Abstract
3-Hexylthiophene was incorporated into battery electrolyte as a life-extending additive. Upon oxidation, this monomer forms a conductive, conjugated polymer, resulting in significant increase in the cycle lifetimes of lithium half-cells containing high capacity Li1.2Ni0.15Co0.1Mn0.55O2 and high voltage LiNi0.5Mn1.5O4 cathodes. This additive significantly reduces the interfacial impedance growth observed in the cell without additive, which indicates an effective protection of the interface when using 3-hexythiophene. We also observed an improvement in safety when 3-hexylthiophene was incorporated. Electron microscopy images show the new polymer on the cathode surface, specifically poly(3-hexylthiophene) as supported by characterization of the cathode surface using vibrational spectroscopy (Raman and infrared) and mass spectrometry (MALDI).
| Original language | English (US) |
|---|---|
| Pages (from-to) | A268-A271 |
| Journal | Journal of the Electrochemical Society |
| Volume | 160 |
| Issue number | 2 |
| DOIs | |
| State | Published - Apr 2 2013 |
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ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Renewable Energy, Sustainability and the Environment
- Surfaces, Coatings and Films
- Electrochemistry
- Materials Chemistry
Cite this
3-Hexylthiophene as a stabilizing additive for high voltage cathodes in lithium-ion batteries. / Abouimrane, Ali; Odom, Susan A.; Tavassol, Hadi; Schulmerich, Matthew V.; Wu, Huiming; Bhargav, Rohit; Gewirth, Andrew A.; Moore, Jeffrey S.; Amine, Khalil.
In: Journal of the Electrochemical Society, Vol. 160, No. 2, 02.04.2013, p. A268-A271.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - 3-Hexylthiophene as a stabilizing additive for high voltage cathodes in lithium-ion batteries
AU - Abouimrane, Ali
AU - Odom, Susan A.
AU - Tavassol, Hadi
AU - Schulmerich, Matthew V.
AU - Wu, Huiming
AU - Bhargav, Rohit
AU - Gewirth, Andrew A.
AU - Moore, Jeffrey S.
AU - Amine, Khalil
PY - 2013/4/2
Y1 - 2013/4/2
N2 - 3-Hexylthiophene was incorporated into battery electrolyte as a life-extending additive. Upon oxidation, this monomer forms a conductive, conjugated polymer, resulting in significant increase in the cycle lifetimes of lithium half-cells containing high capacity Li1.2Ni0.15Co0.1Mn0.55O2 and high voltage LiNi0.5Mn1.5O4 cathodes. This additive significantly reduces the interfacial impedance growth observed in the cell without additive, which indicates an effective protection of the interface when using 3-hexythiophene. We also observed an improvement in safety when 3-hexylthiophene was incorporated. Electron microscopy images show the new polymer on the cathode surface, specifically poly(3-hexylthiophene) as supported by characterization of the cathode surface using vibrational spectroscopy (Raman and infrared) and mass spectrometry (MALDI).
AB - 3-Hexylthiophene was incorporated into battery electrolyte as a life-extending additive. Upon oxidation, this monomer forms a conductive, conjugated polymer, resulting in significant increase in the cycle lifetimes of lithium half-cells containing high capacity Li1.2Ni0.15Co0.1Mn0.55O2 and high voltage LiNi0.5Mn1.5O4 cathodes. This additive significantly reduces the interfacial impedance growth observed in the cell without additive, which indicates an effective protection of the interface when using 3-hexythiophene. We also observed an improvement in safety when 3-hexylthiophene was incorporated. Electron microscopy images show the new polymer on the cathode surface, specifically poly(3-hexylthiophene) as supported by characterization of the cathode surface using vibrational spectroscopy (Raman and infrared) and mass spectrometry (MALDI).
UR - http://www.scopus.com/inward/record.url?scp=84875462963&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84875462963&partnerID=8YFLogxK
U2 - 10.1149/2.039302jes
DO - 10.1149/2.039302jes
M3 - Article
AN - SCOPUS:84875462963
VL - 160
SP - A268-A271
JO - Journal of the Electrochemical Society
JF - Journal of the Electrochemical Society
SN - 0013-4651
IS - 2
ER -