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Single lithium-ion polymer electrolytes based on poly(ionic liquid)s for lithium-ion batteries.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Yu, Yang Wu, Aoli Zheng, Liqiang |
| Copyright Year | 2018 |
| Abstract | A promising method of synthesizing a lithium-containing room temperature polymeric ionic liquid (PIL) by utilizing the zwitterionic effect to turn a lithium salt into a liquid for single lithium-ion conduction was proposed. In this work, the room temperature PIL was constructed by the equimolar monomer mixture of zwitterion 3-(1-vinyl-3-imidazolic)propanesulfonate (VIPS) and 4-styrenesulfnny(trifluoromethylsulfony)imde (LiSTFSI) based on intermolecular electrostatic interactions. In situ photopolymerization with flexible chain poly(ethylene glycol)methyl ether methacrylate (PEGM) and cross-linker poly(ethylene glycol)dimethacrylate (PEGDM) in the presence of propylene carbonate (PC) generated free-standing PIL electrolyte films. The PIL electrolytes with Li+-rich channels have an excellent lithium transference number approaching unity (0.93 at room temperature) while attaining comparable ionic conductivity (σ ≈ 1.31 × 10-4 S cm-1 at 30 °C). The charge-discharge performance of a Li/LiFePO4 half-cell equipped with this PIL electrolyte would provide a promising model system for novel single lithium ion conductors. |
| Starting Page | 6313 |
| Ending Page | 6319 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/c8sm00907d |
| PubMed reference number | 30015349 |
| Journal | Medline |
| Volume Number | 14 |
| Issue Number | 30 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/c8/sm/c8sm00907d/c8sm00907d1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/c8sm00907d |
| Journal | Soft matter |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
