Topic
Mixed oxide
About: Mixed oxide is a research topic. Over the lifetime, 5224 publications have been published within this topic receiving 115567 citations.
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TL;DR: The modular catalysts were fabricated via the combination of the Ni-MgO-Al2O3 mixed oxide nanoplates and the mesoporous SiO2 coating and show high catalytic activity with enhanced coke- and sintering-resistance in the dry reforming of methane reaction.
109 citations
TL;DR: In this article, a sol-gel process of preparation of oxide electrocatalysts is investigated to prepare Ni-containing mixed oxides LaNiO3 and NiCo2O4 at moderate temperatures.
109 citations
TL;DR: In this article, a review of supported Ni-Fe alloy catalysts is presented for various reforming reactions such as dry reforming of methane and steam reforming of molecules larger than methane. But the authors do not consider the control of the composition of the Ni/Fe ratio.
109 citations
TL;DR: In this article, the capacitive behavior of the following electrodes is studied by cyclic voltammetry in 0.1m KCl solutions: carbon nano-tubes (CNT), V 2 O 5, V 2O 5 -CNT, and SnO 2 -V 2 O5 −CNT.
109 citations
TL;DR: In this paper, the effect of rare-earth oxide additives on the densification of silicon nitride by pressureless sintering at 1600° to 1700°C and by gas pressure sinterings under 10 MPa of N2 at 1800° to 2000°C was studied.
Abstract: The effect of rare-earth oxide additives on the densification of silicon nitride by pressureless sintering at 1600° to 1700°C and by gas pressure sintering under 10 MPa of N2 at 1800° to 2000°C was studied. When a single-component oxide, such as CeO2, Nd2O3, La2O3, Sm2O3, or Y2O3, was used as an additive, the sintering temperature required to reach approximate theoretical density became higher as the melting temperature of the oxide increased. When a mixed oxide additive, such as Y2O3–Ln2O3 (Ln=Ce, Nd, La, Sm), was used, higher densification was achieved below 2000°C because of a lower liquid formation temperature. The sinterability of silicon nitride ceramics with the addition of rare-earth oxides is discussed in relation to the additive compositions.
108 citations