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Issue 3, 2014
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Capacitive energy storage in micro-scale devices: recent advances in design and fabrication of micro-supercapacitors

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Abstract

Miniaturized energy storage is essential for the continuous development and further miniaturization of electronic devices. Electrochemical capacitors (ECs), also called supercapacitors, are energy storage devices with a high power density, fast charge and discharge rates, and long service life. Small-scale supercapacitors, or micro-supercapacitors, can be integrated with microelectronic devices to work as stand-alone power sources or as efficient energy storage units complementing batteries and energy harvesters, leading to wider use of these devices in many industries. In recent years, the research in this field has rapidly advanced and micro-supercapacitors with improved storage capacity and power density have been developed. The important factors affecting the performance of micro-supercapacitors are the intrinsic properties of electrode materials and electrolyte, architectural design of the device and the fabrication methods. This paper reviews the recent advances in fabrication of materials and devices and provides a critical analysis of reported performances of micro-supercapacitors.

Graphical abstract: Capacitive energy storage in micro-scale devices: recent advances in design and fabrication of micro-supercapacitors

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Publication details

The article was received on 23 Oct 2013, accepted on 23 Dec 2013 and first published on 02 Jan 2014


Article type: Review Article
DOI: 10.1039/C3EE43526A
Citation: Energy Environ. Sci., 2014,7, 867-884
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    Capacitive energy storage in micro-scale devices: recent advances in design and fabrication of micro-supercapacitors

    M. Beidaghi and Y. Gogotsi, Energy Environ. Sci., 2014, 7, 867
    DOI: 10.1039/C3EE43526A

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