Articles with "iron sulfide" as a keyword



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Promoting Highly Reversible Sodium Storage of Iron Sulfide Hollow Polyhedrons via Cobalt Incorporation and Graphene Wrapping

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Published in 2019 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201901584

Abstract: Sodium ion batteries (SIBs) have drawn significant attention owing to their low cost and inherent safety. However, the absence of suitable anode materials with high rate capability and long cycling stability is the major challenge… read more here.

Keywords: iron sulfide; rate; rate capability; graphene wrapping ... See more keywords
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Enhanced sodium storage performance of silk fibroin‐derived hollow iron sulfide with potential window control

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Published in 2020 at "International Journal of Energy Research"

DOI: 10.1002/er.6091

Abstract: In this study, we developed iron sulfide (Fe7S8) hollow mesocrystals (HMs) for sodium‐ion battery application using silk fibroin‐derived iron oxide (Fe2O3) via a simple sulfidation process. The Fe7S8 HM electrodes exhibited a high specific capacity… read more here.

Keywords: window; fibroin derived; iron sulfide; silk fibroin ... See more keywords
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Oxidation-Reduction Processes on Armco Iron in Sulfide-Containing Alkaline Media

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Published in 2017 at "Materials Science"

DOI: 10.1007/s11003-017-0003-0

Abstract: The oxidation-reduction reactions running on glass-graphite and Armco iron in sulfide and alkaline solutions are studied by the method of cyclic voltammetry. It is shown that, in the case of hydrogenation of the electrode, the… read more here.

Keywords: iron; oxidation reduction; armco iron; iron sulfide ... See more keywords
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ToF-SIMS analysis of abiotic and biotic iron sulfide layers formed in aqueous conditions on iron surfaces

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.04.154

Abstract: Abstract An approach for the identification of the origin of iron sulfides formation on iron surfaces using Time-of-Flight Secondary Ions Mass Spectrometry (ToF-SIMS) is reported here in. Two different sulfidation processes of iron surfaces are… read more here.

Keywords: iron surfaces; iron sulfide; sulfide layers; layers formed ... See more keywords
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Authigenic metastable iron sulfide minerals preserve microbial organic carbon in anoxic environments

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Published in 2019 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2019.119343

Abstract: Abstract The burial of organic carbon (OC) in sedimentary environments promotes long-term carbon sequestration, which allows the release of oxygen in the atmosphere. Organo-mineral interactions that form between terrigenous minerals and OC during transport to… read more here.

Keywords: metastable iron; microscopy; iron sulfide; sulfide minerals ... See more keywords
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Remediation of hexavalent chromium spiked soil by using synthesized iron sulfide particles.

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Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2016.11.060

Abstract: Carboxymethyl cellulose (CMC) stabilized microscale iron sulfide (FeS) particles were synthesized and applied to remediate hexavalent chromium (Cr(VI)) spiked soil. The effects of parameters including dosage of FeS particles, soil moisture, and natural organic matter… read more here.

Keywords: fes particles; soil; iron sulfide; remediation ... See more keywords
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Interaction of Sb(III) with iron sulfide under anoxic conditions: Similarities and differences compared to As(III) interactions.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.12.133

Abstract: This study examined the reaction mechanism of arsenite, As(III), and antimonite, Sb(III), with iron sulfide and compared their pH-dependent reaction behaviors under strictly anoxic environments. The comparison of Sb(III) with As(III), based on their chemical… read more here.

Keywords: iii; iii iron; sulfide; iron sulfide ... See more keywords
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The reaction of amorphous iron sulfide with Mo(VI) under different pH conditions.

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.128946

Abstract: Iron sulfide (FeS) is an important scavenger for hexavalent molybdate (Mo(VI)) in an anoxic environment; it plays a crucial role in the mobilization and transformation of Mo(VI), although the underlying reaction mechanisms between Mo(VI) and… read more here.

Keywords: reaction amorphous; iron sulfide; reaction kinetics; reaction ... See more keywords
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Protection of Danio rerio from cadmium (Cd2+) toxicity using biological iron sulfide composites.

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Published in 2018 at "Ecotoxicology and environmental safety"

DOI: 10.1016/j.ecoenv.2018.05.085

Abstract: Cadmium (Cd2+) pollution has become a global environmental problem. This study is the first to demonstrate the feasibility and effects of applying biological iron sulfide composites (BISC) for the protection of Cd2+ exposed fish, aiming… read more here.

Keywords: rerio; iron sulfide; cd2; cadmium cd2 ... See more keywords
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pH-dependence on HER electrocatalytic activity of iron sulfide pyrite nanoparticles

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Published in 2018 at "Electrochemistry Communications"

DOI: 10.1016/j.elecom.2018.04.019

Abstract: Abstract Iron sulfide pyrite (FeS2) nanoparticles are investigated for the electrocatalysis of hydrogen evolution reaction (HER) at pH values ranging from 0.3 to 13. It is evidenced that HER can be performed at any pH,… read more here.

Keywords: iron sulfide; sulfide pyrite; pyrite nanoparticles; pyrite ... See more keywords
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In situ prepared algae-supported iron sulfide to remove hexavalent chromium.

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Published in 2020 at "Environmental pollution"

DOI: 10.1016/j.envpol.2020.115831

Abstract: The effects of algae on the removal of contaminant by iron sulfide (FeS) are still unknown. Chlorella vulgaris (CV), a remarkable algal specie, was used to prepare the CV-supported FeS (CV-FeS) and to investigate the… read more here.

Keywords: iron sulfide; fes; hexavalent chromium;