Predicting size effect on diffusion-limited current density of oxygen reduction by copper wire

Yonghong Lu; Haibo Xu; Jia Wang; Lian Zhong

doi:10.1007/s00343-011-9953-5

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Predicting size effect on diffusion-limited current density of oxygen reduction by copper wire

Updated：2023-05-16

- Predicting size effect on diffusion-limited current density of oxygen reduction by copper wire
- Journal of Oceanology and Limnology Vol. 29, Issue 1, Pages: 75-79(2011)
- Affiliations：
  
  1. Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education College of Chemistry and Chemical Engineering Ocean University of China
  2. State Key Laboratory for Corrosion and Protection of Metals
- Author bio：
- Funds：
- DOI：10.1007/s00343-011-9953-5
  CLC：
- Online First：15 January 2011，
  
  Published：2011
- Accepted：
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Lu, Y., Xu, H., Wang, J. et al. Predicting size effect on diffusion-limited current density of oxygen reduction by copper wire., Chin. J. Ocean. Limnol. 29, 75–79 (2011). https://doi.org/10.1007/s00343-011-9953-5
DOI：

Lu, Y., Xu, H., Wang, J. et al. Predicting size effect on diffusion-limited current density of oxygen reduction by copper wire., Chin. J. Ocean. Limnol. 29, 75–79 (2011). https://doi.org/10.1007/s00343-011-9953-5 DOI：

摘要

Abstract

The size effect of copper wire radius (0.04–0.82 mm) on the diffusion-limited current density of an oxygen reduction reaction in stagnant simulated seawater (naturally aerated 0.5 mol/L NaCl) is investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) and compared with the results obtained in 0.5 mol/L H2SO4. In the oxygen diffusion-limited range

size effect is found to occur independent of electrolytes

which is attributed to non-linear diffusion. Additionally

to satisfy application in a marine setting

an empirical equation correlating oxygen diffusion-limited current density to copper wire radius is proposed by fitting experimental data.

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references

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