Catalyst Interaction in Unitized Regenerative Fuel Cells

被引：1
作者：
Maletzko, A. [1 ]
Villa, E. D. Gomez [1 ]
Kintzel, B. [1 ]
Fietzek, H. [1 ]
Schmidt, G. [2 ]
Christen, J. [2 ]
Veit, P. [2 ]
Kuehne, P. [2 ]
Bornet, Aline [3 ]
Arenz, Matthias [3 ]
Melke, J. [1 ]
机构：
[1] Fraunhofer Inst Chem Technol ICT, D-76327 Pfinztal, Germany
[2] Otto von Guericke Univ, D-39106 Magdeburg, Germany
[3] Univ Bern, Dept Chem Biochem & Pharmaceut Sci, CH-3012 Bern, Switzerland
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2024年 / 171卷 / 05期
关键词：
support material; bifunctional catalyst; oxygen evolution reaction (OER); oxygen reduction reaction (ORR); antimony doped tin oxide (ATO); ELECTROCHEMICAL OXIDATION; OXYGEN EVOLUTION; ELECTROCATALYSTS; CO; PLATINUM; IR; PERFORMANCE; ELECTRODES; DESIGN;
D O I：
10.1149/1945-7111/ad4e75
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Unitized regenerative fuel cells have emerged as promising energy conversion and storage systems for various applications. However, in order to optimize their efficiency, it is crucial to enhance the performance of the bifunctional catalyst. This study aims to provide deeper insights into the electrochemical behavior and performance of the bifunctional catalyst. Several electrocatalysts were prepared and evaluated using rotating disc electrode measurements. The primary focus was placed on investigating the interaction between Pt, Ir, and the support material, antimony doped tin oxide (ATO), and their impact on the oxygen evolution reaction and oxygen reduction reaction. Among the analyzed catalysts, Pt black mixed with synthesized IrO2 supported on developed ATO exhibited the highest performance, considering the results from both the fuel cell and electrolyzer systems.
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页数：9
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