Cathode materials for secondary (rechargeable) lithium batteries

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Date

2002-05-21

Authors

John B. Goodenough
K. S. Nanjundaswamy
Christian Masquelier
Akshaya K. Pahdi

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United States Patent and Trademark Office

Abstract

The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3− as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.

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