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Cited by 356

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High-Modulus, High-Conductivity Nanostructured Polymer Electrolyte Membranes via Polymerization-Induced Phase Separation

Schulze, Morgan W., McIntosh, Lucas D., Hillmyer, Marc A., Lodge, Timothy P.·2014·Nano Letters
DOI 10.1021/nl4034818
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Abstract

The primary challenge in solid-state polymer electrolyte membranes (PEMs) is to enhance properties, such as modulus, toughness, and high temperature stability, without sacrificing ionic conductivity. We report a remarkably facile one-pot synthetic strategy based on polymerization-induced phase separation (PIPS) to generate nanostructured PEMs that exhibit an unprecedented combination of high modulus and ionic conductivity. Simple heating of a poly(ethylene oxide) macromolecular chain transfer agent dissolved in a mixture of ionic liquid, styrene and divinylbenzene, leads to a bicontinuous PEM comprising interpenetrating nanodomains of highly cross-linked polystyrene and poly(ethylene oxide)/ionic liquid. Ionic conductivities higher than the 1 mS/cm benchmark were achieved in samples with an elastic modulus approaching 1 GPa at room temperature. Crucially, these samples are robust solids above 100 °C, where the conductivity is significantly higher. This strategy holds tremendous potential to advance lithium-ion battery technology by enabling the use of lithium metal anodes or to serve as membranes in high-temperature fuel cells.

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Cited by

Metadata

Authors
Schulze, M. W., McIntosh, L. D., Hillmyer, M. A., & Lodge, T. P.
Venue
Nano Letters
Publisher
American Chemical Society (ACS)
Published
2013-12-13
Volume
14
Issue
1
Pages
122-126
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
DOI
10.1021/nl4034818
OpenAlex
W2327642271
Cited by
356
References
1
FWCI
11.18
Type
journal article
Language
en
Open access
closed

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