Hydrogenated fullerenes as an additive to carbon anode for recha

Details Hydrogenated fullerenes as an additive to carbon anode for recha Hydrogenated fullerenes as an additive to carbon anode for recha

1998-11-25

2000-11-14

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

42923195, 423445B, 423445R, H01M 458, C01B 3100

Patent

active

06146791&

ABSTRACT:
A rechargeable electrochemical cell comprising a body of aprotic, non-aqueous electrolyte, first and second electrodes in effective electrochemical contact with the electrolyte, the first electrode comprising positive active cathode materials such as a lithiated intercalation compound serving as the cathode and the second electrode comprising a modified carbon material formed of a graphite or carbon based materials, for example, having a hydrogenated fullerene material, such as hydrogenated C.sub.60 or C.sub.70, adsorbed thereon and serving as the anode; whereby they provide a lithium-ion cell having improved reversible energy storage characteristics and irreversible energy loss characteristics as compared with similar lithium-ion cells having carbon anodes that are not so-modified with hydrogenated fullerene material.

REFERENCES:
patent: 5705296 (1998-01-01), Kamauchi et al.
patent: 5981107 (1999-11-01), Hamano et al.

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