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Jezowski, P., Crosnier, O., Deunf, E., Poizot, P., Beguin, F. & Brousse, T. (2018) Safe and recyclable lithium-ion capacitors using sacrificial organic lithium salt. Nature Materials, 17 167–173. 
Added by: Richard Baschera (2018-02-08 10:21:42)   Last edited by: Richard Baschera (2018-02-12 10:41:37)
Type de référence: Article
DOI: 10.1038/NMAT5029
Clé BibTeX: Jezowski2018
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Créateurs: Beguin, Brousse, Crosnier, Deunf, Jezowski, Poizot
Collection: Nature Materials
Consultations : 2/425
Indice de consultation : 4%
Indice de popularité : 1%
Lithium-ion capacitors (LICs) shrewdly combine a lithium-ion battery negative electrode capable of reversibly intercalating lithium cations, namely graphite, together with an electrical double-layer positive electrode, namely activated carbon. However, the beauty of this concept is marred by the lack of a lithium-cation source in the device, thus requiring a specific preliminary charging step. The strategies devised thus far in an attempt to rectify this issue all present drawbacks. Our research uncovers a unique approach based on the use of a lithiated organic material, namely 3,4-dihydroxybenzonitrile dilithium salt. This compound can irreversibly provide lithium cations to the graphite electrode during an initial operando charging step without any negative effects with respect to further operation of the LIC. This method not only restores the low CO2 footprint of LICs, but also possesses far-reaching potential with respect to designing a wide range of greener hybrid devices based on other chemistries, comprising entirely recyclable components.
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