Ionic Conductivity of Solid Electrolytes Based on Lithium Titanium Phosphate
Source abstract
Abstract
Solid electrolytes based on lithium titanium phosphate were prepared, and their phase, porosity of the sintered pellets, and electrical conductivity were studied. The conductivity was increased and the porosity decreased greatly by partially replacing Ti 4+ and P 5+ in with M 3+ and Si 4+ ions, respectively. The maximum conductivity at 298 K is for . The conductivity was considerably increased by the mixing of binders such as or with . The main reason for the conductivity enhancement of these electrolytes seems to be attributable to the increase of the sintered pellet density with the enhancement of the lithium concentration at the grain boundaries.
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Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Chemical Synthesis and Characterization · Advancements in Battery Materials
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Affiliations
Department of Industrial Chemistry, Niihama National College of Technology, Yagumo‐cho 7‐1, Niihama, Ehime 792, Japan
Department of Industrial Chemistry, Faculty of Engineering, Ehime University, Bunkyo‐cho 3, Matsuyama, Ehime 790, Japan
Department of Applied Chemistry, Faculty of Engineering, Osaka University, Yamadaoka 2‐1, Suita, Osaka 565, Japan
References
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