Electron Transfer at Platinum and Palladium Interfaces in Super-Dry Electrolytes. Generation of Iono-Metallic Layers. A Mini-Review

Jacques Simonet (1)

1 ISCR - Institut des Sciences Chimiques de Rennes

Metallic electrodes (gold, platinum) have been considered for long as inert and quasi-ideal electrodes both within the anodic and cathodic ranges. Here are gathered some striking evidences of the reactivity of platinum (and accessorily that of palladium) in aprotic polar solvents (water present < 200 ppm) for leading, by cathodic reaction with present electrolytes, to a large panel of iono-metallic layer. These modified metal layers may present many interesting behaviours: reductions via electron transfer, insertion by exchange of charged organic species inside the metallic matrix, catalysis, energy storage, etc.… The highly foreseeable interest of those new materials and interfaces is briefly underlined in this mini-review.

Mots clés: Platinum cathodes; Palladium; Corrosion; Iono-metallic layers; Modified electrodes

Domaines: Chimie; Matériaux

Jacques Simonet. Electron Transfer at Platinum and Palladium Interfaces in Super-Dry Electrolytes. Generation of Iono-Metallic Layers. A Mini-Review. Electrochemistry Communications, 2015, 53, pp.15-19. ⟨10.1016/j.elecom.2015.01.018⟩. ⟨hal-01114387⟩