Journal
FUEL
Volume 328, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2022.125355
Keywords
Energy; Palladium; Organic catalyst; Hydrazine electrooxidation; Benzothiophene
Categories
Funding
- Eskisehir Osmangazi University (BAP Project) [FOA-2021-2203]
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An efficient synthesis method for 2-(2,5-dimethylphenyl)-3-iodobenzo[b]thiophene was developed and its performance as an anode catalyst was investigated. The Pd-doped benzothiophene organic catalyst showed high stability and low charge transfer resistance, indicating its potential as an alternative electro-catalyst in fuel cell applications.
An efficient methods for the synthesis of 2-(2,5-dimethylphenyl)-3-iodobenzo[b]thiophene (4) is described, and investigated its anode catalyst performance by using electrochemical methods (CV, CA and EIS). When 2-(2,5dimethylphenyl)-3-iodobenzo[b]thiophene (4) is applied, the specific activity is found as 25.811 mA/cm(2). Interestingly, when Palladium (Pd) is electrochemically deposited on the benzothiophene derivative, the catalytic activity increased the 80.930 mA/cm(2). This result is highest than the current metal based anode catalyst. Moreover, EIS and CA measurements display that Pd doped benzothiophene organic catalyst have high stability, and give the low charge transfer resistance. Energy dispersive X-ray (SEM-EDX), electron microscopy, TEM are used for the determination of its surface morphology. As a result, 2-(2,5-dimethylphenyl)-3-iodobenzo[b]thiophene (4) may be alternative electro-catalysts in fuel cell applications.
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