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KMID : 1059519910350040324
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Journal of the Korean Chemical Society
1991 Volume.35 No. 4 p.324 ~ p.328
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A Study on the Li+ Ion Conducting Solid Electrolytes
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Park Sung-Ho
Lee Doo-Weon
Kim Keu-Hong
Choi Jae-Shi
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Abstract
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The Li2SO4 system containing various mol% of CaSO4 were synthesized. The structure and the electrical conduction of these system were studied at the temperature from 20 to 700℃. In the region of CaSO4 mol ratio higher than 0.05, it could be confirmed that Li2SO4-CaSO4 system does not form solid solution. Due to the substituted Ca2+, the transition temperature (monoclinic to cubic) is shifted to the low temperature. The ionic conduction of monoclinic Li2SO4-CaSO4 increased with increasing lithium vacancy which was produced by substituted Ca2+, but that fcc Li2SO4-CaSO4 was not influenced by the substituted Ca2+ ion.
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