Development of Lithium Dimethyl Phosphate as an Electrolyte Additive for Lithium Ion Batteries
Abstract
The novel electrolyte additive lithium dimethyl phosphate (LiDMP) has been synthesized and characterized. Incorporation of LiDMP (0.1% wt) into LiPF6 in ethylene carbonate (EC) / ethyl methyl carbonate (EMC) (3:7 wt) results in improved rate performance and reduced impedance for graphite / LiNi1/3Mn1/3Co1/3O2 cells. Ex-situ surface analysis of the electrodes suggests that incorporation of LiDMP results in a modification of the solid electrolyte interphase (SEI) on the anode. A decrease in the concentration of lithium alkyl carbonates and an increase in the concentration of lithium fluoro phosphates are observed. The change in the anode SEI structure is responsible for the increased rate performance and decreased cell impedance.
- Authors:
-
- Univ. of Rhode Island, Kingston, RI (United States). Department of Chemistry
- Battery R&D Center, Samsung SDI, Yeongtong-gu, Suwon-si (South Korea)
- Publication Date:
- Research Org.:
- Univ. of Rhode Island, Kingston, RI (United States). Department of Chemistry
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1437261
- Grant/Contract Number:
- SC0007074
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the Electrochemical Society
- Additional Journal Information:
- Journal Volume: 163; Journal Issue: 7; Journal ID: ISSN 0013-4651
- Publisher:
- The Electrochemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 25 ENERGY STORAGE; Additives; Electrolyte; Solid Electrolyte Interphase
Citation Formats
Milien, Mickdy S., Tottempudi, Usha, Son, Miyoung, Ue, Makoto, and Lucht, Brett L. Development of Lithium Dimethyl Phosphate as an Electrolyte Additive for Lithium Ion Batteries. United States: N. p., 2016.
Web. doi:10.1149/2.1131607jes.
Milien, Mickdy S., Tottempudi, Usha, Son, Miyoung, Ue, Makoto, & Lucht, Brett L. Development of Lithium Dimethyl Phosphate as an Electrolyte Additive for Lithium Ion Batteries. United States. https://doi.org/10.1149/2.1131607jes
Milien, Mickdy S., Tottempudi, Usha, Son, Miyoung, Ue, Makoto, and Lucht, Brett L. Wed .
"Development of Lithium Dimethyl Phosphate as an Electrolyte Additive for Lithium Ion Batteries". United States. https://doi.org/10.1149/2.1131607jes. https://www.osti.gov/servlets/purl/1437261.
@article{osti_1437261,
title = {Development of Lithium Dimethyl Phosphate as an Electrolyte Additive for Lithium Ion Batteries},
author = {Milien, Mickdy S. and Tottempudi, Usha and Son, Miyoung and Ue, Makoto and Lucht, Brett L.},
abstractNote = {The novel electrolyte additive lithium dimethyl phosphate (LiDMP) has been synthesized and characterized. Incorporation of LiDMP (0.1% wt) into LiPF6 in ethylene carbonate (EC) / ethyl methyl carbonate (EMC) (3:7 wt) results in improved rate performance and reduced impedance for graphite / LiNi1/3Mn1/3Co1/3O2 cells. Ex-situ surface analysis of the electrodes suggests that incorporation of LiDMP results in a modification of the solid electrolyte interphase (SEI) on the anode. A decrease in the concentration of lithium alkyl carbonates and an increase in the concentration of lithium fluoro phosphates are observed. The change in the anode SEI structure is responsible for the increased rate performance and decreased cell impedance.},
doi = {10.1149/2.1131607jes},
journal = {Journal of the Electrochemical Society},
number = 7,
volume = 163,
place = {United States},
year = {Wed Apr 27 00:00:00 EDT 2016},
month = {Wed Apr 27 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Lithium Bis(2,2,2-trifluoroethyl)phosphate Li[O 2 P(OCH 2 CF 3 ) 2 ]: A High Voltage Additive for LNMO/Graphite Cells
journal, January 2018
- Milien, Mickdy S.; Beyer, Hans; Beichel, Witali
- Journal of The Electrochemical Society, Vol. 165, Issue 11