High performance Pt/Ti3O5Mo0.2Si0.4 electrocatalyst with outstanding methanol oxidation activity

Esfahani Reza Atipour Moghadam; Moghaddam Reza B.; Easton E. Bradley

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High performance Pt/Ti3O5Mo0.2Si0.4 electrocatalyst with outstanding methanol oxidation activity

机译：高性能Pt / Ti3O5Mo0.2Si0.4electrocatalyst与杰出的甲醇氧化活性

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Pt nanoparticles deposited on a highly-conductive carbon-free Ti3O5Mo0.2Si0.4 (TOMS) support exhibit high activities towards methanol oxidation reactions, with lower onset potentials and substantially larger oxidation currents compared to Pt/C. The activation energy for methanol oxidation was determined to be significantly lower on Pt/TOMS compared to that on Pt/C, indicating its faster kinetics. Furthermore, electrochemical impedance spectroscopy measurements revealed substantially smaller charge transfer resistance values for Pt/TOMS in comparison with Pt/C. The enhanced performance is a result of the strong electronic interaction between Pt and the conductive TOMS support.

机译：Pt纳米粒子沉积在高导电性无碳Ti3O5Mo0.2Si0.4(汤姆斯)支持对甲醇表现出高的活动较低的氧化反应,发病的潜力和氧化电流要大得多而Pt / C。甲醇氧化的决心相比显著降低Pt /汤姆斯Pt / C,指示其更快的动力学。此外,电化学阻抗光谱测量显示大幅较小的电荷转移电阻的值Pt /汤姆斯相比,Pt / C。性能强劲的电子的结果互动Pt和导电汤姆斯支持。

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来源
《Catalysis science & technology》 |2019年第15期|4118-4124|共7页
作者
Esfahani Reza Atipour Moghadam; Moghaddam Reza B.; Easton E. Bradley;
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作者单位

Univ Ontario Inst Technol, Ontario Tech Univ, Fac Sci, Electrochem Mat Lab, 2000 Simcoe St North, Oshawa, ON L1G 0C5, Canada;

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原文格式 PDF
正文语种英语
中图分类汉语教学;
关键词
Activation energy; Methanol; impedance spectroscopyBREAKAWAY OXIDATIONOxidationHIGH-PERFORMANCEplatinumelectrocatalysts;

机译：活化能;甲醇;阻抗spectroscopyBREAKAWAY;

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High performance Pt/Ti3O5Mo0.2Si0.4 electrocatalyst with outstanding methanol oxidation activity

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