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Mechanochemical Synthesis of Fe–S Materials

✍ Scribed by J.Z. Jiang; R.K. Larsen; R. Lin; S. Mørup; I. Chorkendorff; K. Nielsen; K. Hansen; K. West

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
756 KB
Volume
138
Category
Article
ISSN
0022-4596

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✦ Synopsis

Powder mixtures of metallic iron and sulfur have been milled in a high-energy planetary ball mill and the formation of iron sulfides has been studied by x-ray diffraction, Mo¨ssbauer spectroscopy, and scanning electron microscopy. For Fe : S ratios of 1 : 1 and 1 : 2 the final products are FeS with the modified NiAs structure and FeS 2 (pyrite), respectively. No other iron sulfides were formed for any of the Fe:S ratios studied. The FeS phase has been tested as an electrode material in lithium batteries.

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