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- W3115477210 abstract "Ruthenium was highly dispersed on graphene aerogel (GA) at high loadings to achieve high performance in COx-free hydrogen production from ammonia. Catalytic performance measurements on ammonia decomposition showed that the GA-supported catalyst with a Ru loading of 13.6 wt% provides an ammonia conversion of 71.5 % at a space-velocity of 30,000 ml NH3 gcat−1 h−1 and at 450 °C, corresponding to a hydrogen production rate of 21.9 mmol H2 gcat−1 min−1. The addition of K increased the ammonia conversion to a record high value of 97.6 % under identical conditions, reaching a hydrogen generation rate of 30.0 mmol H2 gcat−1 min−1, demonstrated to be stable for at least 80 h. A comparison of the turnover frequencies of catalysts indicated that this increase in performance upon the addition of K originated from an increase in the number of the active Ru sites and the corresponding electron density available for reaction." @default.
- W3115477210 created "2021-01-05" @default.
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- W3115477210 date "2021-01-01" @default.
- W3115477210 modified "2023-10-04" @default.
- W3115477210 title "Graphene aerogel-supported ruthenium nanoparticles for COx-free hydrogen production from ammonia" @default.
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- W3115477210 doi "https://doi.org/10.1016/j.apcata.2020.117969" @default.
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