Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1996-01-29
1998-12-22
Gorgos, Kathryn L.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
H01M 448
Patent
active
058516964
ABSTRACT:
The present invention provides an electrochemical cell or battery, which has a nonmetal negative electrode (anode). That is, no solid metal active material is used in the cell. Rather than the conventional solid lithium metal anode, the active material of the new anode comprises a compound of vanadium oxide. Accordingly, the lithium cell of the invention comprises a positive electrode and a negative electrode, where the negative electrode comprises a compound of vanadium oxide which in a fully discharged state is represented by the nominal general formula V.sub.6 O.sub.13 or Li.sub.y V.sub.6 O.sub.13, y equal to 0; and, in a fully or partially lithiated, fully or partially charged state, is represented by the nominal general formula Li.sub.y V.sub.6 O.sub.13, where y is greater than 0 and less than or equal to 8. The unique negative electrode of the invention demonstrates exceptional performance without the disadvantages of metallic lithium negative electrodes.
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Barker Jeremy
Saidi M. Yazid
Chaney Carol
Gorgos Kathryn L.
Valence Technology Inc.
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