期刊
CRYSTENGCOMM
卷 24, 期 31, 页码 5580-5587出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ce00710j
关键词
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资金
- National Natural Science Foundation of Shandong grant [ZR2020QE056]
This study proposes an advanced nonmetal-doped Pd nanocrystal catalyst for promoting the electrocatalytic ethanol oxidation reaction. The catalyst not only improves the electronic structure of Pd to enhance its activity but also significantly promotes the oxidation of intermediates, thereby improving the electrocatalytic properties.
Driving ethanol electrooxidation in fuel cells is a promising technology for realizing the effective conversion of biomass energy into renewable electrical energy. However, it is still a challenge to broaden the application of fuel cells due to the limitation of effective electrocatalysts. Herein, we have proposed the design and synthesis of an advanced nonmetal-doped Pd nanocrystal catalyst for promoting the electrocatalytic ethanol oxidation reaction (EOR), in which the incorporation of nonmetal Te not only effectively modifies the electronic structure of Pd to enhance the intrinsic activity of the catalyst but also significantly boosts the further oxidation of intermediates, thereby promoting the electrocatalytic properties. Significantly, a mass activity of 1203 mA mg(Pd)(-1) for the optimized PdTe nanocrystals (NCs) has been realized, which is 4.7- and 2.5-fold enhancements as compared to the Pd NCs (255.4 mA mg(Pd)(-1)) and commercial Pd/C (485 mA mg(Pd)(-1)), respectively, presenting a promising electrocatalyst for fuel cells.
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