Transport Features in Layered Nickelates: Correlation between Structure, Oxygen Diffusion, Electrical and Electrochemical Properties | Sciact - CRIS-system of Boreskov Institute of Catalysis

Transport Features in Layered Nickelates: Correlation between Structure, Oxygen Diffusion, Electrical and Electrochemical Properties Full article

Journal

Ionics
ISSN: 0947-7047 , E-ISSN: 1862-0760

Output data

Year: 2018, Volume: 24, Number: 4, Pages: 1181-1193 Pages count : 13 DOI: 10.1007/s11581-017-2279-3

Tags

Electrochemical performance, Isotope exchange, Ln2NiO4 + δ, Ruddlesden–Popper phase, SOFC cathode

Authors

Sadykov V.A. ^1,2 , Sadovskaya E.M. ^1,2 , Pikalova E.Yu. ^3,4 , Kolchugin A.A. ^3,4 , Filonova E.A. ⁴ , Pikalov S.M. ⁵ , Eremeev N.F. ¹ , Ishchenko A.V. ^1,2 , Lukashevich A.I. ¹ , Bassat J.M. ⁶

Affiliations

1	Boreskov Institute of Catalysis SB RAS, Novosibirsk 630090, Russia
2	Novosibirsk State University, Novosibirsk 630090, Russia
3	Institute of High Temperature Electrochemistry UB RAS, Yekaterinburg 620137, Russia
4	Ural Federal University, Yekaterinburg 620002, Russia
5	Institute of Metallurgy UB RAS, Yekaterinburg 620016, Russia
6	Institut de Chimie de la Matière Condensée de Bordeaux, 33608 Pessac Cedex, France

Funding (3)

1	Russian Science Foundation	16-13-00112
2	Russian Science Foundation	16-19-00104
3	The Ministry of Education and Science of the Russian Federation	02.A03.21.0006

Oxygen migration is increasingly acknowledged as playing an important role in the ionic transport in mixed conductors and influencing the electrode electrochemical performance. The aim of this work was to establish correlations between the structural and electrical properties of undoped (Ln2NiO4 + δ, Ln = La, Pr) and doped (La1.7M0.3NiO4 + δ, M = Ca, Sr, Ba, La0.85Pr0.85Ca0.3NiO4 + δ, Pr1.7Ca0.3NiO4 + δ) layered nickelates and the oxygen diffusion in these materials to determine what influences their electrochemical response. A new technique for temperature programmed isotope exchange of oxides with C18O2 in a flow reactor was applied to investigate oxygen mobility and surface reactivity in the polycrystalline powder samples which provided the means to experimentally demonstrate the appearance of two channels of oxygen migration in the doped materials via cooperative mechanism and via near-dopant position. The electrochemical performance of the electrodes based on the developed materials was found to exhibit a strong dependence on their oxygen transport characteristics.

Sadykov V.A. , Sadovskaya E.M. , Pikalova E.Y. , Kolchugin A.A. , Filonova E.A. , Pikalov S.M. , Eremeev N.F. , Ishchenko A.V. , Lukashevich A.I. , Bassat J.M.
Transport Features in Layered Nickelates: Correlation between Structure, Oxygen Diffusion, Electrical and Electrochemical Properties
Ionics. 2018. V.24. N4. P.1181-1193. DOI: 10.1007/s11581-017-2279-3 WOS Scopus РИНЦ AN OpenAlex

Submitted:	Jul 14, 2017
Accepted:	Sep 12, 2017
Published online:	Sep 24, 2017
Published print:	Apr 1, 2018

Web of science:	WOS:000428070800023
Scopus:	2-s2.0-85029769640
Elibrary:	35483262
Chemical Abstracts:	2017:1549522
OpenAlex:	W2760276077

DB	Citing
Web of science	37
Scopus	40
Elibrary	37
OpenAlex	43