NDLI: Lithium-Catalyzed Carbon Aerogel and Its Possible Application in Energy Storage Materials

Content Provider	Springer Nature Link
Author	Ciszewski, Mateusz Szatkowska, Elżbieta Koszorek, Andrzej
Copyright Year	2017
Abstract	A lithium-based catalyst for carbon aerogel compounds and carbon nanotubes synthesis was used. Lithium hydroxide-catalyzed and CNT-modified carbon aerogel was compared to traditionally synthesized sodium carbonate-catalyzed carbon aerogel, as well as to the same material modified with CNT to evaluate the real effect of lithium hydroxide addition. Enhancement in the specific surface area from 498 m$^{2}$/g to 786 m$^{2}$/g and significant change in pore size distribution were observed. Low temperature, supercritical drying in carbon dioxide was used to prepare an organic aerogel with subsequent pyrolysis in an inert gas flow to convert it into carbon aerogel. The as-obtained material was examined with respect to energy storage applications, i.e. symmetric hybrid supercapacitors. It was shown that lithium hydroxide was responsible for shorter gelation time, increased specific surface area, and a greater number of micropores within the structure. For both reference materials prepared using sodium carbonate, quite different data were recorded. It was presented that the proper choice of carbon matrix should combine both high specific surface area and appropriate pore size distribution. High surface area and a relatively large number of micropores were responsible for specific capacity loss.
Starting Page	4612
Ending Page	4617
Page Count	6
File Format	PDF
ISSN	03615235
Journal	Journal of Electronic Materials
Volume Number	46
Issue Number	7
e-ISSN	1543186X
Language	English
Publisher	Springer US
Publisher Date	2017-03-27
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon aerogels supercritical drying supercapacitors lithium catalyst CNT Optical and Electronic Materials Characterization and Evaluation of Materials Electronics and Microelectronics, Instrumentation Solid State Physics
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Electronic, Optical and Magnetic Materials Condensed Matter Physics Electrical and Electronic Engineering

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