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Title: Electrical and electrochemical characterization of Li2O:P2O5:Nb2O5-based solid electrolytes
Authors: Chowdari, B.V.R. 
Radhakrishnan, K. 
Issue Date: Jul-1989
Citation: Chowdari, B.V.R.,Radhakrishnan, K. (1989-07). Electrical and electrochemical characterization of Li2O:P2O5:Nb2O5-based solid electrolytes. Journal of Non-Crystalline Solids 110 (1) : 101-110. ScholarBank@NUS Repository.
Abstract: An extended glass forming region has been identified in the Li2O:P2O5:Nb2O5 system. Temperature and composition dependence of conductivity have been measured. A high ionic conductivity value ≅2 × 10-6 Ω-1 cm-1 at room temperature has been found for the composition 60Li2O:30P2O5:10Nb2O5. Conductivity enhancement observed in this ternary system is discussed with reference to glass transition temperature, decoupling index and structural aspects. AC conductivity analysis and dielectric response of the highest conducting composition are described and compared with similar glasses. With the addition of LiF to this glass a conductivity value of 7 × 10-4 Ω-1 cm-1 at 150°C is observed. The composition is 0.1LiF: 0.9(0.6Li2O:0.3P2O5:0.1Nb2O5). A decomposition potential of 2.7 V has been determined for this electrolyte. The energy density for the cell Li/electrolyte/(TiS2 + 30% electrolyte) has been found to be 108 W-h/kg. © 1989.
Source Title: Journal of Non-Crystalline Solids
ISSN: 00223093
Appears in Collections:Staff Publications

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