»ã±¨±êÌ⣺Ultracapacitive Energy Storage Devices Under Extreme Conditions Using Graphene and 2D Nanomaterials

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With increasing demand for high performance energy storage devices, the feasibility of reliable energy storage that well operates under extreme conditions is of prime importance for expanding applicative fields as well as for understanding materials properties and device physics. The control in the physical structure and chemical composition of graphene and other 2D nanomaterials for ultracapacitive energy storage devices and the conditions will be introduced in this talk. The chemical approach for high performance energy storage devices under various limited conditions is based on hierarchical architecturing and compositional control of 2D nanomaterials because capacitive phenomenon intrinsically depends on the surface texture and chemistry. In addition, a fundamental foundation via in-situ spectroscopic and computational techniques will be presented to understand capacitive charge storage phenomenon of new materials and devices occurring on a nanoscale under various circumstances.