Hollow-structured NiCoP nanorods as high-performance electrodes for asymmetric supercapacitors

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dc.contributor.authorLinkov, Vladimir M.
dc.contributor.authorWang, Zining
dc.contributor.authorWang, Hui
dc.date.accessioned2021-01-18T07:44:28Z
dc.date.available2021-01-18T07:44:28Z
dc.date.issued2020
dc.description.abstractOne-dimensional hollow-structured NiCoP nanorods are synthesized via Kirkendall effect resulting from different diffusion rates of Ni and Co ions at 350 °C, using NaH2PO2 as a phosphorization agent. Various techniques were used to study the formation mechanism of hollow NiCoP nanorods which structure and crystallinity could be effectively tuned by adjusting phosphorization time. Capacitance of NiCoP reaches 273.4 μAh cm−2 at a current density of 30 mA cm−2 with a rate retention of 85.6%. Specific capacitance of an asymmetric supercapacitor cell (ASC) where NiCoP sample was used together with activated carbon reached 264.6 μAh cm−2 at 2 mA cm−2 and decreased to 213.2 μAh cm−2 with current density rising to 30 mA cm−2. The ASC possesses quite high energy- and power densities, compared to previously reported results, which demonstrates applicability of hollow NiCoP nanorods for electrochemical energy storage.en_US
dc.identifier.citationLinkov, V. M. et al. (2020). Hollow-structured NiCoP nanorods as high-performance electrodes for asymmetric supercapacitors. Materials and Design ,193,108807.en_US
dc.identifier.issn1873-4197
dc.identifier.uri10.1016/j.matdes.2020.108807
dc.identifier.urihttp://hdl.handle.net/10566/5656
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectEnergy storageen_US
dc.subjectHollow structureen_US
dc.subjectKirkendall effecten_US
dc.subjectNiCoPen_US
dc.subjectOne-dimensionalen_US
dc.titleHollow-structured NiCoP nanorods as high-performance electrodes for asymmetric supercapacitorsen_US
dc.typeArticleen_US

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