As the difference was not large ( < 13 kJ mol −1 ) and hardly significant, it can be assumed that ammonia decomposition operates via a similar reaction mechanism for iron- and cobalt-monometallic or bimetallic catalysts in line with the literature reporting that the rate-determining step is the nitrogen desorption step on Fe- and Co-based catalysts 24 .
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Highly loaded bimetallic iron-cobalt catalysts for hydrogen release from ammonia.
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