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Facile Synthesis and Electrochemical Properties of Perovskite‐type CeMnO 3 Nanofibers
Author(s) -
Hu Quanli,
Yue Bin,
Yang Fan,
Shao Hongyang,
Wang Jinghui,
Ji Lei,
Jia Yongfeng,
Wang Yin,
Liu Jinghai
Publication year - 2019
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201903426
Subject(s) - materials science , x ray photoelectron spectroscopy , nanofiber , cyclic voltammetry , supercapacitor , chemical engineering , scanning electron microscope , electrospinning , raman spectroscopy , calcination , perovskite (structure) , specific surface area , electrochemistry , electrode , nanotechnology , chemistry , composite material , catalysis , optics , organic chemistry , physics , engineering , polymer
Perovskite‐type CeMnO 3 nanofibers (NFs) were effectively synthesized via electrospinning and consequent calcination processes. The nanofibers with porous surface exhibit a high specific surface area of 103.88 m 2 g −1 with mesopores. The perovskite CeMnO 3 NFs were characterized by X‐ray diffraction, Raman spectroscopy, UV‐vis diffuse reflectance spectrum, and X‐ray photoelectron spectroscopy. The microstructure and morphology of CeMnO 3 were observed by scanning electron and transmission electron microscopes. The Energy‐dispersive X‐ray spectroscopy manifested the homogeneous distribution of cerium, manganese, and oxygen. The electrochemical properties of CeMnO 3 NFs were implemented using cyclic voltammetry and galvanostatic charge‐discharge in alkaline aqueous electrolyte. The Faradic redox reaction occurred at the electrode surface was precisely concluded. The specific capacitance of CeMnO 3 NFs was 159.59 F g −1 at the current density of 1 A g −1 . This research offers a new strategy to synthesize CeMnO 3 perovskite material for high‐performance supercapacitor, indicating its potential application as a supercapacitor electrode in energy storage devices.