Unveiling the role of K2NiF4-Structure Pr4Ni3O10+δ surface coverage in boosting oxygen permeation and suppressing membrane degradation

Saim Saher,Chou Yong Tan,S. Ramesh,Boon Kar Yap,Boon Hoong Ong,Kim Hung Mo,M.S.H. Al-Furjan

Separation and Purification Technology（2023）

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摘要

•Oxygen flux measured over 1000 h at 700 °C for LSCF coated with varying PNO loading.•Improving PNO coverage on LSCF by varying the spray nozzle vibration and height.•Optimal PNO coating boosts oxygen flux and suppresses degradation effectively.•Superior performance results from enhanced triple phase boundary area and ORR sites.

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关键词

Oxygen permeation,Phase segregation,Degradation,Coating,SOFC cathode

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