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Highly hydrophilic electrodeposited NiS/Ni3S2 interlaced nanosheets with surface-enriched Ni3+sites as binder-free flexible cathodes for high-rate hybrid supercapacitors

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F22%3A43924167" target="_blank" >RIV/60461373:22310/22:43924167 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0169433221029652" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0169433221029652</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.apsusc.2021.151923" target="_blank" >10.1016/j.apsusc.2021.151923</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Highly hydrophilic electrodeposited NiS/Ni3S2 interlaced nanosheets with surface-enriched Ni3+sites as binder-free flexible cathodes for high-rate hybrid supercapacitors

  • Original language description

    In this study, nanostructured nickel sulfides (NiS, Ni3S2 and NiS/Ni3S2) were fabricated directly on the surface of flexible carbon fiber cloths by simply modifying the deposition parameters of pulse-reversal (PR) electrodeposition method and utilized as binder-free flexible electrodes for aqueous hybrid supercapacitors (SCs). X-ray photoelectron spectroscopy and contact angle measurement studies verifies that the surface of heterostructure NiS/Ni3S2 electrode has enriched Ni3+ sites and highly hydrophilic nature. Consequently, the heterostructure NiS/Ni3S2 electrode demonstrated superior rate capability than that of both single phase NiS and Ni3S2 electrodes. Additionally, the hybrid SC device based on the flexible NiS/Ni3S2 electrode delivered a capacity of 40.4 mAh g-1 at a current density of 2 A g-1 and representing a maximum energy density of 32.3 Wh kg- 1 at an impressive power density of 1.6 kW kg- 1. Furthermore, the device provided excellent electrochemical stability with a capacity retention of 86.2%, even after a 120-h floating test. Hence, the heterostructure NiS/Ni3S2 with interlaced nanosheets morphology should be considered as promising binder-free flexible electrode materials for next-generation energy storage applications.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10402 - Inorganic and nuclear chemistry

Result continuities

  • Project

    <a href="/en/project/GC20-16124J" target="_blank" >GC20-16124J: Two-dimensional layered transition metal dichalcogenides/ nanostructured carbons composites for electrochemical energy storage and conversion</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Applied Surface Science

  • ISSN

    0169-4332

  • e-ISSN

    1873-5584

  • Volume of the periodical

    579

  • Issue of the periodical within the volume

    30 March 2022

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

    nestrankovano

  • UT code for WoS article

    000736686300004

  • EID of the result in the Scopus database

    2-s2.0-85120935171