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Lithium Vanadium Pentoxide Battery

Vanadium pent is a solid cathode material into which lithium ions are inserted, the vanadium ions becoming partially reduced in the process. Discharge plateaux are observed at 3.3 V and 2.4 V, which are too far apart for the latter to be utilised in most equipment. The system is low pressure, so low rate cells do not need to have a safety vent. Vanadium pentoxide is mainly used in reserve batteries, but it is likely to be of more importance in rechargeable lithium batteries in the future.