Sökning: onr:"swepub:oai:DiVA.org:uu-456877" >
Electrochemical Pro...
Electrochemical Properties of Nitrogen and Oxygen Doped Reduced Graphene Oxide
-
Hartmann, Sean J. (författare)
-
- Iurchenkova, Anna A., 1997- (författare)
- Laboratory of Hybrid Materials for Electrochemical Energy Storage Devises, Department of Natural Science, Novosibirsk State University, 1 Pirogov str., 630090 Novosibirsk, Russia
-
Kallio, Tanja (författare)
-
visa fler...
-
Fedorovskaya, Ekaterina O. (författare)
-
visa färre...
-
Laboratory of Hybrid Materials for Electrochemical Energy Storage Devises, Department of Natural Science, Novosibirsk State University, 1 Pirogov str, 630090 Novosibirsk, Russia (creator_code:org_t)
- 2020-01-08
- 2020
- Engelska.
-
Ingår i: Energies. - : MDPI. - 1996-1073. ; 13:2
- Relaterad länk:
-
https://doi.org/10.3...
-
visa fler...
-
https://uu.diva-port... (primary) (Raw object)
-
https://www.mdpi.com...
-
https://urn.kb.se/re...
-
https://doi.org/10.3...
-
visa färre...
Abstract
Ämnesord
Stäng
- Carbon nanostructures are promising electrode materials for energy storage devices because of their unique physical and chemical properties. Modification of the surface improves the electrochemical properties of those materials because of the changes in morphology, diffusion properties, and inclusion of additional contributions to redox processes. Oxygen-containing functional groups and nitrogen doped into the carbon matrix significantly contribute to the electrochemical behavior of reduced graphite oxide (RGO). In this work, RGO was synthesized during hydrothermal treatment of graphite oxide with a hydrazine sulfate aqueous solution. Different amounts of hydrazine sulfate were used to synthesize RGO with different nitrogen contents in the structure, and the same synthesis conditions made it possible to obtain a material with a similar composition of oxygen-containing functional groups. The materials with different nitrogen concentrations and similar amounts of oxygen were compared as electrode materials for a supercapacitor and as a negative electrode material for a Li-ion battery. It was shown that the presence of oxygen-containing functional groups has the greatest influence on the behavior and efficiency of supercapacitor electrode materials, while nitrogen atoms embedded in the graphene lattice play the largest role in lithium intercalation.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Nyckelord
- Energy (miscellaneous)
- Energy Engineering and Power Technology
- Renewable Energy
- Sustainability and the Environment
- Electrical and Electronic Engineering
- Control and Optimization
- Engineering (miscellaneous)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
-
Energies
(Sök värdpublikationen i LIBRIS)
Till lärosätets databas