Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 45, Issue 35, Pages 17575-17582Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.04.289
Keywords
Formic acid dehydrogenation; Polyaniline-decorated; Pd-PdO interfaces; Interfacial microenvironment regulation
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Funding
- National Natural Science Foundation of China [U1601211, 21875243, 21633008, 21603216, 21905267]
- Jilin Province Science and Technology Development Program [20190201270JC, 20180101030JC, 20170203003SF]
- Gusu Talent program
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Formic acid dehydrogenation (FAD) offers an ideal route for hydrogen production, where searching for efficient and selective catalysts is imperative. However, the current state-of-the-art Pd-based metallic catalysts severely suffer from low catalytic efficiency and self-poisoning, owning to the FA dehydration side reaction. In this work, we design PANI-Pd/ C composite catalysts via interfacial microenvironment regulation technique. The as-prepared 0.01-PANI-Pd/C catalyst exhibits high turnover frequency (TOF, 5654 h(-1)) and excellent resistance to CO poisoning. The merit of polyaniline can be ascribed to: a) con- struction of abundant Pd-PdO interfaces; b) capturing H+ and accelerating the formation of the reactive species. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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