Nano Letters, volume 9, issue 3, pages 1212-1216
Effect of Ion Distribution on Conductivity of Block Copolymer Electrolytes
Enrique D. Gomez
1
,
Ashoutosh Panday
1
,
Edward H. Feng
1
,
Vincent Chen
1
,
Gregory M. Stone
1
,
Andrew M. Minor
1
,
Suho Jung
1
,
K. H. DOWNING
1
,
Oleg Borodin
1
,
Grant D Smith
1
,
Publication type: Journal Article
Publication date: 2009-02-04
Journal:
Nano Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 10.8
ISSN: 15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
Energy-filtered transmission electron microscopy (EFTEM) was used to determine the distribution of lithium ions in solid polymer electrolytes for lithium batteries. The electrolytes of interest are mixtures of bis(trifluoromethane)sulfonimide lithium salt and symmetric poly(styrene-block-ethylene oxide) copolymers (SEO). In contrast to current solid and liquid electrolytes, the conductivity of SEO/salt mixtures increases with increasing molecular weight of the copolymers. EFTEM results show that the salt is increasingly localized in the middle of the poly(ethylene oxide) (PEO) lamellae as the molecular weight of the copolymers is increased. Calculations of the inhomogeneous local stress field in block copolymer microdomains, modeled using self-consistent field theory, provide a quantitative explanation for this observation. These stresses, which increase with increasing molecular weight, interfere with the ability of PEO chains to coordinate with lithium cations near the walls of the PEO channels where ion mobility is expected to be low.
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Gomez E. D. et al. Effect of Ion Distribution on Conductivity of Block Copolymer Electrolytes // Nano Letters. 2009. Vol. 9. No. 3. pp. 1212-1216.
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Gomez E. D., Panday A., Feng E. H., Chen V., Stone G. M., Minor A. M., Jung S., DOWNING K. H., Borodin O., Smith G. D., Balsara N. P. Effect of Ion Distribution on Conductivity of Block Copolymer Electrolytes // Nano Letters. 2009. Vol. 9. No. 3. pp. 1212-1216.
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TY - JOUR
DO - 10.1021/nl900091n
UR - https://doi.org/10.1021/nl900091n
TI - Effect of Ion Distribution on Conductivity of Block Copolymer Electrolytes
T2 - Nano Letters
AU - Panday, Ashoutosh
AU - Feng, Edward H.
AU - Chen, Vincent
AU - Stone, Gregory M.
AU - Smith, Grant D
AU - Gomez, Enrique D.
AU - Minor, Andrew M.
AU - Jung, Suho
AU - DOWNING, K. H.
AU - Borodin, Oleg
AU - Balsara, Nitash P
PY - 2009
DA - 2009/02/04 00:00:00
PB - American Chemical Society (ACS)
SP - 1212-1216
IS - 3
VL - 9
SN - 1530-6984
SN - 1530-6992
ER -
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@article{2009_Gomez,
author = {Ashoutosh Panday and Edward H. Feng and Vincent Chen and Gregory M. Stone and Grant D Smith and Enrique D. Gomez and Andrew M. Minor and Suho Jung and K. H. DOWNING and Oleg Borodin and Nitash P Balsara},
title = {Effect of Ion Distribution on Conductivity of Block Copolymer Electrolytes},
journal = {Nano Letters},
year = {2009},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/nl900091n},
number = {3},
pages = {1212--1216},
doi = {10.1021/nl900091n}
}
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Gomez, Enrique D., et al. “Effect of Ion Distribution on Conductivity of Block Copolymer Electrolytes.” Nano Letters, vol. 9, no. 3, Feb. 2009, pp. 1212-1216. https://doi.org/10.1021/nl900091n.