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    Lithium storage mechanisms in purpurin based organic lithium ion battery electrodes

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    Author
    Reddy, Arava Leela Mohana
    Nagarajan, Subbiah
    Chumyim, Porramate
    Gowda, Sanketh R.
    Pradhan, Padmanava
    Jadhav, Swapnil R.
    Dubey, Madan
    John, George
    Ajayan, Pulickel M.
    Date
    2012
    Citation
    Reddy, Arava Leela Mohana, Nagarajan, Subbiah, Chumyim, Porramate, et al.. "Lithium storage mechanisms in purpurin based organic lithium ion battery electrodes." Scientific Reports, (2012) 960. http://dx.doi.org/10.1038/srep00960.
    Published Version
    http://dx.doi.org/10.1038/srep00960
    Abstract
    Current lithium batteries operate on inorganic insertion compounds to power a diverse range of applications, but recently there is a surging demand to develop environmentally friendly green electrode materials. To develop sustainable and eco-friendly lithium ion batteries, we report reversible lithium ion storage properties of a naturally occurring and abundant organic compound purpurin, which is non-toxic and derived from the plant madder. The carbonyl/hydroxyl groups present in purpurin molecules act as redox centers and reacts electrochemically with Li-ions during the charge/discharge process. The mechanism of lithiation of purpurin is fully elucidated using NMR, UV and FTIR spectral studies. The formation of the most favored six membered binding core of lithium ion with carbonyl groups of purpurin and hydroxyl groups at C-1 and C-4 positions respectively facilitated lithiation process, whereas hydroxyl group at C-2 position remains unaltered.
    Type
    Journal article
    Citable link to this page
    http://hdl.handle.net/1911/71771
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    • Faculty Publications [2827]
    • Mechanical Engineering Publications [68]

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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892