Mechanism of Oxygen Reduction in Aprotic Li–Air Batteries: The Role of Carbon Electrode Surface Structure
Publication type: Journal Article
Publication date: 2017-01-17
scimago Q1
wos Q3
SJR: 0.914
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
Electrochemical oxygen reduction in aprotic media is a key process that determines the operation of advanced metal–oxygen power sources, e.g., Li–O2 batteries. In such systems oxygen reduction on carbon-based positive electrodes proceeds through a complicated mechanism that comprises several chemical and electrochemical steps involving either dissolved or adsorbed species, and as well side reactions with carbon itself. Here, cyclic voltammetry was used to reveal the effects of imperfections in the planar sp2 surface structure of carbon on the Li oxygen reduction reaction (Li-ORR) mechanism by means of different model carbon electrodes (highly oriented pyrolytic graphite (HOPG), glassy carbon, basal, and edge planes of pyrolytic graphite), in dimethyl sulfoxide (DMSO)-based electrolyte. We show that the first electron transfer step O2 + e– ⇆ O2– (followed by ion-coupling Li+ + O2– ⇆ LiO2) does not involve oxygen chemisorption on carbon as evidenced by the independence of its rate on the carbon electrode su...
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87
Total citations:
87
Citations from 2024:
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(12%)
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GOST
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Inozemtseva A. I. et al. Mechanism of Oxygen Reduction in Aprotic Li–Air Batteries: The Role of Carbon Electrode Surface Structure // Journal of Physical Chemistry C. 2017. Vol. 121. No. 3. pp. 1569-1577.
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Inozemtseva A. I., Kwabi D. G., Yashina L. V., Shao-Horn Y., Itkis D. Mechanism of Oxygen Reduction in Aprotic Li–Air Batteries: The Role of Carbon Electrode Surface Structure // Journal of Physical Chemistry C. 2017. Vol. 121. No. 3. pp. 1569-1577.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acs.jpcc.6b12221
UR - https://doi.org/10.1021/acs.jpcc.6b12221
TI - Mechanism of Oxygen Reduction in Aprotic Li–Air Batteries: The Role of Carbon Electrode Surface Structure
T2 - Journal of Physical Chemistry C
AU - Inozemtseva, Alina I
AU - Kwabi, David G.
AU - Yashina, Lada V.
AU - Shao-Horn, Yang
AU - Itkis, Daniil
PY - 2017
DA - 2017/01/17
PB - American Chemical Society (ACS)
SP - 1569-1577
IS - 3
VL - 121
SN - 1932-7447
SN - 1932-7455
ER -
Cite this
BibTex (up to 50 authors)
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@article{2017_Inozemtseva,
author = {Alina I Inozemtseva and David G. Kwabi and Lada V. Yashina and Yang Shao-Horn and Daniil Itkis},
title = {Mechanism of Oxygen Reduction in Aprotic Li–Air Batteries: The Role of Carbon Electrode Surface Structure},
journal = {Journal of Physical Chemistry C},
year = {2017},
volume = {121},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acs.jpcc.6b12221},
number = {3},
pages = {1569--1577},
doi = {10.1021/acs.jpcc.6b12221}
}
Cite this
MLA
Copy
Inozemtseva, Alina I., et al. “Mechanism of Oxygen Reduction in Aprotic Li–Air Batteries: The Role of Carbon Electrode Surface Structure.” Journal of Physical Chemistry C, vol. 121, no. 3, Jan. 2017, pp. 1569-1577. https://doi.org/10.1021/acs.jpcc.6b12221.