Metal-polymer capacitor comprising a dielectric film with high dielectric constant and strong breakdown field
AssigneeCommissariat A L'energie Atomique Et Aux Energies Alternatives
InventorBernard VIALA
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Abstract
Metal-polymer capacitor comprising a dielectric film disposed between a first electrode and a second electrode, characterised in that the dielectric film comprises: core/shell structure nanoparticles, the core of the nanoparticles being metallic and the shell comprising a first layer made of an inorganic carbonaceous material and a second layer made of a first polymer material, the nanoparticles having a narrow size distribution, a matrix wherein the nanoparticles are dispersed, the matrix being a mineral matrix or a matrix made of a second polymer material.
Claims20
Metal-polymer capacitor comprising a dielectric film disposed between a first electrode and a second electrode, wherein the dielectric film comprises:
- core-shell structure nanoparticles, the core of the nanoparticles being metallic and the shell comprising a first layer made of an inorganic carbonaceous material and a second layer made of a first polymer material, the ratio between the maximum diameter of the nanoparticles and the minimum diameter of the nanoparticles being less than or equal to 5, preferably less than or equal to 3,
- a matrix wherein the nanoparticles are dispersed, the matrix being a mineral matrix or a matrix made of a second polymer material,
- the volume percentage of nanoparticles in the dielectric film ranging from 0.01% to 10%.
Dependencies are inferred from the claim text.