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Highly hydrophilic ...
Highly hydrophilic electrodeposited NiS/Ni3S2 interlaced nanosheets with surface-enriched Ni3+ sites as binder-free flexible cathodes for high-rate hybrid supercapacitors
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- Hsu, Yu-Kai (författare)
- Department of Chemical Engineering and Biotechnology, Tatung University, No. 40, Sec. 3, Chungshan North Rd., Taipei City 104, Taiwan
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- Mondal, Aniruddha (författare)
- Luleå tekniska universitet,Materialvetenskap,Department of Chemical Engineering and Biotechnology, Tatung University, No. 40, Sec. 3, Chungshan North Rd., Taipei City 104, Taiwan
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- Su, Ying-Zhou (författare)
- Department of Chemical Engineering and Biotechnology, Tatung University, No. 40, Sec. 3, Chungshan North Rd., Taipei City 104, Taiwan
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- Sofer, Zdenek (författare)
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28, Prague 6, Czech Republic
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- Shanmugam Anuratha, Krishnan (författare)
- Department of Chemical and Materials Engineering, Tunghai University, No. 181, Sec. 3, Taichung Port Rd., Taichung City 40704, Taiwan
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- Lin, Jeng-Yu (författare)
- Department of Chemical and Materials Engineering, Tunghai University, No. 181, Sec. 3, Taichung Port Rd., Taichung City 40704, Taiwan
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Department of Chemical Engineering and Biotechnology, Tatung University, No 40, Sec. 3, Chungshan North Rd., Taipei City 104, Taiwan Materialvetenskap (creator_code:org_t)
- Elsevier, 2022
- 2022
- Engelska.
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Ingår i: Applied Surface Science. - : Elsevier. - 0169-4332 .- 1873-5584. ; 579
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Pulse-reversal deposition
- Nickel sulfide
- Binder-free
- Flexible cathode
- Hybrid supercapacitor
- Experimentell fysik
- Experimental Physics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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