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Anodes of , , and with a spinel‐type structure have been evaluated in room‐temperature lithium cells. The cathodes that were selected for this study were the stabilized spinels, and , and layered . The electrochemical data demonstrated that Li+ ions will shuttle between two transition‐metal host structures (anode and cathode) at a reasonably high voltage with a concomitant change in the oxidation state of the transition metal cations so that the Li+ ions do not reduce to the metallic state at the anode during charge. These cells reduce the safety hazards associated with cells containing metallic‐lithium, lithium‐alloy, and lithium‐carbon anodes.
Ferg et al. (Tue,) studied this question.