Fullerene-based secondary cell electrodes

Details Fullerene-based secondary cell electrodes Fullerene-based secondary cell electrodes

2006-10-31

2006-10-31

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231400, C423S44500R

Reexamination Certificate

active

07129003

ABSTRACT:
This invention provides methods and materials for the manufacture of lithium ion rechargeable battery electrodes comprising fullerene compounds which have not been exposed to oxygen. Fullerene compounds are intercalated into carbonaceous materials to form electrodes having superior intercalation/deintercalation properties. Fullerene monomers, such as C60, C70, C74, C76, C78, C80, C84and C80–100and fluorinated derivatives thereof, are useful in the methods and materials of this invention. Materials incorporating C74are particularly preferred. The invention also provides fullerene polymer materials useful for lithium ion electrodes with greatly improved electrochemical properties.

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