Sulfonimide-Containing Triblock Copolymers for Improved Conductivity and Mechanical Performance

Chainika Jangu, Alice M. Savage, Zhiyang Zhang, Alison R. Schultz, Louis A. Madsen, Frederick L. Beyer, Timothy Edward Long

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Ion-containing block copolymers continue to attract significant interest as conducting membranes in energy storage devices. Reversible addition-fragmentation chain transfer (RAFT) polymerization enables the synthesis of well-defined ionomeric A-BC-A triblock copolymers, featuring a microphase-separated morphology and a combination of excellent mechanical properties and high ion transport. The soft central "BC" block is composed of poly(4-styrenesulfonyl(trifluoromethylsulfonyl)imide) (poly(Sty-Tf2N)) with -SO2-N--SO2-CF3 anionic groups associated with a mobile lithium cation and low-Tg di(ethylene glycol)methyl ether methacrylate (DEGMEMA) units. External polystyrene A blocks provide mechanical strength with nanoscale morphology even at high ion content. Electrochemical impedance spectroscopy (EIS) and pulse-field-gradient (PFG) NMR spectroscopy have clarified the ion transport properties of these ionomeric A-BC-A triblock copolymers. Results confirmed that well-defined ionomeric A-BC-A triblock copolymers combine improved ion-transport properties with mechanical stability with significant potential for application in energy storage devices.

Original languageEnglish
Pages (from-to)4520-4528
Number of pages9
JournalMacromolecules
Volume48
Issue number13
DOIs
Publication statusPublished - 2015 Jul 14
Externally publishedYes

Fingerprint

Block copolymers
Ions
Transport properties
Energy storage
Imides
Methyl Ethers
Ethylene Glycol
Methacrylates
Mechanical stability
Polystyrenes
Ethylene glycol
Electrochemical impedance spectroscopy
Lithium
Nuclear magnetic resonance spectroscopy
Strength of materials
Cations
Ethers
Positive ions
Polymerization
Membranes

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Jangu, C., Savage, A. M., Zhang, Z., Schultz, A. R., Madsen, L. A., Beyer, F. L., & Long, T. E. (2015). Sulfonimide-Containing Triblock Copolymers for Improved Conductivity and Mechanical Performance. Macromolecules, 48(13), 4520-4528. https://doi.org/10.1021/acs.macromol.5b01009

Sulfonimide-Containing Triblock Copolymers for Improved Conductivity and Mechanical Performance. / Jangu, Chainika; Savage, Alice M.; Zhang, Zhiyang; Schultz, Alison R.; Madsen, Louis A.; Beyer, Frederick L.; Long, Timothy Edward.

In: Macromolecules, Vol. 48, No. 13, 14.07.2015, p. 4520-4528.

Research output: Contribution to journalArticle

Jangu, C, Savage, AM, Zhang, Z, Schultz, AR, Madsen, LA, Beyer, FL & Long, TE 2015, 'Sulfonimide-Containing Triblock Copolymers for Improved Conductivity and Mechanical Performance', Macromolecules, vol. 48, no. 13, pp. 4520-4528. https://doi.org/10.1021/acs.macromol.5b01009
Jangu C, Savage AM, Zhang Z, Schultz AR, Madsen LA, Beyer FL et al. Sulfonimide-Containing Triblock Copolymers for Improved Conductivity and Mechanical Performance. Macromolecules. 2015 Jul 14;48(13):4520-4528. https://doi.org/10.1021/acs.macromol.5b01009
Jangu, Chainika ; Savage, Alice M. ; Zhang, Zhiyang ; Schultz, Alison R. ; Madsen, Louis A. ; Beyer, Frederick L. ; Long, Timothy Edward. / Sulfonimide-Containing Triblock Copolymers for Improved Conductivity and Mechanical Performance. In: Macromolecules. 2015 ; Vol. 48, No. 13. pp. 4520-4528.
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