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Proceedings Paper

Search for greener Li-ion batteries: an alternative offered by organic electroactive materials
Author(s): Joaquin Geng; Stéven Renault; Philippe Poizot; Franck Dolhem
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Paper Abstract

The threats of climate change and the issues of secure energy supply are among the fundamental challenges of the 21stcentury that push humanity to adopt a sustainable development and to favour the use of renewable sources of energy. In addition to their historical use, LIBs seem on the road to power the next "Zero Emission" vehicles or could be used to assist the integration of renewable energy sources both on- and off-the-grid. Consequently, production of LIBs is expected to keep on growing. However LIBs are nearly exclusively based on inorganic compounds, non-renewable and energy-greedy materials. Thus in parallel with regular research on inorganic-based LIBs, we have recently proposed to probe an alternative pathway by searching for redox-active organic materials, easier to discard while possibly derived from biomass resources. As solid-state electrochemistry of organics is not that well documented, our current approach consists in a global survey of selected organic structures in order to grasp relevant parameters that affect the redox potential, the stability upon cycling and so on. In this report, we extend our current database of redox-active organic structures by evaluating vs. Li bulky pyrazine-based structures and dilithium polyporate as a supplementary specimen of p-benzoquinone derivatives.

Paper Details

Date Published: 17 May 2011
PDF: 10 pages
Proc. SPIE 8035, Energy Harvesting and Storage: Materials, Devices, and Applications II, 803504 (17 May 2011); doi: 10.1117/12.883244
Show Author Affiliations
Joaquin Geng, Univ. de Picardie Jules Verne (France)
Stéven Renault, Univ. de Picardie Jules Verne (France)
Philippe Poizot, Univ. de Picardie Jules Verne (France)
Franck Dolhem, Univ. de Picardie Jules Verne (France)

Published in SPIE Proceedings Vol. 8035:
Energy Harvesting and Storage: Materials, Devices, and Applications II
Nibir K. Dhar; Priyalal S. Wijewarnasuriya; Achyut K. Dutta, Editor(s)

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