Graphene-based technologies for energy applications, challenges and perspectives
Quesnel, Etienne and Roux, Frédéric and Emieux, Fabrice and Faucherand, Pascal and Kymakis, Emmanuel and Volonakis, George and Giustino, Feliciano and Martín-García, Beatriz and Moreels, Iwan and Alkan Gürsel, Selmiye and Bayrakçeken Yurtcan, Ayşe and Di Noto, Vito and Talyzin, Alexandr and Baburin, Igor and Tranca, Diana and Seifert, Gotthard and Crema, Luigi and Speranza, Giorgio and Tozzini, Valentina and Bondavalli, Paolo and Pognon, Grégory and Botas, Cristina and Carriazo, Daniel and Singh, Gurpreet and Rojo, Teófilo and Kim, Gunwoo and Yu, Wanjing and Grey, Clare P. and Pellegrini, Vittorio (2015) Graphene-based technologies for energy applications, challenges and perspectives. 2D Materials, 2 (3). ISSN 2053-1583
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Official URL: http://dx.doi.org/10.1088/2053-1583/2/3/030204
Here we report on technology developments implemented into the Graphene Flagship European project for the integration of graphene and graphene-related materials (GRMs) into energy application devices. Many of the technologies investigated so far aim at producing composite materials associating graphene or GRMs with either metal or semiconducting nanocrystals or other carbon nanostructures (e.g., CNT, graphite). These composites can be used favourably as hydrogen storage materials or solar cell absorbers. They can also provide better performing electrodes for fuel cells, batteries, or supercapacitors. For photovoltaic (PV) electrodes, where thin layers and interface engineering are required, surface technologies are preferred. We are using conventional vacuum processes to integrate graphene as well as radically new approaches based on laser irradiation strategies. For each application, the potential of implemented technologies is then presented on the basis of selected experimental and modelling results. It is shown in particular how some of these technologies can maximize the benefit taken from GRM integration. The technical challenges still to be addressed are highlighted and perspectives derived from the running works emphasized.
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