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
Mesoporous Fe–Ni–Co ternary oxide nanoflake arrays on Ni foam for high-performance supercapacitor applications
TL;DR: In this paper, a 3D mesoporous ternary mixed-metal oxide electrode was synthesized using a simple facile two-step process and the as-prepared supercapacitor electrode showed excellent electrochemical performance, such as a high specific capacitance of 867-F g−1 and excellent cycling stability (92.3% capacitance retention after 10,000 charge-discharge cycles).
82
High electrochemical performance of RuO2–Fe2O3 nanoparticles embedded ordered mesoporous carbon as a supercapacitor electrode material
TL;DR: In this article, the mesoporous structure optimized the electron and proton conducting pathways, leading to the enhanced capacitive performances of the composite materials RuO2 or RuO 2 -Fe 2 O 3 /OMC.
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Flower-like nickel-cobalt hydroxides converted from phosphites for high rate performance hybrid supercapacitor electrode materials
TL;DR: In this paper, a dual-channel structure and tuning of the valence state of Cobalt was proposed to improve the performance of Ni-Co hydroxides for hybrid supercapacitors.
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Charge Storage Capacity of Renewable Biopolymer/Conjugated Polymer Interpenetrating Networks Enhanced by Electroactive Dopants
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Direct spinning of high-performance graphene fiber supercapacitor with a three-ply core-sheath structure
TL;DR: In this paper, the authors demonstrate the facile and direct spinning of three-ply core-sheath graphene fiber supercapacitors with thin and continuous wrinkling gel electrolyte interlayer by a wet spinning approach through coaxial three-channel spinneret.
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Conducting polymers as electrode materials in supercapacitors
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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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