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US 2020/0287239 A1Published application
Graphene compound and manufacturing method thereof, electrolyte, and power storage device
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorMasaki YAMAKAJI
Life of this patent
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Abstract
To provide a graphene compound having an insulating property and an affinity for lithium ions. To increase the molecular weight of a substituent included in a graphene compound. To provide a graphene compound including a chain group containing an ether bond or an ester bond. To provide a graphene compound including a substituent containing one or more branches. To provide a graphene compound including a substituent including at least one of an ester bond and an amide bond.
Claims13
A graphene compound comprising a structure represented by a general formula (G0)
- wherein:
- G layer represents a graphene layer, and
- one of R1 and R2 represents a chain group comprising an ether bond or an ester bond, and the other of R1 and R2 represents the chain group or a hydrogen atom.
A power storage device comprising:
- a positive electrode active material layer;
- a negative electrode active material layer;
- and
- a solid electrolyte in contact with the positive electrode active material layer and the negative electrode active material layer, the solid electrolyte comprising a graphene compound,
- wherein:
- the graphene compound comprises a structure represented by a general formula (G0)
- G layer represents a graphene layer, and
- one of R1 and R2 represents a chain group comprising an ether bond or an ester bond, and the other of R1 and R2 represents the chain group or a hydrogen atom.
5 more elements
Dependencies are inferred from the claim text.