Tannin-Based Nanoscale Carbon Spherogels as Electrodes for Electrochemical Applications
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in: ACS Applied Nano Materials, Jahrgang 4.2021, Nr. 12, 02.12.2021, S. 14115-14125.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - Tannin-Based Nanoscale Carbon Spherogels as Electrodes for Electrochemical Applications
AU - Koopmann, Ann Kathrin
AU - Torres-Rodríguez, Jorge
AU - Salihovic, Miralem
AU - Schoiber, Juergen
AU - Musso, Maurizio
AU - Fritz-Popovski, Gerhard
AU - Huesing, Nicola
AU - Elsaesser, Michael S.
N1 - Publisher Copyright: © 2021 The Authors. Published by American Chemical Society.
PY - 2021/12/2
Y1 - 2021/12/2
N2 - A promising route to monolithic, hollow sphere carbon assemblies based on sustainable precursors with a tailored nanostructure is presented. These carbon assemblies, recently termed carbon spherogels, are generated via a polystyrene sphere template-based sol-gel process of mimosa tannin and biomass-derived 5-(hydroxymethyl)furfural. By completely replacing petroleum-based precursors (especially toxic formaldehyde) highly porous, nanoscale carbon monoliths are obtained, which are investigated as state-of-the-art, sustainable electrode materials for energy storage. This study defines the required synthesis parameters, in particular the highly acidic initial pH and a tannin/water ratio of at least 0.05 or lower, for a successful and homogeneous generation of these biobased carbon spherogels.
AB - A promising route to monolithic, hollow sphere carbon assemblies based on sustainable precursors with a tailored nanostructure is presented. These carbon assemblies, recently termed carbon spherogels, are generated via a polystyrene sphere template-based sol-gel process of mimosa tannin and biomass-derived 5-(hydroxymethyl)furfural. By completely replacing petroleum-based precursors (especially toxic formaldehyde) highly porous, nanoscale carbon monoliths are obtained, which are investigated as state-of-the-art, sustainable electrode materials for energy storage. This study defines the required synthesis parameters, in particular the highly acidic initial pH and a tannin/water ratio of at least 0.05 or lower, for a successful and homogeneous generation of these biobased carbon spherogels.
KW - aerogels
KW - electrochemistry
KW - hollow carbon spheres
KW - nanoporous materials
KW - sustainable carbons
KW - tannin
UR - http://www.scopus.com/inward/record.url?scp=85120864719&partnerID=8YFLogxK
U2 - 10.1021/acsanm.1c03431
DO - 10.1021/acsanm.1c03431
M3 - Article
AN - SCOPUS:85120864719
VL - 4.2021
SP - 14115
EP - 14125
JO - ACS Applied Nano Materials
JF - ACS Applied Nano Materials
SN - 2574-0970
IS - 12
ER -
