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		题名	作者	年代	出处	被引量
	1	Application of CFD-DEM to the study of solid exchange in a dual-leg fluidized bed显示文摘The CFD-DEM model was developed to simulate solid exchange behavior between two half beds in a bench-scale two-dimensional dual-leg fluidized bed(DL-FB).Power spectrum density(PSD) analysis was applied to obtain the dominant frequency(F) of the simulated differential particle number(△P_(LR)) between the two half beds.Effects of fluidization velocity(u) and bed material inventory(H) on the solid exchange behavior were studied using the CFD-DEM model.Not only snapshots of the simulated particle flow patterns using the OpenCL code but also the dominant frequency of △P_(lr) was similar to the experimental results.The simulation results show that higher fluidization velocity assists the exchange of more particles between the two half beds,but the dispersion of clusters on the bed surface into single particles decreases the cluster exchange frequency.A greater bed material inventory results in more intense cluster exchange.The cluster exchange frequency decreases with an increase of the bed material inventory.	Chunzhen Yang Yufeng Duan Haitao Hu	2013	Particuology2013，11，6：	0
	2	In-situ study for the elastic structure evolutions of threedimensional Ir-O framework during the oxygen evolution reaction in acid显示文摘Understanding the dynamic structural and chemical evolutions at the catalyst-electrolyte interfaces is crucial for the development of active and stable electrocatalysts.In this work,β-Li_(2)IrO_(3)is employed as a model catalyst for the oxygen evolution reaction(OER).Its elastic three-dimensional Ir-O framework enables us to investigate the Li^(+)cation dissolution-induced structure evolutions and the formation mechanism of amorphous IrO_(x)species.Electrochemical measurements by rotating ring disk electrode(RRDE)reveal that up to 60%of the measured OER current can be ascribed to catalyst degradation.A series of in-situ X-ray diffraction spectroscopy(XRD),X-ray absorption spectroscopy(XAS),and Raman spectroscopy are conducted.Structure vibration is observed with oxidation states of Ir being reduced abnormally during OER at high potentials.It’s hypothesized that the reversible proton intercalations are responsible for the Ir turn-over mechanism.Results of this work demonstrate a stable and elastic iridate structure and reveal the initial catalyst degradation behaviors during OER in acid media.	Jun Qi Xinyu Zhong Huiyan Zeng Chao Wang Zhongfei Liu Jiajun Chen Long Gu Enna Hong Mengxian Li Jiong Li Chunzhen Yang	2023	Nano Research2023，16，7：	0

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