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Issue 5, 2016
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Cut-and-stack nanofiber paper toward fast transient energy storage

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Transient technology allows a device to disappear upon application of an external trigger. The difference between a transient energy storage device and conventional one is this ability to vanish to human eyes when needed. For the first time, a symmetric vanadium oxide (V2O5) microbattery with transient energy storage capabilities was designed and developed in this work. A V2O5 nanofiber paper, lithiated V2O5 nanofiber paper, and an electrospun polyvinylpyrrolidone (PVP) nanofiber paper were used as the positive electrode, negative electrode, and the porous membrane, respectively. All these components are electrochemically stable in the organic electrolyte battery devices, but are chemically dissoluble in alkaline, once triggered. These paper structures have small diffusion distances, resulting in good transient capability. The nanostructures also enable high-rate discharge, which is essential for transient electronic systems. Miniature battery arrays using the paper-like electrodes and separator were produced through a simple cut-and-stack process, which then can be wire-bonded to systems with radio-frequency identification (RFID) technologies.

Graphical abstract: Cut-and-stack nanofiber paper toward fast transient energy storage

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Publication details

The article was received on 13 Dec 2015, accepted on 09 Feb 2016 and first published on 17 Feb 2016

Article type: Research Article
DOI: 10.1039/C5QI00288E
Citation: Inorg. Chem. Front., 2016,3, 681-688

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    Cut-and-stack nanofiber paper toward fast transient energy storage

    Z. Liu, K. Fu, Z. Wang, Y. Zhu, J. Wan, Y. Yao, J. Dai, M. Kim, L. Swafford, C. Wang and L. Hu, Inorg. Chem. Front., 2016, 3, 681
    DOI: 10.1039/C5QI00288E

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