Journal ArticleDOI
Capacitive energy storage in micro-scale devices: recent advances in design and fabrication of micro-supercapacitors
Majid Beidaghi,Yury Gogotsi +1 more
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TLDR
In this article, the authors reviewed the recent advances in fabrication of materials and devices and provided a critical analysis of reported performances of micro-supercapacitors, including intrinsic properties of electrode materials and electrolyte, architectural design of the device and fabrication methods.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.read more
Citations
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The role of graphene for electrochemical energy storage
TL;DR: By critically analysing state-of-the-art technologies, this work aims to address the benefits and issues of graphene-based materials, as well as outline the most promising results and applications so far.
Journal ArticleDOI
Design and Mechanisms of Asymmetric Supercapacitors.
Yuanlong Shao,Maher F. El-Kady,Jingyu Sun,Yaogang Li,Qinghong Zhang,Meifang Zhu,Hongzhi Wang,Bruce Dunn,Richard B. Kaner +8 more
TL;DR: This review looks at the essential energy-storage mechanisms and performance evaluation criteria for asymmetric supercapacitors to understand the wide-ranging research conducted in this area and highlights several key scientific challenges.
Journal ArticleDOI
Supercapacitor electrode materials: nanostructures from 0 to 3 dimensions
TL;DR: In this paper, the effect of nanostructures on the properties of supercapacitors including specific capacitance, rate capability and cycle stability is discussed, which may serve as a guideline for the next generation of super-capacitor electrode design.
Journal ArticleDOI
Laser-induced porous graphene films from commercial polymers
Jian Lin,Zhiwei Peng,Yuanyue Liu,Francisco Ruiz-Zepeda,Ruquan Ye,Errol L. G. Samuel,Miguel Jose Yacaman,Boris I. Yakobson,James M. Tour +8 more
TL;DR: A one-step, scalable approach for producing and patterning porous graphene films with 3-dimensional networks from commercial polymer films using a CO2 infrared laser to provide a rapid route to polymer-written electronic and energy storage devices.
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Metal–organic frameworks and their derived nanostructures for electrochemical energy storage and conversion
TL;DR: In this article, a review of the recent progress in fabricating metal-organic frameworks (MOFs) and MOF-derived nanostructures for electrochemical applications is presented.
References
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Journal ArticleDOI
Wireless sensor networks: a survey
TL;DR: The concept of sensor networks which has been made viable by the convergence of micro-electro-mechanical systems technology, wireless communications and digital electronics is described.
Journal ArticleDOI
Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
Journal ArticleDOI
Carbon-based materials as supercapacitor electrodes
Lili Zhang,Xiu Song Zhao +1 more
TL;DR: This tutorial review provides a brief summary of recent research progress on carbon-based electrode materials forsupercapacitors, as well as the importance of electrolytes in the development of supercapacitor technology.
Journal ArticleDOI
Laser Scribing of High-Performance and Flexible Graphene-Based Electrochemical Capacitors
TL;DR: It is shown that graphite oxide sheets can be converted by infrared laser irradiation into porous graphene sheets that are flexible, robust, and highly conductive, and hold promise for high-power, flexible electronics.
Journal ArticleDOI
Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer
TL;DR: The results challenge the long-held axiom that pores smaller than the size of solvated electrolyte ions are incapable of contributing to charge storage.