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| 024 | 7 | _ | |a 10.3390/separations4030026 |2 doi |
| 024 | 7 | _ | |a 2128/19761 |2 Handle |
| 024 | 7 | _ | |a WOS:000411999000003 |2 WOS |
| 037 | _ | _ | |a FZJ-2018-04836 |
| 082 | _ | _ | |a 540 |
| 100 | 1 | _ | |a Pyschik, Marcelina |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Capillary Electrophoresis as Analysis Technique for Battery Electrolytes: (i) Monitoring Stability of Anions in Ionic Liquids and (ii) Determination of Organophosphate-Based Decomposition Products in LiPF6-Based Lithium Ion Battery Electrolytes |
| 260 | _ | _ | |a Basel |c 2017 |b MDPI |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a In this work, a method for capillary electrophoresis (CE) hyphenated to a high-resolution mass spectrometer was presented for monitoring the stability of anions in ionic liquids (ILs) and in commonly used lithium ion battery (LIB) electrolytes. The investigated ILs were 1-methyl-1-propylpyrrolidinium bis(trifluoromethanesulfonyl)imide (PYR13TFSI) and 1-methyl-1-propylpyrrolidinium bis(fluorosulfonyl)imide (PYR13FSI). The method development was conducted by adjusting the following parameters: buffer compositions, buffer concentrations, and the pH value. Also the temperature and the voltage applied on the capillary were optimized. The ILs were aged at room temperature and at 60 °C for 16 months each. At both temperatures, no anionic decomposition products of the FSI− and TFSI− anions were detected. Accordingly, the FSI− and TFSI− anions were thermally stable at these conditions. This method was also applied for the investigation of LIB electrolyte samples, which were aged at 60 °C for one month. The LP30 (50/50 wt. % dimethyl carbonate/ethylene carbonate and 1 M lithium hexafluorophosphate) electrolyte was mixed with the additive 1,3-propane sultone (PS) and with one of the following organophosphates (OP): dimethyl phosphate (DMP), diethyl phosphate (DEP), and triethyl phosphate (TEP), to investigate the influence of these compounds on the formation of OPs. |
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| 700 | 1 | _ | |a Winter, Martin |0 P:(DE-Juel1)166130 |b 1 |e Corresponding author |u fzj |
| 700 | 1 | _ | |a Nowak, Sascha |0 0000-0003-1508-6073 |b 2 |e Corresponding author |
| 773 | _ | _ | |a 10.3390/separations4030026 |g Vol. 4, no. 3, p. 26 - |0 PERI:(DE-600)2869930-0 |n 3 |p 26 - |t Separations |v 4 |y 2017 |x 2297-8739 |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/851134/files/separations-04-00026-v2.pdf |
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