Journal Article10.1126/SCIENCE.1158736
Electrochemical Capacitors for Energy Management
John R. Miller,Patrice Simon +1 more
TL;DR: Electrochemical capacitors enable rapid storage and efficient delivery of electrical energy in heavy-duty applications and are being enabled by electrochemical capacitor technology.
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Abstract: Rapid storage and efficient delivery of electrical energy in heavy-duty applications are being enabled by electrochemical capacitors.
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Citations
Construction of Core-Shell NiMoO4@Ni-Co-S Nanorods as Advanced Electrodes for High-Performance Asymmetric Supercapacitors
TL;DR: There is great potential for the electrode composed of the core-shell NiMoO4@Ni-Co-S nanorods for use in an all-solid-state asymmetric supercapacitor device.
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Microwave Assisted Synthesis of Porous NiCo2O4 Microspheres: Application as High Performance Asymmetric and Symmetric Supercapacitors with Large Areal Capacitance.
TL;DR: The facile strategy is successfully demonstrated to fabricate aqueous-based asymmetric & symmetric supercapacitor devices of porous NiCo2O4 microspheres with high mass loading of electroactive materials, indicating that NiCo 2O4 can also be used as the negative electrode material for futuristic asymmetric devices.
Large scale production of biomass-derived nitrogen-doped porous carbon materials for supercapacitors
TL;DR: In this paper, a facile approach to synthesize nitrogen-doped porous carbon materials via a two-step fabrication process using the stem bark of broussonetia papyrifera (BP) as the biomass precursor is presented.
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Thin-Film Electrode-Based Supercapacitors
Minghao Yu,Xinliang Feng +1 more
TL;DR: In this paper, the authors summarized the active materials and electrolytes used for thin-film electrodes (TFEs) and analyzed various electrode processing approaches with particular emphasis on electrochemical behavior, and discussed exciting opportunities in exploring new materials; constructing hybrid SCs; and producing low-cost, large-scale, and eco-friendly TFEs for SCs.
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Spinning fabrication of graphene/polypyrrole composite fibers for all-solid-state, flexible fibriform supercapacitors
TL;DR: In this article, a facile and straightforward approach for the continuous fabrication of graphene/polypyrrole (G/PPy) composite fibers via a wet-spinning strategy was developed.
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Use of KCl Aqueous Electrolyte for 2 V Manganese Oxide/Activated Carbon Hybrid Capacitor
TL;DR: In this paper, a hybrid capacitor in neutral KCl aqueous electrolyte, which consists of amorphous manganese oxide (a-MnO 2.nH 2 O) as a cathode and activated carbon as an anode, was reported.
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Cycling stability of a hybrid activated carbon//poly(3-methylthiophene) supercapacitor with N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid as electrolyte
Andrea Balducci,Wesley A. Henderson,Marina Mastragostino,Stefano Passerini,Patrice Simon,Francesca Soavi +5 more
TL;DR: In this article, a solvent-free green electrolyte for high-voltage hybrid supercapacitors was developed, and the cyclability of a laboratory scale cell with electrode mass loading sized for practical uses was tested at 60°C over 16,000 galvanostatic charge-discharge cycles at 10 µm −2 in the 1.5 and 3.6 µm voltage range.
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Mathematical Model of Heterogeneous Electrochemical Capacitors and Calculation of Their Parameters
TL;DR: In this article, a mathematical model of heterogeneous electrochemical supercapacitors (HES) is proposed which makes it possible to develop capacitors with optimal designs and make calculations of their energy, capacity, and power parameters.
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