Home
For authors
Submission status

Current
Archive
Archive (English)
   Volumes 21-40
   Volumes 1-20
   Volumes 41-62
      Volume 62
      Volume 61
      Volume 60
      Volume 59
      Volume 58
      Volume 57
      Volume 56
      Volume 55
      Volume 54
      Volume 53
      Volume 52
      Volume 51
      Volume 50
      Volume 49
      Volume 48
      Volume 47
      Volume 46
      Volume 45
      Volume 44
      Volume 43
      Volume 42
      Volume 41
Search
VOLUME 57 (1993) | ISSUE 1 | PAGE 69
Effect of elastic deformation on interfacial conductivity
Reversible deformation has been observed to affect the kinetics of charge transport across an electrode-electrolyte interface. At a fixed current, a steady-state elastic extension of a platinum electrode increases the hydrogen overvoltage. The derivative of the overvoltage with respect to the strain was measured. The predominant component of this derivative is independent of the current. The argument in an exponential representation of the decay of the exchange current as a function of the extension has been found. An increase in the distance between the surface platinum atoms strengthens their bonds with adsorbed hydrogen atoms, thereby reducing the discharging current, but it does not have any substantial effect on the contribution of the overvoltage to the lowering of the activation energy. The effect observed here might be utilized to obtain new and independent information on the elementary event of the reaction.