In-situ construction of NiCo2O4 nanoarrays on La0.8Sr0.2MnO3-δ electrodes for intermediate temperature solid oxide fuel cells

Novel NiCo 2 O 4 nanoarrays have been in-situ grown on a La 0.8 Sr 0.2 MnO 3-δ (LSM) cathode through a hydrothermal method, which presents the enhanced electrochemical performances of the LSM cathode for the intermediate temperature solid oxide fuel cells. XRD and SEM have been used to characterize...

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Bibliographic Details
Published in:Journal of solid state electrochemistry 2018-08, Vol.22 (8), p.2367-2374
Main Authors: Qi, Wentao, Wei, Haoshan, Zhang, Yong, Liu, Jiaqin, Zhou, Qi, Wang, Wenfang, Cui, Jiewu, Wang, Yan, Chen, Chuansheng, Wu, Yucheng
Format: Article
Language:English
Subjects:
Analytical Chemistry
Cathodes
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Electrochemistry
Energy Storage
Morphology
Nickel compounds
Original Paper
Performance enhancement
Physical Chemistry
Solid oxide fuel cells
Solid phases
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Summary:Novel NiCo 2 O 4 nanoarrays have been in-situ grown on a La 0.8 Sr 0.2 MnO 3-δ (LSM) cathode through a hydrothermal method, which presents the enhanced electrochemical performances of the LSM cathode for the intermediate temperature solid oxide fuel cells. XRD and SEM have been used to characterize phase structure and morphology of NiCo 2 O 4 nanoarrays. The LSM cathode, modified by the NiCo 2 O 4 nanoarrays, exhibits excellent electrochemical performances compared with the bare LSM cathode. The maximum peak power density of single cell, based on the NiCo 2 O 4 nanoarrays modified the LSM cathode, reaches 957 mW cm −2 at 800 °C, which is almost two times higher than that for the cell based on the bare LSM cathode.
ISSN:1432-8488
1433-0768
DOI:10.1007/s10008-018-3944-9