Articles with "improving electrochemical" as a keyword



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Improving Electrochemical Stability and Low‐Temperature Performance with Water/Acetonitrile Hybrid Electrolytes

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Published in 2019 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201902654

Abstract: Although the “water‐in‐salt” electrolyte has significantly expanded the electrochemical stability window of aqueous electrolytes from 1.23 to 3 V, its inevitable hydrogen evolution under 1.9 V versus Li+/Li prevents the practical use of many energy‐dense… read more here.

Keywords: improving electrochemical; water; temperature; hybrid electrolyte ... See more keywords
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Improving electrochemical activity of activated carbon derived from popcorn by NiCo2S4 nanoparticle coating

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.09.037

Abstract: Abstract We report a popcorn-derived activated carbon (PCs) from maize grains. Dispersed NiCo2S4 nanoparticles of dozens of nanometers in diameter are anchored onto the PC surface to yield PCs/NiCo2S4 composites. The adhesion of NiCo2S4 nanoparticles… read more here.

Keywords: improving electrochemical; activated carbon; nico2s4 nanoparticles; electrochemical activity ... See more keywords
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Improving the electrochemical property of Li-S batteries by using CoS 2 as substrate materials

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Published in 2018 at "Ceramics International"

DOI: 10.1016/j.ceramint.2018.06.198

Abstract: Abstract Metal sulfide CoS2 is prepared and used as host materials for Li-S batteries. The CoS2 particle could immobilize the polysulfide by catalyzing the redox reactions of soluble polysulfide to insoluble polysulfide. Besides, the employment… read more here.

Keywords: cos substrate; using cos; improving electrochemical; batteries using ... See more keywords
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Improving the electrochemical performance of layered cathode oxide for sodium-ion batteries by optimizing the titanium content.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2019.02.094

Abstract: P2-type transition metal oxides are promising cathode materials for sodium-ion batteries. However, due to irreversible phase transition, these batteries exhibit low capacity and poor cycling stability. In this study, highly dense, spherical P2-type oxides Na0.67[Ni0.167Co0.167Mn0.67]1-xTixO2… read more here.

Keywords: sodium ion; capacity; improving electrochemical; ion batteries ... See more keywords
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Improving the electrochemical response of nanostructured MoO3 electrodes by Co doping: Synthesis and characterization

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Published in 2018 at "Journal of Physics and Chemistry of Solids"

DOI: 10.1016/j.jpcs.2018.05.044

Abstract: Abstract CoxMo1-xO3 (x = 0, 0.03, 0.06, and 0.09) thin films were deposited on indium-doped tin oxide–coated and glass substrates by a sol-gel method. All the samples crystallized in the stable orthorhombic phase as revealed by X-ray… read more here.

Keywords: improving electrochemical; band gaps; electrochemical response; spectroscopy ... See more keywords
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Improving the electrochemical performances of Li-rich Li 1.20 Ni 0.13 Co 0.13 Mn 0.54 O 2 through a cooperative doping of Na + and PO 4 3− with Na 3 PO 4

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Published in 2018 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2017.11.042

Abstract: Abstract Li-rich layered oxide cathodes suffer from poor rate capability, voltage decay and inferior cycling stability. Herein, we propose a novel synergistic strategy to improve the electrochemical performances of Li-rich Li1.20Ni0.13Co0.13Mn0.54O2 by the co-doping of… read more here.

Keywords: doping po43; improving electrochemical; electrochemical performances; spectroscopy ... See more keywords
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Improving the electrochemical performance of solid oxide fuel cells by surface patterning of the electrolyte

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Published in 2021 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2021.230489

Abstract: Abstract The effect of electrolyte surface patterning on the cell performance is investigated. The patterning process is accomplished by isostatically pressing the electrolyte together with a metal mesh placed on one surface of the electrolyte.… read more here.

Keywords: surface patterning; improving electrochemical; electrolyte; performance ... See more keywords