Zirconium trisulfide as a promising cathode material for Li primary thermal batteries
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In this work ZrS3 has been synthesized by solid state reaction in a sealed quartz tube and investigated as a candidate cathode material in Li thermal batteries. The structure of ZrS3 before and after cell testing has been studied using powder X-ray diffraction. A new spinel related material, LiZr2S4, has been identified as the product of the electrochemical process, which can be indexed to a = 10.452(8) Å cubic unit cell. The electrochemical properties of the batteries were investigated at 500 °C against Li13Si4 by galvanostatic discharge and galvanostatic intermittent titration technique (GITT). In a thermal Li cell at 500 °C a single voltage plateau of 1.70 V at a current density of 11 mA/cm2 was achieved with capacity of 357 mA h g-1. Therefore ZrS3 material has some promise as a cathode for Li thermal batteries.
Giagloglou , K , Payne , J L , Crouch , C , Gover , R , Connor , P A & Irvine , J T S 2016 , ' Zirconium trisulfide as a promising cathode material for Li primary thermal batteries ' Journal of The Electrochemical Society , vol 163 , no. 14 . DOI: 10.1149/2.1351614jes
Journal of The Electrochemical Society
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