2D material super capacitors

Devices and methods are described relating to capacitor energy storage devices that are small in size and have a high energy stored to volume ratio. The capacitor devices include 2D material electrodes. The capacitor devices offer very fine granularity with high stacking possibilities which may be u...

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Bibliographic Details
Main Authors Kawa, Jamil, Moroz, Victor
Format Patent
LanguageEnglish
Published 10.12.2019
Subjects
BASIC ELECTRIC ELEMENTS
CALCULATING
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PHYSICS
SEMICONDUCTOR DEVICES
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Summary:Devices and methods are described relating to capacitor energy storage devices that are small in size and have a high energy stored to volume ratio. The capacitor devices include 2D material electrodes. The capacitor devices offer very fine granularity with high stacking possibilities which may be used in super capacitors and capacitor arrays. The devices include interleaved laminations 2D material electrode layers, for example graphene, and dielectric layers, for example Hafnium Oxide. In an embodiment a capacitor device includes 10,000 layers of interleaved graphene separated by 9,999 layers of HfO. Odd layers of the graphene are electrically connected to a first terminal and even layers of graphene are electrically connected to a second terminal of the capacitor device.
Bibliography:Application Number: US201715674231