Functionalization of graphene materials by heteroatom-doping for energy
conversion and storage |
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Authors: | Chuangang Hu Dong Liu Ying Xiao and Liming Dai |
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Institution: | 1. Center of Advanced Science and Engineering for Carbon (Case4carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University (CWRU), 10900 Euclid Avenue, Cleveland, OH 44106, USA;2. BUCT-CWRU International Joint Laboratories, College of Energy, Beijing University of Chemical Technology (BUCT), Beijing 100029, China |
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Abstract: | Recent development in nanoscience and nanotechnology has opened up new frontiers in materials science and engineering to create new materials for energy generation and storage. Owing to their earth abundance, low-cost, structural tunability, large-surface area, and unique physicochemical properties, graphitic carbon materials have attracted a great deal of attention for energy-related applications. However, the pristine graphene materials without functionalization is intractable (insoluble and infusible), which has hindered their practical applications. Therefore, considerable research effort has been devoted to the development of functionalized graphene materials with desirable properties for specific applications, including energy conversion and storage. It was demonstrated that functionalized graphene materials with tunable work functions were useful as charge-extraction materials to effectively improve solar cell performance while those with high electrocatalytic activities could be used as metal-free catalysts in fuel cells, metal-air batteries, water splitting and integrated energy systems. This article provides a timely focused review on the development of heteroatom-doped graphene materials for low-cost, but efficient, energy generation and storage. |
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Keywords: | Heteroatom-doping Functionalization Carbon-based catalysts Metal-free electrocatalysis Energy conversion and storage |
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