Mesoporous nanocrystalline film architecture for capacitive storage devices

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United States of America Patent

PATENT NO 10056199
APP PUB NO 20180005770A1
SERIAL NO

15481120

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Abstract

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A mesoporous, nanocrystalline, metal oxide construct particularly suited for capacitive energy storage that has an architecture with short diffusion path lengths and large surface areas and a method for production are provided. Energy density is substantially increased without compromising the capacitive charge storage kinetics and electrode demonstrates long term cycling stability. Charge storage devices with electrodes using the construct can use three different charge storage mechanisms immersed in an electrolyte: (1) cations can be stored in a thin double layer at the electrode/electrolyte interface (non-faradaic mechanism); (2) cations can interact with the bulk of an electroactive material which then undergoes a redox reaction or phase change, as in conventional batteries (faradaic mechanism); or (3) cations can electrochemically adsorb onto the surface of a material through charge transfer processes (faradaic mechanism).

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THE REGENTS OF THE UNIVERSITY OF CALIFORNIA1111 FRANKLIN STREET 12TH FLOOR OAKLAND CA 94607

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brezesinski, Torsten Karlsruhe, DE 15 33
Dunn, Bruce S Los Angeles, US 26 220
Gruner, George Los Angeles, US 59 2398
Tolbert, Sarah H Los Angeles, US 24 352
Wang, John Glendora, US 154 2741

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