Facile Approach for Improving the Interfacial Adhesion of Nanofiber Air Electrodes of Reversible Solid Oxide Cells
Source abstract
Abstract
Nanofibers have great promise as a highly active air electrode for reversible solid oxide cells (ReSOCs); however, one thorny issue is how to adhesively stick nanofibers to electrolyte with no damage to the original morphology. Herein, PrBa 0.8 Ca 0.2 Co 2 O 5+δ (PBCC) nanofibers are applied as an air electrode by a facile direct assembly approach that leads to the retention of most of the unique microstructure of nanofibers, and firm adhesion of the nanofiber electrode onto the electrolyte is achieved by applying electrochemical polarization. A single cell with the PBCC nanofiber air electrode exhibits excellent maximum power density (1.97 W cm –2 ), electrolysis performance (1.3 A cm –2 at 1.3 V), and operating stability at 750 °C for 200 h. These findings provide a facile means for the utilization of nanofiber electrodes for high-performance and durable ReSOCs.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Electronic and Structural Properties of Oxides · Gas Sensing Nanomaterials and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
Department of Chemical Engineering, Monash University, Clayton, Victoria 3800, Australia
Fujian College Association Instrumental Analysis Center, Fuzhou University, Fuzhou, Fujian 350108, China
Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Foshan 528216, China
Fujian Changting Golden Dragon Rare-earth Co., Ltd., Changting, Fujian 366399, China
Fujian Key Laboratory of Rare-earth Functional Materials, Changting, Fujian 366399, China
Funding
Natural Science Foundation of Fujian Province · National Natural Science Foundation of China
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