Oxygen Reduction by Lithiated Graphene and Graphene-Based Materials
Тип публикации: Journal Article
Дата публикации: 2015-01-14
scimago Q1
wos Q1
БС1
SJR: 4.497
CiteScore: 24.2
Impact factor: 16.0
ISSN: 19360851, 1936086X
PubMed ID:
25560087
General Physics and Astronomy
General Materials Science
General Engineering
Краткое описание
Oxygen reduction reaction (ORR) plays a key role in lithium-air batteries (LABs) that attract great attention thanks to their high theoretical specific energy several times exceeding that of lithium-ion batteries. Because of their high surface area, high electric conductivity, and low specific weight, various carbons are often materials of choice for applications as the LAB cathode. Unfortunately, the possibility of practical application of such batteries is still under question as the sustainable operation of LABs with carbon cathodes is not demonstrated yet and the cyclability is quite poor, which is usually associated with oxygen reduced species side reactions. However, the mechanisms of carbon reactivity toward these species are still unclear. Here, we report a direct in situ X-ray photoelectron spectroscopy study of oxygen reduction by lithiated graphene and graphene-based materials. Although lithium peroxide (Li2O2) and lithium oxide (Li2O) reactions with carbon are thermodynamically favorable, neither of them was found to react even at elevated temperatures. As lithium superoxide is not stable at room temperature, potassium superoxide (KO2) prepared in situ was used instead to test the reactivity of graphene with superoxide species. In contrast to Li2O2 and Li2O, KO2 was demonstrated to be strongly reactive.
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ГОСТ
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Kataev E. Yu. et al. Oxygen Reduction by Lithiated Graphene and Graphene-Based Materials // ACS Nano. 2015. Vol. 9. No. 1. pp. 320-326.
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Kataev E. Yu., Itkis D., Fedorov A., Senkovsky B. V., Usachov D. Y., Verbitskiy N. I., Grüneis A., Barinov A., Tsukanova D. Yu., Volykhov A. A., Mironovich K. V., Krivchenko V., Rybin M. G., Obraztsova E. D., Laubschat C., Vyalikh D., Yashina L. V. Oxygen Reduction by Lithiated Graphene and Graphene-Based Materials // ACS Nano. 2015. Vol. 9. No. 1. pp. 320-326.
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TY - JOUR
DO - 10.1021/nn5052103
UR - https://doi.org/10.1021/nn5052103
TI - Oxygen Reduction by Lithiated Graphene and Graphene-Based Materials
T2 - ACS Nano
AU - Kataev, Elmar Yu
AU - Itkis, Daniil
AU - Fedorov, Alexander
AU - Senkovsky, Boris V
AU - Usachov, D. Yu.
AU - Verbitskiy, Nikolay I
AU - Grüneis, A.
AU - Barinov, Alexei
AU - Tsukanova, Daria Yu
AU - Volykhov, Andrey A.
AU - Mironovich, Kirill V
AU - Krivchenko, Victor
AU - Rybin, Maksim G
AU - Obraztsova, Elena D.
AU - Laubschat, Clemens
AU - Vyalikh, Denis
AU - Yashina, Lada V.
PY - 2015
DA - 2015/01/14
PB - American Chemical Society (ACS)
SP - 320-326
IS - 1
VL - 9
PMID - 25560087
SN - 1936-0851
SN - 1936-086X
ER -
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BibTex (до 50 авторов)
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@article{2015_Kataev,
author = {Elmar Yu Kataev and Daniil Itkis and Alexander Fedorov and Boris V Senkovsky and D. Yu. Usachov and Nikolay I Verbitskiy and A. Grüneis and Alexei Barinov and Daria Yu Tsukanova and Andrey A. Volykhov and Kirill V Mironovich and Victor Krivchenko and Maksim G Rybin and Elena D. Obraztsova and Clemens Laubschat and Denis Vyalikh and Lada V. Yashina},
title = {Oxygen Reduction by Lithiated Graphene and Graphene-Based Materials},
journal = {ACS Nano},
year = {2015},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/nn5052103},
number = {1},
pages = {320--326},
doi = {10.1021/nn5052103}
}
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MLA
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Kataev, Elmar Yu., et al. “Oxygen Reduction by Lithiated Graphene and Graphene-Based Materials.” ACS Nano, vol. 9, no. 1, Jan. 2015, pp. 320-326. https://doi.org/10.1021/nn5052103.
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