Vanadium disulfide: Metal substitution and lithium intercalation |
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Authors: | DW Murphy FJ Di Salvo JN Carides |
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Institution: | Bell Laboratories, Murray Hill, New Jersey 07974 USA |
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Abstract: | The preparation and physical properties of the layered VS2, MyV1?yS2 (M = Fe or Cr), and their lithium intercalation adducts are described. These compounds were prepared by oxidative delithiation of LiMyV1?yS2 with iodine. Crystallographic distortions present in LixVS2 (0.25 ? x ? 0.6) are suppressed by Fe or Cr substitution for V. The electrochemical sluggishness of Li/Li+/VS2 cells is reduced by the substitution. |
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