Articles with "spinel structure" as a keyword



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Octahedral/Tetrahedral Vacancies in Fe3 O4 as K-Storage Sites: A Case of Anti-Spinel Structure Material Serving as High-Performance Anodes for PIBs.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202301606

Abstract: Potassium-ion batteries (PIBs) have attracted more and more attention as viable alternatives to lithium-ion batteries (LIBs) due to the deficiency and uneven distribution of lithium resources. However, it is shown that potassium storage in some… read more here.

Keywords: anodes pibs; spinel structure; storage; anti spinel ... See more keywords
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Effects of Mg Substitution on the Structural and Magnetic Properties of Ni0.2MgxCo0.8−xFe2O4 Nanoparticle Ferrites

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Published in 2019 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-018-4993-0

Abstract: Sol-gel auto-combustion is a method of preparing ferrite by combining combustion with chemical gel. In this study, Ni-Mg-Co ferrite powders are prepared by coprecipitation method, and the nanocrystals of Ni0.2MgxCo0.8−xFe2O4 are successfully synthesized. The structure… read more here.

Keywords: spectroscopy; 2mgxco0 xfe2o4; spinel structure; structure ... See more keywords
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Polycationic bimetallic oxide CoGa2O4 with spinel structure: dominated pseudocapacitance, dual-energy storage mechanism, and Li-ion hybrid supercapacitor application

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Published in 2019 at "Ionics"

DOI: 10.1007/s11581-019-03249-1

Abstract: In this work, the polycationic bimetallic oxide CoGa2O4 with spinel structure was successfully prepared by simple hydrothermal and subsequent calcination methods. Following, half-cell electrochemical test showed that this material presented a hybrid energy storage mechanism,… read more here.

Keywords: oxide coga2o4; energy; polycationic bimetallic; bimetallic oxide ... See more keywords
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Synthesis and microstructure of the (Co,Cr,Fe,Mn,Ni) 3 O 4 high entropy oxide characterized by spinel structure

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Published in 2018 at "Materials Letters"

DOI: 10.1016/j.matlet.2017.12.148

Abstract: Abstract A high-entropy (Co,Cr,Fe,Mn,Ni)3O4 oxide, characterized by the Fd-3m single-phase, spinel structure, was synthesized for the first time. The material was based on the combination of Co, Cr, Fe, Mn and Ni elements, well known… read more here.

Keywords: spinel structure; oxide characterized; high entropy; entropy ... See more keywords
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Novel rare-earth and transition metal-based entropy stabilized oxides with spinel structure

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Published in 2020 at "Scripta Materialia"

DOI: 10.1016/j.scriptamat.2019.12.027

Abstract: Abstract Entropy stabilization was attempted through the addition of 5 different rare earth cations, 5 different transition metal cations and all these 10 cations in the form of three compounds based on NiFe2O4. Equiatomic ratios… read more here.

Keywords: transition metal; rare earth; entropy stabilized; stabilized oxides ... See more keywords
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Spinodal Decomposition in the Mg-Al-Fe-O System.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02843

Abstract: A supersaturated spinel solid solution having a nominal compositional ratio of Mg/Al/Fe = 0.5:1.0:1.5 was prepared using a conventional solid-state reaction at 1573 K in air followed by quenching in ice water. The formula of… read more here.

Keywords: spinodal decomposition; structure compound; spinel structure; structure ... See more keywords
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Normal spinel structure ZnFe2O4/g-C3N4 enhanced catalytic activity for photo-Fenton degradation of methylene blue

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Published in 2019 at "Functional Materials Letters"

DOI: 10.1142/s1793604718501084

Abstract: Heterogeneous photo-Fenton technology has been widely employed to degrade organic dyes in wasterwater. In the present study, a composite consisting of normal spinel structure ZnFe2O4 nanoparticle and two-dimensional sheet of g-C3N4 was facilely synthesized. Different… read more here.

Keywords: normal spinel; structure znfe2o4; c3n4; spinel structure ... See more keywords
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Research Progress of Spinel Structure ZnFe2O4 Anode Materials for Lithium ion Batteries: A Mini-Review

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Published in 2020 at "International Journal of Electrochemical Science"

DOI: 10.20964/2020.12.05

Abstract: Guang Yang, Zhirong He, Yu zhou, Mengyuan Zhao, Yanshng Shen, Hongyuan Zhao 1 Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Institute of Analysis, Guangzhou 510070, China 2 Laboratory for Electrochemistry and… read more here.

Keywords: progress spinel; znfe2o4 anode; structure znfe2o4; anode materials ... See more keywords