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제125회 대한화학회 학술발표회 및 총회 The effect of the boron incorporated palladium catalyst for HCOO- oxidation in direct alkaline formate fuel cell

2020년 2월 14일 16시 51분 19초
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Environmental Energy
저자 및
Sujik Hong, Jaeyoung Lee1,*
1School of Earth Sciences and Environmental Enginee, Gwangju Institute of Science and Technology, Korea
The direct formate fuel cell (DFFC) have a great attention due to its potential as alternative energy technology as compared other liquid fuel cells.[1] The formate (HCOO-) oxidation in alkaline media on palladium (Pd) catalysts had been investigated by Takamura et al.,[2] many researchers have studied and applied single cell performance. For enhancing oxidation activity of catalyst, Pd catalysts for anode had been deeply studied as a number of approaches from a synthesis of catalyst to fabrication of membrane electrode assembly (MEA).[3] In previous studies, we synthesized Pd-H catalyst due to the characteristic of Pd on a carbon support using reducing agents and reported an enhanced catalytic activity for HCOO- oxidation. We reported that the enhanced activity is due to the electron-enriched Pd caused by the hydrogen (H) incorporation to Pd called to electronic effect.[4,5] In this study, we synthesize Pd based catalyst via boron (B) incorporation. Through physicochemical and electrochemical analysis, we observe Pd-B structure, oxidation state, and enhanced catalytic activity comparing with other Pd based catalysts. References [1] J. Jiang, A. Wieckowski, Electrochemistry Communications 2012, 18, 41–43. [2] T. Takamura, F. Mochimaru, Electrochimica Acta 1969, 14, 111–119. [3] L. An, R. Chen, Journal of Power Sources 2016, 320, 127–139. [4] M. Choun, K. Ham, D. Shin, J. K. Lee, J. Lee, Catalysis Today 2017, 295, 26–31. [5] S. Hong, H. Hwang, J. W. Kim, J. Lee, ECS Transactions 2018, 85, 149–158.