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Improved Breakdown Strength and Restrained Leakage Current of Sandwich Structure Ferroelectric Polymers Utilizing Ultra-Thin Al2O3 Nanosheets [PDF]

open access: yesNanomaterials, 2023
Flexible capacity applications demand a large energy storage density and high breakdown electric field strength of flexible films. Here, P(VDF-HFP) with ultra-thin Al2O3 nanosheet composite films were designed and fabricated through an electrospinning ...
Yi Zeng   +4 more
doaj   +2 more sources

Exploration of Breakdown Strength Decrease and Mitigation of Ultrathin Polypropylene. [PDF]

open access: yesPolymers (Basel), 2023
Polypropylene film is the most important organic dielectric in capacitor technology; however, applications such as power electronic devices require more miniaturized capacitors and thinner dielectric films. The commercial biaxially oriented polypropylene film is losing the advantage of its high breakdown strength as it becomes thinner.
Tan DQ   +8 more
europepmc   +3 more sources

Streamer evolution arrest governed amplified AC breakdown strength of graphene and CNT colloids [PDF]

open access: bronze, 2018
The present article experimentally explores the concept of large improving the AC dielectric breakdown strength of insulating mineral oils by the addition of trace amounts of graphene or CNTs to form stable dispersions.
Chattopadhyay, Ankur   +3 more
core   +2 more sources

Effect of Thickness on the Space Charge Behavior and DC Breakdown Strength of Cross-Linked Polyethylene Insulation [PDF]

open access: goldIEEE Access, 2020
In high voltage direct current (HVDC) cable systems, study of electric field distortion created by space charge accumulation is very important for examining insulation performance.
Zhipeng Ma   +4 more
doaj   +2 more sources

Breakdown strength of solid|solid interface [PDF]

open access: green2010 10th IEEE International Conference on Solid Dielectrics, 2010
Interfaces between solids are generally considered weak regions in electrical insulation systems. This is particularly so if the electrical stress is applied parallel to the interface. Important parameters, affecting the breakdown strength, are interface pressure, humidity, presence of liquid dielectric and the surface roughness of the solid in contact.
Seyed Majid Hasheminezhad   +2 more
openalex   +3 more sources

Dielectric Breakdown Strength of Polyethylene Nanocomposites [PDF]

open access: yes, 2011
The term “nanometric dielectrics” or simply “nanodielectrics” was introduced in 1994 when Lewis [1] anticipated the potential property changes that would benefit electrical insulation due to nano-sized inclusion.
Chen, G, Lau, K Y, Vaughan, A S
core   +1 more source

Intrinsic breakdown strength: theoretical derivation and first-principles calculations [PDF]

open access: greenPhysical Review Letters
Intrinsic breakdown strength (F_bd), as the theoretical upper limit of electric field strength that a material can sustain, plays important roles in determining dielectric and safety performance. The well accepted concept is that a larger band gap (E_g) often leads to a larger intrinsic breakdown strength.
Shixu Liu   +3 more
openalex   +4 more sources

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