Abstract:An exceptionally high Al 3+ ion conducting polycrystalline solid based on the NASICON type structure was successfully realized within the system (Al x Zr 1−x ) 4/(4−x) Nb (PO 4 ) 3 . The partial substitution of the smaller higher valent Nb 5+ ion for Zr 4+ helped stabilize and accommodate the mobile Al 3+ ion into the NASICON like structure. The addition of boron oxide to the Al 3+ ion conducting solid electrolyte, as a sintering additive, aided in the achievement of satisfactory mechanical strength and densit… Show more
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