Development of supercapacitor electrodes with high strength via inkjet printing of reduced graphene oxide/ aramid nanofibers membranes

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F24%3A00012491" target="_blank" >RIV/46747885:24410/24:00012491 - isvavai.cz</a>

Result on the web

<a href="https://link.springer.com/article/10.1007/s12221-024-00754-7" target="_blank" >https://link.springer.com/article/10.1007/s12221-024-00754-7</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s12221-024-00754-7" target="_blank" >10.1007/s12221-024-00754-7</a>

Result language

angličtina

Original language name

Development of supercapacitor electrodes with high strength via inkjet printing of reduced graphene oxide/ aramid nanofibers membranes

Original language description

In this study, we initially prepared a high-strength composite film of ANFs/PVDF/PVA. Subsequently, through inkjet printing and in-situ reduction, we successfully coated rGO onto the surface of the composite film. The electrode exhibits outstanding electrochemical performance, high specific capacitance, good energy density, and stable charge/discharge cycles. The results indicate that when the content of ANFs, PVDF, and PVA is 0.1 w/w%, 2 w/w%, and 8 w/w%, respectively, the Young‘s modulus can reach an impressive 760 MPa. The CV curves reveal that the prepared rGO/ANFs/PVDF/PVA belongs to the category of standard double-layer capacitors. Furthermore, even under bending conditions, the CV curves of the fabricated supercapacitor remain nearly consistent, demonstrating excellent flexibility and the ability to operate normally even under relatively harsh conditions. The actual specific capacitance is calculated from charge/discharge curves and reaches up to 120.9 F/g at a current density of 0.1 A/g. After 5000 charge/discharge cycles, the efficiency still maintains stability above 90 %. At an extremely low current density (0.1 A/g), it achieves an energy density of 10.8 Wh/kg. Overall, the prepared SCs possess excellent mechanical strength, flexible and stable electrochemical performance, providing significant advantages for the next generation of miniaturized electronic devices.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20503 - Textiles; including synthetic dyes, colours, fibres (nanoscale materials to be 2.10; biomaterials to be 2.9)

Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Fibers and Polymers

ISSN

1229-9197

e-ISSN

—

Volume of the periodical

25

Issue of the periodical within the volume

11

Country of publishing house

KR - KOREA, REPUBLIC OF

Number of pages

12

Pages from-to

4215-4226

UT code for WoS article

001339304500002

EID of the result in the Scopus database

2-s2.0-85207021513