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Electrochemical and thermal behaviour of solid AgIAgIO3 and AgIAg3AsO4

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 450 KB
Volume: 31
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(86)80123-2

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✦ Synopsis

AbstraceSolid ionic conductors AglLAglOs and Agl-AgsAsO, of various compositions were investigated by conductivity, thermal and electrochemical methods. Both systems show dependences on composition and temperature enabling determination of the activation energy of conductivity. Glassy phases are formed at appropriate rates of cooling of molten samples. By thermal analysis (DSC), the glass transition and crystallization processes of the glassy phases were identified. Processes of anodic and cathodic decomposition of the electrolyte were investigated. The energy of activation for the cathodic redox (Ag+ + Ag) process was determined. lt was also shown how the capacity of the Pt/electrolyte phase boundary depends on the dc potential and ac frequency.

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