Citation:
Bingsen Zhang, Aiguo Zheng, Xiaoli Pan, Yiming Niu, Xiaoxin Zhang, Dangsheng Su, Baoning Zong. Microstructure of rapidly quenched Ni-Al based catalysts by advanced electron microscopy[J]. Chinese Journal of Catalysis,
;2015, 36(10): 1662-1667.
doi:
10.1016/S1872-2067(15)60925-1
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The microstructure of air-sensitive Raney-type catalysts directly determines their activity and selectivity for a catalytic reaction. The fine structure of a rapidly quenched Ni-Al alloy doped with Fe and Cr (RQ Ni-Al-FC) was investigated by electron microscopy imaging and spectroscopic techniques, and its structure was successfully characterized by using a vacuum transfer holder in the transmission electron microscope. The microstructural comparison of pristine and passivated/combusted samples was discussed in detail. This work provides the structure of RQ Ni-Al based catalysts as a contribution to exploring their synthesis-structure-performance relationship.
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