Conductor, power storage device, electronic device, and method for forming conductor
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsTeruaki Ochiai, Takahiro Kawakami, Takuya Miwa
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Abstract
A novel electrode is provided. A novel power storage device is provided. A conductor having a sheet-like shape is provided. The conductor has a thickness of greater than or equal to 800 nm and less than or equal to 20 μm. The area of the conductor is greater than or equal to 25 mm2 and less than or equal to 10 m2. The conductor includes carbon and oxygen. The conductor includes carbon at a concentration of higher than 80 atomic % and oxygen at a concentration of higher than or equal to 2 atomic % and lower than or equal to 20 atomic %.
Claims8
A current collector of a secondary battery, comprising:
- a graphene compound;
- wherein an interlayer distance between adjacent layers in the graphene compound is longer than or equal to 0.335 nm and shorter than or equal to 0.7 nm,
- wherein the graphene compound comprises ions between the adjacent layers, and
- wherein the ions between the adjacent layers in the graphene compound at least comprise lithium ions.
Dependencies are inferred from the claim text.