Preparation and Electrochemical Performance of V2O5/Flake Graphite Material for Aqueous Zinc-Ion Battery

Aqueous zinc batteries with low cost and inherent safety are considered to be the most promising energy storage devices. V 2 O 5 /Flake graphite material have been successfully synthesized via high-temperature magnetic stirring and sintering method. V 2 O 5 /Flake graphite material were characterize...

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Veröffentlicht in:Russian journal of electrochemistry 2023-03, Vol.59 (3), p.241-247
Hauptverfasser: Jiahao Lei, Xiang, Kaixiong, Hu, Jun, Long, Lan, Hu, Can
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container_issue 3
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container_title Russian journal of electrochemistry
container_volume 59
creator Jiahao Lei
Xiang, Kaixiong
Hu, Jun
Long, Lan
Hu, Can
description Aqueous zinc batteries with low cost and inherent safety are considered to be the most promising energy storage devices. V 2 O 5 /Flake graphite material have been successfully synthesized via high-temperature magnetic stirring and sintering method. V 2 O 5 /Flake graphite material were characterized by X-ray diffraction, FESEM, XPS and TGA. The addition of flake graphite not only improves the conductivity of the cathode material, provides more active sites for the Zn 2+ insertion/extraction process, but also has a certain isolation effect, avoiding the direct contact between the electrolyte and the V 2 O 5 to cause dissolution. VC51 delivers a high discharge capacity of 328.1 mA h g –1 at 0.1 A g –1 , good capacity retention of 81.4% after 300 cycles, shows good cycling stability.
doi_str_mv 10.1134/S1023193523030072
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subjects Chemistry
Chemistry and Materials Science
Electrochemical analysis
Electrochemistry
Electrode materials
Energy storage
Flakes
Graphite
High temperature
Physical Chemistry
Rechargeable batteries
Vanadium pentoxide
title Preparation and Electrochemical Performance of V2O5/Flake Graphite Material for Aqueous Zinc-Ion Battery
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