Journal article
Polymerized ionic liquid diblock copolymer as solid-state electrolyte and separator in lithium-ion battery
Polymer (Guilford), v 101(C), pp 311-318
28 Sep 2016
Abstract
A polymerized ionic liquid diblock copolymer (PILBCP-TFSI), poly(MMA-b-MUBIm-TFSI), consisting of an ionic liquid monomer, (1-[(2-methacryloyloxy)undecyl]-3-butylimidazolium bis(trifluoromethane)sulfonamide) (MUBIm-TFSI), and a non-ionic monomer, methyl methacrylate (MMA), was synthesized via reverse addition fragmentation chain transfer polymerization followed by anion exchange metathesis. Free standing, mechanically stable transparent solid polymer films were produced with PILBCP-TFSI containing 1 M lithium bis(trifluoromethane)sulfonamide in 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (Li-TFSI/EMIm-TFSI). The resulting PILBCP-TFSI + Li-TFSI/EMIm-TFSI films possessed ion conductivities from 1 to 10 mS cm(-1) from 25 degrees C to 105 degrees C. Solid-state lithium -ion coin cell batteries were assembled and tested at room temperature with PILBCP-TFSI + Li-TFSI/EMIm-TFSI films as the solid-state electrolyte and separator and resulted in a maximum discharge capacity of 112 mAh g(-1) at 0.1 C with a Coulombic efficiency greater than 94% over 100 cycles. For the first time, these results demonstrate the feasibility of PIL block copolymers as solid-state electrolytes and separators in lithium ion batteries. (C) 2016 Elsevier Ltd. All rights reserved.
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Details
- Title
- Polymerized ionic liquid diblock copolymer as solid-state electrolyte and separator in lithium-ion battery
- Creators
- Jacob R. Nykaza - Drexel UniversityAlice M. Savage - United States Army Research LaboratoryQiwei Pan - Drexel UniversityShijun Wang - Drexel UniversityFrederick L. Beyer - United States Army Research LaboratoryMaureen H. Tang - Drexel UniversityChristopher Y. Li - Drexel UniversityYossef A. Elabd - Texas A&M University
- Publication Details
- Polymer (Guilford), v 101(C), pp 311-318
- Publisher
- Elsevier
- Number of pages
- 8
- Grant note
- W911NF-14-0310 / U.S. Army Research Office ORISE1120-1120-99 / Postgraduate Research Participation Program at the US Army Research Laboratory
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; Chemical and Biological Engineering
- Web of Science ID
- WOS:000384784800034
- Scopus ID
- 2-s2.0-84985972829
- Other Identifier
- 991019168305704721
InCites Highlights
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Polymer Science