Articles with "nickel cobalt" as a keyword



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A Dendritic Nickel Cobalt Sulfide Nanostructure for Alkaline Battery Electrodes

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Published in 2018 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201705937

Abstract: A uniform dendritic NiCo 2 S 4 at NiCo 2 S 4 hierarchical nanostructure of width ≈100 nm is successfully designed and synthesized. From kinetic analysis of the electrochemical reactions, those electrodes function in rechargeable… read more here.

Keywords: sulfide nanostructure; nickel cobalt; cobalt sulfide; alkaline ... See more keywords
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Synthesis and biological evaluation of salophen nickel(II) and cobalt(III) complexes as potential anticancer compounds

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Published in 2023 at "Archiv der Pharmazie"

DOI: 10.1002/ardp.202200655

Abstract: Recent in vitro investigations of N,N′‐bis(salicylidene)‐1,2‐phenylenediamine (SAP) iron(III) complexes substituted with alkyl (ethyl, propyl, butyl) carboxylates at position 4 in tumor and leukemia cells revealed strong cytotoxic activity. In continuation of this study, analogous nickel(II)… read more here.

Keywords: iii; nickel cobalt; iii complexes; cobalt iii ... See more keywords
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The Effect of Heteroatom Doping on Nickel Cobalt Oxide Electrocatalysts for Oxygen Evolution and Reduction Reactions.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000436

Abstract: The synthesis of nickel cobalt oxide materials and their electrocatalytic performance toward the oxygen reduction and evolution reactions are reported. Nickel cobalt oxides were synthesized in a sol-gel process with different precursors, namely nitrate, sulfate,… read more here.

Keywords: reduction; cobalt; cobalt oxide; nickel cobalt ... See more keywords
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Boosting the Cycling Stability of Aqueous Flexible Zn Batteries via F Doping in Nickel-Cobalt Carbonate Hydroxide Cathode.

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Published in 2020 at "Small"

DOI: 10.1002/smll.202001935

Abstract: Cathodes of rechargeable Zn batteries typically face the issues of irreversible phase transformation, structure collapse, and volume expansion during repeated charge/discharge cycles, which result in an increased transfer resistance and poor long-term cycling stability. Herein,… read more here.

Keywords: cobalt carbonate; nickel cobalt; cycling stability; cathode ... See more keywords
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Optimization of nickel and cobalt biosorption by native Serratia marcescens strains isolated from serpentine deposits using response surface methodology

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Published in 2022 at "Environmental Monitoring and Assessment"

DOI: 10.1007/s10661-022-09816-w

Abstract: The treatment of metal-polluted wastes is a challenging issue of environmental concern. Metals can be removed using microbial biomass, and this is an interesting approach towards the design of eco-friendly technologies for liquid waste treatment.… read more here.

Keywords: methodology; marcescens strains; cobalt biosorption; nickel cobalt ... See more keywords
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Local degradation pathways in lithium-rich manganese–nickel–cobalt oxide epitaxial thin films

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Published in 2017 at "Journal of Materials Science"

DOI: 10.1007/s10853-017-1593-5

Abstract: The electrochemical performance and microstructure of positive electrodes are intimately linked. As such, developing batteries resistance to capacity and voltage fade requires understanding these underlying structure–property relationships and their evolution with operation. Epitaxial films of… read more here.

Keywords: degradation; cobalt oxide; nickel cobalt; manganese nickel ... See more keywords
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Facile synthesis of hierarchical nickel–cobalt sulfide quadrangular microtubes and its application in hybrid supercapacitors

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-7750-4

Abstract: Transition metal sulfides have received increasing attention as promising battery-type electrode materials in hybrid supercapacitors (HSCs). Here, nickel cobalt sulfides (NCS) with three dimensional non spherical hollow structures are successfully synthesized via a facile two-step… read more here.

Keywords: hybrid supercapacitors; nickel cobalt; facile synthesis; synthesis hierarchical ... See more keywords
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Nickel-Cobalt-Sulfide Prepared by One-Step Electrodeposition on Expanded Graphite for High-Performance Supercapacitors

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Published in 2020 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-020-08272-x

Abstract: Supercapacitors can supply power for vehicles alone or by combination with lithium ion batteries or fuel cells due to their high power density. Here, an electrodeposition method was applied to obtain nickel-cobalt-sulfide (Ni-Co-S) nanoparticles in… read more here.

Keywords: expanded graphite; nickel cobalt; microscopy; electrodeposition ... See more keywords
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Nickel cobalt phosphide with three-dimensional nanostructure as a highly efficient electrocatalyst for hydrogen evolution reaction in both acidic and alkaline electrolytes

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Published in 2018 at "Nano Research"

DOI: 10.1007/s12274-018-2226-2

Abstract: AbstractTransition metal phosphides (TMPs) are promising candidates for noble metal free electrocatalysts in water splitting applications. In this work, we present the facile synthesis of nickel cobalt phosphide electrocatalyst with three-dimensional nanostructure (3D-NiCoP) on the… read more here.

Keywords: three dimensional; electrocatalyst; dimensional nanostructure; nickel cobalt ... See more keywords
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Bimetallic Nickel Cobalt Sulfide as Efficient Electrocatalyst for Zn–Air Battery and Water Splitting

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Published in 2019 at "Nano-Micro Letters"

DOI: 10.1007/s40820-018-0232-2

Abstract: HighlightsBimetallic nickel cobalt sulfide (Ni,Co)S2 nanosheet arrays were demonstrated as a multifunctional catalyst for OER, HER, and ORR.First principle calculations were performed to probe the rate-limiting step, which involves the formation of *OOH from HO−… read more here.

Keywords: water splitting; nickel cobalt; air; cobalt sulfide ... See more keywords

N-doped graphene framework supported nickel cobalt oxide as supercapacitor electrode with enhanced performance

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.04.074

Abstract: Abstract Hierarchical materials are preferred as promising electrodes due to their amply different-leveled pore channels. As one of the green, cost-effective and easy-to-synthesize materials, NiCo2O4 has fallen in the window of interest as a supercapacitor… read more here.

Keywords: graphene framework; nickel cobalt; cobalt oxide; supercapacitor electrode ... See more keywords