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Electrodeposition of hybrid film of polyaniline/silica and its pseudocapacitive properties

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Abstract

Electrodeposition of hybrid film of polyaniline (PANI) and nanoparticles of silica (SiO2) was conducted through electrochemical surface polymerization of aniline, which hydrogen-bonded onto surfaces of SiO2 particles. The hybrid film showed a 3D structure that facilitated the contact of electroactive material with electrolyte. PANI/SiO2 displayed a capacitance of 558 mF•cm−2 in 0.5 M H2SO4 when charged–discharged at 1.5 mA•cm−2, which is 2.5 times of that of similarly prepared PANI film. The capacitance of the hybrid film kept essentially constant when charging–discharging under current densities up to 24 mA•cm–2.

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Acknowledgment

We gratefully acknowledge financial support from the National Natural Science Foundation of China (project number 50372011) and Natural Science Foundation of Liaoning Province, China (project number 20052016).

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Authors and Affiliations

  1. Department of Chemistry, Northeastern University, Shenyang, 110004, China

    Xiao-Xia Liu, Ya-Bing Li, Li-Jun Bian, Yu-Qian Dou & Yu-Qiu Huo

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  1. Xiao-Xia Liu
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  2. Ya-Bing Li
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  3. Li-Jun Bian
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  4. Yu-Qian Dou
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  5. Yu-Qiu Huo
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Corresponding author

Correspondence to Xiao-Xia Liu.

Additional information

Contribution to ICMAT 2007, Symposium K: Nanostructured and bulk materials for electrochemical power sources, July 1–6, 2007, Singapore.

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Liu, XX., Li, YB., Bian, LJ. et al. Electrodeposition of hybrid film of polyaniline/silica and its pseudocapacitive properties. J Solid State Electrochem 12, 909–912 (2008). https://doi.org/10.1007/s10008-007-0450-x

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  • DOI: https://doi.org/10.1007/s10008-007-0450-x

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