Manipulating and Optimizing the Hierarchically Porous Electrode Structures for Rapid Mass Transport in Solid Oxide Cells

Mingyang Hou; Yuxin Pan; Fan HeKang XuHua ZhangYucun ZhouBote ZhaoYu ChenMeilin Liu

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Manipulating and Optimizing the Hierarchically Porous Electrode Structures for Rapid Mass Transport in Solid Oxide Cells

机译：Manipulating and Optimizing the Hierarchically Porous Electrode Structures for Rapid Mass Transport in Solid Oxide Cells

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Over the past decades, considerable efforts have been made to develophierarchically porous electrodes for the high surface area, the fast velocityof fuels/products to/away from the reaction site, and the high loading ofthermal- and/or electrochemical- catalysts. Manipulation of the hierarchicalstructure is one of the key steps for high performance in applications ofefficient energy storage and conversion such as solid oxide cells. This reviewstarts with a brief introduction to the basic concept of mass transport andhow mass transport may affect performance. Then, the latest developmentsin enhancing the performance of cells through modification or optimizationof the hierarchically porous electrode structures, including altering thegeometry or morphology and increasing the triple-phase boundaries lengthof electrodes are summarized. Subsequently, the unique characteristics ofmicrostructures that are critical to enhancing electrode performance andprovide important insights into the mechanisms of performance (activity anddurability) enhancement, aiming at achieving the rational design of betterelectrode architecture are highlighted. Finally, the remaining challenges forthe knowledge-based design of highly efficient electrodes for electrochemicaldevices, together with possible directions and future perspectives for thedevelopment of highly efficient electrodes through optimization of microstructureare discussed.

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来源
《Advanced functional materials》 |2022年第43期|2203722.1-2203722.35|共35页
作者
Mingyang Hou; Yuxin Pan; Fan HeKang XuHua ZhangYucun ZhouBote ZhaoYu ChenMeilin Liu;
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作者单位

School of Environment and EnergySouth China University of TechnologyGuangzhou 510006, P. R. China;

School of Material Science and EngineeringInstitute of Georgia Technology771 Ferst Dr, NW, Atlanta, GA 30309, USA;

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正文语种英语
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energy conversion; energy storage; hierarchical structures; mass transport; solid oxide cells;

Manipulating and Optimizing the Hierarchically Porous Electrode Structures for Rapid Mass Transport in Solid Oxide Cells

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