Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 47, Pages 18607-18613Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta07896f
Keywords
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Funding
- National Natural Science Foundation of China [21373199, 21433003, 21603041, 21673203]
- Strategic priority research program of CAS [XDA09030104]
- Jilin Province Science and Technology Development Program [20140203012SF, 20150101066JC, 20160622037JC]
- Recruitment Program of Foreign Experts [WQ20122200077]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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PtRu/C material is one of the most well-known and efficient anode catalysts in direct methanol fuel cells. Nevertheless, new anode catalysts with even higher performance and lower cost are highly demanded for the further development of this fuel cell technology. Herein, we present, a CoP-promoted Pt catalyst as a highly active, anti-poisoning and low-Pt loading catalyst for direct methanol fuel cells (DMFCs). The in situ attenuated total reflection surface-enhanced infrared radiation absorption spectroscopy (ATR-SEIRAS) technique revealed that the presence of CoP in the Pt-based catalyst can promote the methanol oxidation to CO2. A maximum power density of 88.5 mW cm(-2) is achieved on a fuel cell based on this novel anode catalyst, which is ca. 1.4 times as high as that based on the state-of-the-art commercial PtRu/C catalyst with the same Pt loading. The present work demonstrates that the Pt-CoP/C will be a very competitive alternative to PtRu/C as the promising anode catalyst for the scale-up production of DMFCs in terms of overall performance and cost effectiveness.
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