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Energy storage properties of all-organic polymers with hydrogen-bonded cross-links
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DOI：10.1007/s00289-026-06634-9.png)
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Abstract
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Research has found that GLC is rich in hydroxyl groups, which form intermolecular hydrogen bonds with the PVDF molecular chain, reducing the size of polymer crystallites. The formation of a hydrogen-bonded physical crosslinking network can serve as a trapping site for charge carriers, thereby suppressing conduction losses. Amorphous polymer PMMA exhibits low loss and high breakdown characteristics, further enhancing the performance of composite materials. In this experiment, PMMA/GLC/PVDF all-organic composite films were prepared using a simple casting method. Through ternary composite synergistic effects, the PMMA/GLC/PVDF all-organic composite film achieved a maximum breakdown value of 669 MV/m and a maximum energy storage density of 8.03 J/cm³, representing 1.5 times that of 3 wt% GLC/PVDF composites and twice that of PVDF. Compared to PVDF monomers, it represents a significant improvement.
Keywords:
Nanodielectrics
All-organic materials
Energy storage density
Dielectric properties
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8.5K
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1.5W
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