journal article Jan 16, 2018

High‐Temperature and High‐Energy‐Density Dipolar Glass Polymers Based on Sulfonylated Poly(2,6‐dimethyl‐1,4‐phenylene oxide)

View at Publisher Save 10.1002/anie.201710474
Abstract
AbstractA new class of high‐temperature dipolar polymers based on sulfonylated poly(2,6‐dimethyl‐1,4‐phenylene oxide) (SO2‐PPO) was synthesized by post‐polymer functionalization. Owing to the efficient rotation of highly polar methylsulfonyl side groups below the glass transition temperature (Tg≈220 °C), the dipolar polarization of these SO2‐PPOs was enhanced, and thus the dielectric constant was high. Consequently, the discharge energy density reached up to 22 J cm−3. Owing to its high Tg , the SO2‐PPO25 sample also exhibited a low dielectric loss. For example, the dissipation factor (tan δ) was 0.003, and the discharge efficiency at 800 MV m−1 was 92 %. Therefore, these dipolar glass polymers are promising for high‐temperature, high‐energy‐density, and low‐loss electrical energy storage applications.
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Cited By
162
Nature Nanotechnology
Metrics
162
Citations
35
References
Details
Published
Jan 16, 2018
Vol/Issue
57(6)
Pages
1528-1531
License
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Funding
Division of Materials Research Award: 1708990
Air Force Office of Scientific Research Award: 15RXCOR115
China Scholarship Council
Cite This Article
Zhongbo Zhang, David H. Wang, Morton H. Litt, et al. (2018). High‐Temperature and High‐Energy‐Density Dipolar Glass Polymers Based on Sulfonylated Poly(2,6‐dimethyl‐1,4‐phenylene oxide). Angewandte Chemie International Edition, 57(6), 1528-1531. https://doi.org/10.1002/anie.201710474
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