Robust Freeze-Cast Bilayer Dual-Phase Oxygen Transport Membrane Targeting Chemical Reactor Application
Source abstract
Abstract
A bilayer Zr0.84Y0.16O1.92-La0.8Sr0.2Cr0.5Fe0.5O3-δ (YSZ-LSCrF) dual-phase membrane with a hierarchical structure is successfully prepared for membrane reactor application by the freeze-drying tape-casting method. The oxygen permeation flux of the membrane is extremely enhanced from 0.001 32 to 0.0165 mol m–2 s–1 at 950 °C under an air/CO gradient, which is attributed to the effectively decreased gas diffusion resistance in the support as well as the significantly lowered oxygen ion diffusion resistance in the functional layer. The superior oxygen permeability and stability enable the bilayer YSZ-LSCrF oxygen transport membrane to be a suitable candidate for membrane reactor applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Fuel Cells and Related Materials · Semiconductor materials and devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Power and Mechanical Engineering, Wuhan University, Wuhan, Hubei 430072, China
Suzhou Institute of Wuhan University, Suzhou, Jiangsu 215123, China
Funding
China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · Natural Science Foundation of Hubei Province · National Natural Science Foundation of China
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