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Article Abstract
Copper-based materials are promising for formaldehyde oxidation to produce hydrogen but suffer from degradation caused by soluble copper ions in alkaline electrolytes. In this report, a novel CuPd/CC alloy electrocatalyst is developed to address this issue. The catalyst drives formaldehyde oxidation at 0.2 V to produce a current density of 50 mA cm. Stability tests over 100 h show no significant decay in current density, and the copper ion concentration in the solution remains low at 10.7 μg L, almost ten times lower than that observed with copper foam electrodes under identical conditions (107.1 μg L). When used in direct formaldehyde fuel cells, the catalyst achieves an open-circuit voltage of 0.9 V and a peak power density of 100.0 mW mg. This study provides a new strategy for enhancing copper-based catalysts through alloying.
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| http://dx.doi.org/10.1016/j.jcis.2024.12.152 | DOI Listing |
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