期刊
MATERIALS LETTERS
卷 305, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2021.130800
关键词
Nanoparticles; Composite materials; Energy storage and conversion
资金
- Natural Science Foundation of Tianjin, China [18JCYBJC20600]
- Institute of Energy, Hefei Comprehensive National Science Center [19KZS207]
The study successfully synthesized a hybrid catalyst of Pd with multi-metallic oxides, showing superior performance compared to hybrid catalysts of Pd with unary oxides. The catalyst demonstrated the best anti-poisoning capability among all the catalysts evaluated in a two-hour durability test, highlighting the potential of Joule heating as a simple, fast, and powerful tool for synthesizing high-performance hybrid catalysts.
Developing highly efficient anodic catalyst is important, yet still challenging. Here, hybrid catalyst of Pd with multi-metallic oxides (Pd/MMO) was synthesized in one step on commercial carbon black with one-second hightemperature shock through Joule heating. Thanks to the promoting effect of multi-metallic oxides, the mass activity was enhanced by a factor of 1.8 over pristine Pd. The improvement was caused by the synergistic effect of multi-metallic oxides as its activity also surpassed that of hybrid catalysts of Pd with unary oxides. The superior performance of Pd/MMO was well maintained after a two-hour durability test, which showed the best anti-poisoning capability among all the catalysts evaluated. It demonstrated Joule-heating as a simple, fast, and powerful tool for synthesizing hybrid catalysts with excellent performance.
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