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The ambient temperature preparation and characterization of LixFe203, Li=WO2, and ~-LiA1 with potential applications as alternative anodes for secondary Li batteries are described. Both ~ and X forms of Fe203 were found to insert a maximum of six LiJFe203 both electrochemically and chemically. The potential plateaus associated with the electrochemical reduction of the two forms of Fe203 varied slightly. Both ~-Li6Fe203 and ~-Li6Fe203 were amorphous and showed a practically useful rechargeable capacity of about 1 equiv of Li at the moderate rate of 0.5 mA/cm 2. Li=WO2 also loses substantial crystallinity upon Li insertion. However, most of the crystallinity was regained upon removal of this Li. It was found to be capable of cycling nearly I equiv of Li at low rates. Several Li-A1 alloys having the ~-LiA1 structure were prepared at ambient temperature from A1 powder and Li-naphthalide. The rechargeability of the chemically prepared 3-LiA1 was poor.

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The molybdenum oxysulfides (V) and (VI) are prepared according to the scheme and their chemical reactivity with Li is tested using BuLi.