Graphene, electrode, secondary battery, vehicle, and electronic device
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsShunpei YAMAZAKI, Kazutaka KURIKI, Taisuke NAKAO, Teruaki OCHIAI
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Abstract
Novel graphene is provided. A novel graphene compound is provided. An electrode having a high output is provided. A novel electrode is provided. A secondary battery with little deterioration is provided. A secondary battery with a high degree of safety is provided. Graphene has a vacancy formed with a many-membered ring that is a nine- or more-membered ring composed of carbon atoms. One or more of the carbon atoms included in the many-membered ring are terminated with fluorine.
Claims11
Graphene comprising a vacancy formed with a many-membered ring that is a nine- or more-membered ring composed of carbon atoms.
An electrode comprising an active material particle and graphene,
- wherein the graphene comprises a vacancy formed with a many-membered ring that is a nine- or more-membered ring composed of carbon atoms, and
- wherein the graphene covers at least part of a surface of the active material particle.
Dependencies are inferred from the claim text.