Tokyo researchers develop lanthanoid catalyst for lower-temperature methane conversion
Researchers at the Institute of Science Tokyo in Japan have developed a new lanthanoid-based high-entropy oxide catalyst that enables oxidative coupling of methane at lower temperatures.
New catalyst design addresses stability issues
Conventional catalysts for this reaction require operating temperatures near 800 C and suffer from substantial deactivation during prolonged operation. The new materials incorporate five or more metallic elements into a common crystal structure to improve performance. This approach aims to solve the fundamental selectivity challenge where products readily overoxidize to carbon oxides.
Team led by Professor Keigo Kamata
Professor Keigo Kamata from the Materials and Structures Laboratory leads the research team alongside Assistant Professor Keiju Wachi. They are working at the Institute of Integrated Research within Science Tokyo to achieve high product yields. The goal is to overcome the hurdle of activating stable C-H bonds in methane without reaching extreme heat.
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