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Defect-Engineered Graphene for High-Energy- and High-Power-Density Supercapacitor Devices

, : Defect-Engineered Graphene for High-Energy- and High-Power-Density Supercapacitor Devices. Advanced Materials 28(33): 7185-7192

Defects are often written off as performance limiters. Contrary to this notion, it is shown that controlling the defect configuration in graphene is critical to overcome a fundamental limitation posed by quantum capacitance and opens new channels for ion diffusion. Defect-engineered graphene flexible pouch capacitors with energy densities of 500% higher than the state-of-the-art supercapacitors are demonstrated.


PMID: 27299300

DOI: 10.1002/adma.201602028

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