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University of California, Los Angeles (UCLA)

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Charge Storage Device Architecture For Increased Energy And Power Density

Name: Bruce Dunn

Name: Sarah Tolbert

Name: Torsten Brezesinski

Name: John Wang

Name: UCLA Office of Intellectual Property & Industry Sponsored Research
Email: ncd@research.ucla.edu
Phone: 310.794.0558

Organization Name	University of California, Los Angeles (UCLA)
Institutional ID Number	21605
Technology Tags or Keywords	chemicals devices electrical nanotechnology process/procedure energy storage pseudocapacitor electrochemical capacitor Storage/Battery
Summary	Electrochemical capacitors are energy storage devices that provide a high-power and lightweight alternative to rechargeable industrial batteries and backup power supplies. Furthermore, the capacitors exhibit high cycling efficiency, fast recharge capability, and reliable cold temperature performance. However, current electrochemical capacitors are limited by their relatively low energy densities.
Technology Benefit	High power density High energy density Long cycle life High charging/discharging rates Light weight
Technology Applications	Uninterrupted power supplies Pulse-based communication system, radar, and laser Hybrid electric automobiles
Technology page URL	http://techtransfer.universityofcalifornia.edu/NCD/21605.html?utm_source=AUTMGTP&utm_medium=webpage&utm_term=ncdid_21605&utm_campaign=TechWebsites
Detailed Technology Description	Researchers at UCLA have developed a method that significantly increases the energy density of electrochemical capacitors. High surface area and facile ion motion is attained through fabricating nano-crystalline films with three-dimensionally interconnected porosity. As a result, the charge capacity is increased, without compromising the high charging/discharging rates of electrochemical capacitors.
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Additional Information	State Of Development Mesoporous nanocrystal-based films have been synthesized and the electrochemical capacitors characterized. Summary Researchers at UCLA have developed an electrochemical capacitor that provides superior energy and power densities through utilizing nanocrystal porous films that provide high surface area and enhanced ionic motion. Related Materials "Templated Nanocrystal-Based Porous TiO2 Films for Next-Generation Electrochemical Capacitors," T. Brezesinski, J. Wang, J. Polleux, B. Dunn, S. H. Tolbert J. American Chemical Society (2009) Additional Technologies by these Inventors Protective Film For Lithium Electrodes Tech ID/UC Case 21605/2009-392-0 Related Cases 2009-392-0

Number:20120026644
Title:--
Link:http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=/netahtml/PTO/srchnum.html&r=1&f=G&l=50&s1="20120026644".PGNR.&OS=DN/20120026644&RS=DN/20120026644
Issued Date:2012-02-02 00:00:00
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