Language:English
Subjects:
Energy storage
Hematite
Liquid phase deposition
Liquid phases
LPD
Parking facilities
Sodium sulfite
Stainless steel
Stainless steel mesh
Stainless steels
Substrates
Supercapacitor
Thin films
Weight reduction
α-Fe2O3
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Summary:Light and flexible energy storage devices have taken great attention from the industrial point of view. We report the deposition of α-Fe2O3 on thin, light weight and flexible stainless steel mesh substrate. Liquid phase deposition (LPD) which is simple, inexpensive and additive/binder free method is used for deposition. Supercapacitive performance of α-Fe2O3 thin films deposited on stainless steel mesh are studied in 0.5 M Na2SO3 electrolyte. The highest specific capacitance obtained is 960 F g−1 at 4 mA cm−2 from charge-discharge curves. The supercapacitive performance is significantly improved when α-Fe2O3 thin films are deposited on mesh substrate as compared to flat substrate. [Display omitted] •α-Fe2O3 by liquid phase deposition on lightweight and flexible stainless steel mesh.•The maximum specific capacitance 960 Fg-1 at 4 mAcm−2 from charge-discharge curves.•The maximum specific capacitance 548 Fg-1 from the cyclic voltammetry at 5 mVs−1.
ISSN:0254-0584
1879-3312
DOI:10.1016/j.matchemphys.2018.12.079