KAUST Grant NumberKUS-I1-001-12
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AbstractThere is a strong interest in thin, flexible energy storage devices to meet modern society needs for applications such as interactive packaging, radio frequency sensing, and consumer products. In this article, we report a new structure of thin, flexible Li-ion batteries using paper as separators and free-standing carbon nanotube thin films as both current collectors. The current collectors and Li-ion battery materials are integrated onto a single sheet of paper through a lamination process. The paper functions as both a mechanical substrate and separator membrane with lower impedance than commercial separators. The CNT film functions as a current collector for both the anode and the cathode with a low sheet resistance (∼5 Ohm/sq), lightweight (∼0.2 mg/cm2), and excellent flexibility. After packaging, the rechargeable Li-ion paper battery, despite being thin (∼300 μm), exhibits robust mechanical flexibility (capable of bending down to <6 mm) and a high energy density (108 mWh/g). © 2010 American Chemical Society.
CitationHu L, Wu H, La Mantia F, Yang Y, Cui Y (2010) Thin, Flexible Secondary Li-Ion Paper Batteries. ACS Nano 4: 5843–5848. Available: http://dx.doi.org/10.1021/nn1018158.
SponsorsY.C., L.H., H.W., and F.L.M. acknowledge support from the King Abdullah University of Science and Technology (KAUST) Investigator Award (No. KUS-I1-001-12). Karim Zaghib from Hydro-Quebec is gratefully acknowledged for the generous supply of the LTO electrode materials. Y.Y. acknowledges financial support from a Stanford Fellowship.
PublisherAmerican Chemical Society (ACS)
CollectionsPublications Acknowledging KAUST Support
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- Reduced Graphene Oxide Films with Ultrahigh Conductivity as Li-Ion Battery Current Collectors.
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- Flexible graphene-based lithium ion batteries with ultrafast charge and discharge rates.
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