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The electrochemical behaviour of the lithium electrode in organic aprotic media in the presence of decaline

✍ Scribed by K. Wiesener; U. Eckoldt; D. Rahner

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
480 KB
Volume
34
Category
Article
ISSN
0013-4686

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✦ Synopsis

The anodic dissolution and cathodic deposition of lithium is strongly influenced by the reductior or formation of surface layers, the reduction of the electrolyte, chemical side reactions and adsorption processes in the presence of some special additives used within the liquid electrolyte solution. The protective surface layer at lithium immersed in liquid organic aprotic media undergoes during polarization dynamic alteration. A repititive destruction and formation process of the protective layer takes place. Independent of the electrolyte solution used, during cathodic polarization a sharp decrease of the measured resistance was observed. Distinct differences in the properties of the lithium surface are also obvious during anodic polarization. In the presence of decaiine the formed surface film is strongly influenced by the hydrocarbon. This surface film determines the electrochemical properties of the lithium electrode, possessing a better cycling performance in the first chargedischarge cycles.

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