Graphene Nano‐Blister in Graphite for Future Cathode in Dual‐Ion Batteries: Fundamentals, Advances, and Prospects

The intercalating of anions into cost‐effective graphite electrode provides a high operating voltage, therefore, the dual‐ion batteries (DIBs) as novel energy storage device has attracted much attention recently. The “graphene in graphite” has always existed in the graphite cathode of DIBs, but has...

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Bibliographic Details
Published in:Advanced science 2023-05, Vol.10 (15), p.e2207426-n/a
Main Authors: He, Yitao, Dong, Yujie, Zhang, Yaohui, Li, Yongtao, Li, Haijin
Format: Article
Language:English
Subjects:
Carbon
dual‐ion batteries
Electrodes
Electrolytes
Energy storage
Graphene
graphene blisters
graphene in graphite
Graphite
graphite cathodes
Oxidation
Physical properties
Review
Reviews
Solvents
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Summary:The intercalating of anions into cost‐effective graphite electrode provides a high operating voltage, therefore, the dual‐ion batteries (DIBs) as novel energy storage device has attracted much attention recently. The “graphene in graphite” has always existed in the graphite cathode of DIBs, but has rarely been researched. It is foreseeable that the graphene blisters with the intact lattice structure in the shell can utilize its ultra‐high elastic stiffness and reversible lattice expansion for increasing the storage capacity of anions in the batteries. This review proposes an expected “blister model” by introducing the high elasticity of graphene blisters and its possible formation mechanism. The unique blisters composed of multilayer graphene that do not fall off on the graphite surface may become indispensable in nanotechnology in the future development of cathode materials for DIBs. The intercalation of solvated anions enables a few graphitic layers to separate from the bulk graphite and form a nano‐blister. The number of graphite layers in the blister shell is often less than 10, and the physical properties of blister shell similar to those of graphene make it different from bulk graphite, so it can be referred as “graphene blister”.
ISSN:2198-3844
2198-3844
DOI:10.1002/advs.202207426