Research on the Co-free Intelligent Catalyst

Isao Tan; Hirohisa Tanaka; Mari Uenishi; Nobuhiko Kajita; Masashi Taniguchi; Yasuo Nishihata; Junichiro Mizuki

doi:10.4271/2003-01-0812

2003-03-03

Research on the Co-free Intelligent Catalyst 2003-01-0812

We have already reported that a LaFeCoPdO₃ perovskite catalyst has the function for self-regeneration of Pd [1, 2, 3, 4, 5 and 6]. But cobalt was recognized as an environmental burden. In order to prepare for its practical application, we examined the composition of perovskite without cobalt.

In this paper, we have investigated the catalytic activity, the structural durability and the regenerative ability of Co-free perovskites LaFePdO₃, in comparison with LaFeCoPdO₃ and Pd/Al₂O₃. As a result, the structural durability of LaFePdO₃ is high, and the light-off performance is excellent even after aging. “Co-free Intelligent Catalyst” is regarded as the next technology for practical use especially as it is efficient in the reduction of emissions at cold starting.

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Research on the Co-free Intelligent Catalyst 2003-01-0812

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