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Carbon-based Nanostructures for Energy Conversion and Storage: Synthesis, Performance and Mechanism

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Abstract

Fuel cells, supercapacitors and lithium-sulphur batteries are the typical energy conversion and storage devices of great significance in which carbon-based nanostructures could play irreplaceable role. The functionalized carbon-based nanostructures could be applied to fuel cells to lower Pt loading by highly dispersing and immobilizing Pt-based nanoparticles, or to totally get rid of Pt with the metal-free electrocatalytic ability themselves. The abundant nanostructures and morphologies, tunable compositions, high surface area, good conductivity, small volume expansion, as well as the low cost and environmental benignity make the carbon-based nanostructures have great potential as electrode materials of supercapacitors and lithium-sulphur batteries. In this talk I will give a brief introduction to the progressive advancements in our group about the synthesis [1,2], performance [3-9] and mechanism [8-10] of the carbon-based nanostructures, especially the nanocages, for this kind of energy conversion and storage. Special attention will be paid to the materials design by doping the carbon-based nanostructures with electron-rich N [3-5,8], electron-deficient B [9], and the both [10] to elucidate the correlation of the performance with the doping microstructures, which is a general interesting issue in developing the advanced carbon-based energy materials.

© 2015 Optical Society of America

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