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Bridged Carbon Fabric Membrane with Boosted Performance in AC Line-Filtering Capacitors
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).ORCID iD: 0000-0003-3582-6075
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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Number of Authors: 92022 (English)In: Advanced Science, E-ISSN 2198-3844, Vol. 9, no 7, article id 2105072Article in journal (Refereed) Published
Abstract [en]

High-frequency responsive capacitors with lightweight, flexibility, and miniaturization are among the most vital circuit components because they can be readily incorporated into various portable devices to smooth out the ripples for circuits. Electrode materials no doubt are at the heart of such devices. Despite tremendous efforts and recent advances, the development of flexible and scalable high-frequency responsive capacitor electrodes with superior performance remains a great challenge. Herein, a straightforward and technologically relevant method is reported to manufacture a carbon fabric membrane “glued” by nitrogen-doped nanoporous carbons produced through a polyelectrolyte complexation-induced phase separation strategy. The as-obtained flexible carbon fabric bearing a unique hierarchical porous structure, and high conductivity as well as robust mechanical properties, serves as the free-standing electrode materials of electrochemical capacitors. It delivers an ultrahigh specific areal capacitance of 2632 µF cm−2 at 120 Hz with an excellent alternating current line filtering performance, fairly higher than the state-of-the-art commercial ones. Together, this system offers the potential electrode material to be scaled up for AC line-filtering capacitors at industrial levels. 

Place, publisher, year, edition, pages
2022. Vol. 9, no 7, article id 2105072
Keywords [en]
alternating current line filtering, phase angle, poly(ionic liquid), porous carbon membrane
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-201831DOI: 10.1002/advs.202105072ISI: 000744694800001PubMedID: 35060354Scopus ID: 2-s2.0-85123168721OAI: oai:DiVA.org:su-201831DiVA, id: diva2:1635951
Available from: 2022-02-08 Created: 2022-02-08 Last updated: 2022-05-11Bibliographically approved

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Zhang, MiaoSaeedi Garakani, SadafKhorsand Kheirabad, AtefehYuan, Jiayin

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Zhang, MiaoSaeedi Garakani, SadafKhorsand Kheirabad, AtefehYuan, Jiayin
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