Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 10, Issue 30, Pages 10926-10934Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2tc01721k
Keywords
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Funding
- National Natural Science Foundation of China [51725301, 51473005]
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A high-performance ion gel with excellent mechanical strength and other desirable properties was successfully fabricated, which can be produced on a large scale.
A high-performance ion gel composed of poly(ethyl acrylate-co-acrylic acid-co-sodium acrylate) (P(EA-co-AA-co-AANa)) with a high ionic liquid content was successfully fabricated through a simple solution-casting method. It exhibits excellent mechanical strength owing to the various non-covalent interactions between the polymer chains and the entropic elasticity of the highly entangled polymer networks. By adjusting the polymer composition, the ion gel film can achieve a tensile strain exceeding 6000% or a tensile stress exceeding 2.5 MPa. This ion gel also has the advantages of excellent thermal stability, good transparency, high ionic conductivity, and wide electrochemical window. More importantly, the polymer P(EA-co-AA-co-AANa) is easy to synthesize, the monomer is cheap, and the gel preparation is simple, making it possible to realize large-scale production for broad applications in the fields of motion sensors, gel electrolytes, and flexible displays.
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