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Issue 15, 2016
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NiFe2O4 as an active component of a platinum group metal-free automotive three-way catalyst

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Abstract

To develop a platinum group metal (PGM)-free automotive three-way catalyst (TWC), we investigated the structure–activity relationship for Fe–Ni oxide catalysts and found NiFe2O4 with a spinel structure is an active component of the three-way catalytic reaction (NO–C3H6–CO–O2). The NiFe2O4 catalyst exhibited a light-off temperature below 300 °C for NO reduction, which was more than 50 °C lower than previously reported PGM-free TWCs at a high space velocity (GHSV = 140 000 h−1).

Graphical abstract: NiFe2O4 as an active component of a platinum group metal-free automotive three-way catalyst

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Article information


Submitted
11 Apr 2016
Accepted
23 Jun 2016
First published
27 Jun 2016

Catal. Sci. Technol., 2016,6, 5797-5800
Article type
Communication

NiFe2O4 as an active component of a platinum group metal-free automotive three-way catalyst

K. Ueda, C. A. Ang, Y. Ito, J. Ohyama and A. Satsuma, Catal. Sci. Technol., 2016, 6, 5797
DOI: 10.1039/C6CY00795C

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