Insight into an unusual lanthanum effect on the oxygen reduction reaction activity of Ruddlesden-Popper-type cation-nonstoichiometric La2−xNiO4+δ (x = 0

Insight into an unusual lanthanum effect on the oxygen reduction reaction activity of Ruddlesden-Popper-type cation-nonstoichiometric La2−xNiO4+δ (x = 0–0.1) oxides

Published:2015 Issue:12 Volume:3 Page:6501-6508
ISSN:2050-7488
Container-title:J. Mater. Chem. A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Chen Yubo¹²³⁴,Qian Baoming¹²³⁴,Yang Guangming¹²³⁴,Chen Dengjie⁵⁶⁷,Shao Zongping¹²³⁴⁸

Affiliation:

1. State Key Laboratory of Materials-Oriented Chemical Engineering

2. College of Chemistry & Chemical Engineering

3. Nanjing Tech University

4. Nanjing 210009, China

5. Department of Mechanical and Aerospace Engineering

6. The Hong Kong University of Science and Technology

7. Hong Kong, SAR China

8. College of Energy

Abstract

It is proven for the first time that La₂NiO_4+δ cannot tolerate a high La-deficiency. The catalytic performance of nominal La-deficient La₂NiO_4+δ is poor due to the presence of the La₃Ni₂O₇ phase.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2015/TA/C4TA07176J

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