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. 2018 May 15;13(5):e0196649. doi: 10.1371/journal.pone.0196649

Fig 3. SEM characterization of eroded Pt electrode contacts of a human CI.

Fig 3

Representative BSE-image of the CI-array used for electrical stimulation for 600 h at room temperature in an electrolyte consisting of 0.5% NaCl in deionized water. (A) represents an intact Pt-electrode contact, whereas corrosion of the Pt-electrode contact following electrical stimulation could be demonstrated (B).