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Electrocatalytic oxidation of formic acid on platinum particles dispersed in SWNT/PANI composite film

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Abstract

Single-walled carbon nanotube (SWNT)/Polyaniline (PANI) composite film with good dispersion was prepared by electropolymerization of aniline containing well-dissolved SWNTs. Platinum (Pt) particles were electrodeposited on the SWNT/PANI composite film subsequently. The presence of SWNTs and platinum in the composite film was confirmed by XRD analysis. Four-point probe investigation exhibits that the electrical conductivity of SWNT/PANI composite film is significantly higher than that of pure PANI film. Cyclic voltammogram and Chronoamperogram show that Pt-modified SWNT/PANI electrode performs higher electrocatalytic activity than Pt-modified pure PANI electrode toward formic acid oxidation.

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Acknowledgements

We are grateful for the financial supports from National Natural Science Foundation of China (NSFC 6989022).

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Lanzhou University, South Tianshui Road 222, Lanzhou, 730000, China

    Jin Shi, Dao-jun Guo, Zhe Wang & Hu-lin Li

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  1. Jin Shi
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  2. Dao-jun Guo
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  3. Zhe Wang
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  4. Hu-lin Li
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Correspondence to Hu-lin Li.

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Shi, J., Guo, Dj., Wang, Z. et al. Electrocatalytic oxidation of formic acid on platinum particles dispersed in SWNT/PANI composite film. J Solid State Electrochem 9, 634–638 (2005). https://doi.org/10.1007/s10008-004-0624-8

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  • DOI: https://doi.org/10.1007/s10008-004-0624-8

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