The enhancement effect of MoOx on Pd/C catalyst for the electrooxidation of formic acid |
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| Authors: | Ligang Feng Zhiming Cui Liang Yan Wei Xing Changpeng Liu |
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| Affiliation: | State Key Laboratory of Electro-analytical Chemistry, Changchun Institute of Applied Chemistry, Jilin Province Key Laboratory of Low Carbon Chemical Power, Graduate School of the Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin 130022, PR China |
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| Abstract: | Molybdenum oxide (MoOx) was added to a Pd/C catalyst using a novel two-step procedure. The enhancement effect of MoOx on Pd/C catalyst for the electrooxidation of formic acid was verified by electrochemical experiments. Compared to the Pd/C catalyst, the experimental results showed that the addition of MoOx could significantly enhance the electrocatalytic performances for the electrooxidation of formic acid. Significant improvements in electrocatalytic activity and stability were primarily ascribed to the effect of MoOx on the Pd catalyst. In addition to the large specific surface area, the hydrogen spillover effect is speculated to have accelerated the electrooxidation rate of formic acid in the direct pathway. |
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| Keywords: | Formic acid Electrooxidation Phosphomolybdic acid Molybdenum oxide Hydrogen spillover effect |
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