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The ionic conduction mechanism of high-temperature sulfate phases Li 2 SO 4 , LiNaSO 4 , LiAgSO 4 and Li 4 Zn(SO 4 ) 3 has been extensively studied and discussed for many years. Two mechanisms named as 'paddle-wheel' and 'percolation' mechanisms were presented for ionic migration. In this paper, Zn 2+ ion was selected as dopant for...
The transient plane source technique has been used for simultaneous measurements of thermal conductivity and diffusivity in the lithium-sodium sulphate system starting near 300 K. Samples with 100, 77.5, or 50% Li 2 SO 4 behave differently from pure Na 2 SO 4 . In the first case both the thermal conductivity and the diffusivity start to increase rapidly at about 640...
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