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Summary: Flexible energy storage devices based on
nanocomposite paper
Victor L. Pushparaj*, Manikoth M. Shaijumon*, Ashavani Kumar*, Saravanababu Murugesan
, Lijie Ci*, Robert Vajtai
,
Robert J. Linhardt
, Omkaram Nalamasu*, and Pulickel M. Ajayan*§
Departments of *Materials Science and Engineering and Chemical and Biological Engineering, and Center for Biotechnology and Interdisciplinary Studies,
Rensselaer Nanotechnology Center; Rensselaer Polytechnic Institute, Troy, NY 12180
Communicated by Mildred S. Dresselhaus, Massachusetts Institute of Technology, Cambridge, MA, July 11, 2007 (received for review February 23, 2007)
There is strong recent interest in ultrathin, flexible, safe energy
storage devices to meet the various design and power needs of
modern gadgets. To build such fully flexible and robust electro-
chemical devices, multiple components with specific electrochem-
ical and interfacial properties need to be integrated into single
units. Here we show that these basic components, the electrode,
separator, and electrolyte, can all be integrated into single con-
tiguous nanocomposite units that can serve as building blocks for
a variety of thin mechanically flexible energy storage devices.
Nanoporous cellulose paper embedded with aligned carbon nano-
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